Double-blind, Randomized, Placebo-controlled Study Evaluating Efficacy and Safety of IgPro20 in Post-COVID-19 POTS

NCT ID: NCT06524739

Last Updated: 2025-08-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-08-28

Study Completion Date

2025-07-11

Brief Summary

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This is a prospective, phase 3, multicenter, double-blind, randomized placebo-controlled study to investigate the efficacy, safety, and pharmacokinetics (PK) of repeat doses of IgPro20 in participants with post SARS-CoV-2 infection 2019 postural orthostatic tachycardia syndrome (post-Coronavirus Disease 2019 \[COVID-19\] POTS \[post-COVID-POTS\]).

Detailed Description

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Conditions

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Post-COVID Postural Orthostatic Tachycardia Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Period 1 (double-blind): Participant, Care Provider, Investigator, Outcomes Assessor

Period 2 (open-label): No masking

Study Groups

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IgPro20

Group Type EXPERIMENTAL

IgPro20

Intervention Type BIOLOGICAL

IgPro20 is a 20% ready-to-use liquid formulation of polyvalent human immunoglobulin G (IgG) for subcutaneous (SC) administration

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type BIOLOGICAL

2% human albumin solution administered subcutaneously as a volume-matched dose to the experimental IMP.

Interventions

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IgPro20

IgPro20 is a 20% ready-to-use liquid formulation of polyvalent human immunoglobulin G (IgG) for subcutaneous (SC) administration

Intervention Type BIOLOGICAL

Placebo

2% human albumin solution administered subcutaneously as a volume-matched dose to the experimental IMP.

Intervention Type BIOLOGICAL

Other Intervention Names

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HIZENTRA®

Eligibility Criteria

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Inclusion Criteria

1. Provide written informed consent and be willing and, in the opinion of the investigator, able to adhere to all protocol requirements.
2. Males and females aged ≥ 18 at the time of providing written informed consent.
3. Diagnosis of post-COVID POTS, defined by both a preceding COVID-19 infection based on confirmed historical documentation and onset of POTS symptoms developing within 4 months after COVID-19 infection as defined per consensus criteria.
4. COMPASS-31 score of at least 40 at the Screening visit.
5. Positive confirmatory standardized standing test (ie, HR increase of ≥ 30 bpm \[≥ 40 bpm for participants aged 18 to 19 years\] within 10 minutes in the absence of orthostatic hypotension) at the Screening visit.

Exclusion Criteria

1. Treatment with Immunoglobulin G (IgG) or plasmapheresis within 12 weeks before Screening
2. Symptoms and / or diagnosis of or receiving treatment for POTS before COVID-19 infection
3. Prior diagnosis of or receiving current treatment at Screening for the following conditions (unless onset was related to the inciting POTS-associated COVID-19 infection): certain neurologic, autoimmune, endocrine, cardiac, or other disorders, and pre-existing psychiatric disorders
4. Presence of active infections, including human immunodeficiency virus infection, hepatitis B, hepatitis C, active SARS-CoV-2 infection, or any uncontrolled systemic infection
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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CSL Behring

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Study Director

Role: STUDY_DIRECTOR

CSL Behring

Locations

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University of Alabama Hospital at Birmingham

Birmingham, Alabama, United States

Site Status

Center for Complex Neurology, EDS & POTS

Phoenix, Arizona, United States

Site Status

Mayo Clinic Arizona

Scottsdale, Arizona, United States

Site Status

Arkansas Cardiology Clinic - Little Rock

Little Rock, Arkansas, United States

Site Status

UC San Diego Health

La Jolla, California, United States

Site Status

University of california Irvine

Orange, California, United States

Site Status

National Jewish Health

Denver, Colorado, United States

Site Status

Hope Research Network

Miami, Florida, United States

Site Status

Well Pharma Medical Research, Corp

Miami, Florida, United States

Site Status

Velocity Clinical Research, Savannah

Savannah, Georgia, United States

Site Status

LSU Health Sciences Center

New Orleans, Louisiana, United States

Site Status

Velocity Clinical Research, Metairie

New Orleans, Louisiana, United States

Site Status

Johns Hopkins Bayview Medical Center PMR

Baltimore, Maryland, United States

Site Status

Mass General Brigham (Massachusetts General Hospital)

Belmont, Massachusetts, United States

Site Status

Profound Research LLC at Millennium Affiliated Physicians

Farmington Hills, Michigan, United States

Site Status

Velocity Clinical Research - Lincoln

Lincoln, Nebraska, United States

Site Status

Dysautonomia Clinic

Buffalo, New York, United States

Site Status

NYU Langone Health South Shore Neurologic Associates

Patchogue, New York, United States

Site Status

Duke University Medical Center

Durham, North Carolina, United States

Site Status

Bernstein Clinical Research Center

Cincinnati, Ohio, United States

Site Status

University Hospital Cleveland Medical Center

Cleveland, Ohio, United States

Site Status

Hightower Clinical

Oklahoma City, Oklahoma, United States

Site Status

Penn Presbyterian Medical Center

Philadelphia, Pennsylvania, United States

Site Status

Velocity Clinical Research - Union

Union, South Carolina, United States

Site Status

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Site Status

UT Austin Dell Medical School

Austin, Texas, United States

Site Status

University of Texas Southwestern Medical Center

Dallas, Texas, United States

Site Status

Prolato Clinical Research Center

Houston, Texas, United States

Site Status

Sunbeam Clinical Research

McKinney, Texas, United States

Site Status

University of Texas Health Science Center

San Antonio, Texas, United States

Site Status

Bateman Horne Center

Salt Lake City, Utah, United States

Site Status

Metrodora Institute

West Valley City, Utah, United States

Site Status

Velocity Clinical Research - Hampton

Hampton, Virginia, United States

Site Status

VCU Health

Richmond, Virginia, United States

Site Status

Libin Cardiovascular Institute University of Calgary

Calgary, , Canada

Site Status

University of Alberta Hospital

Edmonton, , Canada

Site Status

McGill University Health Centre

Québec, , Canada

Site Status

Ciussse-Chus

Sherbrooke, , Canada

Site Status

Countries

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United States Canada

Other Identifiers

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2023-508744-22-00

Identifier Type: CTIS

Identifier Source: secondary_id

IgPro20_3010

Identifier Type: -

Identifier Source: org_study_id

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