By Dr Andrea Schaffer

Journal articles

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, pp. e038181, 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, 86, pp. 1882 - 1887, 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; van Leeuwen M, 2020, 'Diagnostic and health service pathways to diagnosis of cancer-registry notified cancer of unknown primary site (CUP)', PLoS ONE, 15, pp. e0230373, http://dx.doi.org/10.1371/journal.pone.0230373

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

Schaffer AL; Buckley NA; Cairns R; Pearson S, 2019, 'Comparison of Prescribing Patterns before and after Implementation of a National Policy to Reduce Inappropriate Alprazolam Prescribing in Australia', JAMA Network Open, 2, pp. e1911590, http://dx.doi.org/10.1001/jamanetworkopen.2019.11590

Vajdic CM; Perez-Concha O; Rhee JJ; Dobbins T; Ward RL; Schaffer AL; van Leeuwen MT; Laaksonen MA; Craigen G; Pearson SA, 2019, 'Health-related predictors of cancer registry-notified cancer of unknown primary site (CUP)', Cancer Epidemiology, 61, pp. 1 - 7, http://dx.doi.org/10.1016/j.canep.2019.05.001

Vajdic CM; Perez-Concha O; Dobbins T; Ward RL; Schaffer AL; van Leeuwen MT; Rhee JJ; Laaksonen MA; Craigen G; Pearson SA, 2019, 'Demographic, social and lifestyle risk factors for cancer registry-notified cancer of unknown primary site (CUP)', Cancer Epidemiology, 60, pp. 156 - 161, http://dx.doi.org/10.1016/j.canep.2019.04.004

Tang M; Schaffer A; Pearson SA, 2019, 'Embracing the full spectrum of real-world data for cancer medicines research in Australia', Asia-Pacific Journal of Clinical Oncology, 15, pp. 186 - 187, http://dx.doi.org/10.1111/ajco.13121

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

Cairns R; Schaffer AL; Ryan N; Pearson SA; Buckley NA, 2019, 'Monitoring emerging prescription-drug related harms: a comment on Cairns et al. (2018)—in reply', Addiction, 114, pp. 572 - 573, http://dx.doi.org/10.1111/add.14531

Schaffer AL; Falster MO; Brieger D; Jorm LR; Wilson A; Hay M; Leeb K; Pearson S; Nasis A, 2019, 'Evidence-practice gaps in postdischarge initiation with oral anticoagulants in patients with atrial fibrillation', Journal of the American Heart Association, 8, pp. e014287, http://dx.doi.org/10.1161/JAHA.119.014287

Schaffer AL; Karanges EA; Buckley NA; Wilson A; Degenhardt L; Larance B; Pearson SA, 2019, 'Increases in controlled-release oxycodone utilisation following the subsidy of oxycodone with naloxone formulations: An Australian population-based study', Pharmacoepidemiology and Drug Safety, 28, pp. 97 - 105, http://dx.doi.org/10.1002/pds.4683

Morgan A; Joshy G; Schaffer A; Laba T-L; Litchfield M; Pearson S; Banks E, 2018, 'Rapid and substantial increases in anticoagulant use and expenditure in Australia following the introduction of new types of oral anticoagulants', PLoS ONE, 13, pp. e0208824, http://dx.doi.org/10.1371/journal.pone.0208824

Cairns R; Schaffer A; Ryan N; Pearson S; Buckley NA, 2018, 'Rising pregabalin use and misuse in Australia: trends in utilisation and intentional poisonings', Addiction, 114, pp. 1026 - 1034, http://dx.doi.org/10.1111/add.14412

Brett J; Schaffer A; Dobbins T; Buckley NA; Pearson SA, 2018, 'The impact of permissive and restrictive pharmaceutical policies on quetiapine dispensing: Evaluating a policy pendulum using interrupted time series analysis', Pharmacoepidemiology and Drug Safety, 27, pp. 439 - 446, http://dx.doi.org/10.1002/pds.4408

Schaffer A; Buckley NA; Degenhardt L; Larance B; Cairns R; Dobbins T; Pearson SA, 2018, 'Person-level changes in oxycodone use after the introduction of a tamper-resistant formulation in Australia', Canadian Medical Association Journal, 190, pp. E355 - E362, http://dx.doi.org/10.1503/cmaj.170666

Schaffer AL; Buckley NA; Pearson SA, 2017, 'Who benefits from fixed-dose combinations? Two-year statin adherence trajectories in initiators of combined amlodipine/atorvastatin therapy', Pharmacoepidemiology and Drug Safety, 26, pp. 1465 - 1473, http://dx.doi.org/10.1002/pds.4342

Joshi V; Adelstein BA; Schaffer A; Srasuebkul P; Dobbins T; Pearson SA, 2017, 'Validating a proxy for disease progression in metastatic cancer patients using prescribing and dispensing data', Asia-Pacific Journal of Clinical Oncology, 13, pp. e246 - e252, http://dx.doi.org/10.1111/ajco.12602

Schaffer AL; Buckley NA; Cairns R; Pearson SA, 2016, 'Interrupted time series analysis of the effect of rescheduling alprazolam in Australia: Taking control of prescription drug use', JAMA Internal Medicine, 176, pp. 1223 - 1225, http://dx.doi.org/10.1001/jamainternmed.2016.2992

Schaffer AL; Pearson SA; Buckley NA, 2016, 'How does prescribing for antihypertensive products stack up against guideline recommendations? An Australian population-based study (2006–2014)', British Journal of Clinical Pharmacology, 82, pp. 1134 - 1145, http://dx.doi.org/10.1111/bcp.13043

