III/IV - A combination of phases: (3) Research Studies that gather more information about a drug's safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. These studies typically involve more participants. and (4) Research Studies occurring after FDA has approved a drug for marketing. These studies gather additional information about a drug's safety, efficacy, or optimal use.
Childrens Hospital Colorado
Department Specific Free Standing Clinic
Shanlee Davis, MD, MSCS
Protocol Number: 17-1317
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