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Accès ouvert déclaré 2021 review

Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials

71Citations signalées, ce qui n’est pas une note de qualité
125Institutions déclarées
26Pays d’affiliation déclarés

Rattachement africain : se, us, ch, nl, Nigéria, bh, co, es, gb, ph, pe, ru, dk, it, au, mx, bd, be, br, de, nz, in, ir, ie, fr, ca. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Abstract Background Convalescent plasma has been widely used to treat COVID-19 and is under investigation in numerous randomized clinical trials, but results are publicly available only for a small number of trials. The objective of this study was to assess the benefits of convalescent plasma treatment compared to placebo or no treatment and all-cause mortality in patients with COVID-19, using data from all available randomized clinical trials, including unpublished and ongoing trials (Open Science Framework, https://doi.org/10.17605/OSF.IO/GEHFX ). Methods In this collaborative systematic review and meta-analysis, clinical trial registries (ClinicalTrials.gov, WHO International Clinical Trials Registry Platform), the Cochrane COVID-19 register, the LOVE database, and PubMed were searched until April 8, 2021. Investigators of trials registered by March 1, 2021, without published results were contacted via email. Eligible were ongoing, discontinued and completed randomized clinical trials that compared convalescent plasma with placebo or no treatment in COVID-19 patients, regardless of setting or treatment schedule. Aggregated mortality data were extracted from publications or provided by investigators of unpublished trials and combined using the Hartung–Knapp–Sidik–Jonkman random effects model. We investigated the contribution of unpublished trials to the overall evidence. Results A total of 16,477 patients were included in 33 trials (20 unpublished with 3190 patients, 13 published with 13,287 patients). 32 trials enrolled only hospitalized patients (including 3 with only intensive care unit patients). Risk of bias was low for 29/33 trials. Of 8495 patients who received convalescent plasma, 1997 died (23%), and of 7982 control patients, 1952 died (24%). The combined risk ratio for all-cause mortality was 0.97 (95% confidence interval: 0.92; 1.02) with between-study heterogeneity not beyond chance (I 2 = 0%). The RECOVERY trial had 69.8% and the unpublished evidence 25.3% of the weight in the meta-analysis. Conclusions Convalescent plasma treatment of patients with COVID-19 did not reduce all-cause mortality. These results provide strong evidence that convalescent plasma treatment for patients with COVID-19 should not be used outside of randomized trials. Evidence synthesis from collaborations among trial investigators can inform both evidence generation and evidence application in patient care.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials
Date Crossref
20/11/2021
Éditeur
Springer Science and Business Media LLC
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

Uppsala UniversityProtein Metrics (United States)Stanford UniversityUniversity of BaselUniversity Hospital of BaselAmsterdam University Medical CentersMilken InstituteGeorge Washington UniversityLagos State Ministry of HealthBahrain Center for Strategic International and Energy StudiesUniversidad del RosarioHospital Universitario Virgen del RocíoImperial College LondonPhilippine General HospitalUniversity of OxfordUniversity of BahrainRoyal College of Surgeons in Ireland - BahrainInternational Hospital of BahrainSalmaniya Medical ComplexInstituto de Investigación Biosanitaria de GranadaInstituto Nacional de Enfermedades NeoplásicasFederal Medical-Biological AgencyCopenhagen University HospitalBerry & Associates (United States)Azienda Ospedaliera Citta' della Salute e della Scienza di TorinoThe Kids Research Institute AustraliaThe University of Western AustraliaPrincess Margaret Hospital for ChildrenMenzies School of Health ResearchPerth Children's HospitalPublic Health EnglandInstituto Nacional de Enfermedades RespiratoriasUniversidad Autónoma de Nuevo LeónUniversity of Illinois ChicagoHenry Ford HospitalBangladesh Medical UniversityDhaka Medical College and HospitalAgostino Gemelli University PolyclinicIstituti di Ricovero e Cura a Carattere ScientificoUniversity of the Philippines ManilaGhent UniversityD’Or Institute for Research and EducationAustralian Red Cross LifebloodThe Royal Melbourne HospitalThe University of MelbournePeter Doherty InstituteHeidelberg UniversityUniversity Hospital HeidelbergUniversity of LiègeClínica CESCentro Médico ABCLagos State University Teaching HospitalNHS Blood and TransplantOxford BioMedica (United Kingdom)Universidad Peruana Cayetano HerediaInstituto Nacional de Salud del NiñoInstituto Nacional de Salud del Niño-San BorjaHospital Universitario Puerta del MarImperial College Healthcare NHS TrustMonash UniversityUniversité Libre de BruxellesThe George Institute for Global HealthAuckland City HospitalMedical Research Institute of New ZealandLund UniversitySkåne University HospitalGhent University HospitalHospital Quirónsalud BarcelonaEngelhardt Institute of Molecular BiologyManipal Academy of Higher EducationGeorge Institute for Global HealthInstituto de Medicina Tropical Alexander von HumboldtCliniques Universitaires Saint-LucEastern HealthHospital Universitario Virgen de las NievesHospital Jerez Puerta del SurHospital Universitario de ValmeHospital Regional Universitario de MálagaHospital Juan Ramón JiménezMonash HealthUniversity of PittsburghUniversity of CambridgeAddenbrooke's HospitalKU LeuvenWestern HealthAhvaz Jundishapur University of Medical SciencesMiddlemore HospitalIntensive Care National Audit & Research CentreUniversity College DublinAlfred HealthAalborg University HospitalThe University of SydneyWestmead HospitalHospital Costa del SolUniversity of LagosAyuntamiento de SevillaThe University of QueenslandHospital General de MéxicoComplejo Hospitalario TorrecárdenasMelbourne HealthUniversité de MontpellierRoyal Brisbane and Women's HospitalUniversité de NîmesUniversidad Autónoma de OccidenteHospital Universitario Virgen MacarenaUniversidad de SevillaHospital Universitario Puerto RealSt Thomas' HospitalKing's College LondonGuy's and St Thomas' NHS Foundation TrustSydney Children’s Hospitals NetworkHospital Nacional Cayetano HerediaUniversidad Ricardo PalmaUniversité LavalPrincess Alexandra HospitalUNSW SydneySt John of God Subiaco HospitalSt John of God HospitalZealand University HospitalGoethe University FrankfurtUniversity Hospital FrankfurtUniversity of ManitobaOttawa HospitalOttawa Hospital Research InstituteBerlin Institute of Health at Charité - Universitätsmedizin Berlin

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

SARS-CoV-2 and COVID-19 ResearchCOVID-19 Clinical Research StudiesBlood groups and transfusion

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