Revised: 8 June 2021


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 Alex Romain (BSc (Hons), MBBS, MRes, MRNZCGP)
Dr Romain is a General Practitioner in Northland working predominantly with Māori patients. He has editorial experience in medical publishing at the British Medical Journal and Journal of Primary Health Care, and an academic background in molecular and translational medicine. Dr Romain was a Clinical Lead in Canterbury’s Covid-19 response. Dr Romain 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.

Mr Zaffer Khan Cusi Malik (BScN, MNSc, PG Cert in Advanced Nursing Practice)
Mr Malik is a Nurse Practitioner with a focus on acute medicine and the health of older people at Capital and Coast District Health Board. Mr Malik’s unique role allows him to work at the secondary and primary care interface where he assists general practitioners in managing complex patients. Mr Malik also has experience in acute nursing, emergency nursing and general medicine where he has held roles such as Charge Nurse Manager and Clinical Nurse Educator in these areas. Mr Malik provides expertise in the field of nursing.

Ms Leasa Carlyon (J.P., NZ Dip Business Management, NZ Institute of Directors)
Ms Carlyon has extensive experience in governance as a lay member for the Health Practitioners Disciplinary Tribunal, the Ministry of Primary Industry’s National Animal Ethics Advisory Committee and the Dietitians Board of New Zealand, among other directorships and boards. She is a Justice of the Peace and also served as a Judicial Justice of the Peace in the Wellington Courts. Ms Carlyon provides a consumer lens and represents public interests, drawing on her experience in restorative justice, elder mediation and project management.

Ms Louise McDermott (MClinPharm, DipTching, RegPharmNZ (prescriber))
Ms McDermott is a Paediatric Pharmacist Prescriber and Pharmacy Team Leader for the Whānau Ora Team at Christchurch Hospital. Ms McDermott has extensive experience in paediatric pharmacy where she works collaboratively with the wider paediatric team at Christchurch Hospital. Ms McDermott is the Chair of the Pharmacist and Therapeutics Special Interest Group of the Paediatric Society of New Zealand, and is a member of the Health Quality & Safety Commission Extemporaneous Compounding Group which works to standardise compounding liquids across New Zealand to reduce errors. Ms McDermott 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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