CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 53 enrolled
Drug / intervention
Efgartigimod +1 moredrug
Likely dose
Efgartigimod 10 mg/kgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05633407
NCT05633407Phase 2Completed

A Phase 2 Randomized, Double-blinded, Placebo-controlled Study to Evaluate the Efficacy and Safety of Efgartigimod IV in Adult Patients With Post-COVID-19 Postural Orthostatic Tachycardia Syndrome (POTS)

argenx·interventional·Posted Dec 1, 2022·Updated May 23, 2025

In Brief

A Phase 2 clinical trial evaluating Efgartigimod and Placebo for Postural Orthostatic Tachycardia Syndrome. Completed, enrolled 53 participants across 11 sites.

Detailed Summary

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

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
CollaboratorsIQVIA Pty Ltd

Timeline

Phase 2CompletedFinished
2023202420252026
First PostedDec 1, 2022
Enrollment StartSep 23, 2022
Primary CompletionApr 18, 2024
TodayJul 2, 2026
Enrollment to primary: 1.6 yearsPosted 3.6 years ago

Interventions

Efgartigimoddrug

Efgartigimod IV 10 mg/kg infusion qw for 24 weeks. Participants will be randomized to receive efgartigimod IV 10 mg/kg or matching placebo in a 2:1 ratio, respectively

Placebodrug

Receive a matching placebo during weekly infusions during a treatment period of 24 weeks. Participants will be randomized to receive efgartigimod IV 10 mg/kg or matching placebo in a 2:1 ratio, respectively