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Persistence and adherence to non-vitamin K antagonist oral anticoagulant treatment in patients with atrial fibrillation across five Western European countries
Komen JJ, Pottegård A, Mantel-Teeuwisse AK, Forslund T, Hjemdahl P, Wettermark B, Hellfritzsch M, Hallas J, Olesen M, Bennie M, Mueller T, Voss A, Schink T, Haug U, Kollhorst B, Karlstad Ø, Kjerpeseth LJ, Klungel OH.
Europace. 2021 Jun 7;euab091.

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Prevalence and quality of antihypertensive therapy among hypertension patients enrolled in the Ghana National Health Insurance Scheme
Donneyong MM, Chang TJ, Pottegård A, Ankrah D, Asenso-Boadi F, Addo-Cobbiah V, Dsane-Selby L, Hallas J.
Pharmacoepidemiol Drug Saf. 2021 May 26.

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Use of hypnotic drugs among children, adolescents and young adults in Scandinavia
Wesselhoeft R, Rasmussen L, Jensen PB, Jennum PJ, Skurtveit S, Harts I, Reutfors J, Damkier P, Bliddal M, Pottegård A.
Acta Psychiatr Scand. 2021 May 22.

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Use of hydrochlorothiazide and risk of skin cancer in a large nested case-control study in Spain
León-Muños LM, Duarte-Salles T, Llorente A, Díaz A, Puente D, Pottegård A, Montero-Corominas D, Huerta C.
Pharmacoepidemiol Drug Saf. 2021 May 20.

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Post-acute effects of SARS-CoV-2 infection in non-hospitalised individuals: a Danish population-based cohort study
Lund LC, Hallas J, Nielsen H, Koch A, Mogensen SH, Brun NC, Christiansen CF, Thomsen RW, Pottegård A.
Lancet Infect Dis. 2021 May 10;S1473-3099(21)00211-5.

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Hydrochlorothiazide and risk of melanoma subtypes
Habel LA, Achacoso N, Fireman B, Pedersen SA, Pottegård A.
Pharmacoepidemiol Drug Saf. 2021 May 7.

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Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca vaccine in Denmark and Norway: Population based cohort study
Pottegård A, Lund LC, Karlstad Ø, Dahl J, Andersen M, Hallas J, Lidegaard Ø, Tapia G, Gulseth HL, Ruiz PL, Habel LA, Watle SV, Mikkelsen AP, Pedersen L, Sørensen HT, Thomsen RW, Hviid A.
BMJ. 2021 May 5;373:n1114.

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Trends in incidence of intracerebral haemorrhage and association with antithrombotic drug use in Denmark, 2005-2018
Hald SM, Möller S, García Rodríguez LA, Salman RA, Sharma M, Christensen H, Hellfritzsch M, Pottegård A, Hallas J, Gaist D.
JAMA Netw Open. 2021 May 3;4(5):e218380.

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Use of non-insulin antidiabetic drugs in children and young adults – A Scandinavian drug utilization study from 2010-2019
Jensen HK, Rasmussen L, Furu K, Karlstad Ø, Linder M, Cesta CE, Pottegård A.
Br J Clin Pharmacol. 2021 Apr 19.

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Multidisciplinary telephone conferences about medication therapy after discharge of older inpatients: A feasibility study
Ravn-Nielsen LV, Burghle AH, Christensen PM, Coric F, Graabæk T, Henriksen JP, Karlsdóttir F, Rosholm JU, Pottegård A.
Int J Clin Pharm. 2021 Apr 13.

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Sodium-glucose cotransporter-2 inhibitors and risk of nephrolithiasis
Kristensen KB, Henriksen DP, Hallas J, Pottegård A, Lund LC.
Diabetologia. 2021 Mar 13.

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End-of-life anticancer treatment – A nationwide registry-based study of trends in the use of chemo-, endocrine, immune-, and targeted therapies
Mattsson TO, Pottegård A, Jørgensen TL, Green A, Bliddal M.
Acta Oncol. 2021 Mar 2:1-7.

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Attitudes towards deprescribing: The perspectives of geriatric patients and nursing home residents
Lundby C, Glans P, Simonsen T, Søndergaard J, Ryg J, Lauridsen HH, Pottegård A.
J Am Geriatr Soc. 2021 Feb 17.

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Association of glycolysis-enhancing alpha-1 blockers and risk of developing Parkinson's disease
Simmering JE, Welsh MJ, Liu L, Narayanan NS, Pottegård A.
JAMA Neurol. 2021 Feb 1:e205157.

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Comparable COVID-19 outcomes with current use of GLP-1 receptor agonists, DPP-4 inhibitors or SGLT-2 inhibitors among patients with diabetes who tested positive for SARS-CoV-2
Israelsen SB, Pottegård A, Sandholdt H, Madsbad S, Thomsen RW, Benfield T.
Diabetes Obes Metab. 2021 Jan 27:10.1111/dom.14329.

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Who prescribes drugs to patients: A Danish register-based study
Pottegård A, Olesen M, Christensen B, Christensen MB, Hallas J, Rasmussen L.
Br J Clin Pharmacol. 2021 Jan 25.

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Bottleneck analysis: Simple prediction of the precision of a planned case-control or cohort study based on healthcare registers
Hallas J, Hansen MR, Pottegård A, Støvring H.
Pharmacoepidemiol Drug Saf. 2021 May;30(5):619-625.

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Use of potent and very potent topical corticosteroids and risk of osteoporosis and major osteoporotic fractures – a Danish nationwide cohort study
Egeberg A, Schwarz P, Harsløf T, Andersen YMF, Pottegård A, Hallas J, Thyssen JP.
JAMA Dermatol. 2021 Mar 1;157(3):275-282.

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Use of angiotensin converting enzyme inhibitors and risk of lung cancer: a nationwide nested case-control study
Kristensen KB, Hicks B, Azoulay L, Pottegård A.
Circ Cardiovasc Qual Outcomes. 2021 Jan;14(1)e006687.

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Venous thromboembolism and major bleeding in patients with COVID-19: A nationwide population-based cohort study
Dalager-Pedersen M, Lund LC, Mariager T, Winther R, Hellfrtizsch M, Larsen TB, Thomsen RW, Johansen NB, Søgaard OS, Nielsen SL, Omland L, Lundbo LF, Israelsen SB, Harbo ZB, Pottegård A, Nielsen H, Bodilsen J.
Clin Infect Dis. 2021 Jan 5.

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Congenital malformations in Denmark: Considerations for the use of Danish health care registries
Broe A, Damkier P, Pottegård A, Hallas J, Bliddal M.
Clin Epidemiol. 2020 Dec 15;12:1371-1380.

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SARS-CoV-2 infection and adverse outcomes in users of angiotensin-converting enzyme inhibitors and angiotensin-receptor blockers: a nationwide case-control and cohort analysis
Christiansen CF, Pottegård A, Heide-Jørgensen U, Bodilsen J, Søgaard O, Mæng M, Vistisen S, Schmidt M, Lund LC, Reilev M, Hallas J, Voldstedlund M, Husby A, Thomsen M, Johansen NB, Brun NC, Thomsen RW, Bøtker H, Sørensen HT.
Thorax. 2020 Dec 8.

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Translation, cross-cultural adaptation, and validation of Danish version of the revised Patients’ Attitudes Towards Deprescribing (rPATD) questionnaire: Version for older people with limited life expectancy
Lundby C, Simonsen T, Ryg J, Søndergaard J, Pottegård A, Lauridsen HH.
Res Social Adm Pharm. 2020 Nov 4.

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Metabolic Events Associated with Use of Antipsychotics in Children, Adolescents and Young Adults
Man KKC, Shao SC, Chaiyakunapruk N, Dilokthornsakul P, Kubota K, Lu J, Ooba N, Pratt N, Pottegård A, Rasmussen L, Roughead EE, Shin JY, Su CC, Wong ICK, Yang YHK, Lai ECC.
Eur Child Adolesc Psychiatry. 2020 Nov 13.

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Use of dipeptidyl peptidase 4 inhibitors and risk of splanchnic vein thrombosis: A Danish nationwide new user active comparator cohort study
Pottegård A, Lund LC, Henriksen DP, Folkestad L, Hellfritzsch M, Hallas J, Kristensen KB.
Diabetes Obes Metab. 2021 Feb;23(2):648-652.

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Antimycotic treatment of oral candidiasis in warfarin users
Iversen DB, Hellfritzsch M, Stage TB, Aabenhus RM, Lind BS, Pottegård A.
Am J Med. 2020 Nov 8.

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Drug use and cancer risk: a drug-wide association study (DWAS) in Norway
Støer N, Botteri E, Thoresen H, Karlstad Ø, Weiderpass E, Friis S, Pottegård A, Andreassen BK.
Cancer Epidemiol Biomarkers Prev. 2020 Nov 3.

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Use of tramadol and other analgesics following media attention and risk minimization actions from regulators: A Danish nationwide drug utilization study
Sørensen AMS, Rasmussen L, Ernst MT, Mogensen SH, Laursen MV, Jimenez Solem E, Pottegård A.
Eur J Clin Pharmacol.2020 Oct 28.

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Reduced prevalence of SARS-1 CoV-2 infection in ABO blood group O
Barnkob MB, Pottegård A, Støvring H, Haunstrup TM, Homburg K, Larsen R, Hansen MB, Titlestad K, Aagaard B, Møller BK, Barington T.
Blood Adv. 2020 Oct 27.