Mellish L; Karanges EA; Litchfield MJ; Schaffer AL; Blanch B; Daniels BJ; Segrave A; Pearson SA, 2015, 'The Australian Pharmaceutical Benefits Scheme data collection: A practical guide for researchers', BMC Research Notes, 8, pp. 634, http://dx.doi.org/10.1186/s13104-015-1616-8

Schaffer AL; Pearson SA; Dobbins TA; Er CC; Ward RL; Vajdic CM, 2015, 'Patterns of care and survival after a cancer of unknown primary (CUP) diagnosis: A population-based nested cohort study in Australian Government Department of Veterans' Affairs clients', Cancer Epidemiology, 39, pp. 578 - 584, http://dx.doi.org/10.1016/j.canep.2015.02.007

Schaffer AL; Buckley NA; Dobbins TA; Banks E; Pearson SA, 2015, 'The crux of the matter: Did the ABC’s catalyst program change Statin use in Australia?', Medical Journal of Australia, 202, pp. 591 - 595, http://dx.doi.org/10.5694/mja15.00103

Gnjidic D; Pearson SA; Hilmer SN; Basilakis J; Schaffer AL; Blyth FM; Banks E, 2015, 'Manual versus automated coding of free-text self-reported medication data in the 45 and Up Study: A validation study', Public Health Research and Practice, 25, http://dx.doi.org/10.17061/phrp2521518

Ganda K; Schaffer A; Seibel MJ, 2015, 'Predictors of re-fracture amongst patients managed within a secondary fracture prevention program: a 7-year prospective study', Osteoporosis International, 26, pp. 543 - 551, http://dx.doi.org/10.1007/s00198-014-2880-5

Vajdic CM; Ward RL, 2015, 'Health service utilisation and investigations before diagnosis of cancer of unknown primary (CUP): A population-based nested case-control study in Australian Government Department of Veterans' Affairs client', Cancer Epidemiology, 39, pp. 585 - 592

Vajdic CM; Er CC; Schaffer A; Dobbins T; Wyld L; Meagher NS; Barrett J; Ward RL; Pearson SA, 2014, 'An audit of cancer of unknown primary notifications: A cautionary tale for population health research using cancer registry data', Cancer Epidemiology, 38, pp. 460 - 464, http://dx.doi.org/10.1016/j.canep.2014.05.004

Ganda K; Schaffer A; Pearson S; Seibel MJ, 2014, 'Compliance and persistence to oral bisphosphonate therapy following initiation within a secondary fracture prevention program: A randomised controlled trial of specialist vs. non-specialist management', Osteoporosis International, 25, pp. 1345 - 1355, http://dx.doi.org/10.1007/s00198-013-2610-4

Pearson SA; Schaffer A, 2014, 'The use and impact of cancer medicines in routine clinical care: Methods and observations in a cohort of elderly Australians', BMJ Open, 4, pp. e004099, http://dx.doi.org/10.1136/bmjopen-2013-004099

Joshi V; Adelstein B-A; Schaffer A; Srasuebkul P; Dobbins T; Pearson S-A, 2013, 'A Proxy of Cancer Progression in Dispensing Claims: Validation and Performance', PHARMACOEPIDEMIOLOGY AND DRUG SAFETY, 22, pp. 221 - 222, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000334876101022&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Schaffer A; Muscatello D; Cretikos M; Gilmour R; Tobin S; Ward J, 2012, 'The impact of influenza A(H1N1)pdm09 compared with seasonal influenza on intensive care admissions in New South Wales, Australia, 2007 to 2010: A time series analysis', BMC Public Health, 12, pp. 869, http://dx.doi.org/10.1186/1471-2458-12-869

Schaffer A; Muscatello D; Broome R; Corbett S; Smith W, 2012, 'Emergency department visits, ambulance calls, and mortality associated with an exceptional heat wave in Sydney, Australia, 2011: A time-series analysis', Environmental Health: A Global Access Science Source, 11, pp. 3, http://dx.doi.org/10.1186/1476-069X-11-3

Schaffer A; Brotherton J; Booy R, 2007, 'Do human papillomavirus vaccines have any role in newborns and the prevention of recurrent respiratory papillomatosis in children?', Journal of Paediatrics and Child Health, 43, pp. 579 - 580, http://dx.doi.org/10.1111/j.1440-1754.2007.01205.x

Schaffer A; Koushik A; Trottier H; Duarte-Franco E; Mansour N; Arseneau J; Provencher D; Gilbert L; Gotlieb W; Ferenczy A; Coutlée F; Pollak MN; Franco EL; Matlashewski G; Roger M; Piché S; Capek A; Juras A; Michon B; Florakas C; Landry D; Grandmont D; L'Heureux D; Dalton D; Queiros E; Dauth E; Leclerc F; Stanimir G; Hum HS; Czitrom JP; Dubuc-Lissoir J; Lord J; Mayrand MH; Dupuis MJ; Martin M; Roleau M; Plamondon M; Fournier P; Gauthier P; Drouin P; Fournier P; Jeanbart P; Shatz R; Piché R; Hunt R, 2007, 'Insulin-like growth factor-I and risk of high-grade cervical intraepithelial neoplasia', Cancer Epidemiology Biomarkers and Prevention, 16, pp. 716 - 722, http://dx.doi.org/10.1158/1055-9965.EPI-06-0924

Brotherton J; Wang H; Schaffer A; Quinn H; Menzies R; Hull B; Lawrence GL; Wood J; Wood N; Rosewell A; Newall AT; MacIntyre CR; Macartney K; Gidding HF; McIntyre P; Booy R, 2007, 'Vaccine preventable diseases and vaccination coverage in Australia, 2003 to 2005', Annual report of the Australian Meningococcal Surveillance Programme, 2007--Amended, 31, pp. S1 - S152

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