By Associate Professor Helga Zoega

Journal articles

Cohen JM; Cesta CE; Furu K; Einarsdóttir K; Gissler M; Havard A; Hernandez-Diaz S; Huybrechts KF; Kieler H; Leinonen MK; Li J; Reutfors J; Schaffer A; Selmer R; Yu Y; Zoega H; Karlstad Ø, 2020, 'Prevalence trends and individual patterns of antiepileptic drug use in pregnancy 2006-2016: A study in the five Nordic countries, United States, and Australia', Pharmacoepidemiology and Drug Safety, 29, pp. 913 - 922, http://dx.doi.org/10.1002/pds.5035

Reutfors J; Cesta CE; Cohen JM; Bateman BT; Brauer R; Einarsdóttir K; Engeland A; Furu K; Gissler M; Havard A; Hernandez-Diaz S; Huybrechts KF; Karlstad Ø; Leinonen MK; Li J; Man KKC; Pazzagli L; Schaffer A; Schink T; Wang Z; Yu Y; Zoega H; Bröms G, 2020, 'Antipsychotic drug use in pregnancy: A multinational study from ten countries', Schizophrenia Research, 220, pp. 106 - 115, http://dx.doi.org/10.1016/j.schres.2020.03.048

Favell DL; Tang M; Daniels B; Vajdic CM; Zoega H; Pearson SA, 2020, 'Capture of systemic anticancer medicines in pharmaceutical benefits scheme (PBS) data likely higher than previously reported', Public Health Research and Practice, 30, http://dx.doi.org/10.17061/phrp3022013

Hálfdánarson Ó; Pottegård A; Lund SH; Ogmundsdottir MH; Ogmundsdottir HM; Zoega H, 2020, 'Use of proton pump inhibitors and mortality among Icelandic patients with prostate cancer', Basic and Clinical Pharmacology and Toxicology, 126, pp. 484 - 491, http://dx.doi.org/10.1111/bcpt.13379

Bruno C; Pearson SA; Daniels B; Buckley NA; Schaffer A; Zoega H, 2020, 'Passing the acid test? Evaluating the impact of national education initiatives to reduce proton pump inhibitor use in Australia', BMJ Quality and Safety, 29, pp. 365 - 373, http://dx.doi.org/10.1136/bmjqs-2019-009897

Raichand S; Pearson SA; Zoega H; Buckley NA; Havard A, 2020, 'Utilisation of teratogenic medicines before and during pregnancy in Australian women', Australian and New Zealand Journal of Obstetrics and Gynaecology, 60, pp. 218 - 224, http://dx.doi.org/10.1111/ajo.13044

Daniels B; Pearson SA; Buckley NA; Bruno C; Zoega H, 2020, 'Long-term use of proton-pump inhibitors: whole-of-population patterns in Australia 2013–2016', Therapeutic Advances in Gastroenterology, 13, http://dx.doi.org/10.1177/1756284820913743

Cesta CE; Cohen JM; Pazzagli L; Bateman BT; Bröms G; Einarsdóttir K; Furu K; Havard A; Heino A; Hernandez-DIaz S; Huybrechts KF; Karlstad Ø; Kieler H; Li J; Leinonen MK; Gulseth HL; Tran D; Yu Y; Zoega H; Odsbu I, 2019, 'Antidiabetic medication use during pregnancy: An international utilization study', BMJ Open Diabetes Research and Care, 7, pp. e000759, http://dx.doi.org/10.1136/bmjdrc-2019-000759

Bateman BT; Huybrechts KF; Hernandez-Diaz S; Kieler H; Zoega H, 2019, 'Β-blocker use in pregnancy and the risk for congenital malformations in response', Annals of Internal Medicine, 170, pp. 909 - 910, http://dx.doi.org/10.7326/L19-0157

Schaffer AL; Zoega H; Tran DT; Buckley NA; Pearson S; Havard A, 2019, 'Trajectories of antipsychotic use before and during pregnancy and associated maternal and birth characteristics', Australian & New Zealand Journal of Psychiatry, 53, pp. 000486741984776 - 000486741984776, http://dx.doi.org/10.1177/0004867419847764

Han D; Narayan SW; Zoega H; Litchfield M; Buckley NA; Pearson SA; Schaffer AL, 2019, 'Anticipating the effects of restricting high-dose preparations of strong opioids in Australia: A population-based analysis to inform the current policy debate', Pharmacoepidemiology and Drug Safety, 28, pp. 521 - 527, http://dx.doi.org/10.1002/pds.4755

Hálfdánarson Ó; Fall K; Ogmundsdottir MH; Lund SH; Steingrímsson E; Ogmundsdottir HM; Zoega H, 2019, 'Proton pump inhibitor use and risk of breast cancer, prostate cancer, and malignant melanoma: An Icelandic population-based case-control study', Pharmacoepidemiology and Drug Safety, 28, pp. 471 - 478, http://dx.doi.org/10.1002/pds.4702

Kristensen KB; Karlstad Ø; Martikainen JE; Pottegård A; Wastesson JW; Zoega H; Schmidt M, 2019, 'Nonaspirin Nonsteroidal Antiinflammatory Drug Use in the Nordic Countries from a Cardiovascular Risk Perspective, 2000–2016: A Drug Utilization Study', Pharmacotherapy, 39, pp. 150 - 160, http://dx.doi.org/10.1002/phar.2217

Narayan SW; Pearson SA; Litchfield M; Le Couteur DG; Buckley N; McLachlan AJ; Zoega H, 2019, 'Anticholinergic medicines use among older adults before and after initiating dementia medicines', British Journal of Clinical Pharmacology, 85, pp. 1957 - 1963, http://dx.doi.org/10.1111/bcp.13976

Brett J; Zoega H; Buckley NA; Daniels BJ; Elshaug AG; Pearson SA, 2018, 'Choosing wisely? Quantifying the extent of three low value psychotropic prescribing practices in Australia', BMC Health Services Research, 18, pp. 1009, http://dx.doi.org/10.1186/s12913-018-3811-5

Swift EM; Tomasson G; Gottfreðsdóttir H; Einarsdóttir K; Zoega H, 2018, 'Obstetric interventions, trends, and drivers of change: A 20-year population-based study from Iceland', Birth, 45, pp. 368 - 376, http://dx.doi.org/10.1111/birt.12353

Bateman BT; Heide-Jørgensen U; Einarsdóttir K; Engeland A; Furu K; Gissler M; Hernandez-Diaz S; Kieler H; Lahesmaa-Korpinen AM; Mogun H; Nørgaard M; Reutfors J; Selmer R; Huybrechts KF; Zoega H, 2018, 'β-Blocker use in pregnancy and the risk for congenital malformations: An international cohort study', Annals of Internal Medicine, 169, pp. 665 - 673, http://dx.doi.org/10.7326/M18-0338

Sverrisson FA; Bateman BT; Aspelund T; Skulason S; Zoega H, 2018, 'Preeclampsia and academic performance in children: A nationwide study from Iceland', PLoS ONE, 13, pp. e0207884, http://dx.doi.org/10.1371/journal.pone.0207884

Ahmed B; Tran DT; Zoega H; Kennedy SE; Jorm LR; Havard A, 2018, 'Maternal and perinatal outcomes associated with the use of renin-angiotensin system (RAS) blockers for chronic hypertension in early pregnancy', Pregnancy Hypertension, 14, pp. 156 - 161, http://dx.doi.org/10.1016/j.preghy.2018.09.010

Raman SR; Man KKC; Bahmanyar S; Berard A; Bilder S; Boukhris T; Bushnell G; Crystal S; Furu K; KaoYang YH; Karlstad Ø; Kieler H; Kubota K; Lai ECC; Martikainen JE; Maura G; Moore N; Montero D; Nakamura H; Neumann A; Pate V; Pottegård A; Pratt NL; Roughead EE; Macias Saint-Gerons D; Stürmer T; Su CC; Zoega H; Sturkenbroom MCJM; Chan EW; Coghill D; Ip P; Wong ICK, 2018, 'Trends in attention-deficit hyperactivity disorder medication use: a retrospective observational study using population-based databases', The Lancet Psychiatry, 5, pp. 824 - 835, http://dx.doi.org/10.1016/S2215-0366(18)30293-1