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Renin Angiotensin System Blockers and Adverse Outcomes of Influenza and Pneumonia: A Danish Cohort Study
Christiansen CF, Heide-Jørgensen U, Rasmussen TB, Bodilsen J, Søgaard O, Maeng M, Vistisen S, Schmidt M, Pottegård A, Lund LC, Reilev M, Hallas J, Johansen NB, Brun NC, Sørensen HT, Thomsen RW.
J Am Heart Assoc. 2020 Oct. 20.

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Statin use and discontinuation in older Danes: A nationwide drug utilization study
Wade T, Jarbøl DE, Nielsen JB, Haastrup P, Pottegård A.
Age Ageing. 2020 Sep. 16.

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Adverse outcomes and mortality in users of non-steroidal anti-inflammatory drugs tested positive for SARS-CoV-2: A Danish nationwide cohort study
Lund LC, Kristensen KB, Reilev M, Christensen S, Thomsen RW, Christiansen CF, Støvring H, Johansen NB, Brun NC, Hallas J, Pottegård A.
PLOS Med. 2020 Sep 8.

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Risk of Renal Cell Carcinoma Associated with Calcium Channel Blockers: A Nationwide Observational Study Focusing on Confounding by Indication
Hansen MR, Hróbjartsson A, Pottegård A, Damkier P, Madsen KG, Pareek M, Olesen M, Hallas J.
Basic Clin Pharmacol Toxicol. 2020 Sep 7.

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Postponement of cardiovascular outcomes by statin use: A systematic review and meta-analysis of randomized controlled trials
Hansen MR, Hróbjartsson A, Pottegård A, Damkier P, Madsen KG, Pareek M, Olesen M, Hallas J.
Basic Clin Pharmacol Toxicol. 2020 Sep 7.

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Characteristics and predictors of hospitalization and death in the first 11,122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: A nationwide cohort
Reilev M, Kristensen KB, Pottegård A, Lund LC, Hallas J, Ernst MT, Christiansen CF, Sørensen HT, Johansen NB, Brun NC, Voldstedlund M, Støvring H, Thomsen MK, Christensen S, Gubbels S, Krause TG, Mølbak K, Thomsen RW.
Int J Epidemiol. 2020 Sep 5.

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Use of tic suppressing medication and other psychotropic drugs in children and adolescents with newly diagnosed tic disorders in Denmark
Rasmussen L, Bilenberg N, Thrane JM, Ernst MT, Pottegård A.
J Child Adolesc Psychopharmacol. 2020 Oct;30(8):476-485.

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Existing data sources in clinical epidemiology: The Danish COVID-19 cohort
Pottegård A, Kristensen KB, Reilev M, Lund LC, Ernst MT, Hallas J, Thomsen RW, Christiansen CF, Sørensen HT, Johansen NB, Støvring H, Christensen S, Thomsen MK, Husby A, Voldstedlund M, Kjær J, Brun NC.
Clin Epidemiol. 2020 Aug 12;12:875-881.

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“I simply don’t know, because I don’t know which drugs I get”: Perspectives on deprescribing among older adults with limited life expectancy and their relatives
Graabæk T, Lundby C, Ryg J, Søndergaard J, Pottegård A, Nielsen D,.
Basic Clin Pharmacol Toxicol. 2020 Aug 8.

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QTc interval prolongation is a proxy for increased short-term mortality: an observational multicenter cohort
Brabrand M, Jensen HK, Ekelund U, Forberg JL, Lassen A, Pottegård A.
J Am Coll Cardiol. 2020 Aug 4.

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Impact of EU regulatory label changes for diclofenac in people with cardiovascular disease in four countries: interrupted time series regression analysis
Morales DR, Morant SV, MacDonald TM, Hallas J, Ernst MT, Pottegård A, Herings R, Smits E, Overbeek JA, Mackenzie IS, Doney ASF, Mitchell L, Bennie M, Robertson C, Wei L, Nicholson L, Morris C, Flynn R.
Br J Clin Pharmacol. 2020 Jul 15.

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Using the case-crossover design to assess short-term risks of bleeding and arterial thromboembolism following switching between oral anticoagulants in a population-based cohort of atrial fibrillation patient
Hellfritzsch M, Wang SV, Grove EL, Gagne JJ, Hallas J, Pottegård A.
Am J Epidemiol. 2020 Jul 8.

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Association of non-steroidal anti-inflammatory drug use and adverse outcomes in patients hospitalized with influenza
Lund LC, Reilev M, Hallas J, Kristensen KB, Thomsen RW, Christiansen CF, Sørensen HT, Johansen NB, Brun NC, Voldstedlund M, Støvring H, Thomsen MK, Christensen S, Pottegård A.
JAMA Netw Open. 2020 Jul 1;3(7):e2013880

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Risk of squamous cell carcinoma of the lip and cutaneous melanoma in older Australians using hydrochlorothiazide: a population-based case-control study
Daniels B, Pearson S, Vajdic CM, Pottegård A, Buckley NA, Zoega H.
Basic Clin Pharmacol Toxicol. 2020 Jul 1

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Prescriber responsibility, predictors for initiation, and 20-year trends in use of non-aspirin non-steroidal anti-inflammatory drugs in patients with cardiovascular contraindications: a nationwide cohort study
Schmidt M, Pottegård A.
Eur Heart J Cardiovasc Pharmacother. 2020 Jun 25.

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Bias in case-crossover studies of medications due to persistent use: a simulation study
Bykov K, Wang SV, Hallas J, Pottegård A, Maclure M, Gagne JJ.
Pharmacoepidemiol Drug Saf. 2020 Jun 16.

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Drug-drug interaction between warfarin and statins: A Danish cohort study
Engell AE, Svendsen ALO, Lind BS, Andersen CL, Andersen JS, Willadsen TG, Persson F, Pottegård A.
Br J Clin Pharmacol. 2020 Jun 13.

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No association between hydrochlorothiazide use and uveal melanoma
Pottegård A, Pedersen SA, Cognetta A, Kristensen KB. 
Eur J Clin Pharmacol. 2020 Jun 3.

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Validity of antineoplastic procedure codes in the Danish National Patient Registry: the case of colorectal cancer
Broe MO, Jensen PB, Mattson TO, Pottegård A.
Epidemiology. 2020 Jul;31(4):599-603

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Using the Waiting Time Distribution with random index dates to estimate prescription durations in the presence of seasonal stockpiling
Nielsen KB, Selmer RM, Hallas J, Kjerpeseth LJ, Pottegård A, Skovlund E, Støvring H.
Pharmacoepidemiol Drug Saf. 2020 May 21.

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Postponement of Death by Pharmacological Heart Failure Treatment:  A Meta-Analysis of Randomized Clinical Trials
Hansen MR, Hróbjartsson A, Videbæk L, Ennis ZN, Pareek M, Paulsen NH, Broe M, Olesen M, Pottegård A, Damkier P, Hallas J.
Am J Med. 2020 Mar 13.

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Use of medication among nursing home residents: A Danish drug utilization study
Lundby C, Jensen J, Larsen SP, Hoffmann H, Pottegård A, Reilev M.
Age Ageing. 2020 Mar 7.

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Differences Between Randomized Clinical Trial Participants and Real-World Empagliflozin Users and their HbA1c Changes
Munk NE, Knudsen JS, Pottegård A, Witte R, Thomsen RW.
JAMA Netw Open. 2020 Feb 5;3(2):e1920949

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Medication-focused patient counseling upon discharge: A feasibility study of effect on patient satisfaction
Lundby C, Filipsen J, Rasmussen S, Pottegård A.
Pharmacy (Basel). 2020 Jan 14;8(1):8

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Customers’ information seeking behavior prior to community pharmacy visits: A community pharmacy survey
Burghle A, Abrahamsen B, Lundby C, Rossing C, Hansen RN, Nørgaard LS, Pottegård A.
Res Social Adm Pharm. 2019 Dec 26;S1551-7411(19)30459-0

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Impact of EMA regulatory label changes on systemic diclofenac initiation, discontinuation and switching to other pain medicines in Scotland, England, Denmark and The Netherlands
Morales DR, Morant SV, MacDonald TM, Mackenzie IS, Doney ASF, Mitchell L, Bennie M, Robertson C, Hallas J, Pottegård A, Ernst MT, Wei L, Nicholson L, Morris C, Herings R, Overbeek JA, Smits E, Flynn R.
Pharmacoepidemiol Drug Saf. 2020 Mar;29(3):296-305

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Use of proton pump inhibitors and mortality among Icelandic patients with prostate cancer
Hálfdánarson OO, Pottegård A, Lund SH, Ögmundsdóttir MH, Ögmundsdóttir HM, Zoëga H.
Basic Clin Pharmacol Toxicol. 2020 Jun;126(6):484-491

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Urinary tract infections and risk of squamous cell carcinoma bladder cancer: A Danish nationwide case-control study
Pottegård A, Kristensen KB, Friis S, Hallas J, Jensen JB, Nørgaard M.
Int J Cancer. 2020 Apr 1;146(7):1930-1936

