Systematic review finds that study data not published in full text articles have unclear impact on meta-analyses results in medical research

Sharing of Data From Industry-Funded Registered Clinical Trials

(2016) Isabelle Boutron et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Methods for detecting, quantifying, and adjusting for dissemination bias in meta-analysis are described

(2016) Katharina Felicitas Mueller et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Reporting of Adverse Events in Published and Unpublished Studies of Health Care Interventions: A Systematic Review

(2016) Su Golder et al.   PLOS MEDICINE

Authors report lack of time as main reason for unpublished research presented at biomedical conferences: a systematic review

(2015) Roberta W. Scherer et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Evidence-informed recommendations to reduce dissemination bias in clinical research: conclusions from the OPEN (Overcome failure to Publish nEgative fiNdings) project based on an international consensus meeting

(2015) J. J. Meerpohl et al.   BMJ Open

Clinical trial registration, reporting, publication and FDAAA compliance: a cross-sectional analysis and ranking of new drugs approved by the FDA in 2012

(2015) Jennifer E Miller et al.   BMJ Open

Does Publication Bias Inflate the Apparent Efficacy of Psychological Treatment for Major Depressive Disorder? A Systematic Review and Meta-Analysis of US National Institutes of Health-Funded Trials

(2015) Ellen Driessen et al.   PLoS One

Increasing value and reducing waste: addressing inaccessible research

(2014) An-Wen Chan et al.   LANCET

Dissemination Bias in Systematic Reviews of Animal Research: A Systematic Review

(2014) Katharina F. Mueller et al.   PLoS One

Extent of Non-Publication in Cohorts of Studies Approved by Research Ethics Committees or Included in Trial Registries

(2014) Christine Schmucker et al.   PLoS One

The Tamiflu trials

(2014) E. Loder et al.   BMJ-British Medical Journal

Dabigatran: how the drug company withheld important analyses

(2014) D. Cohen   BMJ-British Medical Journal

Benefits and harms in clinical trials of duloxetine for treatment of major depressive disorder: comparison of clinical study reports, trial registries, and publications

(2014) E. Maund et al.   BMJ-British Medical Journal

Potential Reporting Bias in fMRI Studies of the Brain

(2013) Sean P. David et al.   PLoS One

Unpublished data can be of value in systematic reviews of adverse effects: methodological overview

(2010) Su Golder et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Clinical trials should begin and end with systematic reviews of relevant evidence: 12 years and waiting

(2010) Mike Clarke et al.   LANCET

Selective Publication of Antidepressant Trials and Its Influence on Apparent Efficacy

(2008) Erick H. Turner et al.   NEW ENGLAND JOURNAL OF MEDICINE

GRADE: an emerging consensus on rating quality of evidence and strength of recommendations

(2008) Gordon H Guyatt et al.   BMJ-British Medical Journal