Clinical Trial (also known as Intervention Study): A work that reports on the results of a clinical study in which participants are assigned to receive one or more interventions so that researchers can evaluate the interventions on biomedical or health-related outcomes. The assignments are determined by the study proto

NIH MeSH · D016430Publication Characteristics

Clinical Trial

Also known asIntervention Study

Definition

A work that reports on the results of a clinical study in which participants are assigned to receive one or more interventions so that researchers can evaluate the interventions on biomedical or health-related outcomes. The assignments are determined by the study protocol. Participants may receive diagnostic, therapeutic, or other types of interventions. For clinical trials on veterinary animals see CLINICAL TRIAL, VETERINARY. Clinical Trials was used for both humans and non-humans prior to 2019.

MeSH classification

  • V03.175.250

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Related concepts

Adaptive Clinical Trial

Clinical study in which a prospectively planned opportunity is included to modify trial designs and hypotheses based on analysis of data fro…

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Clinical Trial, Phase I

Work that is the report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or proph…

Clinical Trial, Phase II

Work that is a report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or prophyl…

Clinical Trial, Phase III

Work that is a report of a pre-planned, usually controlled, clinical study of the safety and efficacy of diagnostic, therapeutic, or prophyl…

Clinical Trial, Phase IV

Work that is a report of a planned post-marketing study of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques that have …

Clinical Trial Protocol

The written description of a clinical study. It contains the study's objectives, design, and methods including subject target and/or enrollm…

Clinical Trial, Veterinary

A work in which animal participants are assigned to receive one or more interventions so that researchers can evaluate the interventions on …

Common questions about Clinical Trial

What does Clinical Trial mean in medicine?
A work that reports on the results of a clinical study in which participants are assigned to receive one or more interventions so that researchers can evaluate the interventions on biomedical or health-related outcomes. The assignments are determined by the study protocol. Participants may receive diagnostic, therapeutic, or other types of interventions. For clinical trials on veterinary animals see CLINICAL TRIAL, VETERINARY. Clinical Trials was used for both humans and non-humans prior to 2019. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Clinical Trial known by any other names?
Yes. Clinical Trial is also referred to as Intervention Study in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Clinical Trial sit in the medical classification?
Clinical Trial falls under the broader medical category "Publication Characteristics" in the MeSH hierarchy (tree numbers: V03.175.250). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Clinical Trial?
For a plain-language explanation of Clinical Trial - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 22+ Indian languages, is free and needs no signup. Tap "Ask GoDavaii AI about Clinical Trial" above.

Source: NIH MeSH 2026 (D016430) — National Library of Medicine, public domain. View official MeSH record ↗