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1.  Challenges and Opportunities in Establishing Scientific and Regulatory Standards for Assuring Therapeutic Equivalence of Modified Release Products: Workshop Summary Report 
The AAPS Journal  2010;12(3):371-377.
Modified release products are complex dosage forms designed to release drug in a controlled manner to achieve desired efficacy and safety. Inappropriate control of drug release from such products may result in reduced efficacy or increased toxicity. This workshop provided an opportunity for pharmaceutical scientists from academia, industry, and regulatory agencies to discuss current industry practices and regulatory expectations for demonstrating pharmaceutical equivalence and bioequivalence of MR products, further facilitating the establishment of regulatory standards for ensuring therapeutic equivalence of these products.
PMCID: PMC2895434  PMID: 20440588
bioequivalence; interchangeability; modified release; pharmaceutical equivalence; therapeutic equivalence
2.  Confirmatory reanalysis of incurred bioanalytical samples 
The AAPS Journal  2007;9(3):E336-E343.
Bioanalytical methods used to support the drug development process are validated to ensure that they function in the manner in which they are intended. “Incurred” or study samples can vary in their composition when compared with the standards and quality control samples used to validate the method and analyze these samples. During the 3rd American Association of Pharmaceutical Scientists(AAPS)/Food and Drug Administration(FDA) Bioanalytical Workshop, it was suggested that the reproducibility in the analysis of incurred samples be evaluated in addition to the usual prestudy validation activities performed. This manuscript provides recommendations concerning the number and types of samples that should be analyzed in such an evaluation, as well as the manner in which the resultant data should be analyzed. Suggestions as to follow-up activities and data reporting are also discussed. This approach is at best a beginning and is offered as a platform for future discussion, comments, and revision.
PMCID: PMC2751485  PMID: 18170980
Bioanalytical; incurred samples; LC/MS/MS; ELISA; immunoassay; reproducibility

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