Major trial tests new antibody drug for hospitalized COVID-19 patients
NCT ID NCT04315948
First seen Jun 27, 2026 · Last updated Jul 09, 2026 · Updated 2 times
Summary
This large, completed trial tested several potential COVID-19 treatments in over 1,500 hospitalized adults across Europe. Earlier drugs like remdesivir and hydroxychloroquine were dropped after showing no benefit. The current phase is testing a new antibody combination called AZD7442 against a placebo, alongside standard care. The goal is to see if it improves patient recovery and reduces the need for oxygen or ventilation.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Remdesivir, lopinavir/ritonavir, hydroxychloroquine, interferon beta-1a, and AZD7442 (a monoclonal antibody combination)
- What this could lead to
- If successful, AZD7442 could become a standard treatment to help hospitalized COVID-19 patients recover faster and reduce severe outcomes.
- What could go wrong
- This is an early-stage analysis for AZD7442 within a larger trial; previous drugs tested were stopped due to lack of benefit. Results may not apply to all patients or variants.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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1,552 people
The number who actually took part.
- Started
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Mar 2020
- Finished
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Sep 2023
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Adult ≥18 years of age at the time of enrolment 2. Hospitalized patients with any of the following criteria: 1. the presence of pulmonary rales/crackles on clinical exam OR 2. SpO2 ≤ 94% on room air OR 3. requirement of supplementary oxygen including high flow oxygen devices or non-invasive ventilation 3. A time between onset of symptoms and randomization of less than 11 days 4. A positive SARS-CoV-2 PCR performed on a NP swab within the 5 days preceding randomization 5. The result of a rapid antigen test performed on a NP swab within the 6 hours preceding randomization 6. Contraceptive use by men or women. 1. Male participants: Contraception for male participants is required; to avoid the transfer of any fluids, all male participants must use a condom from Day 1 and agree to continue for 90 days following administration of IMP. 2. Female participants: Women of child-bearing potential must agree to use contraception for 365 days following administration of IMP Exclusion Criteria: 1. Refusal to participate expressed by patient or legally authorized representative 2. Need for invasive mechanical ventilation and/or ECMO at the time of enrolment 3. Spontaneous blood ALT/AST levels \> 5 times the upper limit of normal 4. Glomerular filtration rate (GFR) \< 15 mL/min or requiring maintenance dialysis 5. Pregnancy or breast-feeding 6. Anticipated transfer to another hospital, which is not a study site within 72 hours following randomization 7. Known history of allergy or reaction to any component of the study drug formulation. 8. Previous hypersensitivity, infusion-related reaction, or severe adverse reaction following administration of monoclonal or polyclonal antibodies. 9. Any prior receipt of investigational or licensed other mAb/biologic indicated for the prevention of SARS-CoV-2 infection or COVID-19, and for those not vaccinated, expected receipt of vaccine in the 30 days following hospital discharge, according to current recommendation in each country. 10. Any medical condition which, in the judgment of the investigator, could interfere with the interpretation of the trial results or that preludes to protocol adherence.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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AP-HP Hôpital Bicêtre
Le Kremlin-Bicêtre, 94270, France
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APHP - Hôpital Bichat Claude Bernard
Paris, 75018, France
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APHP - Hôpital Cochin
Paris, 75014, France
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APHP - Hôpital Lariboisière
Paris, 75010, France
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APHP - Hôpital Necker
Paris, 75015, France
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APHP - Hôpital Saint Antoine
Paris, 75012, France
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APHP - Hôpital Saint Louis
Paris, 75010, France
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APHP - Hôpital Tenon
Paris, 75020, France
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APHP - Hôpital Universitaire Pitié Salpêtrière
Paris, 75013, France
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APHP - hôpital Henri-Mondor
Créteil, 94010, France
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APHP- Hôpital Européen Georges-Pompidou
Paris, 75015, France
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Akershus Unniversity Hospital
Oslo, Norway
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CH Bretagne Atlantique
Vannes, 56000, France
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CH Bretagne Atlantique
Vannes, France
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CH Cornouaille
Quimper, France
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CHU APHP Ambroise-Paré
Boulogne-Billancourt, France
