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Terminated Phase 2 Interventional Results available

Open Label Extension of Efgartigimod in Adults With Post-COVID-19 POTS

ClinicalTrials.gov ID: NCT05918978

Public ClinicalTrials.gov record NCT05918978. 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.

ClinicalTrials.gov public records Last synced Nov 4, 2026, 2:53 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Open-Label Extension Study to Evaluate the Long-term Safety and Efficacy of Efgartigimod in Adult Patients With Post-COVID-19 Postural Orthostatic Tachycardia Syndrome (PC-POTS) Who Completed Study ARGX-113-2104

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The OLE study aims to investigate the safety, efficacy, pharmacodynamics (PD), pharmacokinetics (PK), and immunogenicity of efgartigimod in participants with post-COVID-19 postural orthostatic.

Study identification

NCT ID
NCT05918978
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
argenx
Industry
Enrollment
33 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 20, 2023 (Actual)
Primary completion
Aug 15, 2024 (Actual)
Completion
Aug 15, 2024 (Actual)
Last update posted
Oct 23, 2025

2023 – 2024

United States locations

U.S. sites
9
U.S. states
7
U.S. cities
9
Facility City State ZIP Site status
UC Sand Diego Sulpizio Cardiovascular Center La Jolla California 92037 —
Standford Movement Disorder Center Palo Alto California 94304 —
North Shore University HealthSystem Glenview Illinois 60026 —
Johns Hopkins University Baltimore Maryland 21205 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
University Hospitals, Neurology Clinical Trials Cleveland Ohio 44106 —
Apex Trials Group Fort Worth Texas 76104 —
Pioneer Clinical Research Rosharon Texas 77583 —
Metrodora Institute West Valley City Utah 84119 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05918978, 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 Oct 23, 2025 · Synced Nov 4, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05918978 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →