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Explanation: ... . Phase IV. Phase IV trials involve the post-launch safety surveillance and ongoing technical support of a drug. Phase IV studies ...
Drug-Safety Surveillance. (Ivanhoe Newswire) -- Pharmaceutical companies may need a watch dog during the post-marketing phase of their products, according to a ... www.ivanhoe.com/channels/p_channelstory. cfm?storyid=9979&channelid=CHAN-100010