Tag: combination products

Bioequivalence of Combination Products: Special Testing Challenges

Joshua Tennenbaum 13 February 2026 9

Bioequivalence testing for combination products-like dual-drug pills, topical creams, and inhalers-is far more complex than for single drugs. Regulatory hurdles, inconsistent methods, and high costs are delaying affordable generics. Here's how science and regulation are trying to catch up.

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Managing Different Doses in Combination Products: A Practical Guide to Therapeutic Equivalence

Joshua Tennenbaum 17 January 2026 9

Managing therapeutic equivalence in combination products requires precise dose matching and awareness of formulation differences. Learn how FDA ratings, NTI drugs, and inactive ingredients impact substitution safety.

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