A comparative analysis of important public clinical trial registries, and a proposal for an interim ideal one

Hidden duplicates: 10s or 100s of Indian trials, registered with ClinicalTrials.gov, have not been registered in India, as required by law

(2020) Sangeeta Kumari et al.   PLoS One

Evaluation of Journal Registration Policies and Prospective Registration of Randomized Clinical Trials of Nonregulated Health Care Interventions

(2019) Marleine Azar et al.   JAMA Internal Medicine

Some data quality issues at ClinicalTrials.gov

(2019) Neha Chaturvedi et al.   Trials

Sharing of clinical trial data and results reporting practices among large pharmaceutical companies: cross sectional descriptive study and pilot of a tool to improve company practices

(2019) Jennifer Miller et al.   BMJ-British Medical Journal

An analysis of deficiencies in the data of interventional drug trials registered with Clinical Trials Registry - India

(2019) Mounika Pillamarapu et al.   Trials

Prevalence of clinical trial status discrepancies: A cross-sectional study of 10,492 trials registered on both ClinicalTrials.gov and the European Union Clinical Trials Register

(2018) Jessica Fleminger et al.   PLoS One

Update on Trial Registration 11 Years after the ICMJE Policy Was Established

(2017) Deborah A. Zarin et al.   NEW ENGLAND JOURNAL OF MEDICINE

Discrepancies between ClinicalTrials.gov recruitment status and actual trial status: a cross-sectional analysis

(2017) Christopher W Jones et al.   BMJ Open

Measuring clinical trial transparency: an empirical analysis of newly approved drugs and large pharmaceutical companies

(2017) Jennifer E Miller et al.   BMJ Open

OpenTrials: towards a collaborative open database of all available information on all clinical trials

(2016) Ben Goldacre et al.   Trials

When are clinical trials registered? An analysis of prospective versus retrospective registration

(2016) Stephanie L. Harriman et al.   Trials

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

How to Get All Trials Reported: Audit, Better Data, and Individual Accountability

(2015) Ben Goldacre   PLOS MEDICINE

Terminated Trials in the ClinicalTrials.gov Results Database: Evaluation of Availability of Primary Outcome Data and Reasons for Termination

(2015) Rebecca J. Williams et al.   PLoS One

Increasing value and reducing waste: addressing inaccessible research

(2014) An-Wen Chan et al.   LANCET

The Quality of Registration of Clinical Trials: Still a Problem

(2014) Roderik F. Viergever et al.   PLoS One

Impact of Inclusion of Industry Trial Results Registries as an Information Source for Systematic Reviews

(2014) Regine Potthast et al.   PLoS One

Characteristics of clinical trial websites: information distribution between ClinicalTrials.gov and 13 primary registries in the WHO registry network

(2014) Daisuke Ogino et al.   Trials

The global landscape of stem cell clinical trials

(2013) Matthew D Li et al.   Regenerative Medicine

Reporting of methods was better in the Clinical Trials Registry-India than in Indian journal publications

(2012) Prathap Tharyan et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Access to data in industry-sponsored trials

(2011) Andreas Lundh et al.   LANCET

The Quality of Registration of Clinical Trials

(2011) Roderik F. Viergever et al.   PLoS One

Clinical Trials Registry - India: Redefining the conduct of clinical trials

(2009) A Pandey et al.   INDIAN JOURNAL OF CANCER

Compliance of clinical trial registries with the World Health Organization minimum data set: a survey

(2009) Lorenzo P Moja et al.   Trials

National and multinational prospective trial registers

(2008) Liesl Grobler et al.   LANCET