Systematic Reviews Published in the Cochrane Library April–May 2017

The Cochrane Library of Systematic Reviews is published monthly online ( http://www.thecochranelibrary.com ). The library currently contains 7332 complete reviews and 2520 protocols for reviews in production. In addition, there are citations of 1,055,253 randomized controlled trials and 15,764 cited papers in the Cochrane Methodology Register. The Health Technology Assessment database contains some 17,000 citations. The impact factor of the Cochrane Library stands at 6.1. This report attempted to identify all relevant reviews published in the 2 months to May 31, 2017. Eight reviews have been identified that have potential relevance for practitioners in pain and palliative medicine. Readers are encouraged to access the full report for any articles of interest, as only a brief commentary is provided.