Release Date Request Code Change Type NCI Code CDISC Term Type CDISC Codelist (Short Name) CDISC Codelist (Long Name) Change Summary Original New Change Implementation Instructions 2025-09-26 CDISC-6796 Add C116527 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - sham (procedure) 2025-09-26 CDISC-6796 Add C142533 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - eSignature 2025-09-26 CDISC-6796 Add C142685 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - Serious Adverse Drug Reaction (SADR) 2025-09-26 CDISC-6796 Add C142739 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - termination (of a research study) 2025-09-26 CDISC-6796 Add C15197 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - case-control study 2025-09-26 CDISC-6796 Add C16032 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - long-term follow-up (research) 2025-09-26 CDISC-6796 Add C16830 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - medical device 2025-09-26 CDISC-6796 Add C176257 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - decentralized clinical trial 2025-09-26 CDISC-6796 Add C179748 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - biobanking (research) 2025-09-26 CDISC-6796 Add C191278 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - masking (study treatment) 2025-09-26 CDISC-6796 Add C19924 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - principal investigator 2025-09-26 CDISC-6796 Add C215672 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - study doctor 2025-09-26 CDISC-6796 Add C221713 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - recruiting (status) 2025-09-26 CDISC-6796 Add C221714 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - opt-out 2025-09-26 CDISC-6796 Add C221715 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - opt-in 2025-09-26 CDISC-6796 Add C41201 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - study monitor 2025-09-26 CDISC-6796 Add C49068 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - blinding 2025-09-26 CDISC-6796 Add C49628 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - screen failure 2025-09-26 CDISC-6796 Add C70665 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - human subject 2025-09-26 CDISC-6796 Add C70699 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - sample (study) 2025-09-26 CDISC-6796 Add C70800 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - approval (IRB/ethics) 2025-09-26 CDISC-6796 Add C72968 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - investigational device 2025-09-26 CDISC-6796 Add C80403 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - study site 2025-09-26 CDISC-6796 Add C82637 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - crossover trial 2025-09-26 CDISC-6796 Add C82667 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - Investigational Device Exemption (IDE) 2025-09-26 CDISC-6796 Add C83082 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - study identifier 2025-09-26 CDISC-6796 Add C83083 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - participant code 2025-09-26 CDISC-6796 Add C90492 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - personal data 2025-09-26 CDISC-6796 Add C923 Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Add new term to existing codelist - - - vaccine 2025-09-26 N/A Update C203925 NCI Preferred Term MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Update NCI Preferred Term Placebo-Controlled Study Placebo-Controlled Trial 2025-09-26 CDISC-6796 Update C41331 CDISC Definition MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Update CDISC Definition Any health problem that happens during the study. (https://mrctcenter.org/glossaryterm/adverse-event/) Any health problem that happens during a study. (https://mrctcenter.org/glossaryterm/adverse-event/) 2025-09-26 CDISC-6796 Update C41332 CDISC Definition MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Update CDISC Definition A health problem that happens during the study and is reported as possibly caused by the study treatment. (https://mrctcenter.org/glossaryterm/adverse-reaction/) A health problem that happens during a study and is reported as possibly caused by the study treatment. (https://mrctcenter.org/glossaryterm/adverse-reaction/) 2025-09-26 CDISC-6796 Update C41335 CDISC Definition MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Update CDISC Definition A health issue that happens during a study, and can lead to hospital care, lasting medical problems, life-threatening conditions, or death. (https://mrctcenter.org/glossaryterm/serious-adverse-event-sae/) A health issue that happens during a study and leads to hospital care, lasting medical problems, life-threatening conditions, or death. (https://mrctcenter.org/glossaryterm/serious-adverse-event-sae/) 2025-09-26 CDISC-6796 Update C48281 CDISC Definition MRCT Center Clinical Research Glossary MRCT Center Clinical Research Glossary Update CDISC Definition A step in the overall clinical research process to test a new drug, device, or treatment. (https://mrctcenter.org/glossaryterm/phase/) A step in the overall clinical research process to test a new drug or treatment. (https://mrctcenter.org/glossaryterm/phase/)