Understanding Efficacy Supplement [Food and Drugs]: A Legal Overview
Definition & Meaning
An efficacy supplement refers to a formal request submitted to the Food and Drug Administration (FDA) to amend an existing drug application. This request proposes specific changes related to the drug's labeling, which may include:
- Adding or altering indications or claims for the drug
- Revising the dosage or dosage regimen
- Introducing a new route of administration
- Making comparative efficacy claims against another drug
- Significantly changing the intended patient population
- Changing the drug's status from prescription to over-the-counter
- Providing evidence of effectiveness for products initially approved under subpart H
- Incorporating new information from adequate and well-controlled clinical studies