3 research outputs found
Outcomes from elective colorectal cancer surgery during the SARS-CoV-2 pandemic
- Author
- 14 | COVIDSurg COllabOratIVe Tzovaras G. (General University Hospital of Larissa)
- Aawsaj Y.
- Abad Gurumeta A.
- Abad-Motos A.
- Abate E.
- Abbott D.
- Abdalla M.
- Abdeldayem H.
- Abdelkader Salama I.
- Abdelkarim M.
- Abdur-Rahman L.
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- Alma Mater Studiorum University of Bologna)
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- Argentina: Alurralde C.
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- COVIDSurg COllabOratIVe | 15 Violante T. (IRCCS Azienda Ospedaliero â Universitaria di Bologna
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- TU Dresden)
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- Universiti Sains Malaysia)
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- Vassiliu P. (Attikon University General Hospital)
- Vaz Pereira R.
- Vaz S. (Centro Hospitalar e UniversitĂĄrio de SĂŁo JoĂŁo)
- Velchuru V.
- Velickovic D. (Clinic for Digestive Surgery
- Velidedeoglu M.
- Venn M. (Royal London Hospital)
- Venskutonis D. (Lithuanian University of Health Sciences Kaunas Clinical Hospital). Madagascar: Rasoaherinomenjanahary F.
- Vera Mansilla C. (Hospital Universitario Principe de Asturias)
- Verberne C. (John Radcliffe Hospital)
- Vergari R. (Ospedali Riuniti di Ancona)
- Vernon L. (Cork University Hospital)
- Vervoort D.
- Vescio G. (University âMagna Graeciaâ of Catanzaro)
- Vezakis A. (Aretaieion Hospital)
- Videira J. F. (IPO Porto). RĂ©union: Kassir R.
- Vieira B. (Centro Hospitalar de TrĂĄs-Os-Montes e Alto Douro
- Vieira Caroço T. (IPO Coimbra)
- Vieira Paiva Lopes A. C. (Hospital de Torres Vedras â Centro Hospitalar do Oeste)
- Vignali A. (San Raffaele Scientific Institute
- Vigorita V. (Ălvaro Cunqueiro Hospital)
- Vijayan D. (Queen Elizabeth Hospital Birmingham)
- Villalabeitia Ateca I. (Hospital Universitario Cruces)
- Vimalachandran D. (Countess of Chester Hospital)
- Viswanath Y. K. S. (James Cook University Hospital)
- Vitali A. (Ospedale San Giovanni di Dio)
- Vitone L. (Royal Blackburn Hospital)
- Vives R. V. (Bellvitge University Hospital)
- Vo U. G. (Fiona Stanley Hospital)
- Von Papen M.
- Vovola F. (Ospedali Riuniti Azienda Ospedaliera Universitaria Foggia)
- Vucic N.
- VĂĄzquez FernĂĄndez A. (Hospital ClĂnico Universitario de Valladolid)
- Wadham B. (The University Hospital of South Manchester)
- Walkes K. (Queen Elizabeth Hospital). Belgium: Flamey N.
- Wani R. (Sher-I-Kashmir Institute of Medical Sciences)
- Waqar S. H. (Pakistan Institute of Medical Sciences). Poland: Major P. (Jagiellonian University Medical College). Portugal: Azevedo C.
- Warren O. (Chelsea and Westminster Hospital)
- Watson L. J. (Sunderland Royal Hospital)
- Watson N. (Kingâs Mill Hospital)
- Weitz J.
- Welsch T. (Carl-Gustav-Carus University Hospital
- Werner J. (LMU Klinikum Campus Innenstadt)
- Westwood E. (James Paget University NHS Foundation Trust Hospital)
- Whelan M. (Tallaght University Hospital)
- Whitmore H. (Torbay and South Devon NHS Trust)
- Wilkin R. J. W. (South Warwickshire NHS Foundation Trust)
- Wilkins A. (Hull University Teaching Hospitals NHS Trust)
- Williams G. (Royal Gwent Hospital)
- Williams K. (St Georgeâs Hospital)
- Wilson M. (Forth Valley Royal Hospital)
- Wimmer A. (Paracelsus Medical University Salzburg). Barbados: Barker D.
- Wong M.
