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In Part I of this two-part series, several of the challenges with USP<789> Particulate Matter in Ophthalmic Solutions were discussed. Namely, the limits were established before routine intravitreal injections existed and the same acceptance criteria are applied to two different particle detection methods with different capabilities. Other challenges include the mismatch between required analysis volume and the very small fill volumes of ophthalmic injections and the lack of translatable limits for the syringe system alone. Regardless of the potential gaps in the pharmacopeial chapter, it is nevertheless clear that for ophthalmic injections, the industry expectations are to strive for the lowest possible visible and subvisible particle levels that are achievable.
Ophthalmic drug products (ODPs) present a special challenge for the measurement of extractables and leachables (E&L) due to the presence of multiple leachables sources. ODPs typically are packaged in labelled, semipermeable polymer (e.g., low density polyethylene) containers (i.e., primary container) and stored in cardboard containers (i.e., secondary container) along with instructions for use. The polymer, label, cardboard and paper are all possible sources of leachables.
Members of the West Pharmaceutical Services, Inc. (West) Marketing Unit had the pleasure of attending the recent FDA Public Meeting on Tuesday, May 21, 2019 regarding 503B Compounding Pharmacies and the cGMP draft guidance, as well as office stock issues which had generated many comments.
In Part I of this two-part series, several of the challenges with USP<789> Particulate Matter in Ophthalmic Solutions were discussed. Namely, the limits were established before routine intravitreal injections existed and the same acceptance criteria are applied to two different particle detection methods with different capabilities. Other challenges include the mismatch between required analysis volume and the very small fill volumes of ophthalmic injections and the lack of translatable limits for the syringe system alone. Regardless of the potential gaps in the pharmacopeial chapter, it is nevertheless clear that for ophthalmic injections, the industry expectations are to strive for the lowest possible visible and subvisible particle levels that are achievable.
Ophthalmic drug products (ODPs) present a special challenge for the measurement of extractables and leachables (E&L) due to the presence of multiple leachables sources. ODPs typically are packaged in labelled, semipermeable polymer (e.g., low density polyethylene) containers (i.e., primary container) and stored in cardboard containers (i.e., secondary container) along with instructions for use. The polymer, label, cardboard and paper are all possible sources of leachables.
Members of the West Pharmaceutical Services, Inc. (West) Marketing Unit had the pleasure of attending the recent FDA Public Meeting on Tuesday, May 21, 2019 regarding 503B Compounding Pharmacies and the cGMP draft guidance, as well as office stock issues which had generated many comments.
Crystal Zenith is a registered trademark of Daikyo Seiko, Ltd.
Crystal Zenith and FluroTec technology are licensed from Daikyo Seiko, Ltd.
FluroTec is a trademark of West Pharmaceutical Services, Inc. in the United States and other jurisdictions.
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