‘Phase 4 trial’ refers to the long-term monitoring that sometimes occurs after a drug has been licensed for use and put on the market. Phase 4 trials are to assess any long-term side effects of a new treatment. There are very few Phase 4 trials.
‘Phase 4 trial’ refers to the long-term monitoring that sometimes occurs after a drug has been licensed for use and put on the market. Phase 4 trials are to assess any long-term side effects of a new treatment. There are very few Phase 4 trials.