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Clinical trial costs have surged over the past decade, with recent reports stating that from 2008 to 2013, the average cost per patient increased by $23,600, or by 157%. A major contributor to the cost of a clinical trial is subject recruitment and the associated staff costs. So, examining every opportunity to reduce the sample size for a study is an important and necessary step in drug development. Reducing sample size without losing power can be accomplished by one of three principles. In this infographic, Statsols examines these and present 15 ways researchers can reduce sample size in clinical trials. Check out the infographic here.