Which term describes a product being developed and undergoing clinical trials?

• A. Concept
• B. Final product
• C. Pipeline
• D. Prototype

Answer: (C)

In drug development, the idea captured here is a pipeline—the set of product candidates that are currently being developed and tested through clinical trials. A pipeline conveys ongoing work, with multiple candidates at different trial phases, moving toward regulatory approval and eventual market release. This fits a product that is actively in development and undergoing clinical trials because it signals that the product is not final yet and is part of a broader portfolio progressing through the development stages. The other terms don't fit as well: a concept is just an initial idea, not a tested product; a prototype is an early model used for design testing rather than human clinical testing; a final product is the completed version after approval.