ICH ICH Enumeration: ShortName=Intervention Model Response Terminology

M2 ESTRI Code List

ShortName = Intervention Model Response Terminology
LongName = Intervention Model Response Terminology
Version = 1.0
CanonicalUri = 2.16.840.1.113883.3.989.2.3.1.6
CanonicalVersionUri = 2.16.840.1.113883.3.989.2.3.1.6.1
Agency
ShortName = M11
LongName = Clinical Trial protocols
Identifier = C217277
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"
C82637 Cross-over Participants receive one of two or more alternative intervention(s) during the initial epoch of the study and receive other intervention(s) during the subsequent epoch(s) of the trial. y
C82638 Factorial Two or more interventions, each alone or in combination, are evaluated in parallel against a control group. This study design allows for the comparison of active drug to placebo, presence of drug-drug interactions, and comparison of active drugs against each other. y
C17649 Other Different than the one(s) previously specified or mentioned. y
C82639 Parallel Group Participants are assigned to one of two or more treatment groups in parallel for the duration of the study. y
C142568 Sequential Groups of participants are assigned to receive interventions based on prior milestones being reached in the study. y
C82640 Single Group All trial participants are assigned to a single treatment group for the duration of the study. 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