ICH ICH Enumeration: ShortName=Trial Arm Type Response Terminology

M2 ESTRI Code List

ShortName = Trial Arm Type Response Terminology
LongName = Trial Arm Type Response Terminology
Version = 1.0
CanonicalUri = 2.16.840.1.113883.3.989.2.3.1.15
CanonicalVersionUri = 2.16.840.1.113883.3.989.2.3.1.15.1
Agency
ShortName = M11
LongName = Clinical Trial protocols
Identifier = C217283
code
Id="code"
(required)
Type="string"
english-label
Id="en"
(optional)
Type="string" Lang="en"
M11 Definition
Id="en_def"
(optional)
Type="string" Lang="en"
current flag
Id="cf"
(optional)
Type="string" Lang="en"
C174267 Active Comparator Arm An arm describing the active comparator. y
C174226 Control Arm An arm describing the intervention or treatment plan for a group of participants in the study receiving a control. The control may comprise a non-investigational product (active control) or regimen, placebo, or no treatment. y
C174266 Experimental Arm An arm describing the intervention or treatment plan for a group of participants in the study receiving test product(s). y
C174270 No Intervention Arm A study arm without an intervention or treatment. y
C174268 Placebo Comparator Arm An arm describing the placebo comparator. y
C174269 Sham Comparator Arm An arm describing the sham comparator. y

This file contains a code list co-maintained by ICH M2 ESTRI and CDISC in collaboration with the NCI Enterprise Vocabulary Services (EVS). It is encoded using OASIS genericode. More information on ICH technical standards is available via the M2 ESTRI webpages at www.ich.org.

Change History: v1.0 (November 11 2025)

Report created by ICH_M2_CDISC_Codelist.xsl : [Revision: 1.1 ] : ICH : Harmonisation for Better Health