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Descriptor English: Placebos
Descriptor Spanish: Placebos
Descriptor Portuguese: Placebos
Descriptor French: Placebo
Entry term(s): Sham Treatment
Tree number(s): D26.660
E02.785
HP3.073.433
HP7.007.130
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D010919
Scope note: Any dummy medication or treatment. Although placebos originally were medicinal preparations having no specific pharmacological activity against a targeted condition, the concept has been extended to include treatments or procedures, especially those administered to control groups in clinical trials in order to provide baseline measurements for the experimental protocol.
Annotation: usually NIM; do not index routinely for articles on CLINICAL TRIALS AS TOPIC; DOUBLE-BLIND METHOD; etc., unless particularly discussed; Manual 18.12.13
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AN analysis
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
DeCS ID: 11350
Unique ID: D010919
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2009/07/13
Placebos - Preferred
Concept UI M0016932
Scope note Any dummy medication or treatment. Although placebos originally were medicinal preparations having no specific pharmacological activity against a targeted condition, the concept has been extended to include treatments or procedures, especially those administered to control groups in clinical trials in order to provide baseline measurements for the experimental protocol.
Preferred term Placebos
Entry term(s) Sham Treatment



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