- Worku D. (Queens Medical Centre)
- Wullschleger M. (Gold Coast University Hospital)
- Xavier R. G.
- Xenaki S.
- Xynos E. (University Hospital of Heraklion Crete and Interclinic Hospital of Crete). Hong Kong: Futaba K.
- Yang W.
- Yassin N. (Royal Wolverhampton NHS Trust)
- Ye G.
- Yesantharao P.
- Yetkin S. G. (Sisli Hamidiye Etfal Training and Research Hospital)
- YeĆilyurt D. (University of Health Sciences Tepecik Training and Research Hospital)
- Yiallourou A. (Nicosia General Hospital). Czechia: Martinek L.
- Yıldırım A.
- Yildiz A. (Yildirim Beyazit University Yenimahalle Training and Research Hospital). Uganda: Lule H.
- Young R. (York Teaching Hospitals NHS Trust)
- Yousof E. A. (Assiut University Hospital)
- Youssef M. (Norfolk and Norwich University Hospital)
- Yurttas C. (University Hospital Tuebingen)
- YĂĄnez C. (Royo Villanova)
- YĂŒksel E. (Kocaeli University Teaching Hospital)
- Zafar S. N. (University of Wisconsin)
- Zakaria A. D.
- Zakaria Z. (School of Medical Sciences and Hospital
- Zambon M. (Policlinico Umberto I Sapienza University of Rome)
- Zanus G. (Caâ Foncello Treviso â DISCOG â UniversitĂ di Padova)
- Zegarac M. (Institute for Oncology and Radiology of Serbia)
- ZeliÄ M. (University Hospital Center Rijeka)
- Zengin A. K. (Istanbul Universty â CerrahpaĆa Medical Faculty)
- Zerbib P. (CHU Lille)
- Zervas K.
- Zese M. (Santa Maria degli Angeli Hospital ULSS 5 â Adria)
- Zhang H. (Concord Repatriation General Hospital)
- Zizzo M. (Azienda UnitĂ Sanitaria Locale â IRCCS di Reggio Emilia)
- Zografos C. (Laiko University Hospital)
- Zorrilla OrtĂșzar J. (Hospital General Universitario Gregorio Marañón)
- Zourntou S. (General Hospital of Larissa âKoutlimpaneio and Triantafylleioâ)
- Zubaidi A. M. (King Saud University). Serbia: AleksiÄ L.
- Ăngelo M.
- Ăelebi F.
- Ăolak E.
- Ăfner D. (Medical University of Innsbruck)
- Ăhlberger L.
- Ăzçelık M. F.
- ĂÄĂŒcĂŒ H.
- ĂberrĂŒck L.
- Äoza I.
- Publication venue
- 'Wiley'
- Publication date
- 01/01/2020
- Field of study
This study aimed to describe the change in surgical practice and the impact of SARS-CoV-2 on mortality after surgical resection of colorectal cancer during the initial phases of the SARS-CoV-2 pandemic
Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials
- Author
- Aalborg University
- Aalborg University Hospital
- Abayomi Akin
- Abduljalil Manal
- Abdulrahman Abdulkarim
- Acosta-Ampudia Yeny
- Aguilar-Guisado Manuela
- Ahvaz Jundishapur University of Medical Sciences
- Al-Beidh Farah
- Alejandria Marissa M.
- Alfonso Rachelle N.
- Ali Mohammad
- AlQahtani Manaf
- AlZamrooni Alaa
- Anaya Juan-Manuel
- Ang Mark Angelo C.
- Aomar Ismael F.
- Argumanis Luis E.
- Auckland City Hospital
- Auckland District Health Board
- Australian Red Cross Lifeblood
- Averyanov Alexander
- Axfors Cathrine
- Azienda Ospedaliera - Universitaria CittĂ della Salute e della Scienza di Torino
- Bahrain Defence Force Royal Medical Services
- Baklaushev Vladimir P.
- Balionis Olga
- Bangabandhu Sheikh Mujib Medical University
- Belgian Red Cross
- Benfield Thomas
- Berlin Institute of Health
- Berry Consultants
- Berry Scott
- Birocco Nadia
- Blood Bank Centro Medico Naval
- Blood Services Red Cross
- Bonifacio Lynn B.
- Bowen Asha C.
