Frequency of multiple changes to prespecified primary outcomes of clinical trials completed between 2009 and 2017 in German university medical centers: A meta-research study

Results publications are inadequately linked to trial registrations: An automated pipeline and evaluation of German university medical centers

(2022) Maia Salholz-Hillel et al.   Clinical Trials

The PRISMA 2020 statement: an updated guideline for reporting systematic reviews

(2021) Matthew J Page et al.   BMJ-British Medical Journal

Prospective registration and reporting of trial number in randomised clinical trials: global cross sectional study of the adoption of ICMJE and Declaration of Helsinki recommendations

(2020) Mustafa Al-Durra et al.   BMJ-British Medical Journal

Improvement of cognitive control and stabilization of affect by prefrontal transcranial direct current stimulation (tDCS)

(2019) Ariane Wiegand et al.   Scientific Reports

Result dissemination from clinical trials conducted at German university medical centers was delayed and incomplete

(2019) Susanne Wieschowski et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Primary outcome switching among drug trials with and without principal investigator financial ties to industry: a cross-sectional study

(2018) Christopher W Jones et al.   BMJ Open

Changes to registration elements and results in a cohort of Clinicaltrials.gov trials were not reflected in published articles

(2016) Shelly Pranić et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Comparison of registered and published outcomes in randomized controlled trials: a systematic review

(2015) Christopher W. Jones et al.   BMC Medicine

Reporting Discrepancies Between the ClinicalTrials.gov Results Database and Peer-Reviewed Publications

(2014) Daniel M. Hartung et al.   ANNALS OF INTERNAL MEDICINE

Registration and design alterations of clinical trials in critical care: a cross-sectional observational study

(2014) Vijay Anand et al.   INTENSIVE CARE MEDICINE

Reporting of Results in ClinicalTrials.gov and High-Impact Journals

(2014) Jessica E. Becker et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Co-administration of a meningococcal glycoconjugate ACWY vaccine with travel vaccines: A randomized, open-label, multi-center study

(2014) Martin Alberer et al.   Travel Medicine and Infectious Disease

Outcome Reporting Among Drug Trials Registered in ClinicalTrials.gov

(2013) Florence T. Bourgeois   ANNALS OF INTERNAL MEDICINE

Comparison of Randomized Controlled Trial Registry Entries and Content of Reports in Surgery Journals

(2013) Rachel Rosenthal et al.   ANNALS OF SURGERY

Comparison of Registered and Published Primary Outcomes in Randomized Clinical Trials of Surgical Interventions

(2013) Gerjon Hannink et al.   ANNALS OF SURGERY

Registration Rates, Adequacy of Registration, and a Comparison of Registered and Published Primary Outcomes in Randomized Controlled Trials Published in Surgery Journals

(2013) Shane Killeen et al.   ANNALS OF SURGERY

World Medical Association Declaration of Helsinki

(2013)   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Discrepancies between registered and published primary outcome specifications in analgesic trials: ACTTION systematic review and recommendations

(2013) Shannon M. Smith et al.   PAIN

Use of Trial Register Information during the Peer Review Process

(2013) Sylvain Mathieu et al.   PLoS One

Comparison of registered and published primary outcomes in randomized controlled trials of gastroenterology and hepatology

(2013) Xiao-Qian Li et al.   SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY

Publication of Sports Medicine–Related Randomized Controlled Trials Registered in ClinicalTrials.gov

(2012) Jaskarndip Chahal et al.   AMERICAN JOURNAL OF SPORTS MEDICINE

Quality of Registration for Clinical Trials Published in Emergency Medicine Journals

(2012) Christopher W. Jones et al.   ANNALS OF EMERGENCY MEDICINE

Prospective Registration and Outcome-Reporting Bias in Randomized Controlled Trials of Eczema Treatments: A Systematic Review

(2012) Helen Nankervis et al.   JOURNAL OF INVESTIGATIVE DERMATOLOGY

Many Randomized Trials of Physical Therapy Interventions Are Not Adequately Registered: A Survey of 200 Published Trials

(2012) R. Z. Pinto et al.   PHYSICAL THERAPY

Comparison of published orthopaedic trauma trials following registration in Clinicaltrials.gov

(2011) Rajiv Gandhi et al.   BMC MUSCULOSKELETAL DISORDERS

The ClinicalTrials.gov Results Database — Update and Key Issues

(2011) Deborah A. Zarin et al.   NEW ENGLAND JOURNAL OF MEDICINE

Transparency of outcome reporting and trial registration of randomized controlled trials in top psychosomatic and behavioral health journals: A systematic review

(2010) Katherine Milette et al.   JOURNAL OF PSYCHOSOMATIC RESEARCH

Undisclosed Changes in Outcomes in Randomized Controlled Trials: An Observational Study

(2009) R. Ewart et al.   ANNALS OF FAMILY MEDICINE

Comparison of Registered and Published Primary Outcomes in Randomized Controlled Trials

(2009) Sylvain Mathieu   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Trial Publication after Registration in ClinicalTrials.Gov: A Cross-Sectional Analysis

(2009) Joseph S. Ross et al.   PLOS MEDICINE