Searching for trial protocols: A comparison of methods

scientific article published on 31 October 2017

Searching for trial protocols: A comparison of methods is …
instance of (P31):
scholarly articleQ13442814

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P356DOI10.1002/JRSM.1281
P698PubMed publication ID29088503

P50authorAndrew BoothQ38549369
Anthea SuttonQ50136301
P2093author name stringJoanna Leaviss
Maria Carmen Galvan De La Cruz
P2860cites workOut of sight but not out of mind: how to search for unpublished clinical trial evidenceQ37972979
Reducing waste from incomplete or unusable reports of biomedical researchQ38177450
Increasing value and reducing waste in biomedical research: who's listening?Q38595958
Clinical trial registries: more international, converging efforts are neededQ42319396
SPIRIT 2013: new guidance for content of clinical trial protocolsQ43783134
Selective reporting in clinical trials: analysis of trial protocols accepted by The LancetQ45852240
Reducing publication bias through trial registrationQ50157261
Clinical Trial Registration: A Statement from the International Committee of Medical Journal EditorsQ55894706
Comparison of protocols and registry entries to published reports for randomised controlled trialsQ24235035
Methods for obtaining unpublished dataQ24235417
Outcome Reporting Among Drug Trials Registered in ClinicalTrials.govQ24289273
Outcome reporting bias in randomized trials funded by the Canadian Institutes of Health ResearchQ28285027
The quality of registration of clinical trialsQ28477261
The citation of relevant systematic reviews and randomised trials in published reports of trial protocolsQ28588953
Trends in global clinical trial registration: an analysis of numbers of registered clinical trials in different parts of the world from 2004 to 2013Q28606883
Reporting discrepancies between the ClinicalTrials.gov results database and peer-reviewed publicationsQ28608557
Strategies for obtaining unpublished drug trial data: a qualitative interview studyQ28681320
SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trialsQ28710019
Completeness and changes in registered data and reporting bias of randomized controlled trials in ICMJE journals after trial registration policyQ28744662
Empirical evidence for selective reporting of outcomes in randomized trials: comparison of protocols to published articlesQ29618882
Systematic review of the empirical evidence of study publication bias and outcome reporting biasQ29619094
CONSORT 2010 statement: updated guidelines for reporting parallel group randomized trialsQ29620359
Impact of searching clinical trial registries in systematic reviews of pharmaceutical treatments: methodological systematic review and reanalysis of meta-analysesQ30235881
Reporting of a Publicly Accessible Protocol and Its Association With Positive Study Findings in Cardiovascular Trials (from the Epidemiological Study of Randomized Trials [ESORT]).Q30488245
Searching for unpublished data for Cochrane reviews: cross sectional studyQ30619697
Avoidable waste in the production and reporting of research evidenceQ30911439
Discrepancies in sample size calculations and data analyses reported in randomised trials: comparison of publications with protocolsQ33389750
Methodological developments in searching for studies for systematic reviews: past, present and future?Q33590254
Searching ClinicalTrials.gov and the International Clinical Trials Registry Platform to inform systematic reviews: what are the optimal search approaches?Q33825252
The ClinicalTrials.gov Results Database — Update and Key IssuesQ33834724
A systematic review of the processes used to link clinical trial registrations to their published resultsQ33864361
Despite Law, Fewer Than One In Eight Completed Studies Of Drugs And Biologics Are Reported On Time On ClinicalTrials.govQ34029690
Identifying outcome reporting bias in randomised trials on PubMed: review of publications and survey of authorsQ34389549
Trial registration numbers are underreported in biomedical publicationsQ34482583
How often do US-based human subjects research studies register on time, and how often do they post their results? A statistical analysis of the Clinicaltrials.gov databaseQ36205488
Can we depend on investigators to identify and register randomized controlled trials?Q36227069
Guidelines for randomized clinical trial protocol content: a systematic reviewQ36498818
Systematic review protocol assessing the processes for linking clinical trial registries and their published resultsQ37356008
Prospective trial registration for clinical research: what is it, what is it good for, and why do I care?Q37944418
P577publication date2017-10-31
P1433published inResearch Synthesis MethodsQ26842395
P1476titleSearching for trial protocols: A comparison of methods

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