Select Publications

Journal articles

Cohen JM; Alvestad S; Suarez EA; Schaffer A; Selmer RM; Havard A; Bateman BT; Cesta CE; Zoega H; Odsbu I; Huybrechts KF; Kjerpeseth LJ; Straub L; Leinonen MK; Bjørk MH; Nørgaard M; Gissler M; Ulrichsen SP; Hernandez-Diaz S; Tomson T; Furu K, 2024, 'Comparative Risk of Major Congenital Malformations With Antiseizure Medication Combinations vs Valproate Monotherapy in Pregnancy', Neurology, 102, pp. e207996, http://dx.doi.org/10.1212/WNL.0000000000207996

Camacho X; Schaffer AL; Brett J; Pratt N; Buckley NA; Henry D; Pearson SA, 2024, 'Quality use of publicly subsidised tapentadol in Australia: a population-based analysis', Internal Medicine Journal, http://dx.doi.org/10.1111/imj.16335

Zhong X; Ashiru-Oredope D; Pate A; Martin GP; Sharma A; Dark P; Felton T; Lake C; MacKenna B; Mehrkar A; Bacon SCJ; Massey J; Inglesby P; Goldacre B; Walker AJ; Curtis HJ; Morley J; Hickman G; Croker R; Evans D; Ward T; DeVito NJ; Fisher L; Green ACA; Smith RM; Hulme WJ; Davy S; Andrews CD; Hopcroft LEM; Dillingham I; Higgins R; Cunningham C; Wiedemann M; Nab L; Maude S; Macdonald O; Butler-Cole BFC; O'Dwyer T; Stables CL; Wood C; Brown AD; Speed V; Bridges L; Schaffer AL; Walters CE; Bates C; Cockburn J; Parry J; Hester F; Harper S; Hand K; Bladon S; Cunningham N; Gilham E; Brown CS; Mirfenderesky M; Palin V; van Staa TP, 2023, 'Clinical and health inequality risk factors for non-COVID-related sepsis during the global COVID-19 pandemic: a national case-control and cohort study', eClinicalMedicine, 66, http://dx.doi.org/10.1016/j.eclinm.2023.102321

Ainsworth B; Horwood J; Walter SR; Miller S; Chalder M; De Vocht F; Denison-Day J; Elwenspoek MMC; Curtis HJ; Bates C; Mehrkar A; Bacon S; Goldacre B; Walker AJ; MacKenna B; Inglesby P; Morton CE; Morley J; Hickman G; Croker R; Evans D; Ward T; DeVito NJ; Fisher L; Green ACA; Massey J; Smith RM; Hulme WJ; Davy S; Andrews CD; Hopcroft LEM; Drysdale H; Dillingham I; Park RY; Higgins R; Cunningham C; Wiedemann M; Nab L; Maude S; Butler-Cole BFC; O’Dwyer T; Stables CL; Wood C; Brown AD; Speed V; Bridges L; Schaffer AL; Walters CE; Rentsch CT; Bhaskaran K; Schultze A; Williamson EJ; McDonald HI; Tomlinson LA; Eggo RM; Wing K; Wong AYS; Tazare J; Grint DJ; Langan S; Mansfield KE; Douglas IJ; Evans SJW; Smeeth L; Walker JL; Mahalingasivam V; Cowling TE; Herrett EL; Costello RE; Zheng B; Parker EPK; Mathur R; Forbes H; Cockburn J; Parry J; Hester F; Harper S; Craggs P; Amlôt R; Francis N; Little P; Macleod J; Moore M; Morton K; Rice C; Sterne J; Stuart B; Towler L; Willcox ML; Yardley L, 2023, 'Implementing Germ Defence digital behaviour change intervention via all primary care practices in England to reduce respiratory infections during the COVID-19 pandemic: an efficient cluster randomised controlled trial using the OpenSAFELY platform', Implementation Science, 18, http://dx.doi.org/10.1186/s13012-023-01321-z

