first-in-class drug; innovative new drug
Colloquial term used in pharmaceutical and medical contexts for a drug that is the first of its kind or represents a significant innovation.
This first-in-class drug has a novel mechanism of action.
Pharmaceutical companies are focusing on developing innovative new drugs.
Abbreviation of ピカイチ (first-rate) and 新薬 (new drug), reflecting its colloquial origin in the pharmaceutical industry.