What is True for Phase IV of clinical trials: March 2012 and explain in detail?
Ans: C i.e. After-marketing surveillance of drugs Phases of clinical trial Phase IV of clinical trial is post marketing surveillance (data collected about the efficacy, acceptability and adverse effects of the drug). Fuher therapeutic trials involving special groups like children, elderly, pregnant/ lactating women, patients with renal/hepatic diseases etc.(which are generally excluded from clinical trials) may be undeaken at this stage Phase I of clinical trial is human pharmacology and safety