Analytical, Diagnostic and Therapeutic Techniques, and Equipment [E] » Investigative Techniques [E05] » Epidemiologic Methods » Epidemiologic Study Characteristics » Clinical Studies as Topic » Clinical Trials as Topic » Clinical Trials, Phase III as Topic
Health Care [N] » Health Care Quality, Access, and Evaluation [N05] » Quality of Health Care » Health Care Evaluation Mechanisms » Epidemiologic Study Characteristics » Clinical Studies as Topic » Clinical Trials as Topic » Clinical Trials, Phase III as Topic
Health Care [N] » Environment and Public Health [N06] » Public Health » Epidemiologic Methods » Epidemiologic Study Characteristics » Clinical Studies as Topic » Clinical Trials as Topic » Clinical Trials, Phase III as Topic
Description
Works about comparative studies to verify the effectiveness of diagnostic, therapeutic, or prophylactic drugs, devices, or techniques determined in phase II studies. During these trials, patients are monitored closely by physicians to identify any adverse reactions from long-term use. These studies are performed on groups of patients large enough to identify clinically significant responses and usually last about three years. This concept includes phase III studies conducted in both the U.S. and in other countries. MeSH
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