Author Archives: Lorna McLeod

Uniting Small-Molecule and Biologic Drug Perspectives: Analytical Characterization and Regulatory Considerations for Antibody–Drug Conjugates

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Cosponsored by CASSS (an international separation science society) and the US Food and Drug Administration (FDA), the January 2010 CMC Strategy Forum explored antibody–drug conjugates (ADCs), which are monoclonal antibodies (MAbs) coupled to cytotoxic agents. The ADC platform of products is being used more and more for clinical evaluation in oncology. More than a dozen companies are developing several types, including products conjugated with calicheamicin, auristatins, and maytansinoids. Such products use the specificity of a MAb to deliver a cytotoxic…

September 23, 2015

Glycosylation of Therapeutic Proteins: Current Understanding of Structure–Function Relationships

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A CMC Strategy Forum held in Washington, DC, on Sunday 28 January 2007 focused on two topics related to protein structure and function (1). First, analytical techniques used in the glycan analysis characterization included recent advances and correlations among the various tools. And second, current understanding of glycosylation’s functional relevance to therapeutic proteins was discussed in the context of its effects on biological activity, pharmacokinetics, and Fc effector functions (for monoclonal antibodies, MAbs). Progress has been made in the field…

September 23, 2015

QbD for Biologics: Learning from the Product Development and Realization (A-MAb) Case Study and the FDA OBP Pilot Program

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    Cosponsored by CASSS (an international separation society) and the FDA, the 23rd CMC Strategy Forum was held in Bethesda, MD, on 19–20 July 2010. For the third time, this forum explored the topic of quality by design (QbD) for biologics. The first such forum was held in July 2007 and focused on establishing a general understanding of QbD terminology and concepts. In July 2008, the second discussed approaches for submission of QbD data and associated regulatory implications. Building…

September 1, 2012

From Pandemics to Bioterrorism

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On 28 March 2008, BioProcess International hosted a panel discussion at the annual INTERPHEX conference (26–28 March 2008 in Philadelphia, PA), titled “From Pandemics to Bioterrorism: The Role of Bio-Manufacturing in Global Healthcare.” The discussion format grew out of a series of conversations over several months involving the panel members, INTERPHEX organizers, and BPI’s editor in chief (all participants are listed on the previous page). The group started with the premise that the biotechnology industry has a vital role to…

June 1, 2008