TY - JOUR T1 - Delays in publishing systematic review registrations in PROSPERO are hindering transparency and may lead to research waste JF - BMJ Evidence-Based Medicine JO - BMJ EBM DO - 10.1136/bmjebm-2020-111474 SP - bmjebm-2020-111474 AU - Livia Puljak Y1 - 2020/07/14 UR - http://ebm.bmj.com/content/early/2020/07/14/bmjebm-2020-111474.abstract N2 - PROSPERO is an international prospective registry of systematic reviews.1 Registering a systematic review prospectively is considered a good research practice for multiple reasons, including transparency of the planned methods and prevention of unnecessary duplication of effort. Solla et al 2 recently reported concerns that PROSPERO registration may not prevent double review on the same topic because the PROSPERO search engine is apparently failing in finding similar review projects.Another pertinent current problem of PROSPERO may hinder intended transparency and promote research waste and duplication efforts, namely, major delays in checking and publishing registrations that the PROSPERO is experiencing.1 … ER -