Wastesson JW; Martikainen JE; Zoëga H; Schmidt M; Karlstad Ø; Pottegård A, 2018, 'Trends in Use of Paracetamol in the Nordic Countries', Basic and Clinical Pharmacology and Toxicology, 123, pp. 301 - 307, http://dx.doi.org/10.1111/bcpt.13003

Ahmed B; Zoega H; Havard A, 2018, 'Renin-angiotensin system blockers in early pregnancy among women with chronic hypertension: Getting to the heart of the risk-benefit equation', International Journal of Epidemiology, 47, pp. 683 - 686, http://dx.doi.org/10.1093/ije/dyy066

Huybrechts KF; Bröms G; Christensen LB; Einarsdóttir K; Engeland A; Furu K; Gissler M; Hernandez-Diaz S; Karlsson P; Karlstad Ø; Kieler H; Lahesmaa-Korpinen AM; Mogun H; Nørgaard M; Reutfors J; Sørensen HT; Zoega H; Bateman BT, 2018, 'Association between methylphenidate and amphetamine use in pregnancy and risk of congenital malformations: A cohort study from the international pregnancy safety study consortium', JAMA Psychiatry, 75, pp. 167 - 175, http://dx.doi.org/10.1001/jamapsychiatry.2017.3644

Hálfdánarson Ó; Pottegård A; Björnsson ES; Lund SH; Ogmundsdottir MH; Steingrímsson E; Ogmundsdottir HM; Zoega H; Halfdanarson OO, 2018, 'Proton-pump inhibitors among adults: a nationwide drug-utilization study', Therapeutic Advances in Gastroenterology, 11, pp. 1756284818777943, http://dx.doi.org/10.1177/1756284818777943

Rasmussen L; Zoega H; Hallas J; Pottegard A, 2017, 'Deviant patterns of methylphenidate use in adults: a Danish nationwide registry-based drug utilization study (vol 24, pg 1189, 2015)', PHARMACOEPIDEMIOLOGY AND DRUG SAFETY, 26, pp. 1571 - 1573, http://dx.doi.org/10.1002/pds.4348

Hálfdánarson Ó; Zoëga H; Aagaard L; Bernardo M; Brandt L; Fusté AC; Furu K; Garuoliené K; Hoffmann F; Huybrechts KF; Kalverdijk LJ; Kawakami K; Kieler H; Kinoshita T; Litchfield M; López SC; Machado-Alba JE; Machado-Duque ME; Mahesri M; Nishtala PS; Pearson SA; Reutfors J; Saastamoinen LK; Sato I; Schuiling-Veninga CCM; Shyu YC; Skurtveit S; Verdoux H; Wang LJ; Yahni CZ; Bachmann CJ; Zoega H; Halfdanarson OO, 2017, 'International trends in antipsychotic use: A study in 16 countries, 2005–2014', European Neuropsychopharmacology, 27, pp. 1064 - 1076, http://dx.doi.org/10.1016/j.euroneuro.2017.07.001

Brett J; Karanges EA; Daniels B; Buckley NA; Schneider C; Nassir A; Zoega H; McLachlan AJ; Pearson SA, 2017, 'Psychotropic medication use in Australia, 2007 to 2015: Changes in annual incidence, prevalence and treatment exposure', Australian and New Zealand Journal of Psychiatry, 51, pp. 990 - 999, http://dx.doi.org/10.1177/0004867417721018

Bachmann CJ; Aagaard L; Bernardo M; Brandt L; Cartabia M; Clavenna A; Coma Fusté A; Furu K; Garuoliené K; Hoffmann F; Hollingworth S; Huybrechts KF; Kalverdijk LJ; Kawakami K; Kieler H; Kinoshita T; López SC; Machado-Alba JE; Machado-Duque ME; Mahesri M; Nishtala PS; Piovani D; Reutfors J; Saastamoinen LK; Sato I; Schuiling-Veninga CCM; Shyu YC; Siskind D; Skurtveit S; Verdoux H; Wang LJ; Zara Yahni C; Zoëga H; Taylor D, 2017, 'International trends in clozapine use: a study in 17 countries', Acta Psychiatrica Scandinavica, 136, pp. 37 - 51, http://dx.doi.org/10.1111/acps.12742

