Figure 2From: Impact assessment of the European Clinical Trials Directive: a longitudinal, prospective, observational study analyzing patterns and trends in clinical drug trial applications submitted since 2001 to regulatory agencies in six EU countries Population-size-adjusted clinical trial activity across six EU member states. The ultimate outcome of the EUCTD results in the leveling of clinical trials activities across the six analyzed EU member states. As in the previous figure, UK data do not include phase I trials.Back to article page