“Early stage of a drug trial” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.PHASEI is the answer to the New York Times crossword clue “Early stage of a drug trial”. It was last seen in the puzzle of August 23, 2026, where it runs at 22 Across and fills 6 squares. It crosses 6 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.