Evidence map›Paper›PMID 34268513›Full record

ArticlemedRxiv : the preprint server for health sciences2021

Heparin for Moderately Ill Patients with Covid-19.

Michelle Sholzberg, Grace H Tang, Hassan Rahhal, Musaad AlHamzah, Lisa Baumann Kreuziger, Fionnuala Ní Áinle, Faris Alomran, Khalid Alayed, Mohammed Alsheef, Fahad AlSumait and 31 more

2 registry-linked trialsOpen access · greenAbstract readPreprint
In one paragraph

Article in medRxiv : the preprint server for health sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 1 paper, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04362085 phase3completednot on this map

Coagulopathy of COVID-19: A Pragmatic Randomized Controlled Trial of Therapeutic Anticoagulation Versus Standard Care as a Rapid Response to the COVID-19 Pandemic (RAPID COVID COAG)

TypeinterventionalSponsorUnity Health TorontoRan2020 to 2021Enrolled465ConditionsCOVID-19ArmsTherapeutic Anticoagulation
NCT04444700 phase3completednot on this map

Utilização da Enoxaparina em Dose Anticoagulante em Pacientes Hospitalizados Com síndrome respiratória Aguda Grave Por COVID-19

TypeinterventionalSponsorUniversity of Sao Paulo General HospitalRan2020 to 2021Enrolled465ConditionsCOVID, Coronavirus Infection, Severe Acute Respiratory Syndrome, Thromboembolism, VenousArmsTherapeutic anticoagulation
3 · Its place in the literature

Who cites it

1 citing paper in PubMed, 1 synthesis or guideline pooled it, 35 citations in OpenAlex.

  1. Pooled it
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

41 authors at 20 institutions in 8 countries.

Michelle Sholzberg
Grace H Tang
Hassan Rahhal
Musaad AlHamzah
Lisa Baumann Kreuziger
Fionnuala Ní Áinle
Faris Alomran
Khalid Alayed
Mohammed Alsheef
Fahad AlSumait
Carlos Eduardo Pompilio
Catherine Sperlich
Sabrena Tangri
Terence Tang
Peter Jaksa
Deepa Suryanarayan
Mozah Almarshoodi
Lana Castellucci
Paula D James
David Lillicrap
Marc Carrier
Andrew Beckett
Christos Colovos
Jai Jayakar
Marie-Pier Arsenault
Cynthia Wu
Karine Doyon
E Roseann Andreou
Vera Dounaevskaia
Eric K Tseng
Gloria Lim
Michael Fralick
Saskia Middeldorp
Agnes Y Y Lee
Fei Zuo
Bruno R da Costa
Kevin E Thorpe
Elnara Márcia Negri
Mary Cushman
Peter Jüni
RAPID Trial investigators
St. Michael's Hospital · CAUniversity of Toronto · CAHospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo · BRKing Fahd Medical City · SAQueen's University · CAUniversity of Ottawa · CAHôpital du Sacré-Cœur de Montréal · CAHôpital Maisonneuve-Rosemont · CAKing Faisal Specialist Hospital & Research Centre · SAKing Saud Medical City · SAKing Saud University · SAMedical College of Wisconsin · USRadboud University Nijmegen · NLSouthlake Regional Health Center · CATawam Hospital · AEUniversité de Sherbrooke · CAUniversity College Dublin · IEUniversity of Alberta Hospital · CAUniversity of Bern · CHUniversity of British Columbia · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHeparin, in addition to its anticoagulant properties, has anti-inflammatory and potential anti-viral effects, and may improve endothelial function in patients with Covid-19. Early initiation of therapeutic heparin could decrease the thrombo-inflammatory process, and reduce the risk of critical illness or death.

methodsWe randomly assigned moderately ill hospitalized ward patients admitted for Covid-19 with elevated D-dimer level to therapeutic or prophylactic heparin. The primary outcome was a composite of death, invasive mechanical ventilation, non-invasive mechanical ventilation or ICU admission. Safety outcomes included major bleeding. Analysis was by intention-to-treat.

resultsAt 28 days, the primary composite outcome occurred in 37 of 228 patients (16.2%) assigned to therapeutic heparin, and 52 of 237 patients (21.9%) assigned to prophylactic heparin (odds ratio, 0.69; 95% confidence interval [CI], 0.43 to 1.10; p=0.12). Four patients (1.8%) assigned to therapeutic heparin died compared with 18 patients (7.6%) assigned to prophylactic heparin (odds ratio, 0.22; 95%-CI, 0.07 to 0.65). The composite of all-cause mortality or any mechanical ventilation occurred in 23 (10.1%) in the therapeutic heparin group and 38 (16.0%) in the prophylactic heparin group (odds ratio, 0.59; 95%-CI, 0.34 to 1.02). Major bleeding occurred in 2 patients (0.9%) with therapeutic heparin and 4 patients (1.7%) with prophylactic heparin (odds ratio, 0.52; 95%-CI, 0.09 to 2.85).

conclusionsIn moderately ill ward patients with Covid-19 and elevated D-dimer level, therapeutic heparin did not significantly reduce the primary outcome but decreased the odds of death at 28 days. Trial registration numbers: NCT04362085 ; NCT04444700.

Identifiers

PMID34268513
PMCPMC8282099
OpenAlexW3180831563

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.