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Treatment With Investigational Convalescent Plasma and Measure Antibody Levels in Patients Hospitalized With COVID-19

Open, Non-comparative Pilot Study to Provide Access to Treatment With Investigational Convalescent Plasma and Measure Antibody Levels in Patients Hospitalized With COVID-19

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04434131
Enrollment
12
Registered
2020-06-16
Start date
2020-04-28
Completion date
2021-03-12
Last updated
2023-03-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Brief summary

This is an open label pilot study designed to provide access to treatment with investigational convalescent plasma and assess the relationship between NAb titers in the investigational convalescent plasma compared to changes in NAb levels in the recipient in hospitalized patients with COVID-19.

Detailed description

Primary objectives are as follows: 1. To provide access to treatment with investigational convalescent plasma to inpatients with documented COIVD-19 infection 2. To measure NAb titers in an aliquot of the CP administered, to measure the volume of CP administered, and determine whether there is a correlation between the NAb dose (in NAb units/kg body weight, where a unit is the reciprocal of the endpoint NAb titer in the CP multiplied by the volume in ml) and change or lack of change when comparing pre-treatment and day one NAb titers. Secondary, exploratory objectives are as follows: 1. To evaluate the safety of convalescent plasma (CP) administration in hospitalized COVID-19 patients 2. To evaluate viral shedding of SARSCoV-2 in nasopharyngeal or nasal samples before and on days 3, 7, and 14 after CP transfusion 3. To perform genomic analysis of the SARS-CoV-2 from patients before and after treatment with CP transfusion 4. Determine cumulative incidence of disease severity (transfer to ICU, type of respiratory support, LOS, and mortality)

Interventions

DRUGConvalescent Plasma

Study subjects will receive 1 unit (200mL) of SARS-CoV-2 convalescent plasma collected from a single donor who recovered from COVID-19.

Sponsors

University of New Mexico
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Patients must be 18 years of age or older. 2. Hospitalized with COVID-19 respiratory symptoms and confirmation via COVID-19 SARS-CoV-2 RT-PCR testing. If COVID-19 test results are pending or done at enrolment, test results must be positive prior to administration of convalescent plasma. 3. Patient (or legally authorized representative, LAR) is willing and able to provide written informed consent and comply with all protocol requirements. 4. For patients unable to consent, consent by the legally authorized representative (LAR) may be obtained by phone.

Exclusion criteria

1. Female subjects with positive pregnancy test or breastfeeding. 2. Receipt of pooled immunoglobulin in past 30 days. 3. Contraindication to transfusion or history of prior severe allergic reactions to transfused blood products. 4. On ECMO or in refractory shock at entry

Design outcomes

Primary

MeasureTime frameDescription
NAb Dose Titer in the Convalescent Plasma (CP), Pre-treatment, and Day One in Hospitalized Patients With Documented COVID-19 InfectionDay of convalescent plasma infusion (day 0) and following day (day 1)Neutralizing antibody titer (PRNT 80)

Secondary

MeasureTime frameDescription
Number of Participants With Rapid Deterioration as Evidenced by Increase in Ordinal ScoreWithin 4 hours of transfusionWorld Health Organization ordinal scale, with scores defined as follows: 5, hospitalized, requiring any supplemental oxygen; 6, hospitalized, requiring noninvasive ventilation or use of high-flow oxygen devices; 7, hospitalized, receiving invasive mechanical ventilation or extracorporeal membrane oxygenation; and 8, death.
Number of Participants With Clearance of Viral Shedding of SARS CoV-2 in Nasopharyngeal SamplesDay 0,1,3,7 and 14

Countries

United States

Participant flow

Participants by arm

ArmCount
Single Arm
The investigational product is anti-SARS-CoV-2 convalescent plasma obtained from former patients identified as having recovered from COVID-19 and obtained by Vitalant from local and national donors following national blood donation guidelines. All subjects receive the convalescent plasma. Convalescent Plasma: Study subjects will receive 1 unit (200mL) of SARS-CoV-2 convalescent plasma collected from a single donor who recovered from COVID-19.
12
Total12

Baseline characteristics

CharacteristicSingle Arm
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
3 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
Age, Continuous52 years
Race (NIH/OMB)
American Indian or Alaska Native
11 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
1 Participants
Region of Enrollment
United States
12 participants
Sex: Female, Male
Female
4 Participants
Sex: Female, Male
Male
8 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 12
other
Total, other adverse events
0 / 12
serious
Total, serious adverse events
0 / 12

Outcome results

Primary

NAb Dose Titer in the Convalescent Plasma (CP), Pre-treatment, and Day One in Hospitalized Patients With Documented COVID-19 Infection

Neutralizing antibody titer (PRNT 80)

Time frame: Day of convalescent plasma infusion (day 0) and following day (day 1)

Population: Participants were hospitalized patients receiving CP and donors were not considered participants of the study. Again, 12 donors contributed to CP but were not enrolled in the study. Mean titer from donor CP obtained from 12 donors.

ArmMeasureGroupValue (MEAN)Dispersion
Single ArmNAb Dose Titer in the Convalescent Plasma (CP), Pre-treatment, and Day One in Hospitalized Patients With Documented COVID-19 InfectionDonor convalescent plasma56.7 titerStandard Error 32.4
Single ArmNAb Dose Titer in the Convalescent Plasma (CP), Pre-treatment, and Day One in Hospitalized Patients With Documented COVID-19 InfectionDay 0 (pre-treatment in hospitalized patients)390 titerStandard Error 369
Single ArmNAb Dose Titer in the Convalescent Plasma (CP), Pre-treatment, and Day One in Hospitalized Patients With Documented COVID-19 InfectionDay 1 (in hospitalized patients)413 titerStandard Error 363
Secondary

Number of Participants With Clearance of Viral Shedding of SARS CoV-2 in Nasopharyngeal Samples

Time frame: Day 0,1,3,7 and 14

Population: Data was not collected

Secondary

Number of Participants With Rapid Deterioration as Evidenced by Increase in Ordinal Score

World Health Organization ordinal scale, with scores defined as follows: 5, hospitalized, requiring any supplemental oxygen; 6, hospitalized, requiring noninvasive ventilation or use of high-flow oxygen devices; 7, hospitalized, receiving invasive mechanical ventilation or extracorporeal membrane oxygenation; and 8, death.

Time frame: Within 4 hours of transfusion

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmNumber of Participants With Rapid Deterioration as Evidenced by Increase in Ordinal Score0 Participants

Source: ClinicalTrials.gov · Data processed: Feb 17, 2026