Using convalescent plasma to treat COVID-19 patients

Infusion of Convalescent Plasma for the Treatment of Patients Infected With Severe Acute Respiratory Syndrome-Coronavirus-2 (COVID-19): A Double-blinded, Placebo-controlled, Proof-of-concept Study

Phase 2 Interventional University of Illinois at Chicago · NCT04442191

This study is testing if giving convalescent plasma from recovered COVID-19 patients can help people over 40 who are hospitalized with the virus feel better compared to those receiving standard care.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment50 (estimated)
Ages40 Years and up
SexAll
SponsorUniversity of Illinois at Chicago Academic / other
Locations1 site (Chicago, Illinois)
Trial IDNCT04442191 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of convalescent plasma, which contains antibodies from recovered COVID-19 patients, as a treatment for individuals currently hospitalized with the virus. Participants over 40 years old who test positive for SARS-CoV-2 will be randomly assigned to receive either convalescent plasma or fresh frozen plasma in a blinded manner. The study aims to assess both the clinical benefits and safety of this treatment approach, while also comparing outcomes with a control group receiving only supportive care.

Who should consider this trial

Good fit: Ideal candidates are hospitalized patients aged 40 and older with symptomatic COVID-19 requiring supplemental oxygen.

Not a fit: Patients who are on a ventilator or have a history of severe transfusion reactions may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could improve recovery rates and reduce the severity of COVID-19 in hospitalized patients.

How similar studies have performed: Other studies have shown promise in using convalescent plasma for COVID-19 treatment, suggesting potential efficacy.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients 40 years-old and over who are admitted to the University of Illinois Hospital (UIC) due to COVID-19
* Positive oropharyngeal and/or nasopharyngeal swab test for SARS-CoV-2 by RT-PCR within the preceding 72 hours (performed by University of Illinois Hospital Laboratories or, if performed elsewhere, documented in the patient's UIC medical record)
* Symptomatic infection with any of the following: fever, cough, dyspnea, or tachypnea \> 22 breaths/min
* Need for supplemental oxygen, between 1-5 liters/minute by nasal canula, to maintain O2 saturations \>92%
* Consents to comply with all protocol requirements
* Agrees to storage of specimens for future testing

Exclusion Criteria:

* Patients with known Immunoglobulin A deficiency (high risk of severe or fatal anaphylactic reactions)
* Patients who are on a ventilator
* Patients with past history of severe transfusion reaction including transfusion-related acute lung injury (TRALI) or anaphylaxis
* Patients with a baseline requirement for supplemental oxygen due to chronic lung disease or with known history of either moderate-to-severe asthma or emphysema.
* Female subjects who report that they are pregnant or breastfeeding
* Receipt of pooled immunoglobulin in the past 30 days
* Patients must be willing to not take any another alternative experimental treatment for COVID-19 from the time they undergo enrollment until the 28-day follow-up phone call

  •. Participants who are being treated with Remdesivir and have had their first dose of Remdesivir greater than 24 hours prior to the time they will receive their first dose of convalescent plasma
* Patients with severe disease due to COVID-19, as manifested by a need for vasopressors, and/or diagnosis of Acute Respiratory Distress Syndrome

Where this trial is running

Chicago, Illinois

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions COVID-19
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.