Stability

01
Aug
toy Monarch butterfly emerging from its chrysalis.

Protocol Design and Lifecycle Following the Draft ICH Stability Guidance

  As discussed in a recent Lachman blog Revised Q1 Draft Stability Document Issued by FDA, the draft guidance titled Q1 Stability Testing of Drug Substances is a consolidated revision of ICH Q1A(R2), Q1B, Q1C, Q1D, Q1E, and Q5C.  This draft guidance provides guidance on product categories, such as advanced therapy medicinal products, vaccines, and other […]

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14
Jul
instrument medicine

Petition Filed Regarding Rational Expiration Dates of Medications

In combing through regulations.gov this morning, I found a July 7, 2025 petition (here) submitted by a physician citing concerns about “prematurely expiring drugs.”  His point is that many drugs likely would still meet all of the required specifications outlined in an application well past their labeled expiration dates, which could positively impact drug shortages and […]

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23
Jun
Symbol of scales

Revised Q1 Draft Stability Document Issued by FDA

The newly revised and expanded draft guidance titled Q1 Stability Testing of Drug Substances and Drug Products (here) was published today.  This draft guidance represents “a consolidated revision of the ICH Q1A(R2), Q1B, Q1C, Q1D, Q1E, and Q5C series of stability guidances, published November 2003, March 1996, May 1997, January 2003, June 2004, and July […]

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30
May
Is Your Stability Program Risk-Based - Lachman Blog

Is Your Stability Program Risk-Based?

On April 11, 2025, the ICH endorsed a draft guidance titled “Stability Testing of Drug Substances and Drug Products Q1” (here). This is a large, comprehensive guidance that applies to stability testing of chemically synthesized drug substances, biologics, vaccines, gene therapies, and combination products. The guidance addresses primary stability studies, commitment, ongoing and stability studies […]

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29
Jul

Repackaging Product into Unit Dose Packaging and Stability Requirements – Final Guidance Issued

Today, the FDA finalized an older draft guidance from August 2017 on repackaging of solid oral dosage form product from original containers into unit dose packaging that provides firms the ability to do so without (in most cases) performing additional stability studies.  The Agency notes that it “received a few comments on the revised draft […]

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