Zheng B; Tazare J; Nab L; Green AC; Curtis HJ; Mahalingasivam V; Herrett EL; Costello RE; Eggo RM; Speed V; Bacon SC; Bates C; Parry J; Cockburn J; Hester F; Harper S; Schaffer AL; Hulme WJ; Mehrkar A; Evans SJ; MacKenna B; Goldacre B; Douglas IJ; Tomlinson LA, 2023, 'Comparative effectiveness of nirmatrelvir/ritonavir versus sotrovimab and molnupiravir for preventing severe COVID-19 outcomes in non-hospitalised high-risk patients during Omicron waves: observational cohort study using the OpenSAFELY platform', The Lancet Regional Health - Europe, 34, http://dx.doi.org/10.1016/j.lanepe.2023.100741

Lim JS; Buckley NA; Cairns R; Schumann J; Schaffer AL; Chitty KM, 2023, 'Substances Detected during Coroner Postmortem Toxicology Analyses in Poisoning- and Nonpoisoning-Related Suicides', JAMA Psychiatry, 80, pp. 1121 - 1130, http://dx.doi.org/10.1001/jamapsychiatry.2023.2289

Chitty KM; Sperandei S; Carter GL; Ali Z; Raubenheimer JE; Schaffer AL; Page A; Buckley NA, 2023, 'Five healthcare trajectories in the year before suicide and what they tell us about opportunities for prevention: a population-level case series study', eClinicalMedicine, 63, http://dx.doi.org/10.1016/j.eclinm.2023.102165

Schaffer AL; Gisev N; Blyth FM; Buckley NA; Currow D; Dobbins TA; Wilson A; Degenhardt L; Pearson SA, 2023, 'Opioid prescribing patterns among medical practitioners in New South Wales, Australia', Drug and Alcohol Review, 42, pp. 1472 - 1481, http://dx.doi.org/10.1111/dar.13675

Gisev N; Buizen L; Hopkins RE; Schaffer AL; Daniels B; Bharat C; Dobbins T; Larney S; Blyth F; Currow DC; Wilson A; Pearson SA; Degenhardt L, 2023, 'Five-Year Trajectories of Prescription Opioid Use', JAMA Network Open, 6, pp. E2328159, http://dx.doi.org/10.1001/jamanetworkopen.2023.28159

Chitty KM; Buckley NA; Lim J; Ali Z; Schumann JL; Cairns R; Daniels B; Pearson SA; Preen DB; Schaffer AL, 2023, 'Psychotropic and other medicine use at time of death by suicide: a population-level analysis of linked dispensing and forensic toxicology data', Medical Journal of Australia, 219, pp. 63 - 69, http://dx.doi.org/10.5694/mja2.51985

Costa JDO; Lin J; Pearson SA; Buckley NA; Schaffer AL; Falster MO, 2023, 'Persistence and Adherence to Cardiovascular Medicines in Australia', Journal of the American Heart Association, 12, http://dx.doi.org/10.1161/JAHA.122.030264

Costello RE; Tazare J; Herrett E; Parker EPK; Zheng B; Mansfield KE; Henderson AD; Carreira H; Bidulka P; Wong AYS; Warren-Gash C; Eggo RM; Tomlinson L; Langan SM; Mathur R; Piehlmaier D; MacKenna B; Mehrkar A; Hayes JF; Quint JK; Katikireddi SV; Mathur R; Chaturvedi N; Park C; Carnemolla A; Williams D; Knueppel A; Boyd A; Turner EL; Evans KM; Thomas R; Berman S; McLachlan S; Crane M; Whitehorn R; Oakley J; Foster D; Woodward H; Campbell KC; Timpson N; Kwong A; Soares AG; Griffith G; Toms R; Jones L; Annie H; Mitchell R; Palmer T; Sterne J; Walker V; Huntley L; Fox L; Denholm R; Knight R; Northstone K; Kanagaratnam A; Horne E; Forbes H; North T; Taylor K; Arab MAL; Walker S; Coronado JIC; Karthikeyan AS; Ploubidis G; Moltrecht B; Booth C; Parsons S; Wielgoszewska B; Bridger-Staatz C; Steves C; Thompson E; Garcia P; Cheetham N; Bowyer R; Freydin M; Roberts A; Goldacre B; Walker A; Morley J; Hulme W; Nab L; Fisher L; Andrews C; Curtis H; Hopcroft L; Green A; Patalay P; Maddock J; Patel K; Stafford J; Jacques W; Tilling K; Macleod J; McElroy E; Shah A; Silverwood R; Denaxas S, 2023, 'Ethnic differences in the indirect effects of the COVID-19 pandemic on clinical monitoring and hospitalisations for non-COVID conditions in England: a population-based, observational cohort study using the OpenSAFELY platform', eClinicalMedicine, 61, http://dx.doi.org/10.1016/j.eclinm.2023.102077

