What Are Clinical Trials?

We hear a lot about clinical trials, but what are they and who do they benefit? Clinical trials are studies that drug companies use to test new medications and therapies.

Types of Trials
There are four different types of trials: Phase 1, Phase 2, Phase 3 and randomized clinical trials. Phase 1 trials are typically used with new drugs or treatments and usually involve a smaller number of. At this stage, there are a lot of unknown factors, such as effectiveness and possible side effects, and volunteers are closely monitored. Phase 2 trials happen after the initial effects are know, and involve larger pools of volunteers.