dechallenge

English Wikipedia has an article on:

Challenge–dechallenge–rechallenge

Etymology

From de- +‎ challenge; see drug challenge.

Verb

dechallenge (third-person singular simple present dechallenges, present participle dechallenging, simple past and past participle dechallenged)

(medicine, pharmacology) To stop administering a drug to a patient, to see whether its suspected effects cease to occur.

Related terms

rechallenge