This review aims to present the unique considerations for manufacturing and the regulation of new vaccines in Muslim-populated countries such as Malaysia. Our specific objectives are to highlight vaccine production and the ingredients of concern, summarize the current mechanism for ruling and recommendations on new vaccines, outline the different steps in decision-making on incorporating a new vaccine into the National Immunization Program, describe its issues and challenges, and explore the commercial viability and challenges of producing local permissible (halal) vaccines. Through this review, we hope readers understand that alternatives are present to replace ingredients of concern in vaccines. Halal certification and introduction of a new vaccine into a program are strictly conducted and healthcare providers must be prepared to educate the public on this. At the same time, it is hoped that the production of halal vaccine in Malaysia will promote self-reliance in Muslim-populated countries.
Multidrug transporters have a crucial role in causing the drug resistance that can arise in infectious micro-organisms and tumours. These integral membrane proteins mediate the export of a broad range of unrelated compounds from cells, including antibiotics and anticancer agents, thus reducing the concentration of these compounds to subtoxic levels in target cells. In spite of intensive research, it is not clear exactly how multidrug transporters work. The present review focuses on recent advancements in the biochemistry and structural biology of bacterial and human multidrug ABC (ATP-binding cassette) transporters. These advancements point to a common mechanism in which polyspecific drug-binding surfaces in the membrane domains are alternately exposed to the inside and outside surface of the membrane in response to the ATP-driven dimerization of nucleotide-binding domains and their dissociation following ATP hydrolysis.
The regulatory oversight of biologicals in Malaysia is established by the National Pharmaceutical Control Bureau (NPCB), Ministry of Health. At the agency, the Section on Biotechnology Product Registration exercises the marketing authorization function as the National Regulatory Authority (NRA). This paper provides an overview of the organization, regulatory expectations and current practices of the evaluation of biologicals in Malaysia. Recent developments in the regulation of biologicals, focusing on biosimilars, are also presented. Because of the rapid pace of science and evolving regulatory controls, collaboration with local and international stakeholders is key to enhancing the safety and availability of biologicals/biosimilars in a cost-eff ective manner while meeting important medical needs. As resources for capacity building are not always at our disposal, we actively explore partnerships with our international counterparts who face common regulatory challenges.
Study findings revealed some similarities and differences in current evaluation practice (timeline and requirements) for biosimilar versus novel BTPs. The findings of this research also provide an insight on current evaluation practice on biosimilar product labeling.
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