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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/17234
Title: Field trials of an asexual blood stage malaria vaccine: Studies of the synthetic peptide polymer SPf66 in Thailand and the analytic plan for a phase IIb efficacy study
Authors: W. R. Ballou
D. M. Gordon
J. C. Sadoff
K. H. Webster
J. Wittes
Walter Reed Army Institute of Research
Statistics Collaborative
Armed Forces Research Institute of Medical Sciences, Thailand
Mahidol University
Shoklo Malaria Research Unit
John Radcliffe Hospital
Keywords: Agricultural and Biological Sciences;Immunology and Microbiology;Medicine
Issue Date: 1-Jan-1995
Citation: Parasitology. Vol.110, No.S1 (1995), S25-S36
Abstract: Several years ago the Walter Reed Army Institute of Research (WRAIR) initiated an independent analysis of the candidate malaria blood stage vaccine SPf66. WRAIR contracted for the synthesis and formulation of SPf66 in United States Food and Drug Administration (FDA) inspected laboratories within the U.S., and in 1992, filed an Investigational New Drug (IND) application with the FDA. Preclinical studies indicated that the vaccine could be synthesized to meet its release specifications, and when adjuvanted with alum, was essentially equivalent to Colombian produced SPf66 in regards to immunogenicity in preclinical studies of rodents and primates, and in human volunteers in Phase I studies. The goal of these efforts was ultimately to conduct a Phase IIb field trial to determine the safety and efficacy of SPf66 produced under current Good Manufacturing Practices (cGMP). Such a trial is currently underway in a malaria endemic refugee camp along the Thai-Burmese border. Here we briefly describe the study and present the formal analytic plan that was submitted to regulatory authorities in the United States for analysis of the study results. We believe such independent confirmatory studies are an essential part of the vaccine development process and are required to provide important data regarding the safety and efficacy of candidate vaccines in diverse geographical regions, and as a means to assess their role in the context of broader malaria control programmes. © 1995, Cambridge University Press. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0029014181&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/17234
ISSN: 14698161
00311820
Appears in Collections:Scopus 1991-2000

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