第だい二に相そう試し験けん

noun

phase II study; phase II trial

Technical term in clinical research; refers to the second stage of testing a new drug or treatment in humans, focusing on efficacy and side effects.

• この新しん薬やくは現げん在ざい、第だい二に相そう試し験けんの段だん階かいです。

  This new drug is currently in the phase II trial stage.

• 第だい二に相そう試し験けん