Revised: 23 November 2020


Medicines Adverse Reactions Committee - Committee Process

Composition and membership
Current members
Responsibilities of the MARC
Role of Medsafe in relation to MARC
Travel, expenses and fees
Conflicts of interest

Composition and membership

The Medicines Adverse Reactions Committee (MARC) comprises up to 13 members who are appointed for a term of three years (renewable for a further three years).

The Chair and other members of the Committee are drawn from experts in various fields of clinical medicine, pharmacy, nursing, pharmacovigilance, epidemiology and biostatistics.

The MARC also holds a position for a layperson (non-healthcare professional) to represent consumer interests.

Members have an expert knowledge of medicines or consumer interests, and an interest in adverse reactions to medicines and medicines regulation.

The composition of the MARC is as follows:

  • an epidemiologist
  • two general practitioners (one in urban practice, one in rural practice)
  • a clinical pharmacologist
  • two clinical pharmacists (one hospital based, one community based)
  • four specialist clinicians (eg, from fields such as psychiatry, paediatrics, cardiology etc)
  • a nurse
  • a layperson
  • the Director of the New Zealand Pharmacovigilance Centre

Medsafe may obtain further expert advice from other specialists where such expertise is not available within the Committee.

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Current members


Dr Christina (Chris) Cameron (MClinPharm, FRACP)
Dr Cameron is a Consultant in General Medicine at Capital and Coast DHB, Consultant in Clinical Pharmacology at Capital and Coast DHB, Senior Lecturer in clinical pharmacology at the Wellington School of Medicine, University of Otago, Chair of the Medicines Review Committee at Capital and Coast DHB, committee member of the Named Patient Prescribing Authority, PHARMAC, committee member of RUPAG and Schedule Rules, PHARMAC, and Secretary for the Australasian Society for Clinical and Experimental Pharmacologists and Toxicologists.  Dr Cameron provides expertise in the fields of general medicine and clinical pharmacology.


Dr Kyle Eggleton (BHB, MBChB, DipObstMedGyn, DipPaeds, DIH, PGDipPH, MMedSci, FRNZCGP)
Dr Eggleton is a Kaupapa Māori Medical Officer at Ki A Ora Ngātiwai in Northland. He is also a Senior Lecturer at the Department of General Practice and Primary Health Care of the University of Auckland. Dr Eggleton has worked as a general practitioner in Whangārei, Ruakākā and Rawene and was Clinical Director of Primary Healthcare in Northland. Dr Eggleton provides expertise in the field of rural general practice.

Dr Sean Hanna (MBChB, PGDipGP(Dist), PGDipClinEd(Dist), FRNZCGP, FRACGP)                  
Dr Hanna is currently a General Practitioner and primary health organisation (PHO) clinical lead at high needs urban iwi provider, Ora Toa PHO in Porirua, General Practitioner at Evolve Youth One Stop Shop (Wellington), Lead Medical Educator (GPEP1 Wellington)  and GPEP1 Teacher Royal New Zealand College of General Practitioners (RNZCGP), Wellington Medical School Clinical Education Advisor, University of Otago Rural Medical Immersion Programme Clinical Education Advisor. Dr Hanna is currently a member of PHARMAC’s Pharmacology & Therapeutics Advisory Committee (PTAC), Chair of PTAC’s Diabetes, Anti-infective, Immunisation and Mental Health subcommittees, member of MoH Technical Advisory Group Immunisation and member of the Professional Conduct Committee (Medical Council of New Zealand). Dr Hanna provides expertise in urban general practice.

Dr Chris Kenedi (MD, MPH, FRACP, FACP)
Dr Kenedi is a psychiatrist and internal medicine physician working at Auckland Hospital. Dr Kenedi is also currently a member of the ADHB Hospital Medicines Committee, content expert for the United Nations/ICAO Aviation Mental Health Working Group and a consultant for the Civil Aviation Administration. Dr Kenedi provides expertise in the fields of internal medicine and psychiatry.

Associate Professor Lianne Parkin (MB ChB, DipObst, DPH, PhD, FAFPHM)
Associate Professor Parkin is an academic public health physician and epidemiologist at the University of Otago. Her research interests include the use of routinely collected electronic health and pharmaceutical dispensing data to study the utilisation and safety of medicines and medical devices, and she is the Lead Investigator of the Pharmacoepidemiology Research Network Core Academic Group. Associate Professor Parkin provides expertise in the field of epidemiology.