Carland JE; Stacy AE; Schaffer AL; Day RO; Brett J; Reuter SE; Stocker SL, 2023, 'Blood, dose recommendation reports and phone calls: Experiences of a therapeutic drug monitoring advisory service for vancomycin', British Journal of Clinical Pharmacology, 89, pp. 1896 - 1902, http://dx.doi.org/10.1111/bcp.15668

de Oliveira Costa J; Lau S; Medland N; Gibbons S; Schaffer AL; Pearson SA, 2023, 'Potential drug–drug interactions due to concomitant medicine use among people living with HIV on antiretroviral therapy in Australia', British Journal of Clinical Pharmacology, 89, pp. 1541 - 1553, http://dx.doi.org/10.1111/bcp.15614

Meier MH; Meier MA; Anderson SF; Schaffer AL; Waddell JT; Roman BA; Poling SL; Barton EA, 2023, 'The effects of the 4/20 cannabis holiday and adult-use cannabis legalization on medical cannabis sales and medical cannabis patient registration in Arizona', International Journal of Drug Policy, 114, http://dx.doi.org/10.1016/j.drugpo.2023.103974

Camacho X; Zoega H; Gomes T; Schaffer AL; Henry D; Pearson S-A; Vigod S; Havard A, 2022, 'The association between psychostimulant use in pregnancy and adverse maternal and neonatal outcomes: results from a distributed analysis in two similar jurisdictions.', International Journal of Epidemiology, 52, pp. 190 - 202, http://dx.doi.org/10.1093/ije/dyac180

Schaffer AL; Bruno C; Buckley NA; Cairns R; Litchfield M; Paget S; Zoega H; Nassar N; Pearson SA, 2022, 'Prescribed medicine use and extent of off-label use according to age in a nationwide sample of Australian children', Paediatric and Perinatal Epidemiology, 36, pp. 726 - 737, http://dx.doi.org/10.1111/ppe.12870

Camacho X; Schaffer A; Buckley N; Pratt N; Brett J; Henry D; Pearson S-A, 2022, 'Trends in dispensing and utilisation of sustained-release tapentadol in Australia.', International Journal of Population Data Science, 7, http://dx.doi.org/10.23889/ijpds.v7i3.1978

Schaffer AL; Henry D; Zoega H; Elliott JH; Pearson SA, 2022, 'Changes in dispensing of medicines proposed for re-purposing in the first year of the COVID- 19 pandemic in Australia', PLoS ONE, 17, http://dx.doi.org/10.1371/journal.pone.0269482

Tang M; Lee CK; Lewis CR; Boyer M; Brown B; Schaffer A; Pearson SA; Simes RJ, 2022, 'Generalizability of immune checkpoint inhibitor trials to real-world patients with advanced non-small cell lung cancer', Lung Cancer, 166, pp. 40 - 48, http://dx.doi.org/10.1016/j.lungcan.2022.01.024

de Oliveira Costa J; Zhao Y; Pearson S; Schaffer A, 2022, 'Assessing the impact of implementing multiple adherence measures to antiretroviral therapy from dispensing data: a short report', AIDS Care: psychological and socio-medical aspects of AIDS-HIV, http://dx.doi.org/10.1080/09540121.2022.2050179

Gillies MB; Burgner DP; Ivancic L; Nassar N; Miller JE; Sullivan SG; Todd IMF; Pearson SA; Schaffer AL; Zoega H, 2022, 'Changes in antibiotic prescribing following COVID-19 restrictions: Lessons for post-pandemic antibiotic stewardship', British Journal of Clinical Pharmacology, 88, pp. 1143 - 1151, http://dx.doi.org/10.1111/bcp.15000

