HL7.TERMINOLOGY\ResearchStudyPhase

HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.0.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions

CodeSystem: ResearchStudyPhase

Official URL: http://terminology.hl7.org/CodeSystem/research-study-phase			Version: 0.1.0
Standards status: Draft	Maturity Level: 1	Responsible: HL7 (FHIR Project)	Computable Name: ResearchStudyPhase
Other Identifiers: : urn:oid:2.16.840.1.113883.4.642.1.1247

Codes for the stage in the progression of a therapy from initial experimental use in humans in clinical trials to post-market evaluation.

This Code system is referenced in the content logical definition of the following value sets:

This code system http://terminology.hl7.org/CodeSystem/research-study-phase defines the following codes:

Code	Display	Definition
n-a	N/A	Trials without phases (for example, studies of devices or behavioral interventions).
early-phase-1	Early Phase 1	Designation for optional exploratory trials conducted in accordance with the United States Food and Drug Administration's (FDA) 2006 Guidance on Exploratory Investigational New Drug (IND) Studies. Formerly called Phase 0.
phase-1	Phase 1	Includes initial studies to determine the metabolism and pharmacologic actions of drugs in humans, the side effects associated with increasing doses, and to gain early evidence of effectiveness; may include healthy participants and/or patients.
phase-1-phase-2	Phase 1/Phase 2	Trials that are a combination of phases 1 and 2.
phase-2	Phase 2	Includes controlled clinical studies conducted to evaluate the effectiveness of the drug for a particular indication or indications in participants with the disease or condition under study and to determine the common short-term side effects and risks.
phase-2-phase-3	Phase 2/Phase 3	Trials that are a combination of phases 2 and 3.
phase-3	Phase 3	Includes trials conducted after preliminary evidence suggesting effectiveness of the drug has been obtained, and are intended to gather additional information to evaluate the overall benefit-risk relationship of the drug.
phase-4	Phase 4	Studies of FDA-approved drugs to delineate additional information including the drug's risks, benefits, and optimal use.