- Bown Abbie
- Box Hill Hospital
- Cabello-Gutierrez Carlos
- Camacho Bernardo
- Camacho-Ortiz Adrian
- Cambridge University Hospitals NHS Foundation Trust
- Campbell-Lee Sally
- Cao Damon H.
- Cardesa Ana
- Carnate Jose M.
- Castillo German Jr. J.
- Cavallo Rossana
- CENETEC (National Center for Health Technology Excellence)
- Centro Medico Naval
- Charles Darwin University
- Chowdhury Fazle R.
- Chowdhury Forhad U. H.
- CHU de NĂźmes
- Ciccone Giovannino
- Cingolani Antonella
- Climacosa Fresthel Monica M.
- Clinica del Occidente
- Clinica Quiron
- Clinical Department Red Andaluza de Dise?o y Traslacion de Terapias Avanzadas
- Compernolle Veerle
- Complejo Hospitalario TorrecĂĄrdenas
- Cortez Carlo Francisco N.
- Costa Neto Abel
- Daly James
- Danielle Franca
- Davis Joshua S.
- De Rosa Francesco Giuseppe
- Denholm Justin T.
- Denkinger Claudia M.
- Department of Clinical Medicine
- Department of Haematology Centro Transfusional Tejidos y Celulas de Granada
- Department of Haematology Monash Health
- Department of Infectious Diseases
- Department of Infectious Diseases Centro Transfusional Tejidos y Celulas de Sevilla
- Desmecht Daniel
- Dhaka Medical College and Hospital
- Donneau Anne-Françoise
- Dumagay Teresita E.
- Dunachie Susanna
- Dungog Cecile C.
- DĂaz Ponce-Medrano Juan A.
- DĂaz-Coronado Juan C.
- DâAntico Sergio
- Erinoso Olufemi
- Escasa Ivy Mae S.
- Estcourt Lise J.
- Evans Amy
- Evasan Agnes L. M.
- Fareli Christian J.
- Federal Medical-Biological Agency
- Fernandez-Sanchez Veronica
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
- Galassi Claudia
- Gallo Juan E.
- Garcia Jesus A.
- Garcia Patricia J.
- Garcia Patricia L.
- Garigliany Mutien
- Garza-Gonzalez Elvira
- Gauiran Deonne Thaddeus V.
- Gaviria GarcĂa Paula A.
- George Washington University
- Ghent University
- Giron-Gonzalez Jose-Antonio
- Goethe University Frankfurt
- Goodman Steven N.
- Gordon Anthony C.
- Gothot André
- Grass Guaqueta Jeser Santiago
- Green Cameron
- Grimaldi David
- GĂłmez-Almaguer David
- Haber Noah A.
- Hammond Naomi E.
- Harvala Heli
- Heidelberg UniversityÂ
- Hemkens Lars G.
- Henry Ford Health System
- Heralde Francisco M.
- Herrick Jesica
- Higgins Alisa M.
- Hills Thomas E.
- Hines Jennifer
- Holm Karin
- Hoque Ashraful
- Hospital Costa Del Sol
- Hospital General de Mexico
- Hospital Nacional Hipolito Unanue
- Hospital Regional Universitario Carlos Haya
- Hospital San Juan de Dios del Aljarafe
- Hospital Universitario de Jerez de La Frontera
- Hospital Universitario de Valme
- Hospital Universitario Juan Ramon Jimenez
- Hospital Universitario Mayor MĂ©deri
- Hospital Universitario San Cecilio
- Hospital Universitario Virgen de las Nieves
- Hospital Universitario Virgen del Rocio
- Hospital Universitario Virgen Macarena
- Hoste Eric
- Ignacio Jose M.
- Imperial College Healthcare NHS Trust
- Imperial College London
- Institute of Clinical Pathology and Medical Research
- Instituto D'or de Pesquisa e Ensino
- Instituto Distrital de Ciencia Biotecnolog?a e Investigaci?n en Salud (IDCBIS)
- Instituto Nacional de Enfermedades Respiratorias
- Intensive Care Medicine Alfred Health
- Intensive Care National Audit and Research Centre
- Ioannidis John P. A.
- Ivanov Alexander V.
- Janiaud Perrine
- Janssen Maike
- Jennings Jeffrey H.
- Jha Vivekanand
- Khanna Nina
- King's College London
- King Ruby Anne N.
- Kjeldsen-Kragh Jens
- Klenerman Paul
- Klinik Medicin og Akut
- Kotecha Aditya
- Krapp Fiorella
- KU Leuven
- Labanca Luciana
- Lagos State Ministry of Health
- Lagos State University
- Laing Emma
- Landin-Olsson Mona
- Laterre Pierre-François
- Lim Jodor
- Lim Lyn-Li
- Ljungquist Oskar
- Llaca-DĂaz Jorge M.
- Lopez-Plaza Ileana
- Lucero Josephine Anne C.
- Lund University
- Lundgren Maria
- LĂłpez-CĂĄrdenas Salvador
- LĂłpez-Robles ConcepciĂłn
- MacĂas Juan
- Maganito Sandy C.
- Malundo Anna Flor G.
- Manipal Academy of Higher Education
- Manrique Rubén D.
- Manzini Paola M.
- Marcos Miguel
- Marquez Ignacio
- MartĂnez-Marcos Francisco Javier
- Mata Ana M.
- McArthur Colin J.
- McQuilten Zoe K.
- McVerry Bryan J.
- Medical Research Institute of New Zealand
- Medical Team National Task Force for Combating the Coronavirus (COVID19)
- Menon David K.
- Meyfroidt Geert
- Middlemore Hospital
- Ministerio de Salud del PerĂș
- Ministry of Health Kingdom of Bahrain
- Mirasol Ma. Angelina L.
- Misset BenoĂźt
- Mohammed Bin Khalifa Cardiac Centre
- Moher David
- Molton James S.
- Monash University
- Mondragon Alric V.
- Monsalve Diana M.
- Moradi Choghakabodi Parastoo
- Morpeth Susan C.
- Mouncey Paul R.
- Moutschen Michel
- Murphy Erin
- MĂŒller-Tidow Carsten
- Najdovski Tome
- NHS Blood and Transplant
- Nichol Alistair D.
- Nielsen Henrik
- Novak Richard M.
- Olalla Julian
- Osibogun Akin
- Osikomaiya Bodunrin
- Oxford University Hospitals NHS Foundation Trust
- Oyonarte Salvador
- OâSullivan Matthew V. N.
- Pardo-Oviedo Juan M.
- Patel Mahesh C.
- Paterson David L.
- Perez-Calatayud Angel A.
- Perkina Anastasia
- Perry Naomi
- Perth Children?s Hospital
- Peña-Perez Carlos A.
- Philippine General Hospital
- Pouladzadeh Mandana
- Poyato Inmaculada
- Price David J.
- Public Health England
- PĂ©rez-Alba Eduardo
- Quero Anne Kristine H.
- Rahman Md. M.
- Rahman Md. S.
- Ramesh Mayur
- RamĂrez-Santana Carolina
- Rasmussen Magnus
- Rees Megan A.
- Rego Eduardo
- Roberts David J.
- Roberts Jason A.
- RodrĂguez Yhojan
- RodrĂguez-Baño JesĂșs
- Rogers Benjamin A.
- Rojas Manuel
- Romero Alberto
- Rowan Kathryn M.
- Royal Brisbane & Women's Hospital
- Royal College of Surgeons in Ireland-Medical University in Bahrain
- Royal Melbourne Hospital
- Russian Academy of Sciences
- Saccona Fabio
- Safdarian Mehdi
- Santos Maria Clariza M.
- Sasadeusz Joe
- Schmitt Andreas M.
- Scozzari Gitana
- Servicio de Hemoterapia y Banco de Sangre Instituto Nacional de Salud del Niño San Borja
- Shankar-Hari Manu
- Sharma Gorav
- Sheikh Hasina National Institute of Burn and Plastic Surgery
- SjĂŠllands Universitetshospital
- Smith Emily R.
- Snelling Thomas
- Soto Alonso
- St John of God Health Care
- Stanford University
- Sydney Children?s Hospital Network
- Tagayuna Pedrito Y.
- Tang Amy
- Tatem Geneva
- Telethon Kids Institute
- Teofili Luciana
- The Faculty of Medicine
- The George Institute for Global Health
- The Peter Doherty Institute for Infection and Immunity
- Tong Steven Y. C.
- Turgeon Alexis F.