Daniels B; Schaffer A; Buckley NA; Bruno C; Jun M; Pearson SA; Zoega H, 2022, 'The impact of tightened prescribing restrictions on proton pump inhibitor use in Australia: An evaluation using interrupted time series analysis', Pharmacoepidemiology and Drug Safety, 31, pp. 370 - 378, http://dx.doi.org/10.1002/pds.5395

Falster MO; Schaffer AL; Wilson A; Nasis A; Jorm LR; Hay M; Leeb K; Pearson SA; Brieger D, 2022, 'Evidence-practice gaps in P2Y12 inhibitor use after hospitalisation for acute myocardial infarction: findings from a new population-level data linkage in Australia', Internal Medicine Journal, 52, pp. 249 - 258, http://dx.doi.org/10.1111/imj.15036

de Oliveira Costa J; Gillies MB; Schaffer AL; Peiris D; Zoega H; Pearson SA, 2022, 'Changes in antidepressant use in Australia: A nationwide analysis (2015–2021)', Australian and New Zealand Journal of Psychiatry, http://dx.doi.org/10.1177/00048674221079740

Murnion B; Schaffer A; Cairns R; Brett J, 2022, 'Gabapentinoids: repeating mistakes of the past?', Addiction, http://dx.doi.org/10.1111/add.15970

Schaffer AL; Chia J; Brett J; Pearson S; Falster MO, 2022, 'A nationwide study of multimedicine use in people treated with cardiovascular medicines in Australia', Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy, 42, pp. 828 - 836, http://dx.doi.org/10.1002/phar.2735

Schaffer AL; Dobbins TA; Pearson SA, 2021, 'Interrupted time series analysis using autoregressive integrated moving average (ARIMA) models: a guide for evaluating large-scale health interventions', BMC Medical Research Methodology, 21, http://dx.doi.org/10.1186/s12874-021-01235-8

Tang M; Daniels B; Aslam M; Schaffer A; Pearson SA, 2021, 'Changes in systemic cancer therapy in Australia during the COVID-19 pandemic: a population-based study', The Lancet Regional Health - Western Pacific, 14, http://dx.doi.org/10.1016/j.lanwpc.2021.100226

Welberry HJ; Jorm LR; Schaffer AL; Barbieri S; Hsu B; Harris MF; Hall J; Brodaty H, 2021, 'Psychotropic medicine prescribing and polypharmacy for people with dementia entering residential aged care: the influence of changing general practitioners', Medical Journal of Australia, 215, pp. 130 - 136, http://dx.doi.org/10.5694/mja2.51153

Tang M; Daniels B; Schaffer AL; Pearson SA, 2021, 'Real-world data to advance HER2-targeted cancer medicines research: Playing to the strengths of clinical registry and administrative data', Asia-Pacific Journal of Clinical Oncology, 17, pp. 414 - 415, http://dx.doi.org/10.1111/ajco.13554

Tang M; Pearson SA; Schaffer AL; Lewis CR; John T; Simes RJ; Lee CK, 2021, 'Are clinical trial eligibility criteria representative of older patients with lung cancer? A population-based data linkage study', Journal of Geriatric Oncology, 12, pp. 930 - 936, http://dx.doi.org/10.1016/j.jgo.2021.02.003

Tang M; Schaffer AL; Kiely BE; Daniels B; Lee CK; Simes RJ; Pearson SA, 2021, 'Cardiac assessment in Australian patients receiving (neo)adjuvant trastuzumab for HER2-positive early breast cancer: a population-based study', Breast Cancer Research and Treatment, 187, pp. 893 - 902, http://dx.doi.org/10.1007/s10549-021-06135-5

De Oliveira Costa J; Bruno C; Schaffer AL; Raichand S; Karanges EA; Pearson SA, 2021, 'The changing face of Australian data reforms: Impact on pharmacoepidemiology research', International Journal of Population Data Science, 6, http://dx.doi.org/10.23889/ijpds.v6i1.1418

Tervonen HE; Schaffer AL; Luckett T; Phillips J; Litchfield M; Todd A; Pearson SA, 2021, 'Patterns of opioid use in older people diagnosed with cancer in New South Wales, Australia', Pharmacoepidemiology and Drug Safety, 30, pp. 360 - 370, http://dx.doi.org/10.1002/pds.5081

