In drug discovery terminology, what are hits?

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Multiple Choice

In drug discovery terminology, what are hits?

Explanation:
Hits are newly identified compounds that show measurable activity in an screening assay against the target. They are active, meaning they produce the desired biological effect, but they are not yet developed or optimized. From a large library, these hits serve as starting points to confirm activity, establish dose–response, and assess specificity, with the goal of turning the most promising ones into leads that can be optimized for potency, selectivity, and drug-like properties. This distinguishes them from already approved drugs, known inactive compounds, or candidates that have already been refined during lead optimization.

Hits are newly identified compounds that show measurable activity in an screening assay against the target. They are active, meaning they produce the desired biological effect, but they are not yet developed or optimized. From a large library, these hits serve as starting points to confirm activity, establish dose–response, and assess specificity, with the goal of turning the most promising ones into leads that can be optimized for potency, selectivity, and drug-like properties. This distinguishes them from already approved drugs, known inactive compounds, or candidates that have already been refined during lead optimization.

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