Noncommercial Funders' Policies on Trial Registration, Access to Summary Results, and Individual Patient Data Availability.

Clinical trial funders can promote transparency and prevent publication bias through clear policies.1-3 In a May 2017 World Health Organization (WHO) joint statement, funders pledged to develop policies, within year of signing, that will require funded trials to be registered and reported, and improve individual patient data (IPD) sharing. We assessed trials transparency policies from a sample of noncommercial funders in these domains.