MRCT – To stop being a participant in a study. https://mrctcenter.org/glossaryterm/withdraw/
CDISC-Gloss – The subject-initiated act of discontinuing participation in a clinical study. NOTE: Withdrawal can range from the subject’s complete withdrawal from study procedures and follow-up activities to the subject’s withdrawal from study-related interventions. [After Guidance on Withdrawal of Subjects from Research: Data Retention and Other Related Issues, September 21, 2010] See also discontinuation.