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Associations of low-dose aspirin or other NSAID use with prostate cancer risk in the Danish Diet, Cancer and Health Study
Skriver C, Dehlendorff C, Borre M, Brasso K, Larsen SB, Tjønneland A, Pottegård A, Hallas J, Sørensen HT, Friis S.
Cancer Causes Control. 2020 Feb;31(2):139-151

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Hormone replacement therapy and the risk of melanoma in post-menopausal women
Hicks B, Kristensen KB, Pedersen SA, Hölmich LR, Pottegård A.
Hum Reprod. 2019 Dec 1;34(12):2418-2429

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Morbidity and mortality among older people admitted to nursing home
Reilev M, Lundby C, Jensen J, Larsen SP, Hoffmann H, Pottegård A.
Age Ageing. 2019 Dec 1;49(1):67-73

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Antihistamines and ovarian cancer survival: nationwide cohort study and in vitro cell viability assay
Verdoodt F, Dehlendorff C, Jäätelä M, Strauss R, Pottegård A, Hallas J, Friis S, Kjaer SK.
J Natl Cancer Inst. 2019 Nov 5;djz217

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Use of hydrochlorothiazide and risk of skin cancer: A nationwide Taiwanese case-control study
Pottegård A, Pedersen SA, Schmidt SAJ, Lee CN, Hsu CK, Chi LT, Shao SC, Lai EC.
Br J Cancer. 2019 Nov;121(11):973-978

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Validation of a comorbidity index for use in obstetric patients: a nationwide cohort study
Bliddal M, Möller S, Vinter C, Rubin K, Gagne JJ, Pottegård A.
Acta Obstet Gynecol Scand. 2020 Mar;99(3):399-405

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Trends in antidepressant use among children and adolescents: A Scandinavian drug utilization study
Wesselhoeft R, Jensen PB, Ardesheer T, Reutfors J, Furu K, Strandberg-Larsen K, Damkier P, Pottegård A, Bliddal M.
Acta Psychiatr Scand. 2020 Jan;141(1):34-42

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Antidepressant drug use and subdural hematoma risk
Gaist D, García Rodríguez LA, Hald SM, Hellfritzsch M, Poulsen FR, Halle B, Hallas J, Pottegård A.
J Thromb Haemost. 2020 Feb;18(2):318-327

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Ischemic stroke and systemic embolism in warfarin users with atrial fibrillation or heart valve replacement exposed to dicloxacillin or flucloxacillin
Hellfritzsch M, Lund LC, Ennis Z, Stage TB, Damkier P, Bliddal M, Jensen P, Henriksen D, Ernst MT, Olesen M, Broe A, Kristensen KB, Hallas J, Pottegård A.
Clin Pharmacol Ther. 2020 Mar;107(3):607-616

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Trends of opioid utilisation in Denmark: a nationwide study
Nissen SK, Pottegård A, Ryg J.
Drugs Real World Outcomes. 2019 Dec;6(4):155-164

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New-onset atrial fibrillation among patients with infection in the emergency department: A multicentre cohort study of one-year stroke risk
Hansen TG, Pottegård A, Brandes A, Ekelund U, Jensen HK, Forberg JL, Brabrand M, Lassen AT.
Am J Med. 2020 Mar;133(3):352-359.e3

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“… above all, it’s a matter of this person’s quality of life”: Health care professionals’ perspectives on deprescribing in older patients with limited life expectancy
Lundby C, Graabæk T, Ryg J, Søndergaard J, Pottegård A, Nielsen DS.
Gerontologist. 2020 Apr 2;60(3):439-449

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Phthalate Exposure from Drugs during Pregnancy and Possible Risk of Preterm Birth and Small for Gestational Age
Broe A, Pottegård A, Hallas J, Ahern TP, Lamont RF, Damkier P.
Eur J Obstet Gynecol Reprod Biol. 2019 Sep;240:293-299

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The effect of flucloxacillin on warfarin anticoagulation: A Swedish register-based nationwide cohort study
Mannheimer B, Stage TB, Pottegård A, Lindh JD.
Thromb Haemost. 2019 Oct;19(10):1617-1623

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Statins in older Danes: factors associated with discontinuation over the first four years of use
Thompson W, Jarbøl DE, Haastrup P, Nielsen JB, Pottegård A.
J Am Geriatr Soc. 2019 Oct;67(10):2050-2057

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Increased risk of major adverse cardiac events following the onset of acute exacerbations of chronic obstructive pulmonary disease
Reilev M, Pottegård A, Lykkegård J, Søndergaard J, Ingebrigtsen TS, Hallas J.
Respirology. 2019 Dec;24(12):1183-1190

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Validity of ICD-9 and ICD-10 Codes Used to Identify Acute Liver Injury: A Study in Three European Data Sources
Forns J, Cainzos-Achirica M, Hellfritzsch M, Morros R, Pablador-Plou B, Hallas J, Giner-Soriano M, Prados-Torres A, Pottegård A, Cortés J, Castellsagué J, Jacquot E, Deltour N, Perez-Guthann S, Pladeval M.
Pharmacoepidemiol Drug Saf. 2019 Jul;28(7):965-975

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Surgical patients’ experiences of information about medication: a qualitative comparative study with a patient-centered medication counseling upon discharge
Schultz H, Lundby C, Filipsen J, Rasmussen S, Pottegård A.
Eur J Pers Cent Healthc. 2019 7(2):307-315

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Use of antiepileptic drugs and risk of skin cancer: A nationwide case-control study
Kristensen KB, Pedersen SA, Schmidt SAJ, Pottegård A.
J Am Acad Dermatol. 2020 Feb;82(2):326-335

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Use of ß2-adrenoreceptor agonist and antagonist drugs and risk of Parkinson’s disease
Hopfner FJ, Wod M, Hoglinger GU, Blaabjerg M, Rösler TW, Kuhlenbaeumer G, Christensen K, Deuschl G, Pottegård A.
Neurology. 2019 Jul 9;93(2):e135-e142 

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Postponement of death by statin use: A systematic review and meta-analysis of randomized clinical trials
Hansen MR, Hróbjartsson A, Pottegård A, Damkier P, Larsen KS, Madsen KG, Christensen RD, Kristensen MEL, Christensen PM, Hallas J.
J Gen Intern Med. 2019 Aug;34(8):1607-1614

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Unavailable prescriptions at Danish community pharmacies: A descriptive study
Lundby C, Nielsen AN, Bendixen S, Almarsdottir AB, Pottegård A.
Int J Clin Pharm. 2019 Jun;41(3):672-676

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Identification of potential carcinogenic and chemopreventive effects of prescription drugs: A protocol for a Norwegian registry-based study
Andreassen BK, Støer N, Martinsen JI, Ursin G, Weiderpass E, Thoresen GH, Debernard KB, Karlstad Ø, Pottegård A, Friis S.
BMJ Open. 2019 Apr 8;9(4):e028504

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Use of prescription drugs in the older adult population— a nationwide pharmacoepidemiological study
Christensen LD, Reilev M, Juul-Larsen HG, Jørgensen LM, Kaae S, Andersen O, Pottegård A, Petersen J
Eur J Clin Pharmacol. 2019 Aug;75(8):1125-1133

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Trends in utilization and dosing of antipsychotic drugs in Scandinavia: Comparison of 2006 and 2016
Højlund M, Pottegård A, Johnsen E, Kroken RA, Reutfors J, Munk-Jørgensen P, Correll CU.
Br J Clin Pharmacol. 2019 Jul;85(7):1598-1606

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Discontinuation of therapy among COPD patients who experience an improvement in exacerbation
Reilev M, Kristensen KB, Søndergaard J, Henriksen DP, Thompson W, Pottegård A.
Eur J Clin Pharmacol. 2019 Jul;75(7):1025-1032

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Clinical characteristics and glucose-lowering drug utilization among patients initiating liraglutide in Denmark: A routine clinical care prescription study
Knudsen JS, Thomsen RW, Pottegård A, Knop FK, Sørensen HT.
J Diabetes. 2019 Aug;11(8):690-694

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Use of phthalate-containing prescription drugs and the risk of gastric cancer: A Danish nationwide case-control study
Ennis ZN, Pedersen SA, Hansen MR, Pottegård A, Ahern TP, Hallas J, Damkier P.
Acta Oncol. 2019 Jun;58(6):852-858

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Hydrochlorothiazide use as a predictor of increased lifetime cumulative squamous cell carcinoma in a high-risk Mohs population: A cross-sectional study
Han S, Wolfe CM, Angnardo L, Pedersen SA, Gaist D, Pottegård A, Cognetta AB Jr.
Dermatol Surg. 2020 May;46(5):704-708

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Use of Low-Dose Aspirin and Mortality after Prostate Cancer Diagnosis: A Nationwide Cohort Study
Skriver C, Dehlendorff C, Borre M, Brasso K, Larsen SB, Dalton SO, Nørgaard M, Pottegård A, Hallas J, Sørensen HT, Friis S.
Ann Intern Med. 2019 Apr 2;170(7):443-452

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Risk of acute liver injury in agomelatine and other antidepressant users in four European countries: A cohort and nested case-control study using automated health data sources
Pladeval M, Pottegård A, Schink T, Reutfors J, Morros R, Pablador-Plou B, Timmer A, Forns J, Hellfritzsch M, Reinders T, Hägg D, Giner-Soriano M, Prados-Torres A, Cainzos-Achirica M, Hallas J, Brandt L, Cortés J, Aguado J, Perlemuter G, Falissard B, Castellsagué J, Jacquot E, Deltour N, Perez-Guthann S.
CNS Drugs. 2019 Apr;33(4):383-395

