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WHO Technical Report Series, No. 957 - Multiple Choices - World ...

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epresentative selected by UNICEF. Contract manufacture is only acceptedif the subcontractor is also approved by UNICEF. Inspections are carried outprimarily by UNICEF staff who check compliance with <strong>WHO</strong> GMP guidelines.During 2003–2009, 145 GMP inspections carried out in 47 companies failed(32%). In case of failure a detailed GMP inspection report is forwarded to thecompany with a request to respond within one month.In case of prequalification of vaccines, HIV, malaria and tuberculosisproducts:— products have to be prequalified by <strong>WHO</strong> and listed on the <strong>WHO</strong> website;— the supplier has to confirm to UNICEF that the products are identical tothose assessed by <strong>WHO</strong>/UNICEF; and— UNICEF’s purchase is traced in <strong>WHO</strong>/UNICEF GMP inspections.2.1.2 Pharmacopoeial Discussion GroupThe Pharmacopoeial Discussion Group (PDG), which consists of theEuropean Pharmacopoeia, Japanese Pharmacopoeia and United StatesPharmacopeia, met in association with the Expert Working Groups of theInternational Conference on Harmonisation (ICH) from 8 to 12 June 2009in Yokohama, Japan. The Secretary of this Expert Committee participatedas an observer for <strong>WHO</strong>.The experts recommended reviews of the following general methods againstexisting related International Pharmacopoeia (Ph.Int.) texts and addingthose not yet included in the Ph.Int. for future adoption:• Test for extractable volume of parenteral preparations (General Chapter);• Test for particulate contamination: sub-visible particles (General Chapter);• Disintegration test;• Dissolution test (General Chapter) (pending availability of final text);• Sterility test (General Chapter);• Microbiological examination of non-sterile products; and• Acceptance criteria for pharmaceutical preparations and substances forpharmaceutical use (General Chapter).The Committee recommended that the following should be considered foradoption:• Microbiological examination of non-sterile products:— Microbial enumeration tests (General Chapter);— Tests for specified microorganisms (General Chapter); and• Tablet friability (General Chapter).The Secretariat informed the experts that preliminary discussions had alreadybeen held with the PDG members, based on previous recommendations7

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