This overview is a glance at major phase I, phase II, phase III and phase IV clinical trial phases that are considered potentially compulsory for the overall success of drug or therapeutic development ...

a crucial aspect of conducting successful early phase trials is the careful preparation of both investigational and non-investigational products to be used in a clinical trial setting. With ...

Phase 4 trials look at how well the new treatment works over a long period of time and monitor side effects. A clinical trial can give you early access to a new drug or other treatment.

The proportion increases when considering off-label use but drops when considering drugs with substantial clinical benefit. HealthDay News — One in 6 patients in phase 2 clinical cancer trials ...