Daniels B; Pearson SA; Buckley NA; Bruno C; Schaffer A; Zoega H, 2021, 'Coming to grips with seemingly conflicting results in programme evaluation: The devil's in the detail', BMJ Quality and Safety, 30, pp. 70 - 71, http://dx.doi.org/10.1136/bmjqs-2020-012118

Stocker SL; Carland JE; Reuter SE; Stacy AE; Schaffer AL; Stefani M; Lau C; Kirubakaran R; Yang JJ; Shen CFJ; Roberts DM; Marriott DJE; Day RO; Brett J, 2021, 'Evaluation of a Pilot Vancomycin Precision Dosing Advisory Service on Target Exposure Attainment Using an Interrupted Time Series Analysis', Clinical Pharmacology and Therapeutics, 109, pp. 212 - 221, http://dx.doi.org/10.1002/cpt.2113

Schaffer AL; Busingye D; Chidwick K; Brett J; Blogg S, 2021, 'Pregabalin prescribing patterns in Australian general practice, 2012–2018: a cross-sectional study', BJGP Open, 5, pp. 1 - 10, http://dx.doi.org/10.3399/bjgpopen20X101120

Tang M; Schaffer A; Kiely BE; Daniels B; Simes RJ; Lee CK; Pearson SA, 2020, 'Correction: Treatment patterns and survival in HER2-positive early breast cancer: a whole-of-population Australian cohort study (2007–2016) (British Journal of Cancer, (2019), 121, 11, (904-911), 10.1038/s41416-019-0612-5)', British Journal of Cancer, 123, pp. 868, http://dx.doi.org/10.1038/s41416-020-0908-5

Hsu B; Falster MO; Schaffer AL; Pearson S; Jorm L; Brieger DB, 2020, 'Antiplatelet therapy within 30 days of percutaneous coronary intervention with stent implantation', Medical Journal of Australia, 213, pp. 124 - 125, http://dx.doi.org/10.5694/mja2.50507

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

Zheng D; Brett J; Daniels B; Buckley NA; Pearson SA; Schaffer AL, 2020, 'Potentially inappropriate benzodiazepine use in Australian adults: A population-based study (2014–2017)', Drug and Alcohol Review, 39, pp. 575 - 582, http://dx.doi.org/10.1111/dar.13086

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

Chitty KM; Schumann JL; Schaffer A; Cairns R; Gonzaga NJ; Raubenheimer JE; Carter G; Page A; Pearson SA; Buckley NA, 2020, 'Australian Suicide Prevention using Health-Linked Data (ASHLi): Protocol for a population-based case series study', BMJ Open, 10, http://dx.doi.org/10.1136/bmjopen-2020-038181

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

Schaffer AL; Cairns R; Brown JA; Gisev N; Buckley NA; Pearson SA, 2020, 'Changes in sales of analgesics to pharmacies after codeine was rescheduled as a prescription only medicine', Medical Journal of Australia, 212, pp. 321 - 327, http://dx.doi.org/10.5694/mja2.50552

Chiu T; Brett J; Pearson S; Schaffer A, 2020, 'Patterns of pregabalin initiation and discontinuation after its subsidy in Australia', British Journal of Clinical Pharmacology, http://dx.doi.org/10.1111/bcp.14276

Cairns R; Schaffer AL; Brown JA; Pearson SA; Buckley NA, 2020, 'Codeine use and harms in Australia: evaluating the effects of re-scheduling', Addiction, 115, pp. 451 - 459, http://dx.doi.org/10.1111/add.14798

De Oliveira Costa J; Schaffer AL; Medland NA; Litchfield M; Narayan SW; Guy R; McManus H; Pearson SA, 2020, 'Adherence to Antiretroviral Regimens in Australia: A Nationwide Cohort Study', AIDS Patient Care and STDs, 34, pp. 81 - 91, http://dx.doi.org/10.1089/apc.2019.0278

Schaffer AL; Pearson SA; Perez-Concha O; Dobbins T; Ward RL; Leeuwen MTV; Rhee JJ; Laaksonen MA; Craigen G; Vajdic CM, 2020, 'Diagnostic and health service pathways to diagnosis of cancer-registry notified cancer of unknown primary site (CUP)', PLoS ONE, 15, http://dx.doi.org/10.1371/journal.pone.0230373


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