治験(ちけん)

ちけん
noun
clinical trial
1. clinical trial; clinical test
A research study conducted with human participants to evaluate the safety and efficacy of new drugs or medical treatments before they are approved for general use.
新薬(しんやく)の治験(ちけん)が始(はじ)まった。
A clinical trial for the new drug has begun.
治験(ちけん)に参加(さんか)する患者(かんじゃ)を募集(ぼしゅう)している。
They are recruiting patients to participate in the clinical trial.
治験(ちけん)の結果(けっか)が良好(りょうこう)であれば、来年(らいねん)には承認(しょうにん)される見通(みとお)しだ。
If the clinical trial results are favorable, the drug is expected to be approved next year.

USAGE:
Short for 治療(ちりょう)試験(しけん) (treatment test). Commonly seen in news about pharmaceutical development. Became widely known during the COVID-19 pandemic in discussions about vaccine development.

COMMON COLLOCATIONS:

  • 治験(ちけん)を行(おこな)う (to conduct a clinical trial)
  • 治験(ちけん)に参加(さんか)する (to participate in a clinical trial)
  • 治験(ちけん)結果(けっか) (clinical trial results)
  • 治験(ちけん)薬(やく) (investigational drug)

SIMILAR WORDS:

  • 臨床試験(りんしょうしけん): clinical trial — a more formal synonym
  • 知見(ちけん): knowledge, insight — a homophone with different kanji and meaning
general
Added 2026.3.21 18:07
18000/18306_chiken