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Exposure to phthalate-containing prescription drugs and the risk of colorectal adenocarcinoma: A Danish nationwide case-control study
Ennis Z, Pottegård A, Ahern TP, Hallas J, Damkier P.
Pharmacoepidemiol Drug Saf. 2019 Apr;28(4):528-535

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Antidepressant use in Denmark, Germany, Spain, and Sweden between 2009 and 2014: Incidence and comorbidities of initiators
Forns J, Pottegård A, Reinders T, Pablador-Plou B, Morros R, Brandt L, Cainzos-Achirica M, Hellfritzsch M, Schink T, Prados-Torres A, Giner-Soriano M, Hägg D, Hallas J, Cortés J, Jacquot E, Deltour N, Perez-Guthann S, Pladevall M, Reutfors J.
J Affect Disord. 2019 Apr 15;249:242-252 

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Nonaspirin nonsteroidal antiinflammatory drug use in the Nordic countries from a cardiovascular risk perspective, 2000– 2016: A drug utilization study
Kristensen KB, Karlstad Ø, Martikainen JE, Pottegård A, Wastesson JW, Zoëga H, Schmidt M
Pharmacotherapy. 2019 Feb;39(2):150-160

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Angiotensin II receptor blockers are safe in patients with prior angioedema related to angiotensin-converting enzyme inhibitors – a nationwide registry-based cohort study
Rasmussen ER, Pottegård A, Bygum A, Buchvald CV, Homøe P, Hallas J.
J Intern Med. 2019 May;285(5):553-561

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Patient involvement in evaluation of safety in oral antineoplastic treatment: a failure mode and effect analysis in patients and health care professionals
Mattsson TO, Lipczak H, Pottegård A.
Qual Manag Health Care. Jan/Mar 2019;28(1):33-38

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Antihistamine use and risk of ovarian cancer: a population-based case-control study
Verdoodt F, Pottegård A, Dehlendorff C, Jäättelä M, Hallas J, Friis S, Kjaer SK.
Maturitas. 2019 Feb;120:47-52

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Use of proton pump inhibitors among Danish children: a 16-year register-based nationwide study
Aznar-Lou I, Reilev M, Lødrup AB, Rubio-Valera M, Haastrup P, Pottegård A.
Basic Clin Pharmacol Toxicol. 2019 Jun;124(6):704-710

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Perioperative tranexamic acid treatment and the risk of postoperative cardiovascular events or death after total hip arthroplasty: A population-based cohort study from national Danish databases
Dastrup AS, Pottegård A, Hallas J, Overgaard S.
J Bone Joint Surg Am. 2018 Oct 17;100(20):1742-1749

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Use of psychotropic drugs among children and adolescents with autism spectrum disorders in Denmark: A nationwide drug utilization study
Rasmussen L, Bilenberg N, Ernst MT, Boysen SA, Pottegård A.
J Clin Med. 2018 Oct 10;7(10):339

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Patterns of use of antimuscarinic drugs to treat overactive bladder in Denmark, Sweden, and the United Kingdom
Margulis AV, Linder M, Arana A, Pottegård A, Berglind IA, Bui CL, Kristiansen NS, Bahmanyar S, McQuay LJ, Atsma WJ, Appenteng K, D’Silva M, Perez-Gutthann S, Hallas J.
PLOS One. 2018 Sep 27;13(9):e0204456

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Use of vitamin K antagonists and risk of prostate cancer: Meta–analysis and nationwide case–control study
Kristensen KB, Jensen PH, Skriver C, Friis S, Pottegård A.
Int J Cancer. 2019 Apr 1;144(7):1522-1529

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Trends in attention-deficit hyperactivity disorder medication use: A retrospective observational study using population-based databases
Raman SR, Man KKC, Ip P, Bahmanyar S, Berard A, Bilder S, Boukhris T, Bushnell G, Crystal S, Furu K, Kao Yang YH, Karlstad Ø, Kieler H, Kubota K, Lai EC, Martikainen JE, Maura G, Moore N, Montero D, Nakamura H, Neumann A, Pate V, Pottegård A, Pratt N, Roughead EE, Segrave A, Raymond C, Saint-Gerons DM, Stürmer T, Su C, Zoëga H, Sturkenbroom MCJM, Chan EW, Coghill D, Wong ICK.
Lancet Psychiatry. 2018 Oct;5(10):824-835

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Use of N-nitrosomethylamine (NDMA) contaminated valsartan products and risk of cancer: Danish nationwide cohort study
Pottegård A, Kristensen KB, Ernst MT, Johansen NB, Quartarolo P, Hallas J.
BMJ. 2018 Sep 12;362:k3851

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Cost-consequence analysis evaluating multifaceted clinical pharmacist intervention targeting patient transitions of care from hospital to primary care
Rasmussen MK, Ravn-Nielsen LV, Duckert ML, Lund ML, Henriksen JP, Nielsen ML, Eriksen CS, Buck TC, Hansen MR, Pottegård A, Hallas J, Kidholm K.
JACCP: Journal of the American College of Clinical Pharmacy. Accepted.

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Intracerebral hemorrhage: Positive predictive value of diagnosis codes in two nationwide Danish registries
Hald SM, Sloth CK, Hey SM, Madsen C, Nguyen N, García Rodríguez LA, Salman RA, Möller S, Poulsen FR, Pottegård A, Gaist D.
Clin Epidemiol. 2018 Aug 7;10:941-948

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Use of topical antipsoriatic drugs in Denmark: A nationwide drug utilization study
Svendsen MT, Ernst MT, Andersen KE, Andersen F, Johannessen H, Pottegård A.
Br J Dermatol. 2019 Jan;180(1):157-164

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Significant association between the use of different proton pump inhibitors and microscopic colitis: A nation-wide Danish case-control study
Bonderup OK, Nielsen GL, Dall M, Pottegård A, Hallas J.
Aliment Pharmacol Ther. 2018 Sep;48(6):618-625

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Differences between randomized clinical trial patients and real-world initiators of the glucagon-like peptide 1 receptor antagonist liraglutide
Knudsen JS, Thomsen RW, Pottegård A, Knop FK, Sørensen HT.
Diab Care. 2018 Sep;41(9):e133-e135

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How common is statin use in the oldest old?
Thompson W, Pottegård A, Nielsen JB, Haastrup P, Jarbøl DE.
Drugs Aging. 2018 Aug;35(8):679-686

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Association between QTc prolongation and mortality in patients with suspected poisoning in the emergency department: a transnational propensity score matched cohort
Schade Hansen C, Pottegård A, Ekelund U, Jensen HK, Lundager Forsberg JL, Brabrand M, Lassen AT.
BMJ Open. 2018 Jul 7;8(7):e020036

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Empirical validation of the Reverse Parametric Waiting Time Distribution and standard methods to estimate prescription durations for warfarin
Thrane JM, Støvring H, Hellfritzsch M, Hallas J, Pottegård A.
Pharmacoepidemiol Drug Saf. 2018 Sep;27(9):1011-1018

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Using the “proportion of patients covered” and the Kaplan-Meier Survival Analysis to describe Treatment Persistence
Rasmussen L, Pratt N, Hansen MR, Hallas J, Pottegård A.
Pharmacoepidemiol Drug Saf. 2018 Aug;27(8):867-871

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Use of prescription drugs among women diagnosed with epithelial ovarian cancer in Denmark
Pottegård A, Friis S, Verdoodt F, Dehlendorff C, Hallas J, Kjaer SK.
Acta Obstet Gynecol Scand. 2018 Nov;97(11):1332-1338

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Use of proton pump inhibitors and risk of pancreatic cancer
Hicks B, Friis S, Pottegård A.
Pharmacoepidemiol Drug Saf. 2018 Aug;27(8):926-930

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Hydrochlorothiazide use and risk of Merkel cell carcinoma and malignant adnexal skin tumours: A nationwide case-control study
Pedersen SA, Schmidt SAJ, Hölmich LR, Friis S, Pottegård A, Gaist D.
J Am Acad Dermatol. 2019 Feb;80(2):460-465.e9

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Use of topical ocular antibiotics in young children: a Scandinavian drug utilization study
Andersson J, Hofsli M, Gade UL, Heegaard S, Pottegård A.
Acta Ophthalmol. 2018 Dec;96(8):789-794

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Association of Hydrochlorothiazide Use and Risk of Malignant Melanoma
Pottegård A, Pedersen SA, Schmidt SAJ, Hölmich LR, Friis S, Gaist D.
JAMA Intern Med. 2018 Aug 1;178(8):1120-1122

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Proton pump inhibitors among adults: a nationwide drug utilization study
Hálfdánarson OO, Pottegård A, Björmsson ES, Lund SH, Ögmundsdóttir MH, Steingrímsson E, Ögmundsdóttir HM, Zoëga H.
Therap Adv Gastroenterol. 2018 May 30;11:1756284818777943

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Use of antipsychotics and risk of breast cancer: A Danish nationwide case-control study
Pottegård A, Lash TL, Cronin-Fenton D, Ahern TP, Damkier P.
Br J Clin Pharmacol. 2018 Sep;84(9):2152-2161