Furu K; Karlstad Ø; Zoega H; Martikainen JE; Bahmanyar S; Kieler H; Pottegård A, 2017, 'Utilization of Stimulants and Atomoxetine for Attention-Deficit/Hyperactivity Disorder among 5.4 Million Children Using Population-Based Longitudinal Data', Basic and Clinical Pharmacology and Toxicology, 120, pp. 373 - 379, http://dx.doi.org/10.1111/bcpt.12724

Swift EM; Gottfredsdottir H; Zoega H; Gross MM; Stoll K, 2017, 'Opting for natural birth: A survey of birth intentions among young Icelandic women', Sexual and Reproductive Healthcare, 11, pp. 41 - 46, http://dx.doi.org/10.1016/j.srhc.2016.09.006

Karlstad Ø; Zoëga H; Furu K; Bahmanyar S; Martikainen JE; Kieler H; Pottegård A, 2016, 'Use of drugs for ADHD among adults—a multinational study among 15.8 million adults in the Nordic countries', European Journal of Clinical Pharmacology, 72, pp. 1507 - 1514, http://dx.doi.org/10.1007/s00228-016-2125-y

Selmer R; Haglund B; Furu K; Andersen M; Nørgaard M; Zoëga H; Kieler H, 2016, 'Individual-based versus aggregate meta-analysis in multi-database studies of pregnancy outcomes: the Nordic example of selective serotonin reuptake inhibitors and venlafaxine in pregnancy', Pharmacoepidemiology and Drug Safety, 25, pp. 1160 - 1169, http://dx.doi.org/10.1002/pds.4033

Jóhannsdóttir V; Gudmundsson S; Möller E; Aspelund T; Zoëga H, 2016, 'Blood donors in Iceland: A nationwide population-based study from 2005 to 2013', Transfusion, 56, pp. 1654 - 1661, http://dx.doi.org/10.1111/trf.13522

Luque-Fernandez MA; Zoega H; Valdimarsdottir U; Williams MA, 2016, 'Deconstructing the smoking-preeclampsia paradox through a counterfactual framework', European Journal of Epidemiology, 31, pp. 613 - 623, http://dx.doi.org/10.1007/s10654-016-0139-5

Shapiro JM; Zoega H; Shah SA; Bright RM; Mallette M; Moniz H; Grabert SA; Bancroft B; Merrick M; Flowers NT; Samad Z; Lidofsky S; Leleiko NS; Sands BE, 2016, 'Incidence of Crohn's disease and ulcerative colitis in Rhode Island: Report from the ocean state Crohn's and colitis area registry', Inflammatory Bowel Diseases, 22, pp. 1456 - 1461, http://dx.doi.org/10.1097/MIB.0000000000000745

Hoshen MB; Benis A; Keyes KM; Zoëga H, 2016, 'Stimulant use for ADHD and relative age in class among children in Israel', Pharmacoepidemiology and Drug Safety, 25, pp. 652 - 660, http://dx.doi.org/10.1002/pds.3962

Gudnadóttir TA; Bateman BT; Hernádez-Díaz S; Luqu-Fernandez MA; Valdimarsdottir U; Zoega H, 2016, 'Body mass index, smoking and hypertensive disorders during pregnancy: A population based case-control study', PLoS ONE, 11, http://dx.doi.org/10.1371/journal.pone.0152187

Zoega H; Kieler H; Norgaard M; Furu K; Valdimarsdottir U; Brandt L; Haglund B, 2015, 'Use of SSRI and SNRI antidepressants during pregnancy: A population-based study from Denmark, Iceland, Norway and Sweden', PLoS ONE, 10, http://dx.doi.org/10.1371/journal.pone.0144474

Ludvigsson JF; Håberg SE; Knudsen GP; Lafolie P; Zoega H; Sarkkola C; von Kraemer S; Weiderpass E; Nørgaard M, 2015, 'Ethical aspects of registry-based research in the Nordic countries', Clinical Epidemiology, 7, pp. 491 - 508, http://dx.doi.org/10.2147/CLEP.S90589

