Ashland announces compliance of viatel lactide/glycolide polymers versus upcoming LG polymer USP-NF monographs
Petrochemical

Ashland announces compliance of viatel lactide/glycolide polymers versus upcoming LG polymer USP-NF monographs

Ashland has been actively involved in the development of USP-NF monographs

  • By ICN Bureau | February 07, 2025

Ashland, a premier specialty materials company, has announced compliance with the upcoming Lactide (or lactic acid) and Glycolide (or glycolic acid) (LG) polymer USP-NF monographs.

The announcement came during a joint webinar with Ashland and Oakwood laboratories on scale-up of long-acting injectables. Ashland has been actively involved in the development of USP-NF monographs, general chapters and reference standards for LG Polymers. Patrick Duffy, PhD, R&D team leader, Ashland, serves as an expert advisor to USP’s joint sub-committee working on LG polymer monographs.

The USP–NF combines the United States Pharmacopeia (USP) and the National Formulary (NF) and contains more than 5,000 public quality standards for chemical and biologic medicines, active pharmaceutical ingredients (APIs), dietary ingredients and dietary supplements, and excipients. It also maintains standards for various analytical testing methods, medicine storage and distribution, compounded medicines, prescription labeling and many other aspects of medical product development, manufacture and use.

Regulatory evaluation of LG polymer-containing drug products remains challenging due to the complexities of LG polymers, their characterization and testing, and use in formulations. The USP developed a suite of solutions to help formulators meet the regulatory expectations and characterization challenges associated with these polymers. This work included the development of a series of NF monographs – which are used to articulate the quality expectations for a medicine. Expectations are included for a drug’s identity, strength, purity, and performance. Monographs also describe tests needed to validate the medicine and its ingredients meet expected criteria.

The first three LG polymer monographs have now been published in USP-NF 2025, Issue 1 and will be official as of May 1, 2025.

• DL-Lactide and Glycolide (50:50) Copolymer 12000 Acid

• DL-Lactide and Glycolide (50:50) Copolymer 12000 Ethyl Ester

• DL-Lactide and Glycolide (50:50) Copolymer 46000 Acid

Ashland has completed verification testing of corresponding grades from the viatel portfolio of LG polymers in order to certify compliance with these recently published NF monographs. Today, the company announced its viatel portfolio of products meet the stringent quality standards associated with the upcoming monographs.

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