Database -- 4496 studies found for: Closed Studies | Interventional Studies | Germany | United Kingdom | France | Phase 3 | received from 01/01/2002 to 01/01/2014
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Results: 4496 studies – 67.2% of studies registered in Europe using the above search criteria Around 50% of phase 3 trials completed before Jan 2011 are unpublished. Reference Ramirez, Jorge H (2014): Phase 3 trials evaluating drugs & biologicals – studies located in Germany, UK, and France => ~ 50% unpublished. figshare.
创建时间：
2014-11-16
