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Efforts by drug developers during the last decade to improve recruitment and retention of patients for clinical trials appear to be paying off, as enrollment timelines are now equal to or shorter than planned timelines in 77% of studies, according to a new study from the Tufts Center for the Study of Drug Development that updated global industry benchmarks for patient recruitment and retention.
A previous Tufts CSDD study completed in 2012 found that a high percentage of clinical trials had to extend planned timelines to achieve target enrollment, and nearly half of the studies (48%) took significantly longer to meet their timelines.
"The industry has responded to pressures to streamline drug development and has adopted various approaches, including implementing new tools and practices to optimize patient recruitment and retention effectiveness," said Mary Jo Lamberti, research assistant professor and associate director of sponsored research at Tufts CSDD, who led the study. "Some of these include soliciting patient input to optimize protocol design feasibility, increased use of technology solutions and mobile apps, and patient engagement models designed to lessen the burden of patient participation."
Despite the improvements, clinical trial recruitment efficiency varies across the globe, the study found. For example, Asia/Pacific and North America had the highest mean activation rates in Phase II, II/III, and III clinical trials-exceeding 85%-compared to Eastern and Western Europe, Latin America, and rest of world.
Among other key findings summarized in the January/February Tufts CSDD Impact Report, released today, were the following: