COVID antibody drug trial halted: hope for severe cases unfulfilled
NCT ID NCT04644185
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a lab-made antibody called SCTA01 in adults hospitalized with severe COVID-19. The goal was to see if it could help them recover faster. The trial was stopped early, so we don't have clear results on its effectiveness.
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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102 people
The number who actually took part.
- Started
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Mar 2021
- Finished
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Feb 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
-
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: * Hospitalized patients with severe COVID-19 (5 point on NIH 8-point ordinal scale). * Male or female adult ≥18 years of age at time of enrollment; * Biological samples (not limited to any specific type) collected within 72 hours before randomization is laboratory-confirmed as SARS-CoV-2 infection (PCR or antigen-based diagnostic tests); * ≤ 10 days since symptoms of COVID-19 onset. Exclusion Criteria: * Patients who need non-invasive ventilation or high flow oxygen (i.e., 6 point on the 8-point ordinal scale); * Patients with critical COVID-19; * Patients with Severe COVID-19 who received convalescent plasma or COVID-19 vaccine, or anti-SARS-CoV-2 spike (S) protein targeted therapy; * Alanine-amino transferase (ALT) or aspartate transaminase (AST) is 5 times higher than the upper limit of the normal value; * Estimated glomerular filtration rate (eGFR) \<30 mL/min or on dialysis {eGFR calculated by Cockcroft-Gault formula (Cockcroft DW, 1976), Male: CrCL (mL/min) = \[(140 - age) × weight (kg)\] × 1/ \[SCr (mg/dL) × 72\]; Female: CrCL (mL/min) = \[(140 - age) × weight (kg)\] × 0.85/ \[SCr (mg/dL) × 72\]}.
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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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SCT study site
Somers Point, New Jersey, 08244, United States
-
SCT study site
Buenos Aires, Argentina
-
SCT study site
Uberlândia, Brazil
-
SCT study site
Talca, Chile
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SCT study site
Rionegro, Colombia
-
SCT study site
Monterrey, Mexico
-
SCT study site
Lima, Peru
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Other studies related to the condition(s) this trial covers.
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