Search on: CLINICAL TRIALS, PHASE II AS TOPIC 
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Descriptor English:   Clinical Trials, Phase II as Topic 
Descriptor Spanish:   Ensayos Clínicos Fase II como Asunto 
Descriptor Portuguese:   Ensaios Clínicos Fase II como Assunto 
Tree Number:   E05.318.760.535.210
E05.337.250.210
G03.850.520.450.535.210
N05.715.360.775.235.210
VS2.002.003.001.003.002
Definition English:   Studies that are usually controlled to assess the effectiveness and dosage (if appropriate) of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques. These studies are performed on several hundred volunteers, including a limited number of patients with the target disease or disorder, and last about two years. This concept includes phase II studies conducted in both the U.S. and in other countries. 
Indexing Annotation English:   for general design, methodology, economics, etc. of phase II clinical trials; a different heading CLINICAL TRIAL, PHASE II is used for reports of a specific phase II clinical trial
History Note English:   2008(1993) 
Allowable Qualifiers English:  
adverse effects classification
contraindications economics
ethics history
instrumentation legislation & jurisprudence
mortality methods
nursing psychology
statistics & numerical data standards
trends utilization
veterinary  
Record Number:   30783 
Unique Identifier:   D017322 

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