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CHU Nîmes
Nîmes, France
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CHU Poitiers
Poitiers, France
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CHU de Reims
Reims, 51100, France
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CHULN- Hospital de Santa Maria
Lisbon, Portugal
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Centre Hospitalier Andrée Rosemon
Cayenne, 97306, France
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Centre Hospitalier Annecy Genevois
Épagny, 74370, France
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Centre Hospitalier Luxembourg
Luxembourg, L-1210, Luxembourg
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Centre Hospitalier Regional Metz-Thionville
Ars-Laquenexy, 57085, France
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Centre Hospitalier Régional Universitaire de Besançon
Besançon, 25000, France
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Centre Hospitalier Régional Universitaire de Lille
Lille, 59000, France
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Centre Hospitalier Régional Universitaire de Strasbourg
Strasbourg, 67000, France
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Centre Hospitalier Régional et Universitaire de Nancy
Nancy, 54000, France
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Centre Hospitalier Universitaire Amiens-Picardie
Amiens, 80054, France
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Centre Hospitalier Universitaire Dijon-Bourgogne
Dijon, 21000, France
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Centre Hospitalier Universitaire de Bordeaux
Bordeaux, 33000, France
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Centre Hospitalier Universitaire de Martinique
Fort de France, 97261, France
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Centre Hospitalier Universitaire de Montpellier
Montpellier, 34000, France
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Centre Hospitalier Universitaire de Nantes
Nantes, 44000, France
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Centre Hospitalier Universitaire de Rennes
Rennes, 35033, France
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Centre Hospitalier Universitaire de Saint Etienne
Saint-Etienne, 42055, France
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Centre Hospitalier Universitaire de Toulouse
Toulouse, 31000, France
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Centre Hospitalier Universitaire de Toulouse
Toulouse, 31300, France
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Centre Hospitalier Universitaire de Tours
Tours, 37000, France
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Centre Hospitalier de Tourcoing
Tourcoing, 59208, France
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Centre Hospitalo-Universitaire de Grenoble
La Tronche, 38700, France
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Centre Hospitalo-Universitaire de Nice
Nice, 06000, France
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Centro Hospitalar Universitário de São João, EPE
Porto, Portugal
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Evaggelismos General Hospital
Athens, Greece
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General University Hospital of Patras
Pátrai, Greece
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Groupe Hospitalier de la Région de Mulhouse Sud Alsace
Mulhouse, 68100, France
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Hopital DELAFONTAINE
Saint-Denis, 93200, France
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Hospices Civil
Colmar, France
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Hospices Civils de Lyon
Lyon, 69000, France
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Hospital de Cascais
Cascais, Portugal
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Hôpital Erasme - Cliniques universitaires de Bruxelles
Brussels, 1070, Belgium
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Hôpital La Citadelle
Liège, 4000, Belgium
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Hôpital Paris Saint-Joseph et Marie Lannelongue
Paris, 75014, France
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Hôpital Saint Luc
Brussels, 1200, Belgium
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Hôpital d'Instruction des Armées BEGIN
Saint-Mandé, 94160, France
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Hôpitaux Robert Schuman
Luxembourg, L-2450, Luxembourg
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Kepler Universitätsklinikum Linz
Linz, Austria
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Landeskrankenhaus Salzburg Universitätsklinikum der Paracelsus Medizinischen Privatuniversität
Salzburg, 5020, Austria
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Lovisenberg Diaconal Hospital
Oslo, Norway
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Medizinische Universität Innsbruck
Innsbruck, 6020, Austria
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Oslo University Hospital
Oslo, Norway
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Pôle Hospitalier Jolimont / site de Mons-Warquignies
Mons, Belgium
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Pandemic pregnancy: tracking COVID's impact on mothers and babies
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