Rasmussen L; Zoëga H; Hallas J; Pottegård A, 2015, 'Deviant patterns of methylphenidate use in adults: A Danish nationwide registry-based drug utilization study', Pharmacoepidemiology and Drug Safety, 24, pp. 1189 - 1196, http://dx.doi.org/10.1002/pds.3852

Kieler H; Malm H; Artama M; Engeland A; Furu K; Gissler M; Nørgaard M; Stephansson O; Valdimarsdottir U; Zoega H; Haglund B, 2015, 'Use of antidepressants and association with elective termination of pregnancy: Population based case-control study', BJOG: An International Journal of Obstetrics and Gynaecology, 122, pp. 1618 - 1624, http://dx.doi.org/10.1111/1471-0528.13164

Eiríksdóttir VH; Valdimarsdóttir UA; Ásgeirsdóttir TL; Hauksdóttir A; Lund SH; Bjarnadóttir RI; Cnattingius S; Zoëga H, 2015, 'Pregnancy-induced hypertensive disorders before and after a national economic collapse: A population based cohort study', PLoS ONE, 10, http://dx.doi.org/10.1371/journal.pone.0138534

Furu K; Kieler H; Haglund B; Engeland A; Selmer R; Stephansson O; Valdimarsdottir UA; Zoega H; Artama M; Gissler M; Malm H; Nørgaard M, 2015, 'Selective serotonin reuptake inhibitors and venlafaxine in early pregnancy and risk of birth defects: Population based cohort study and sibling design', Obstetrical and Gynecological Survey, 70, pp. 553 - 554, http://dx.doi.org/10.1097/01.ogx.0000471597.68671.1e

Furu K; Kieler H; Haglund B; Engeland A; Selmer R; Stephansson O; Valdimarsdottir UA; Zoega H; Artama M; Gissler M; Malm H; Norgaard M, 2015, 'Selective Serotonin Reuptake Inhibitors and Venlafaxine in Early Pregnancy and Risk of Birth Defects: Population Based Cohort Study and Sibling Design', OBSTETRICAL & GYNECOLOGICAL SURVEY, 70, pp. 553 - 554, http://dx.doi.org/10.1097/01.ogx.0000471597.68671.1e

Eiríksdóttir VH; Valdimarsdóttir UA; Ásgeirsdóttir TL; Gísladóttir A; Lund SH; Hauksdóttir A; Zoëga H, 2015, 'Smoking and obesity among pregnant women in Iceland 2001-2010', European Journal of Public Health, 25, pp. 638 - 643, http://dx.doi.org/10.1093/eurpub/ckv047

Furu K; Kieler H; Haglund B; Engeland A; Selmer R; Stephansson O; Valdimarsdottir UA; Zoega H; Artama M; Gissler M; Malm H; Nørgaard M, 2015, 'Selective serotonin reuptake inhibitors and venlafaxine in early pregnancy and risk of birth defects: Population based cohort study and sibling design', BMJ (Online), 350, http://dx.doi.org/10.1136/bmj.h1798

Pottegård A; Bjerregaard BK; Kortegaard LS; Zoëga H, 2015, 'Early discontinuation of attention-deficit/hyperactivity disorder drug treatment: A danish nationwide drug utilization study', Basic and Clinical Pharmacology and Toxicology, 116, pp. 349 - 353, http://dx.doi.org/10.1111/bcpt.12325

Pottegard A; Hallas J; Hernandez-Diaz S; Zoëga H, 2014, 'Letter to the editor: Danish ADHD data sets', Journal of Child Psychology and Psychiatry and Allied Disciplines, 55, pp. e6, http://dx.doi.org/10.1111/jcpp.12361

Pottegård A; Zoëga H; Hallas J; Damkier P, 2014, 'Use of SSRIs among Danish children: a nationwide study', European Child and Adolescent Psychiatry, 23, pp. 1211 - 1218, http://dx.doi.org/10.1007/s00787-014-0523-1

Geirs DPA; Pottegård A; Halldórsson M; Zoëga H, 2014, 'A nationwide study of attention-deficit/hyperactivity disorder drug use among adults in Iceland 2003-2012', Basic & clinical pharmacology & toxicology, 115, pp. 417 - 422, http://dx.doi.org/10.1111/bcpt.12243

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