administering trials

When Did The FDA Start Requiring Clinical Trials?

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When Did The FDA Start Requiring Clinical Trials? Although FDA had authority under the 1938 Act to establish rules governing the use of investigational drugs, FDA did not employ this authority to regulate clinical trials and clinical trial methodology until 1961. When did FDA start requiring clinical trials? Although FDA had authority under the 1938

What Are The Five Most Common Types Of Clinical Trials?

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What Are The Five Most Common Types Of Clinical Trials? There are several types of cancer clinical trials, including treatment trials, prevention trials, screening trials, supportive and palliative care trials, and natural history studies. What are the five types of clinical trials defined by the National Institute of Health NIH )? Screening trials test new