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Treatment failure of TNF-a inhibitors in obese patients with inflammatory bowel disease
Madsen KG, Pottegård A, Hallas J, Kjeldsen J.
Inflamm Bowel Dis. 2018 Nov 29;24(12):2628-2633

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Risk of lactic acidosis in type 2 diabetes patients using metformin: A case-control study
Aharaz A, Pottegård A, Henriksen DP, Hallas J, Beck-Nielsen H, Lassen AT.
PLOS One. 2018 May 8;13(5):e0196122

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Use of topical tacrolimus and topical pimecrolimus in four European countries: a multicenter database cohort study
Kuiper JG, van Herk-Sukel MPP, Castellsague J, Pottegård A, Berglind IA, Dedman D, Gutierrez L, Calingaert B, Hallas J, Sundström A, Gallagher AM, Kaye JA, Pardo C, Rothman KJ, Perez-Gutthann S.
Drugs Real World Outcomes. 2018 Jun;5(2):109-116

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Oral immunosuppressive treatment of myasthenia gravis in Denmark: A nationwide drug utilization study, 1996-2013
Pedersen E, Hallas J, Pottegård A, Hald SM, Jensen PEH, Gaist D.
Basic Clin Pharmacol Toxicol. 2018 Oct;123(4):486-493

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Cumulative exposure to phthalate-containing drug products: A Danish population-wide study
Ennis ZN, Broe A, Pottegård A, Ahern TP, Hallas J, Damkier P.
Br J Clin Pharmacol. 2018 Aug;84(8):1798-1805

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Use of non-vitamin K antagonist oral anticoagulants 2008-2016: A Danish nationwide cohort study
Haastrup S, Hellfritzsch M, Rasmussen L, Pottegård A, Grove EL.
Basic Clin Pharmacol Toxicol. 2018 Oct;123(4):452-463

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A smartphone application supporting patients with psoriasis improves adherence to topical treatment: A randomized controlled trial
Svendsen MT, Andersen F, Andersen KH, Pottegård A, Johannessen H, Möller S, August B, Feldman SR, Andersen KE.
Br J Dermatol. 2018 Nov;179(5):1062-1071

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Hypothesis-free screening of large administrative databases for unsuspected drug-outcome associations
Hallas J, Wang SV, Gagne JJ, Schneeweiss S, Pratt N, Pottegård A.
Eur J Epidemiol. 2018 Jun;33(6):545-555

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Methodological challenges when evaluating potential off-label prescribing of drugs using electronic healthcare databases: a case study of dabigatran etexilate in Europe
Cainzos-Achirica M, Varas-Lorenzo C, Pottegård A, Asmar J, Plana E, Rasmussen L, Bizouard G, Forns J, Hellfritzsch M, Zint K, Perez-Gutthann S, Pladevall M.
Pharmacoepidemiol Drug Saf. 2018 Jul;27(7):713-723

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Roflumilast usage from 2010 to 2016: A Danish nationwide drug utilization study
Salvesen Ø, Davidsen JR, Pottegård A, Henriksen DP.
Basic Clin Pharmacol Toxicol. 2018 Sep;123(3):314-319

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A cohort study on the risk of lymphoma and skin cancer in users of topical tacrolimus, pimecrolimus, and corticosteroids (Joint European Longitudinal Lymphoma and skin cancer Evaluation – JOELLE study)
Castellsague J, Kuiper JG, Pottegård A, Berglind IA, Dedman D, Gutierrez L, Calingaert B, van Herk-Sukel MPP, Hallas J, Sundström A, Gallagher AM, Kaye JA, Pardo C, Rothman KJ, Perez-Gutthann S.
Clin Epidemiol. 2018 Mar 13;10:299-310

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Effect of copayment policies on initial medication non-adherence according to income: a population-based study
Aznar-Lou I, Pottegård A, Fernández A, Peñarrubia-María MT, Serrano-Blanco A, Cainzos-Achirica M, Sabés-Figuera R, Gil-Girbau M, Fajó-Pascual M, Moreno-Peral P, Rubio-Valera M.
BMJ Qual Saf. 2018 Nov;27(11):878-891

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Trends in use of paracetamol in the Nordic countries
Wastesson JW, Martikainen JE, Zoëga H, Schmidt M, Karlstad Ø, Pottegård A.
Basic Clin Pharmacol Toxicol. 2018 Sep;123(3):301-307

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Use of dicloxacillin and risk of pregnancy among users of oral contraceptives
Pottegård A, Broe A, Stage TB, Brøsen K, Hallas J, Damkier P.
Basic Clin Pharmacol Toxicol. 2018 Sep;123(3):288-293

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Using the symmetry analysis design to screen for adverse effects of non-vitamin K antagonist oral anticoagulants
Hellfritzsch M, Rasmussen L, Hallas J, Pottegård A.
Drug Saf. 2018 Jul;41(7):685-695

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Use of attention-deficit/hyperactivity disorder medication among older adults in Denmark
Ormhøj SS, Pottegård A, Gasse C, Rasmussen L.
Br J Clin Pharmacol. 2018 Jul;84(7):1505-1513

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Switching between antibiotics among Danish children aged 0-4 years: A nationwide drug utilization study
Reilev M, Thomsen RW, Aabenhus R, Sydenham R, Hansen JG, Pottegård A.
Pediatr Infect Dis J. 2018 Nov;37(11):1112-1117

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Seventeen-year nationwide trends in use of long-acting bronchodilators and inhaled corticosteroids among adults: A Danish drug utilization study
Reilev M, Pottegård A, Davidsen JR, Rasmussen L, Søndergaard J, Laursen CB, Henriksen DP.
Basic Clin Pharmacol Toxicol. 2018 Jul;123(1):58-64

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Association between use of phthalate-containing medication and semen quality among men in couples referred for assisted reproduction
Broe A, Pottegård A, Hallas J, Ahern TP, Fedder J, Damkier P.
Hum Reprod. 2018 Mar 1;33(3):503-511

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Effect of an in-hospital multifaceted clinical pharmacist intervention on the risk of readmission: A Randomized Clinical Trial
Ravn-Nielsen LV, Duckert ML, Lund ML, Henriksen JP, Nielsen ML, Eriksen CS, Buck TC, Pottegård A, Hansen MR, Hallas J.
JAMA Intern Med. 2018 Mar 1;178(3):375-382

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Examining non-participation to the Maternal Follow-up within the Danish National Birth Cohort
Bliddal M, Liew Z, Pottegård A, Kirkegaard H, Olsen J, Nohr EA.
Am J Epidemiol. 2018 Jul 1;187(7):1511-1519

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Incidence of common cancers in users of antimuscarinic medications for overactive bladder: a Danish nationwide cohort study
Hallas J, Margulis AV, Pottegård A, Kristiansen NS, Atsma WJ, Appenteng K, Vogel S, Kaye JA, Perez-Gutthann S, Arana A.
Basic Clin Pharmacol Toxicol. 2018 Jun;122(6):612-619

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Melanoma of the skin in the Danish Cancer Registry and the Danish Melanoma Database: A validation study
Arnspang S, Schmidt SAJ, Klausen S, Pottegård A, Friis S, Hölmich LR, Gaist D.
Epidemiology. 2018 May;29(3):442-447

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Hydrochlorothiazide use and risk of non-melanoma skin cancer: A nationwide case-control study from Denmark
Arnspang S, Gaist D, Schmidt SAJ, Hölmich LR, Friis S, Pottegård A.
J Am Acad Dermatol. 2018 Apr;78(4):673-681.e9

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Use of beta-blockers and risk of serious upper gastrointestinal bleeding: a population-based case-control study
Reilev M, Damkier P, Rasmussen L, Olesen M, Ernst MT, Rishøj RM, Hansen MR, Broe A, Dastrup AS, Hellfritzsch M, Arnspang S, Pottegård A, Hallas J
Therap Adv Gastroenterol. 2017 Dec;10(12):919-929

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Prescription duration and treatment episodes in oral glucocorticoid users: application of the parametric waiting time distribution.
Laugesen K, Støvring H, Hallas J, Pottegård A, Jørgensen JOL, Sørensen HT, Petersen I
Clin Epidemiol. 2017 Nov 16;9:591-600

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Use of direct oral anticoagulants in the first year after market entry of edoxaban: A Danish nationwide drug utilization study
Pottegård A, Grove EL, Hellfritzsch M
Pharmacoepidemiol Drug Saf. 2018 Feb;27(2):174-181

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Comparison of cardiovascular events among treatments for overactive bladder: a Danish nationwide cohort study
Margulis AV, Hallas J, Pottegård A, Kristiansen NS, Atsma WJ, Franks B, D'Silva M, Varas-Lorenzo C, Perez-Gutthann S, Arana A
Eur J Clin Pharmacol. 2018 Feb;74(2):193-199

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Dicloxacillin induces CYP2C19, CYP2C9 and CYP3A4 in vivo and in vitro.
Stage TB, Graff M, Wong S, Rasmussen LL, Nielsen F, Pottegård A, Brøsen K, Kroetz DL, Khojasteh SC, Damkier P
Br J Clin Pharmacol. 2018 Mar;84(3):510-519

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Using probability of drug use as independent variable in a register-based pharmacoepidemiological cause-effect study-An application of the reverse waiting time distribution.
Hallas J, Pottegård A, Støvring H
Pharmacoepidemiol Drug Saf. 2017 Dec;26(12):1520-1526

