• Regulatory NewsRegulatory News

    ICH Reverts to Previous Version of Guideline on Residual Solvents

    The International Council for Harmonisation (ICH) has further explained why it decided to go back and change the Permissible Daily Exposure (PDE) for ethylene glycol (EG), and then more recently, to reverse that decision and revert back to the original figure. Prior to 2017, the ICH Q3C guideline, which deals with residual solvents, included a Summary Table 2 that listed EG as a Class 2 residual solvent with a PDE of 6.2 mg/day. But in 2017, ICH was notified by an exter...
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    FDA Updates on Two ICH Guidelines

    The US Food and Drug Administration (FDA) on Monday issued updates related to two International Conference for Harmonization (ICH) guidelines, including a revised guideline on the efficacy portion of the common technical document (CTD) and changes to ICH's list for permitted daily exposure (PDE) to solvents. For the first update, FDA issued a draft guidance for public comment in line with ICH's revised guideline on the efficacy portion of the CTD, M4E(R2) – Efficacy , w...
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    ICH Advances Three Guidance Documents

    The International Council for Harmonisation (ICH) earlier this week announced the advancement of two guidelines to Step 4, or the implementation period of its process, and one question and answer document on the development and manufacture of drug substances to Step 2b of its process, meaning it enters a consultation phase. On the Step 4 front, the Integrated Addendum to ICH E6(R1): Guideline for Good Clinical Practice (GCP) advanced. “The current amendment (ICH E6(R...