Gastric cancer database

Database of registered and published studies related with gastric cancer. - Clinical trials. - Observational studies: case-control, cohort, cross-sectional, prevalence, gastric cancer registers. This database complies with the terms and conditions of ClinicalTrials.gov (available at:http://clinicaltrials.gov/ct2/about-site/terms-conditions) and the WHO ICTRP (available at: http://www.who.int/ictrp/search/download/en/) for using downloaded data. Database in progress. __________________ <br><strong>1. PubMed search query (October 2, 2014)</strong> 277 results for Gastric Cancer | Interventional studies | recruitment completed before Jan 1st, 2011 | ClinicalTrials.gov (search Date 30/5/2014)<br>- Published: 49 (18%)<br>- Unpublished: 228 (82%) <strong>Pending (precise estimations of published/unpublished clinical trials)</strong> Embase, EBSCO Discovery, Google Scholar, Identification of published clinical trials using other registry data fields as search terms (e.g., other IDs, title, interventions, website of trial registry).

胃癌相关已注册及已发表研究数据库。涵盖临床试验与各类观察性研究，其中观察性研究包括病例对照研究、队列研究、横断面研究、现况调查及胃癌登记研究。本数据库遵循ClinicalTrials.gov（访问网址：http://clinicaltrials.gov/ct2/about-site/terms-conditions）与世界卫生组织国际临床试验注册平台（WHO International Clinical Trials Registry Platform, WHO ICTRP，访问网址：http://www.who.int/ictrp/search/download/en/）关于下载使用数据的条款与条件。本数据库尚在持续更新完善中。
──────────────────<br><strong>1. PubMed检索策略（2014年10月2日）</strong> 以胃癌、干预性研究、2011年1月1日前完成受试者入组、ClinicalTrials.gov为检索条件，共得到277条结果（检索日期：2014年5月30日）<br>- 已发表：49项（占比18%）<br>- 未发表：228项（占比82%）<strong>待完善（已发表/未发表临床试验的精确统计仍在进行中）</strong><br>此外，本数据库还通过Embase、EBSCO Discovery、Google Scholar，以及以其他注册数据字段（如其他试验编号、试验标题、干预措施、试验注册网站）为检索词的方式，识别已发表的临床试验。