- Universidad Autonoma de Nuevo Leon
- Universidad CES
- Universidad del Rosario
- Universidad Nacional AutĂłnoma de MĂ©xico
- Universidad Peruana Cayetano Heredia
- Universidad Ricardo Palma
- University and Regional Laboratories
- University College Dublin
- University Hospital Basel
- University of Amsterdam
- University of Basel
- University of Copenhagen
- University of CĂĄdiz
- University of Illinois at Chicago
- University of Lagos
- University of Liege
- University of Manitoba
- University of Melbourne
- University of New South Wales
- University of Ottawa
- University of Oxford
- University of Pittsburgh
- University of Queensland
- University of Seville
- University of Sydney
- University of the Philippines
- University of Western Australia
- Université catholique de Louvain
- Université Laval
- Université libre de Bruxelles
- Uppsala University
- vanât Hooft Janneke
- Veloso Januario D.
- Venkatesh Balasubramanian
- Ventura-Enriquez Yanet
- Victorian Infectious Diseases Reference Laboratory
- Webb Steve A.
- Western Health
- Westmead Hospital
- Wiese Lothar
- Wikén Christian
- Wood Erica M.
- Yusubalieva Gaukhar M.
- Zacharowski Kai
- Zarychanski Ryan
- Publication venue
- Figshare
- Publication date
- 01/01/2021
- Field of study
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 HartungâKnappâSidikâJonkman 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 (I2 = 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
Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials
- Author
- Aalborg University
- Aalborg University Hospital
- Abayomi Akin
- Abduljalil Manal
- Abdulrahman Abdulkarim
- Acosta-Ampudia Yeny
- Aguilar-Guisado Manuela
- Ahvaz Jundishapur University of Medical Sciences
- Al-Beidh Farah
- Alejandria Marissa M.
- Alfonso Rachelle N.
- Ali Mohammad
- AlQahtani Manaf
- AlZamrooni Alaa
- Anaya Juan-Manuel
- Ang Mark Angelo C.
- Aomar Ismael F.
- Argumanis Luis E.
- Auckland City Hospital
- Australian Red Cross Lifeblood
- Averyanov Alexander
- Axfors Cathrine
- Azienda Ospedaliera - Universitaria CittĂ della Salute e della Scienza di Torino
- Bahrain Defence Force Royal Medical Services
- Baklaushev Vladimir P.
- Balionis Olga
- Bangabandhu Sheikh Mujib Medical University
- Belgian Red Cross
- Benfield Thomas
- Berlin Institute of Health
- Berry Consultants
- Berry Scott
- Birocco Nadia
- Blood Bank Centro Medico Naval
- Blood Services Red Cross
- Bonifacio Lynn B.
- Bowen Asha C.
- Bown Abbie
- Box Hill Hospital
- Cabello-Gutierrez Carlos
- Camacho Bernardo
- Camacho-Ortiz Adrian
- Campbell-Lee Sally
- Cao Damon H.
- Cardesa Ana
- Carnate Jose M.
- Castillo German Jr. J.
- Cavallo Rossana
- CENETEC (National Center for Health Technology Excellence)
- Centro Medico Naval
- Charles Darwin University
- Chowdhury Fazle R.
- Chowdhury Forhad U. H.
- CHU de NĂźmes
- Ciccone Giovannino
- Cingolani Antonella
- Climacosa Fresthel Monica M.
- Clinica del Occidente
- Clinica Quiron
- Clinical Department Red Andaluza de Dise?o y Traslacion de Terapias Avanzadas
- Compernolle Veerle
- Complejo Hospitalario TorrecĂĄrdenas
- Cortez Carlo Francisco N.
- Costa Neto Abel
- Daly James
- Danielle Franca
- Davis Joshua S.
- De Rosa Francesco Giuseppe
- Denholm Justin T.
- Denkinger Claudia M.
- Department of Clinical Medicine
- Department of Haematology Centro Transfusional Tejidos y Celulas de Granada
- Department of Haematology Monash Health
- Department of Infectious Diseases
- Department of Infectious Diseases Centro Transfusional Tejidos y Celulas de Sevilla
- Desmecht Daniel
- Dhaka Medical College and Hospital
- Donneau Anne-Françoise
- Dumagay Teresita E.
