NCT02569411已完成不适用
Contacting Authors to Retrieve Individual Patient Data: Protocol for a Randomized Controlled Trial
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 129
- 主要终点
- Proportion of Authors Who Provided Complete IPD
研究概览
简要总结
The objective of this study is to examine the impact of incentivizing authors of RCTs that are eligible for a systematic review and meta-analysis, versus usual contact strategies to obtain original IPD
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Other
- 盲法
- Single (Investigator)
入排标准
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Corresponding authors of RCTs included in our previous and updated systematic reviews
排除标准
- 未提供
结局指标
主要结局
Proportion of Authors Who Provided Complete IPD
时间窗: June 2016 - October 2016
We contacted authors of eligible studies from June 2016 to October 2016. Authors were first contacted in June 2016, where we sent: a) an email requesting their IPD, b) email reminders (4 in total) at 2, 6, 10, and 14-week intervals after the initial email, c) reminders by post in week 7, and d) reminders via telephone in week 15.
次要结局
- Time Taken to Obtain the IPD Between Initial Request and Authors' Provision(June 2016 - October 2016)
- The Completeness of the IPD Received(June 2016 - October 2016)
研究者
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