Effectiveness of thalidomide for ankylosing spondylitis: a meta-analysis of randomized controlled trials in China

Several studies have demonstrated the benefits of thalidomide as a treatment for patients with ankylosing spondylitis (AS); however, published literature reported controversial results. We conducted a meta-analysis to systematically evaluate the efficacy of thalidomide in AS patients. PubMed, Embase, Cochrane Library, Web of Science, Wanfang Data, and China National Knowledge Infrastructure (CNKI) were searched for relevant studies. The Q test and I