CONvalescent Plasma for Hospitalized Adults With COVID-19 Respiratory Illness (CONCOR-1)
Public ClinicalTrials.gov record NCT04348656. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized Open-Label Trial of CONvalenscent Plasma for Hospitalized Adults With Acute COVID-19 Respiratory Illness (CONCOR-1)
Study identification
- NCT ID
- NCT04348656
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Hamilton Health Sciences Corporation
- Other
- Enrollment
- 940 participants
Conditions and interventions
Conditions
Interventions
- Convalescent plasma Biological
Biological
Eligibility (public fields only)
- Age range
- 16 Years and older
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 13, 2020
- Primary completion
- Mar 4, 2021
- Completion
- Jun 15, 2021
- Last update posted
- Mar 2, 2022
2020 – 2021
United States locations
- U.S. sites
- 3
- U.S. states
- 1
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Brooklyn Hospital | Brooklyn | New York | 11201 | — |
| Lower Manhattan Hospital | New York | New York | 10038 | — |
| Weill Cornell Medical Center | New York | New York | 10065 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 70 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04348656, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 2, 2022 · Synced Apr 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04348656 live on ClinicalTrials.gov.