Cross-sectional study of preprints and final journal publications from COVID-19 studies: discrepancies in results reporting and spin in interpretation

QT Interval Prolongation and Torsade De Pointes in Patients with COVID-19 treated with Hydroxychloroquine/Azithromycin

(2020) Ehud Chorin et al.   HEART RHYTHM

Hydroxychloroquine and azithromycin as a treatment of COVID-19: results of an open-label non-randomized clinical trial

(2020) Philippe Gautret et al.   INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS

Hydroxychloroquine in patients with mainly mild to moderate coronavirus disease 2019: open label, randomised controlled trial

(2020) Wei Tang et al.   BMJ-British Medical Journal

Effect of High vs Low Doses of Chloroquine Diphosphate as Adjunctive Therapy for Patients Hospitalized With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection

(2020) Mayla Gabriela Silva Borba et al.   JAMA Network Open

COVID-19 randomized controlled trials in medRxiv and PubMed

(2020) Yuki Kataoka et al.   European Journal of Internal Medicine

Nebulized in-line endotracheal dornase alfa and albuterol administered to mechanically ventilated COVID-19 patients: a case series

(2020) Andrew G. Weber et al.   MOLECULAR MEDICINE

Factors associated with adherence to self-isolation and lockdown measures in the UK: a cross-sectional survey

(2020) L.E. Smith et al.   PUBLIC HEALTH

Convalescent plasma in the management of moderate covid-19 in adults in India: open label phase II multicentre randomised controlled trial (PLACID Trial)

(2020) Anup Agarwal et al.   BMJ-British Medical Journal

Changes in evidence for studies assessing interventions for COVID-19 reported in preprints: meta-research study

(2020) Theodora Oikonomidi et al.   BMC Medicine

Systematic examination of preprint platforms for use in the medical and biomedical sciences setting

(2020) Jamie J Kirkham et al.   BMJ Open

Shepherding preprints through a pandemic

(2020) Theodora Bloom   BMJ-British Medical Journal

Effect and Reach of Medical Articles Posted on Preprint Servers During the COVID-19 Pandemic

(2020) Ye Eun (Grace) Jung et al.   JAMA Internal Medicine

Misrepresentation and distortion of research in biomedical literature

(2018) Isabelle Boutron et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

‘Spin’ in published biomedical literature: A methodological systematic review

(2017) Kellia Chiu et al.   PLOS BIOLOGY

Peer reviewers identified spin in manuscripts of nonrandomized studies assessing therapeutic interventions, but their impact on spin in abstract conclusions was limited

(2016) Clément Lazarus et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Impact of peer review on reports of randomised trials published in open peer review journals: retrospective before and after study

(2014) S. Hopewell et al.   BMJ-British Medical Journal

The ClinicalTrials.gov Results Database — Update and Key Issues

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

Comparison of Registered and Published Primary Outcomes in Randomized Controlled Trials

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

Research electronic data capture (REDCap)—A metadata-driven methodology and workflow process for providing translational research informatics support

(2008) Paul A. Harris et al.   JOURNAL OF BIOMEDICAL INFORMATICS