Can a new drug shield lungs from COVID-19's worst damage?
NCT ID NCT04472728
First seen Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time
Summary
This trial tests whether an experimental drug called BIO101 can prevent severe breathing problems in hospitalized adults with COVID-19 pneumonia. Participants receive either BIO101 or a placebo for 28 days, and researchers track who develops respiratory failure, needs high-flow oxygen, or dies. The goal is to see if activating a protective pathway in the body can reduce the most dangerous complications of the infection.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- BIO101 (also called Sarconeos), an experimental drug that activates the Mas receptor to protect the lungs from severe damage
- What this could lead to
- If successful, BIO101 could become a treatment to prevent respiratory failure and reduce the need for mechanical ventilation in hospitalized COVID-19 patients.
- What could go wrong
- This is an early-to-mid-stage trial with a modest number of participants, so results may not be conclusive. The drug could also cause side effects or fail to show a clear benefit over placebo.
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 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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238 people
The number who actually took part.
- Started
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Aug 2020
- Finished
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Jun 2022
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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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45 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. Age: 45 and older (in France: 55 and older) 2. A confirmed diagnosis of COVID-19 infection, within the last 28 days, prior to randomization, as determined by PCR or other approved commercial or public health assay, in a specimen as specified by the test used. 3. Hospitalized, in observation or planned to be hospitalized due to COVID-19 infection symptoms with anticipated hospitalization duration \>=3 days a. Participants can be included even if treated with: oxygen supplementation, High-flow oxygen (HFO2), bilevel positive airway pressure (BiPAP) and continuous positive airway pressure (CPAP) 4. With evidence of pneumonia based on all of the following: 1. Clinical findings on a physical examination 2. Respiratory symptoms developed within the past 14 days 5. With evidence of respiratory decompensation that started not more than 7 days before start of study medication and present at screening, meeting one of the following criteria, as assessed by healthcare staff: 1. Tachypnea: ≥25 breaths per minute 2. Arterial oxygen saturation ≤92% 3. A special note should be made if there is suspicion of COVID-19- related myocarditis or pericarditis, as the presence of these is a stratification criterion 6. Without a significant deterioration in liver function tests: 1. ALT and AST ≤ 5x upper limit of normal (ULN) 2. Gamma-glutamyl transferase (GGT) ≤ 5x ULN 3. Total bilirubin ≤ 5×ULN 7. Willing to participate and able to sign an informed consent form (ICF) 8. Female participants should be: at least 5 years post-menopausal (i.e., persistent amenorrhea 5 years in the absence of an alternative medical cause) or surgically sterile; OR 1. Have a negative urine pregnancy test at screening 2. Be willing to use a contraceptive method as outlined in inclusion criterion 9 from screening to 30 days after last dose. 9. Male participants who are sexually active with a female partner must agree to the use of an effective method of birth control throughout the study and until 3 months after the last administration of investigational product; Note: medically acceptable methods of contraception that may be used by the participant and/or partner include combined oral contraceptive, contraceptive vaginal ring, contraceptive injection, intrauterine device, etonogestrel implant, each supplemented with a condom, as well as sterilization and vasectomy. 10. Male participants must agree not to donate sperm for the purpose of reproduction throughout the study and until 3 months after the last administration of investigational product; 11. For France only: Being affiliated with a European Social Security. Exclusion Criteria: 1. Not needing or not willing to remain in a healthcare facility during the entire study medication (i.e. while receiving study medication) 2. Moribund condition (death likely in days) or not expected to survive for \>7 days - due to other and non-COVID-19 related conditions 3. Participant on invasive mechanical ventilation via an endotracheal tube, or extracorporeal membrane oxygenation (ECMO) 4. Participant within 7 days of participating in other therapeutic clinical trial with angiotensin-converting-enzyme inhibitors (ACEi), angiotensin receptor blockers (ARB) or recombinant ACE-2 5. Participant not able to take medications by mouth (as capsules or as a powder, mixed in water). 6. Disallowed concomitant medication: a. Consumption of any herbal products containing 20-hydroxyecdysone and derived from Leuzea carthamoides; Cyanotis vaga or Cyanotis arachnoidea is not allowed (e.g. performance enhancing agents) 7. Any known hypersensitivity to any of the ingredients, or excipients of the study medication, BIO101 8. In France: * Non-affiliation to compulsory French social security scheme (beneficiary or right-holder) * Being under tutelage or legal guardianship
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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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AZ-Sint Maarten
Mechelen, 2800, Belgium
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Abrazo Health
Phoenix, Arizona, 85015, United States
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Avenida Dr. Enéas de Carvalho Aguiar, 44 - Centro de Pesquisa Clínica Prof. Dr. Fúlvio Pileggi - Bloco 1 - 1º Andar
São Paulo, 103.034, Brazil
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Barnum Medical Research, Inc. 1029 Keyser Ave Suite H
Natchitoches, Louisiana, 71457, United States
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Beaumont Health
Royal Oak, Michigan, 48073, United States
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CHU CLU Namur (Saint-Elisabeth) Place Louise Godin
Namur, 15 5000, Belgium
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CHU Saint-Pierre
Brussels, Belgium
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Centre Hospitalier Argenteuil
Argenteuil, France
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Centre Hospitalier Départemental de Vendée
La Roche-sur-Yon, France
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Centre Hospitalier Rene Dubos
Cergy-Pontoise, France
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Centre Hospitalier Universitaire Bordeaux
Bordeaux, France
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FDI Clinical Research - San Juan City Hospital
San Juan, 00927, Puerto Rico
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Hospital Municipal de Barueri Dr. Francisco Moran
Barueri, São Paulo, Brazil
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Hospital Vera Cruz
Belo Horizonte, Minas Gerais, Brazil
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Hospital de Base Da Faculdade de Medicina de São José Do Rio Preto
São José do Rio Preto, São Paulo, Brazil
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Hospital e Maternidade Celso Pierro - PUCCAMP
Campinas, São Paulo, Brazil
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Hôpital Pitié-Salpêtrière, 47 bd de l'Hôpital, 75013 Paris
Paris, 75013, France
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Santa Casa de Porto Alegre
Porto Alegre, Rio Grande do Sul, Brazil
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United Health Services Hospitals
Johnson City, New York, 13903, United States
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Unité ambulatoire Service de Pneumologie, Médecine Intensive et Réanimation (SPMIR) 47-83 Boulevard de l'Hôpital
Paris, Paris Cedex 13, 75651, France
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University of California, Irvine
Irvine, California, 92697, United States
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WellSpan Health
York, Pennsylvania, 17403, United States
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- Blood samples and health records could reveal why some COVID-19 cases turn severe
- Home antibody tests put to the test: can you read your own COVID-19 result?
- Can lung ultrasound reveal COVID-19's signature in the lungs?
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- The household maze: how does COVID-19 move between family members?