Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa.

Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa. Research Abstract Details 

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Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa. Abstract Text:

Ushma Mehta,David Durrheim,Aaron Mabuza,Lucille Blumberg,Elizabeth Allen,Karen I Barnes,Ushma Mehta,David Durrheim,Aaron Mabuza,Lucille Blumberg,Elizabeth Allen,Karen I Barnes,

BACKGROUND AND OBJECTIVES: Prior to the introduction of artemisinin-based combination antimalarial therapy in Mpumalanga province, South Africa, a pharmacovigilance strategy was developed to pilot locally relevant surveillance methods for detecting serious adverse drug reactions (ADRs) and signals related to artesunate plus sulfadoxine/pyrimethamine. STUDY DESIGN: From 1 March 2002 to 30 June 2004, five methods for detecting ADRs in patients receiving antimalarials were piloted in the rural communities of Mpumalanga province in South Africa: (i) home follow-up of patients by malaria control staff; (ii) enhanced spontaneous reporting of suspected ADRs by health professionals at clinics and hospitals; (iii) active hospital surveillance for malaria-related admissions and patients recently treated for malaria; (iv) a confidential enquiry into malaria-related deaths; and (v) adverse events monitoring during two therapeutic efficacy studies conducted in 2002 and 2004. RESULTS: During the study period, the malaria control programme was notified of 4778 cases of malaria while sulfadoxine/pyrimethamine monotherapy was the recommended treatment and 7692 cases after the introduction of artesunate plus sulfadoxine/pyrimethamine in January 2003. Of 2393 home follow-up visits of reported cases of malaria, three fatal adverse events were identified where recent use of artesunate plus sulfadoxine/pyrimethamine treatment was reported. Two cases were attributed to poor response to treatment, while one case was considered possibly related to artesunate plus sulfadoxine/pyrimethamine treatment. Clinic and hospital surveillance reported six ADRs in association with sulfadoxine/pyrimethamine treatment, five being treatment failures and one being a non-serious rash. During active hospital surveillance, 38 inpatients exposed to sulfadoxine/pyrimethamine were identified, including one child who experienced pancytopenia following treatment with sulfadoxine/pyrimethamine 11 days before admission; this adverse effect was considered to be possibly due to sulfadoxine/pyrimethamine treatment. The confidential enquiry into malaria-related deaths identified three adverse events, including a death where the contribution of treatment could not be excluded. A therapeutic efficacy study of 95 patients followed over 42 days identified one case of repeated vomiting possibly associated with artesunate plus sulfadoxine/pyrimethamine. CONCLUSION: Multifaceted monitoring throughout the malaria patient journey is necessary in developing countries implementing new treatments to safeguard against missing serious complications associated with malaria treatment.

Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa. Publishing Authors By Initials

U Mehta,D Durrheim,A Mabuza,L Blumberg,E Allen,KI Barnes,U Mehta,D Durrheim,A Mabuza,L Blumberg,E Allen,KI Barnes,

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Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Drug safety : an international journal of medical

VOLUME: 30

Page Numbers: 899-910

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ISSN: 0114-5916

DAY: 17

MONTH: 09

YEAR: 2007

Malaria pharmacovigilance in Africa: lessons from a pilot project in Mpumalanga Province, South Africa. Information

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LANGUAGE: eng

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AFFILIATION: Division of Clinical Pharmacology, University of Cape Town, Cape Town, South Africa. ushmaza@yahoo.com

Country: New Zealand

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MEDLINETA: Drug Saf

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