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Clinical events preceding switching and discontinuation of oral anticoagulant treatment in patients with atrial fibrillation.
Hellfritzsch M, Grove EL, Husted SE, Rasmussen L, Poulsen BK, Johnsen SP, Hallas J, Pottegård A
Europace. 2017 Jul 1;19(7):1091-1095

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Montelukast use—a 19-year nationwide drug utilisation study
Henriksen DP, Davidsen JR, Laursen CB, Christiansen A, Damkier P, Hallas J, Pottegård A
Eur J Clin Pharmacol. 2017 Oct;73(10):1297-1304

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External adjustment of unmeasured confounders in a case-control study of benzodiazepine use and cancer risk
Thygesen LC, Pottegård A, Ersbøll AK, Friis S, Stürmer T, Hallas J
Br J Clin Pharmacol. 2017 Nov;83(11):2517-2527

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Metformin treatment does not affect the risk of ruptured abdominal aortic aneurysms
Kristensen KL, Pottegård A, Hallas J, Rasmussen LM, Lindholt JS
J Vasc Surg. 2017 Sep;66(3):768-774.e2

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Ophthalmic nepafenac use in the Netherlands and Denmark
Margulis AV, Houben E, Hallas J, Overbeek JA, Pottegård A, Torp-Pedersen T, Perez-Gutthann S, Arana A
Acta Ophthalmol. 2017 Aug;95(5):509-517

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Hydrochlorothiazide use is strongly associated with risk of lip cancer.
Pottegård A, Hallas J, Olesen M, Svendsen MT, Habel LA, Friedman GD, Friis S.
J Intern Med. 2017 Oct;282(4):322-331

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Estimating medication stopping fraction and real-time prevalence of drug use in pharmaco-epidemiologic databases. An application of the reverse Waiting Time Distribution
Støvring H, Pottegård A, Hallas J.
Pharmacoepidemiol Drug Saf. 2017 Aug;26(8):909-916

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Refining estimates of prescription durations by using observed covariates in pharmacoepidemiologic databases. An application of the reverse Waiting Time Distribution
Støvring H, Pottegård A, Hallas J.
Pharmacoepidemiol Drug Saf. 2017 Aug;26(8):900-908

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Stability of the Frequent COPD Exacerbator in the General Population: A Danish Nationwide Register-based Study
Reilev M, Lykkegaard J, Halling A, Vestbo J, Søndergaard J, Pottegård A.
NPJ Prim Care Respir Med. 2017 Apr 17;27(1):25

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Statin use and mortality among ovarian cancer patients: a population-based cohort study
Verdoodt F, Hansen MK, Kjaer SK, Pottegård A, Friis S, Dehlendorff C
Int J Cancer. 2017 Jul 15;141(2):279-286

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Therapeutic Drug Monitoring of Venlafaxine in an Everyday Clinical Setting: Analysis of Age, Sex and Dose Concentration Relationships.
Hansen MR, Kuhlmann IB, Pottegård A, Damkier P
Basic Clin Pharmacol Toxicol. 2017 Oct;121(4):298-302

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Population Exposure to Phthalate-containing Drugs
Broe A, Ennis ZN, Pottegård A, Hallas J, Ahern TP, Damkier P.
Basic Clin Pharmacol Toxicol. 2017 Sep;121(3):153-158

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Association of Antithrombotic Drug Use With Subdural Hematoma Risk
Gaist D, García Rodríguez LA, Hellfritzsch M, Poulsen FR, Halle B, Hallas J, Pottegård A
JAMA. 2017 Feb 28;317(8):836-846

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Clopidogrel–Paclitaxel Drug–Drug Interaction: A Pharmacoepidemiologic Study
Agergaard K, Mau-Sørensen M, Stage TB, Jørgensen TL, Hassel RE, Steffensen KD, Pedersen JW, Milo M, Poulsen SH, Pottegård A, Hallas J, Brøsen K, Bergmann TK
Clin Pharmacol Ther. 2017 Sep;102(3):547-553

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Switching, Adverse Effects and Use of Over-the-Counter Analgesics among Users of Oral Anticoagulants: A Pharmacy-based Survey
Hellfritzsch M, Hyllested LM, Meegaard LH, Wiberg-Hansen A, Grove EL, Pottegård A
Basic Clin Pharmacol Toxicol. 2017 Jul;121(1):37-43

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Utilization of Stimulants and Atomoxetine for Attention-Deficit/Hyperactivity Disorder among 5.4 Million Children Using Population-Based Longitudinal Data.
Furu K, Karlstad Ø, Zoëga H, Martikainen JE, Bahmanyar S, Kieler H, Pottegård A.
Basic Clin Pharmacol Toxicol. 2017 Apr;120(4):373-379

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Propranolol and survival from breast cancer: a pooled analysis of European breast cancer cohorts.
Cardwell CR, Pottegård A, Vaes E, Garmo H, Murray LJ, Brown C, Vissers PA, O'Rorke M, Visvanathan K, Cronin-Fenton D, De Schutter H, Lambe M, Powe DG, van Herk-Sukel MPP, Gavin A, Friis S, Sharp L, Bennett K.
Breast Cancer Res. 2016 Dec 1;18(1):119

(o86)
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Topical Antimycotics for Oral Candidiasis in Warfarin Users.
Hellfritzsch M, Pottegård A, Pedersen AJ, Burghle A, Mouaanaki F, Hallas J, Grove EL, Damkier P.
Basic Clin Pharmacol Toxicol. 2017 Apr;120(4):368-372

(o85)
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Performance of the High-dimensional Propensity Score in a Nordic Healthcare Model.
Hallas J, Pottegård A.
Basic Clin Pharmacol Toxicol. 2017 Mar;120(3):312-317

(o84)
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New use of prescription drugs prior to a cancer diagnosis.
Pottegård A, Hallas J.
Pharmacoepidemiol Drug Saf. 2017 Feb;26(2):223-227

(o83)
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Depressive symptoms in women's midlife in relation to their body weight before, during and after childbearing years.
Bliddal M, Pottegård A, Kirkegaard H, Olsen J, Sørensen TI, Nohr EA.
Obes Sci Pract. 2016 Dec;2(4):415-425

(o82)
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Drug use among complete responders, partial responders and non-responders in a longitudinal survey of nonagenarians: analysis of prescription register data.
Wastesson JW, Rasmussen L, Oksuzyan A, Hallas J, Christensen K, Pottegård A.
Pharmacoepidemiol Drug Saf. 2017 Feb;26(2):152-161

(o81)
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Persistent User Bias in Case-Crossover Studies in Pharmacoepidemiology.
Hallas J, Pottegård A, Wang SV, Schneeweiss S, Gagne JJ.
Am J Epidemiol. 2016 Nov 15;184(10):761-769

(o80)
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Use of non-antiretroviral drugs among individuals with and without HIV-infection: a Danish nationwide study.
Rasmussen LD, Kronborg G, Larsen CS, Pedersen C, Gerstoft J, Obel N, Pottegård A.
Infect Dis (Lond). 2017 Jan;49(1):42-54

(o79)
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Determining prescription durations based on the parametric waiting time distribution.
Støvring H, Pottegård A, Hallas J.
Pharmacoepidemiol Drug Saf. 2016 Dec;25(12):1451-1459

(o78)
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Use of antibiotics in childhood and risk of Type 1 diabetes: a population-based case-control study.
Mikkelsen KH, Knop FK, Vilsbøll T, Frost M, Hallas J, Pottegård A.
Diabet Med. 2017 Feb;34(2):272-277

(o77)
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Use of drugs for ADHD among adults-a multinational study among 15.8 million adults in the Nordic countries.
Karlstad Ø, Zoëga H, Furu K, Bahmanyar S, Martikainen JE, Kieler H, Pottegård A.
Eur J Clin Pharmacol. 2016 Dec;72(12):1507-1514

(o76)
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Use of proton-pump inhibitors among adults: a Danish nationwide drug utilization study
Pottegård A, Broe A, Hallas J, de Muckadell OB, Lassen AT, Lødrup AB.
Therap Adv Gastroenterol. 2016 Sep;9(5):671-8

(o75)
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Treatment Changes among Users of Non-Vitamin K Antagonist Oral Anticoagulants in Atrial Fibrillation.
Hellfritzsch M, Husted SE, Grove EL, Rasmussen L, Poulsen BK, Johnsen SP, Hallas J, Pottegård A.
Basic Clin Pharmacol Toxicol. 2017 Feb;120(2):187-194

(o74)
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Psoriasis patients' experiences concerning medical adherence to treatment with topical corticosteroids
Svendsen MT, Andersen KE, Andersen F, Hansen J, Pottegård A, Johannessen H.
Psoriasis (Auckl). 2016 Aug 23;6:113-119

(o73)
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Perception of drug teratogenicity among General Practitioners and Specialists in Obstetrics/Gynecology: a Regional and National Questionnaire-Based Survey
Gils C, Pottegård A, Ennis ZN, Damkier P.
BMC Pregnancy Childbirth. 2016 Aug 17;16:226

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Use of sildenafil or other phosphodiesterase inhibitors and risk of melanoma
Pottegård A, Schmidt SAJ, Olesen AB, Achacoso N, van den Eeden SK, Hallas J, Sørensen HT, Friis S, Habel LA.
Br J Cancer. 2016 Sep 27;115(7):895-900