- Dunachie Susanna
- Dungog Cecile C.
- DĂaz Ponce-Medrano Juan A.
- DĂaz-Coronado Juan C.
- DâAntico Sergio
- Erinoso Olufemi
- Escasa Ivy Mae S.
- Estcourt Lise J.
- Evans Amy
- Evasan Agnes L. M.
- Fareli Christian J.
- Federal Medical-Biological Agency
- Fernandez-Sanchez Veronica
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
- Galassi Claudia
- Gallo Juan E.
- Garcia Jesus A.
- Garcia Patricia J.
- Garcia Patricia L.
- Garigliany Mutien
- Garza-Gonzalez Elvira
- Gauiran Deonne Thaddeus V.
- Gaviria GarcĂa Paula A.
- George Washington University
- Ghent University
- Giron-Gonzalez Jose-Antonio
- Goethe University Frankfurt
- Goodman Steven N.
- Gordon Anthony C.
- Gothot André
- Grass Guaqueta Jeser Santiago
- Green Cameron
- Grimaldi David
- GĂłmez-Almaguer David
- Haber Noah A.
- Hammond Naomi E.
- Harvala Heli
- Heidelberg UniversityÂ
- Hemkens Lars G.
- Henry Ford Health System
- Heralde Francisco M.
- Herrick Jesica
- Higgins Alisa M.
- Hills Thomas E.
- Hines Jennifer
- Holm Karin
- Hoque Ashraful
- Hospital Costa Del Sol
- Hospital General de Mexico
- Hospital Nacional Hipolito Unanue
- Hospital Regional Universitario Carlos Haya
- Hospital San Juan de Dios del Aljarafe
- Hospital Universitario de Jerez de La Frontera
- Hospital Universitario de Puerto Real
- Hospital Universitario de Valme
- Hospital Universitario Juan Ramon Jimenez
- Hospital Universitario Mayor MĂ©deri
- Hospital Universitario Puerta del Mar
- Hospital Universitario San Cecilio
- Hospital Universitario Virgen de las Nieves
- Hospital Universitario Virgen del Rocio
- Hospital Universitario Virgen Macarena
- Hoste Eric
- Ignacio Jose M.
- Imperial College Healthcare NHS Trust
- Imperial College London
- Institute of Clinical Pathology and Medical Research
- Instituto D'or de Pesquisa e Ensino
- Instituto Distrital de Ciencia Biotecnolog?a e Investigaci?n en Salud (IDCBIS)
- Instituto Nacional de Enfermedades Respiratorias
- Intensive Care Medicine Alfred Health
- Intensive Care National Audit and Research Centre
- Ioannidis John P. A.
- Ivanov Alexander V.
- Janiaud Perrine
- Janssen Maike
- Jennings Jeffrey H.
- Jha Vivekanand
- Khanna Nina
- King's College London
- King Ruby Anne N.
- Kjeldsen-Kragh Jens
- Klenerman Paul
- Klinik Medicin og Akut
- Kotecha Aditya
- Krapp Fiorella
- KU Leuven
- Labanca Luciana
- Lagos State Ministry of Health
- Lagos State University
- Laing Emma
- Landin-Olsson Mona
- Laterre Pierre-François
- Lim Jodor
- Lim Lyn-Li
- Ljungquist Oskar
- Llaca-DĂaz Jorge M.
- Lopez-Plaza Ileana
- Lucero Josephine Anne C.
- Lund University
- Lundgren Maria
- LĂłpez-CĂĄrdenas Salvador
- LĂłpez-Robles ConcepciĂłn
- MacĂas Juan
- Maganito Sandy C.
- Malundo Anna Flor G.
- Manipal Academy of Higher Education
- Manrique Rubén D.
- Manzini Paola M.
- Marcos Miguel
- Marquez Ignacio
- MartĂnez-Marcos Francisco Javier
- Mata Ana M.
- McArthur Colin J.
- McQuilten Zoe K.
- McVerry Bryan J.
- Medical Research Institute of New Zealand
- Medical Team National Task Force for Combating the Coronavirus (COVID19)
- Menon David K.
- Meyfroidt Geert
- Middlemore Hospital
- Ministerio de Salud del PerĂș
- Ministry of Health Kingdom of Bahrain
- Mirasol Ma. Angelina L.
