Wetzel Chemistry Consulting, LLC

Chemistry Leadership for Drug Discovery and Development

 

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How clients have benefited

 

In Drug Development:

  • Chemistry, Manufacturing and Controls (CMC) documents were provided in support of >10 Investigational New Drug Application (IND), New Drug Application (NDA), and postapproval filings

  • Chemistry concerns raised by regulatory agencies were successfully addressed

  • Two drugs received U.S. marketing approval

  • Active pharmaceutical ingredients (APIs) and drug products were manufactured under cGMP, enabling clinical trials

  • Technical challenges were solved in API synthesis

  • API manufacturing costs were reduced

  • Toxic and environmentally hazardous chemistry was eliminated from an API synthetic process

In Drug Discovery:

  • Several chemical series were prioritized according to their potential to yield drug-like leads for an anti-cancer target

  • The binding mode, structure-activity relationships and likely sites of off-target binding were elucidated for two leading chemical series

  • Predicted off-target binding was experimentally verified for several key cross-reactivity sites

  • Testing strategies were designed and implemented for efficient prioritization of new compounds and minimization of off-target interactions

  • New analogs with improved selectivity for the desired target were identified

  • Patent applications were carefully written, Examiner concerns were addressed and patents were issued

In Litigation:

  • Trial and deposition testimony was provided on behalf of defendant in the Hatch-Waxman Act litigation case, Hospira v Sandoz, District of New Jersey


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