临床试验数据共享研究进展，很好的资料，大家可以看看大量的临床试验结果没有公布，数据很难共享。

研究发现近一半临床试验未公布结果   http://news.sciencenet.cn/htmlnews/2016/11/360496.shtm

Tracker flags up failures to report clinical trials

• Heidi Ledford

http://www.nature.com/news/tracker-flags-up-failures-to-report-clinical-trials-1.20930

The TrialsTracker: Automated ongoing monitoring of failure to share clinical trial results by all major companies and research institutions https://f1000research.com/articles/5-2629/v1

Who's not sharing their trial results?Trials by year

Since Jan 2006, all major trial sponsors completed 25,927 eligible trials and haven't published results for 11,714 trials. That means 45.2% of their trials are missing results.  https://trialstracker.ebmdatalab.net/#/

https://clinicaltrials.gov/