治 験(ちけん)

ちけん

noun

clinical trial

formalmedical

See also: 知見(ちけん) (homophone: knowledge)

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 · Revised 2026.9.2 13:01

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