- Misset BenoĂźt
- Mohammed Bin Khalifa Cardiac Centre
- Moher David
- Molton James S.
- Monash University
- Mondragon Alric V.
- Monsalve Diana M.
- Moradi Choghakabodi Parastoo
- Morpeth Susan C.
- Mouncey Paul R.
- Moutschen Michel
- Murphy Erin
- MĂŒller-Tidow Carsten
- Najdovski Tome
- NHS Blood and Transplant
- Nichol Alistair D.
- Nielsen Henrik
- Novak Richard M.
- Olalla Julian
- Osibogun Akin
- Osikomaiya Bodunrin
- Oxford University Hospitals NHS Foundation Trust
- Oyonarte Salvador
- OâSullivan Matthew V. N.
- Pardo-Oviedo Juan M.
- Patel Mahesh C.
- Paterson David L.
- Perez-Calatayud Angel A.
- Perkina Anastasia
- Perry Naomi
- Perth Children?s Hospital
- Peña-Perez Carlos A.
- Philippine General Hospital
- Pouladzadeh Mandana
- Poyato Inmaculada
- Price David J.
- Public Health England
- PĂ©rez-Alba Eduardo
- Quero Anne Kristine H.
- Rahman Md. M.
- Rahman Md. S.
- Ramesh Mayur
- RamĂrez-Santana Carolina
- RAS - Engelhardt Institute of Molecular Biology
- Rasmussen Magnus
- Rees Megan A.
- Rego Eduardo
- Roberts David J.
- Roberts Jason A.
- RodrĂguez Yhojan
- RodrĂguez-Baño JesĂșs
- Rogers Benjamin A.
- Rojas Manuel
- Romero Alberto
- Rowan Kathryn M.
- Royal Brisbane and Women's Hospital
- Royal College of Surgeons in Ireland-Medical University in Bahrain
- Royal Melbourne Hospital
- Saccona Fabio
- Safdarian Mehdi
- Santos Maria Clariza M.
- Sasadeusz Joe
- Schmitt Andreas M.
- Scozzari Gitana
- Servicio de Hemoterapia y Banco de Sangre Instituto Nacional de Salud del Niño San Borja
- Shankar-Hari Manu
- Sharma Gorav
- Sheikh Hasina National Institute of Burn and Plastic Surgery
- SjĂŠllands Universitetshospital
- Smith Emily R.
- Snelling Thomas
- Soto Alonso
- St John of God Health Care
- St. Thomas' Hospital
- Stanford University
- Tagayuna Pedrito Y.
- Tang Amy
- Tatem Geneva
- Telethon Kids Institute
- Teofili Luciana
- The Children's Hospital at Westmead
- The Faculty of Medicine
- The George Institute for Global Health
- The Peter Doherty Institute for Infection and Immunity
- Tong Steven Y. C.
- Turgeon Alexis F.
- Universidad Autonoma de Nuevo Leon
- Universidad CES
- Universidad del Rosario
- Universidad Nacional AutĂłnoma de MĂ©xico
- Universidad Peruana Cayetano Heredia
- Universidad Ricardo Palma
- University and Regional Laboratories
- University College Dublin
- University Hospital Basel
- University of Amsterdam
- University of Basel
- University of Cambridge
- University of Copenhagen
- University of Illinois at Chicago
- University of Lagos
- University of Liege
- University of Manitoba
- University of Melbourne
- University of New South Wales
- University of Ottawa
- University of Oxford
- University of Pittsburgh
- University of Queensland
- University of Seville
- University of Sydney
- University of the Philippines
- University of Western Australia
- Université catholique de Louvain
- Université Laval
- Université libre de Bruxelles
- Uppsala University
- vanât Hooft Janneke
- Veloso Januario D.
- Venkatesh Balasubramanian
- Ventura-Enriquez Yanet
- Victorian Infectious Diseases Reference Laboratory
- Webb Steve A.
- Western Health
- Westmead Hospital
- Wiese Lothar
- Wikén Christian
- Wood Erica M.
- Yusubalieva Gaukhar M.
- Zacharowski Kai
- Zarychanski Ryan
- Publication venue
- Figshare
- Publication date
- 01/01/2021
- Field of study
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 HartungâKnappâSidikâJonkman 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 (I2 = 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