منابع مشابه
Systematic review protocol assessing the processes for linking clinical trial registries and their published results
INTRODUCTION Clinical trial registries are an important source of information for tracking clinical trials from their inception through to their reporting, and have been used to measure publication bias and outcome reporting bias. Our aim is to survey and quantify the processes that have been used to identify links between clinical trial registries and published trial reports in studies that re...
متن کاملTiming and Completeness of Trial Results Posted at ClinicalTrials.gov and Published in Journals
BACKGROUND The US Food and Drug Administration Amendments Act requires results from clinical trials of Food and Drug Administration-approved drugs to be posted at ClinicalTrials.gov within 1 y after trial completion. We compared the timing and completeness of results of drug trials posted at ClinicalTrials.gov and published in journals. METHODS AND FINDINGS We searched ClinicalTrials.gov on M...
متن کاملAssociation of trial registration with the results and conclusions of published trials of new oncology drugs
BACKGROUND Registration of clinical trials has been introduced largely to reduce bias toward statistically significant results in the trial literature. Doubts remain about whether advance registration alone is an adequate measure to reduce selective publication, selective outcome reporting, and biased design. One of the first areas of medicine in which registration was widely adopted was oncolo...
متن کاملA systematic review of the processes used to link clinical trial registrations to their published results
BACKGROUND Studies measuring the completeness and consistency of trial registration and reporting rely on linking registries with bibliographic databases. In this systematic review, we quantified the processes used to identify these links. METHODS PubMed and Embase databases were searched from inception to May 2016 for studies linking trial registries with bibliographic databases. The process...
متن کاملInitial and Late Results of Freedom Coronary Stent
OBJECTIVES Initial and late results after implantation of Freedom stents, a balloon expandable stainless steel coil stents were evaluated. METHODS From Jun. 1996 to Nov. 1997, we implanted 123 Freedom stents in 122 lesions in 117 patients and performed follow-up coronary angiograms at 7.0 +/- 3.6 months after stents placement. Clinical courses after stenting and follow-up coronary angiographi...
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ژورنال
عنوان ژورنال: Nature Reviews Cardiology
سال: 2012
ISSN: 1759-5002,1759-5010
DOI: 10.1038/nrcardio.2012.167