Active Ingredient
API定義
The component of a drug product that produces the intended therapeutic effect. The active pharmaceutical ingredient (API) is what the drug does — everything else in the formulation (binders, fillers, coatings) are inactive ingredients (excipients).
例
In Tylenol Extra Strength, the active ingredient is acetaminophen 500 mg per tablet. The remaining mass consists of excipients.
関連用語
ガイドでの言及
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