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Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging
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Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging

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Cosmeceuticals versus pharmaceuticals

Mohamed Amer1, Mina Maged

  • 1Department of Dermatology and Venerology, Zagazig University, Zagazig, Egypt. mameredu@hotmail.com

Clinics in Dermatology
|August 22, 2009
PubMed

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Pharmaceutical equivalents, by definition, are drug products with the same active ingredient in the same quantities, encapsulated in identical dosage forms, and intended for the same administration routes. These pharmaceutical equivalents are deemed bioequivalent if the bioavailability of the active entity in the drug preparations is similar. Moreover, pharmaceutical equivalents demonstrating bioequivalence are also regarded as therapeutically equivalent. This means that when used as directed,...
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Biologics, derived from living sources such as humans, animals, or microorganisms, represent a significant category of pharmaceuticals. These complex molecules, developed through advanced biotechnological methods or purified from natural sources, include essential medical treatments like insulin and growth hormones. The complexity of biologics arises from their large molecular structures and the intricate processes required for their production, making them distinct from conventional...
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Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...