(o71)
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Subdural hematoma cases identified through a Danish patient register: diagnosis validity, clinical characteristics, and preadmission antithrombotic drug use
Poulsen FR, Halle B, Pottegård A, García Rodríguez LA, Hallas J, Gaist D.
Pharmacoepidemiol Drug Saf. 2016 Nov;25(11):1253-1262

(o70)
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Identification of associations between prescribed medications and cancer: A nationwide screening study
Pottegård A, Friis S, Christensen RP, Habel LA, Gagne JJ, Hallas J.
EBioMedicine. 2016 May;7:73-9

(o69)
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Initiation and persistence with dual antiplatelet therapy after acute myocardial infarction - a Danish nationwide population based cohort
Green A, Pottegård A, Broe A, Diness TG, Emneus M, Hasvold P, Gislason G.
BMJ Open. 2016 May 12;6(5):e010880

(o68)
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Early discontinuation of metformin in individuals treated with inhibitors of transporters of metformin
Stage TB, Park M, Hallas J, Christensen MMH, Brøsen K, Christensen K, Gagne JJ, Pottegård A.
Basic Clin Pharmacol Toxicol. 2016 Jun;118(6):487-95

(o67)
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Use of tricyclic antidepressants and risk of glioma: A nationwide case-control study
Pottegård A, García Rodríguez LA, Rasmussen L, Damkier P, Friis S, Gaist D.
Br J Cancer. 2016 May 24;114(11):1265-8

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Real-life and RCT participants: Alendronate users versus FITs' trial eligibility criterion
Reyes C, Pottegård A, Schwarz P, Javaid MK, van Staa T, Cooper C, Diez-Perez A, Abrahamsen B, Prieto-Alhambra D.
Calcif Tissue Int. 2016 Sep;99(3):243-9

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Validity of the prescriber information in the Danish National Prescription Registry
Rasmussen L, Valentin J, Gesser KM, Hallas J, Pottegård A.
Basic Clin Pharmacol Toxicol. 2016 Oct;119(4):376-80

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Use of Pregabalin - A Nationwide Pharmacoepidemiological Drug Utilization Study with Focus on Abuse Potential
Schjerning O, Pottegård A, Damkier P, Rosenzweig M, Nielsen J.
Pharmacopsychiatry. 2016 Jul;49(4):155-61

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Phenobarbital compared to benzodiazepines in alcohol withdrawal treatment: A register-based cohort study of subsequent benzodiazepine use, alcohol recidivism and mortality
Askgaard G, Hallas J, Fink-Jensen A, Molander AC, Madsen KG, Pottegård A.
Drug Alcohol Depend. 2016 Apr 1;161:258-64

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Intermediate-term and long-term mortality among acute medical patients hospitalized with community-acquired sepsis: a population-based study
Henriksen DP, Pottegård A, Laursen CB, Jensen TG, Hallas J, Pedersen C, Lassen AT.
Eur J Emerg Med. 2017 Dec;24(6):404-410

(o61)
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Long-term use of lithium and risk of colorectal adenocarcinoma: a nationwide case-control study
Pottegård A, Ennis ZN, Hallas J, Jensen BL, Madsen K, Friis S.
Br J Cancer. 2016 Mar 1;114(5):571-5

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Impact of Urate Level on Cardiovascular Risk in Allopurinol Treated Patients. A Nested Case-Control Study
Larsen KS, Pottegård A, Lindegaard HM, Hallas J.
PLOS One. 2016 Jan 11;11(1):e0146172

(o59)
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Association of Pre-Pregnancy Body Mass Index, Pregnancy-Related Weight Changes, and Parity With the Risk of Developing Degenerative Musculoskeletal Conditions
Bliddal M, Pottegård A, Kirkegaard H, Olsen J, Jørgensen JS, Sørensen TI, Dreyer L, Nohr EA.
Arthritis Rheumatol. 2016 May;68(5):1156-64

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Generic switching of warfarin and risk of excessive anticoagulation: a Danish nationwide cohort study
Hellfritzsch M, Rathe J, Stage TB, Thirstrup S, Grove EL, Damkier P, Pottegård A.
Pharmacoepidemiol Drug Saf. 2016 Mar;25(3):336-43

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Long-term use of statins and risk of renal cell carcinoma: A population-based case-control study
Pottegård A, Clark P, Friis S, Hallas J, Lund L.
Eur Urol. 2016 May;69(5):877-82

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Effect of Allopurinol on Cardiovascular Outcomes in Hyperuricemic Patients: A Cohort Study
Larsen KS, Pottegård A, Lindegaard HM, Hallas J
Am J Med. 2016 Mar;129(3):299-306.e2

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Initiation of glucose-lowering treatment decreases international normalized ratio levels among users of vitamin K antagonists: a self-controlled register study.
Stage TB, Pottegård A, Henriksen DP, Christensen MMH, Højlund K, Brøsen K, Damkier P.
J Thromb Haemost. 2016 Jan;14(1):129-33

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Is urate crystal precipitation a predictor of cardiovascular risk in hyperuricemic patients? A Danish cohort study
Larsen KS, Pottegård A, Lindegaard HM, Hallas J.
Arthritis Res Ther. 2015 Oct 29;17:304

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Comparison of the Five Danish Regions Regarding Demographic Characteristics, Healthcare Utilization, and Medication Use--A Descriptive Cross-Sectional Study
Henriksen DP, Rasmussen L, Hansen MR, Hallas J, Pottegård A.
PLOS One. 2015 Oct 6;10(10):e0140197

(o52)
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The potential drug-drug interaction between proton pump inhibitors and warfarin
Henriksen DP, Stage TB, Hansen MR, Rasmussen L, Damkier P, Pottegård A
Pharmacoepidemiol Drug Saf. 2015 Dec;24(12):1337-40

(o51)
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Use of Antibiotics and Risk of Type 2 Diabetes: A Population-Based Case-Control Study
Mikkelsen KH, Knop FK, Frost M, Hallas J, Pottegård A
J Clin Endocrinol Metab. 2015 Oct;100(10):3633-40

(o50)
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Improving Medication Adherence in Patients with Hypertension: A Randomized Trial
Hedegaard U, Kjeldsen LJ, Pottegård A, Henriksen JE, Lambrechtsen J, Hangaard J, Hallas J
Am J Med. 2015 Dec;128(12):1351-61

(o49)
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Deviant patterns of methylphenidate use in adults: a Danish nationwide registry-based drug utilization study
Rasmussen L, Zoëga H, Hallas J, Pottegård A
Pharmacoepidemiol Drug Saf. 2015 Nov;24(11):1189-96

(o48)
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Antithrombotic drugs and subarachnoid hemorrhage risk: A nationwide case-control study in Denmark
Pottegård A, García Rodríguez LA, Poulsen FR, Hallas J, Gaist D.
Thromb Haemost. 2015 Nov;114(5):1064-75

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Change in International Normalized Ratio Among Patients Treated With Dicloxacillin and Vitamin K Antagonists
Pottegård A, Henriksen DP, Madsen KG, Hellfritzsch M, Damkier P, Stage TB.
JAMA. 2015 Jul 21;314(3):296-7

(o46)
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Cardiovascular drugs and erectile dysfunction - a symmetry analysis.
Rasmussen L, Hallas J, Madsen KG, Pottegård A.
Br J Clin Pharmacol. 2015 Nov;80(5):1219-23

(o45)
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Mental disorders in motherhood according to prepregnancy BMI and pregnancy-related weight changes - a Danish cohort study
Bliddal M, Pottegård A, Kirkegaard H, Olsen J, Jørgensen JS, Sørensen TI, Wu C, Nohr EA.
J Affect Disord. 2015 Sep 1;183:322-9

(o44)
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Social adversity and regional differences in prescribing of ADHD medication for school-age children
Wallach-Kildemoes H, Skovgaard AM, Thielen K, Pottegård A, Mortensen LH.
J Dev Behav Pediatr. 2015 Jun;36(5):330-41

(o43)
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Long-term lithium use and risk of renal and upper urinary tract cancers
Pottegård A, Hallas J, Jensen BL, Madsen K, Friis S.
J Am Soc Nephrol. 2016 Jan;27(1):249-55

(o42)
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Use of acid-suppresive therapy before anti-reflux surgery in 2922 patients: A nationwide register-based study in Denmark
Lødrup AB, Pottegård A, Hallas J, Bytzer P.
Aliment Pharmacol Ther. 2015 Jul;42(1):84-90

(o41)
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Characteristics and drug utilization patterns for heavy users of prescription drugs among the elderly: A Danish register-based drug utilization study
Øymoen A, Pottegård A, Almarsdottir AB.
Eur J Clin Pharmacol. 2015 Jun;71(6):751-758

(o40)
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Risk factors for hospitalizations due to community-acquired sepsis - a population-based case-control study
Henriksen DP, Pottegård A, Laursen CB, Jensen TG, Hallas J, Pedersen C, Lassen AT.
PLOS One. 2015 Apr 21;10(4):e0124838

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Pharmacist-led medication review in an acute admissions unite: a systematic procedure description
Graabæk T, Bonnerup DK, Kjeldsen LJ, Rossing C, Pottegård A.
Eur J Hosp Pharm. 2015; 0:1-5

