Blog Tag
2 articles tagged with MOA. The newest post is from Mar 7, 2026.
MOA stands for mechanism of action. It describes how a drug works in the body at the biological level. In biotech, MOA matters because it helps explain why a therapy might work, how it differs from competitors, and what kind of clinical effects it may produce.
A first-in-class drug is a therapy that introduces a new mechanism of action or a new way of treating a disease that has not been approved before. In biotech, the term is highly meaningful because it signals novelty. A first-in-class drug may open a completely new therapeutic path, which can create significant opportunity but also significant uncertainty.