Honorary Associate Professor Marius Rademaker (BM FRACP FRCP(Edin) DM FNZDSi)
Hon Assoc Prof Rademaker is a dermatologist currently working as Honorary Associate Professor of Medicine at the University of Auckland, Research Director for the Waikato Skin Research Association, Consultant for MoleMap and Director Dermatology Clinical Trials for Clinical Trials New Zealand. Hon Assoc Prof Rademaker currently sits on PHARMAC’s PTAC as deputy chair and has previously been a member of the Medicines Adverse Reactions Committee, Inter-governmental (Australia/New Zealand) Kava Evaluation Group and Ministerial Working Party on Bee Venom, Propolis and Royal Jelly. Hon Assoc Prof Rademaker provides expertise in the field of dermatology.

Mrs Isabel Raiman (MSc (Clinical Studies), BSc (Hons) Professional Practice (Nursing))
Mrs Raiman is a nurse practitioner in diabetes and related conditions and is currently Team Leader of the Diabetes Service in the Bay of Plenty District Health Board. She is also an Honorary Lecturer at the University of Auckland. Prior to this Mrs Raiman worked as a diabetes specialist nurse in a number of hospitals in the United Kingdom and has also worked as a rheumatology nurse consultant. Mrs Raiman provides expertise in the field of nursing.

Mrs Catherine Ryan (LLB)
Mrs Ryan has extensive experience in law relating to health, research ethics and clinical ethics. She is a member of the Health Research Council Ethics Committee and a member of the Ethical Issues Review Committee at the Counties Manukau District Health Board. She has also been a member of the Auckland Medico-Legal Society in the past. Mrs Ryan provides expertise in consumer issues.

Professor Lisa Stamp (MB ChB, PhD, DipMus, FRACP, MACR, MNZRA)
Professor Stamp is a consultant rheumatologist at Christchurch Hospital and an academic rheumatologist at the University of Otago. She is also the Director of the Canterbury Rheumatology and Immunology Research Group and the President of the New Zealand Rheumatology Association. Additionally, Professor Stamp provides a rural clinic in Kaikōura, and is a member of the PHARMAC rheumatology subcommittee of the Pharmacology and Therapeutics Advisory Committee (PTAC). Her research interests include gout and rheumatoid arthritis, where she has published over 170 papers in these areas. Professor Stamp received the Value of Medicines NZ prize in 2017 for her world leading work in the use of allopurinol. Professor Stamp provides expertise in the field of rheumatology.

Ms Jo Tatler (MSc (ClinPharm), BPharm (Hons))
Ms Tatler is Intensive Care Unit Clinical Pharmacist at the Taranaki District Health Board. Prior to this she worked as a clinical pharmacist at a number of hospitals throughout New Zealand and the United Kingdom. Ms Tatler was also an Associate Editor for the New Zealand Formulary and has past experience as a clinical facilitator for a PHO and as a community pharmacist. Ms Tatler provides expertise in the field of hospital clinical pharmacy.

Dr Michael Tatley (MBChB, BBusSci(Hon), FFCH(SA), FAFPHM, FNZCPHM)
Dr Tatley is Director of the New Zealand Pharmacovigilance Centre (NZPhvC) at the University of Otago. The NZPhvC provides pharmacovigilance services on contract to Medsafe. His experience is in the area of drug safety surveillance and the evaluation of adverse events attributed to medicines. He has a particular interest in vaccine adverse events and vaccinology.

Ms Leanne Te Karu Muaūpoko/ Te Āti Haunui-a-Pāpārangi (DipPharm, PGCertHerbalMeds, PGDipClinPharm, MHSc(Hons), PGCert(Prescribing), MMPA, MCAPA, FPSNZ, NZRegPharm)
Ms Te Karu is a Pharmacist Prescriber at Pihanga Health Medical Centre and Papakura Marae Clinic Medical Centre. Ms Te Karu is also the Associate Dean (Māori) at the University of Otago School of Pharmacy, a presenter/contractor to PHARMAC, an advisor to the Health Quality Safety Commission, an honorary lecturer at the University of Auckland School of Pharmacy, and the Director of Tu Kapua Limited. Ms Te Karu is also currently a Doctor of Philosophy candidate at the Department of General Practice, University of Auckland. Ms Te Karu provides expertise in the field of clinical pharmacy (primary care).

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