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Do patients initiate therapy? Primary non-adherence to statins and antidepressants in Iceland
Thengilsdottir G, Pottegård A, Linnet K, Halldórsson M, Almarsdottir AB, Gardarsdottir H.
Int J Clin Pract. 2015 May;69(5):597-603

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Multifaceted Intervention including Motivational Interviewing to Support Medication Adherence after Stroke/TIA: A Randomized Trial
Hedegaard U, Kjeldsen LJ, Pottegård A, Bak S, Hallas J.
Cerebrovasc Dis Extra. 2014 Dec 11;4(3):221-34

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SearCh for humourIstic and Extravagant acroNyms and Thoroughly Inappropriate names For Important Clinical trials (SCIENTIFIC): qualitative and quantitative systematic study
Pottegård A, Haastrup MB, Stage TB, Hansen MR, Larsen KS, Meegaard PM, Meegaard LH, Horneberg H, Gils C, Dideriksen D, Aagaard L, Almarsdottir AB, Hallas J, Damkier P.
BMJ. 2014 Dec 16;349:g7092

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Discontinuation of antiplatelet treatment and risk of recurrent stroke and all-cause death: a cohort study
Østergaard K, Pottegård A, Hallas J, Bak S, Christensen RP, Gaist D.
Neuroepidemiology. 2014;43(1):57-64

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Statin use and risk of non-melanoma skin cancer: a nationwide study in Denmark
Pedersen SA, Pottegård A, Friis S, Clemmensen O, Andersen KE, Hallas J, Gaist D.
Br J Cancer. 2015 Jan 6;112(1):153-6

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Pharmacoepidemiological assessment of drug interactions with vitamin K antagonists
Pottegård A, Christensen RP, Wang SV, Gagne JJ, Larsen TB, Hallas J.
Pharmacoepidemiol Drug Saf. 2014 Nov;23(11):1160-7

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Description of a practice model for pharmacist medication review in a general practice setting
Brandt M, Graabæk T, Hallas J, Pottegård A.
Pharm Pract (Granada). 2014 Jul;12(3):420

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Early discontinuation of ADHD drug treatment: A Danish nationwide drug utilization study
Pottegård A, Bjerregaard BK, Kortegaard LS, Zoëga H.
Basic Clin Pharmacol Toxicol. 2015 Apr;116(4):349-53

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Adherence to maintenance medication in asthma in patients admitted with acute asthma
Nguyen TC, Madsen H, Pottegård A, Lassen AT.
J Lung Pulm Respir Res. 2014 1(1): 00004

(o29)
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Use of antibiotics in children: a Danish nationwide drug utilization study
Pottegård A, Broe A, Aabenhus R, Bjerrum L, Hallas J, Damkier P.
Pediatr Infect Dis J. 2015 Feb;34(2):e16-22

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Long-term use of metformin and colorectal cancer risk in type II diabetics: A population-based case-control study
Cardel M, Jensen SM, Pottegård A, Jørgensen TL, Hallas J.
Cancer Med. 2014 Oct;3(5):1458-66

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Dynamics of Vitamin K-antagonist and new oral anticoagulants use in atrial fibrillation: A Danish drug utilization study
Pottegård A, Poulsen BK, Larsen MD, Hallas J.
J Thromb Haemost. 2014 Sep;12(9):1413-8

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Patient characteristics among users of analgesic over-the-counter aspirin in a Danish pharmacy setting
Pottegård A, Kviesgaard AK, Hesse U, Moreno SI, Hansen JH.
Int J Clin Pharm. 2014 Aug;36(4):693-6

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Children’s Relative Age in Class and Drug use for ADHD: A Danish Nationwide Study
Pottegård A, Hallas J, Hernández-Díaz S, Zoëga H.
J Child Psychol Psychiatry. 2014 Nov;55(11):1244-50

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Measures of “exposure needed for one additional patient to be harmed” in population-based case-control studies
Hallas J, Christensen RP, Stürmer T, Pottegård A.
Pharmacoepidemiol Drug Saf. 2014 Aug;23(8):868-74

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Primary non-Adherence in General Practice: A Danish Register Study
Pottegård A, Christensen RP, Houji A, Christiansen CB, Paulsen MS, Thomsen JL, Hallas J.
Eur J Clin Pharmacol. 2014 Jun;70(6):757-63

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Increasing use of antibiotics in pregnancy during the period 2000-2010: prevalence, timing, category, and demographics
Broe A, Pottegård A, Lamont RF, Jørgensen JS, Damkier P.
BJOG. 2014 Jul;121(8):988-96

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A nationwide study of ADHD drug use among adults in Iceland 2003-2012
Geirs DP, Pottegård A, Halldórsson M, Zoëga H.
Basic Clin Pharmacol Toxicol. 2014 Nov;115(5):417-22

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Chat-based telepharmacy in Denmark: design and early results
Ho I, Nielsen L, Jacobsgaard H, Salmasi H, Pottegård A.
Int J Pharm Pract. 2015 Feb;23(1):61-6

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Myastenia and risk of cancer: a population-based case-control study
Pedersen E, Pottegård A, Hallas J, Friis S, Hansen K, Jensen PEH, Gaist D.
Eur J Neurol. 2014 May;21(5):773-8

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Information on risk of constipation for Danish users of opioids, and their laxative use
Pottegård A, Knudsen TB, van Heesch K, Salmasi H, Schytte-Hansen S, Søndergaard J.
Int J Clin Pharm. 2014 Apr;36(2):291-4

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First trimester exposure to methylphenidate: a population based cohort study
Pottegård A, Hallas J, Andersen JT, Løkkegaard E, Dideriksen D, Aagaard L, Damkier P.
J Clin Psychiatry. 2014 Jan;75(1):e88-93

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Use of SSRIs among children: A Nationwide study
Pottegård A, Zoëga H, Hallas J, Damkier P.
Eur Child Adolesc Psychiatry. 2014 Dec;23(12):1211-8

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Use of proton pump inhibitors after anti-reflux surgery: A nationwide register-based follow-up study
Lødrup AB, Pottegård A, Hallas J, Bytzer P.
Gut. 2014 Oct;63(10):1544-9

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Risk of non-melanoma skin cancer in myasthenia patients treated with azathioprine
Pedersen E, Pottegård A, Hallas J, Friis S, Hansen K, Jensen PEH, Gaist D.
Eur J Neurol. 2014 Mar;21(3):454-8

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Use of exenatide and liraglutide in Denmark: A drug utilization study
Pottegård A, Bjerregaard BK, Larsen MD, Larsen KS, Hallas J, Knop FK, Moreno SI.
Eur J Clin Pharmacol. 2014 Feb;70(2):205-14

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Use of disulfiram and risk of cancer: a population-based case-control study
Askgaard G, Friis S, Hallas J, Thygesen LC, Pottegård A.
Eur J Cancer Prev. 2014 May;23(3):225-32

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Assigning exposure duration to single prescriptions by use of the waiting time distribution
Pottegård A, Hallas J.
Pharmacoepidemiol Drug Saf. 2013 Aug;22(8):803-9

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Use of azathioprine for non-thymoma myasthenia and risk of cancer: A nationwide case-control study in Denmark
Pedersen E, Pottegård A, Hallas J, Friis S, Hansen K, Jensen PEH, Gaist D.
Eur J Neurol. 2013 Jun;20(6):942-8

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Cancer risk in long-term users of vitamin K antagonists: A population-based case-control study
Pottegård A, Friis S, Hallas J.
Int J Cancer. 2013 Jun 1;132(11):2606-12

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Use of benzodiazepines or benzodiazepine related drugs and the risk of cancer: a population-based case-control study
Pottegård A, Friis S, Andersen M, Hallas J.
Br J Clin Pharmacol. 2013 May;75(5):1356-64

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Concurrent use of tramadol and oral vitamin K antagonists and the risk of excessive anticoagulation: a register-based nested case-control study
Pottegård A, Meegaard PM, Holck LHV, Christensen RP, Madsen H, Hallas J.
Eur J Clin Pharmacol. 2013 Mar;69(3):641-6

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The use of medication against attention deficit / hyperactivity disorder in Denmark: a drug use study from a patient perspective
Pottegård A, Bjerregaard BK, Glintborg D, Kortegaard LS, Hallas J, Moreno SI.
Eur J Clin Pharmacol. 2013 Mar;69(3):589-98

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The use of medication against attention deficit hyperactivity disorder in Denmark: a drug use study from a national perspective
Pottegård A, Bjerregaard BK, Glintborg D, Hallas J, Moreno SI.
Eur J Clin Pharmacol. 2012 Oct;68(10):1443-50

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Excessive anticoagulation with warfarin or phenprocoumon may have multiple causes
Meegaard PM, Holck LHV, Pottegård A, Madsen H, Hallas J.
Dan Med J. 2012 Feb;59(2):A4383

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Pharmaceutical interventions on prescription problems in a Danish pharmacy setting
Pottegård A, Hallas J, Søndergaard J.
Int J Clin Pharm. 2011 Dec;33(6):1019-27

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Physicians’ and pharmacies’ overview of patients’ medication. An analysis of fidelity coefficients.
Pottegård A, Hallas J.
Eur J Clin Pharmacol. 2011 Sep;67(9):919-24

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Children prefer bottled amoxicillin (in Danish)
Pottegård A, Hallas J
Ugeskr Laeger. 2010 Dec 13;172(50):3468-70

CONTACT INFORMATION

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