Background The aim of this bibliometric analysis was to evaluate the clinical trials of randomized controlled trials (RCTs) of colorectal cancer all the world over the past decade. Methods The PubMed and Web of Science database were searched to obtain a randomized controlled trial of colorectal cancer from January 1, 2008 to January 1, 2018.The included literatures were analyzed with the bibliometric analysis. Results In the past 10 years, Randomized controlled trials of colorectal cancer have shown an upward trend; Most of the top ten research institutions in the literature are from the USA, the UK and other regions which has the high incidence of colorectal cancer; Most of the related research journals are also sponsored by European and American countries; the frequently cited top 15 literatures are mostly international multi-center clinical research, and there are fewer participants in Chinese research institutions. By keyword co-occurrence, colorectal cancer research mostly involves screening, disease-free survival, drug treatment, surgical methods, clinical trials, quality of life and prognosis; The results of the co-authorship network analysis show that Chinese researchers are less involved in international cooperation. Conclusions High-quality randomized controlled trials are increasingly favored by top international journals. However, there is still a large gap in clinical research between China and abroad. Researchers should gradually implement the standardization and accuracy of clinical trials, strengthen international multi-center cooperation and emphasize quality control.
Background This study investigated and analyzed rectal cancer-related clinical trials registered on Chinese Clinical Trial Registry (Chi-CTR) by the end of 2018. We aimed to discuss the characteristics and developmental trends. Methods The Chi-CTR database was searched and all clinical trials related to rectal cancer extracted. The time limit for the search was from the establishment of the data library to December 31, 2018. The characteristics of registered clinical trials were then analyzed. Results A total of 70 clinical trials were retreived. Beijing, Shandong, and Guangzhou accounted for 47.1% of the total number of registered clinical trials. Sichuan and Sun Yat-sen Universities having the highest number of registrations. The registration status of the 55 trials was prospective registration. The top sources of funding were self-financing (41.4%), hospital funding (22.9%) and local finance (15.7%). Out of the 43 randomized controlled trials, 39 were either blank or missing in the blinded section. The sample size of clinical trials was high in 100 to 199 cases. Only eight of the 70 trials were multicenter clinical trials. Conclusions Relevant departments should increase the registration of clinical trials, increase the awareness of registration, and promote the development of high-quality clinical trials. At the same time, researchers should raise the awareness of clinical trial registration, and actively carry out multi-center clinical trials.
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