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Director, General Practice Research Group Dee Mangin

MB ChB DPH(Otago)
Director, McMaster University Sentinel and Information Collaboration (M.U.S.I.C.)


Research Interests

Dee Mangin is a New Zealand family physician who is currently Professor and Director of the Primary Care Research Group at the University of Otago, Christchurch. She is also the David Braley Nancy Gordon Chair in Family Medicine at McMaster University, Canada.

Her interests are rational prescribing, and the influences of science, policy and commerce on the nature of care.

Expertise spans generation of clinical evidence using randomised controlled trials, the effects of pharmaceutical company promotion to consumers and physicians, effective medicine use in older age, innovative models of general practice care and effective incorporation of evidence into patient-centered practice.

She has been a member of the Pharmaceutical and Therapeutic Products Advisory Committee.

Student Supervision

Nagham Ailabouni
Degree: PhD
Topic: De-prescribing discontinuation of unnecessary medicines in frail older people in New Zealand.
Supervisors: Dr June Tordoff, Professor Dee Mangin and Dr Prasad Nishtala


Abigail Boyer
Topic: Evaluation of Pegasus Health's "Stop Smoking Support Options" Programme
Supervisors: Dr Lynley Cook and Associate Professor Dee Mangin
Sponsor: Pegasus Health (Charitable) Ltd


Matthew Chamberlain
Topic: Psychological impact of September 2010 and subsequent earthquakes on Christchurch general practice patients.
Supervisors: Dee Mangin, Cerina Altenburg
Sponsor: The Royal New Zealand College of General Practitioners

Georgie Malcolm
Topic: Developing an evidence based pathway for UTI management in the primary/urgent care setting.
Supervisor: Dee Mangin
Co-supervisor: Louisa Sullivan
Sponsor: Pegasus Health


Jasmine Gooda
Topic: Low dose antipsychotic use and metabolic side effects.
Supervisor: Dee Mangin
Sponsor: Pegasus Health


Monica Johnson
Topic: Polypharmacy in the elderly – evaluating the Pill Pruner project.
Supervisors: Dee Mangin, Andrea Copeland, Nikki Ford
Sponsor: Pegasus Health


Lauren Cumberpatch
Topic: The views of older adults on medicine use in treatment and prevention.
Supervisors: Dee Mangin & Kim Burgess
Sponsor: The Canterbury Health Care of the Elderly Education Trust


Meagan McLeod ()
Topic: Comparison of the effectiveness of General Practice cervical screening systems.
Supervisor: Dee Mangin
Co-Supervisor Vivian Daley [Pegasus Health]
Sponsor: Pegasus Health IPA


Charlotte Duncan
Topic: What are the drivers of PSA testing in Pegasus GPs?
Supervisors: Paul Corwin, Dee Mangin
Sponsor: Otago Theme Bursary, University of Otago


Kris Wilson
Topic: A comparison of parental attitudes towards complementary and alternative medicines in children.
Supervisors: Dee Richards and Claire Dowson


Okafor, C. E., Keramat, S. A., Comans, T., Page, A. T., Potter, K., Hilmer, S. N., … Mangin, D., … Etherton-Beer, C. (2024). Cost-consequence analysis of deprescribing to optimize health outcomes for frail older people: A within-trial analysis. Journal of the American Medical Directors Association. Advance online publication. doi: 10.1016/j.jamda.2023.12.016

Duncan, S., Bergler, H. U., Menclova, A., Pickering, J. W., Nishtala, P. S., Ailabouni, N., … Mangin, D., & Jamieson, H. (2024). The drug burden index and level of frailty as determinants of healthcare costs in a cohort of older frail adults in New Zealand [Economic evaluation]. Value in Health Regional Issues, 41, 72-79. doi: 10.1016/j.vhri.2023.11.009

Elsedfy, Y., Mangin, D., Jamieson, H., Berger, U., Nishtala, P., Weaver, S., … Ailabouni, N. (2023). An international comparison of deprescribing interventional studies: How to determine factors that contribute to translational deprescribing success? Pharmacy Education, 23(6), (pp. 361). doi: 10.46542/pe.2023.236.350423

Mangin, D. (2023). Using pilot and feasibility RCT methods: Team Approach to Polypharmacy Evaluation and Reduction (TAPER). Proceedings of the New Zealand Primary Health Care, General Practice & Rural Health Research Symposium. (pp. 11). Retrieved from

Howard, M., Aubrey-Bassler, K., Drummond, N., Lussier, M.-T., Queenan, J. A., Vanstone, M., … Mangin, D. (2023). Effects of the COVID-19 pandemic on primary health care for chronic conditions in Canada: Protocol for a retrospective pre-post study using national practice-based research network data. JMIR Research Protocols, 12, e49131. doi: 10.2196/49131

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