A Study to Assess Adults With CIDP Transitioning From IVIg to Efgartigimod PH20 SC

Completed · Phase 4

Conditions studied: Chronic Inflammatory Demyelinating Polyneuropathy

In brief

This study will measure how adults with CIDP receiving IVIg treatment adjust to efgartigimod PH20 SC. The study duration for each participant will be approximately 17 to 19 weeks.

Key facts

Study ID

NCT06637072

Run by

argenx

People needed

23

Starts

2024-12-10

Expected to finish

2026-02-19

Last updated by the study team

2026-04-06

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Is at least 18 years of age and the local legal age of consent
• Is diagnosed with CIDP (confirmed or possible CIDP) according to the criteria of the European Academy of Neurology/Peripheral Nerve Society
• Is being treated with IVIg every 3-6 weeks, on a stable dose and dosing interval (between 0.5-2 g/kg) for at least 3 doses
• If receiving oral corticosteroids, this should be at a stable dose of less than 20 mg a day or less than 40 mg every other day, for at least a month.
• If receiving nonsteroidal immunosuppressive medication, this should be at a stable dose for at least 3 months

You may not qualify if…

• Besides the indication under study, known autoimmune disease or any medical condition that would interfere with an accurate assessment of clinical symptoms of CIDP or puts the participant at undue risk
• Types of other polyneuropathy other than CIDP

Where it is running

• MedStar Washington Hospital Center — Washington D.C., District of Columbia, United States
• Neurology Associates PA — Maitland, Florida, United States
• Visionary Investigators Network — Miami, Florida, United States
• Northwestern Memorial Hospital — Chicago, Illinois, United States
• Velocity Clinical Research — Lafayette, Louisiana, United States
• SRI International - ClinEdge — Plymouth, Michigan, United States
• Velocity Clinical Research — Raleigh, North Carolina, United States
• Erlanger Neuroscience Institute — Chattanooga, Tennessee, United States
• Vanderbilt University Medical Center — Nashville, Tennessee, United States
• National Neuromuscular Research Institute — Austin, Texas, United States
• Horizon Clinical Research: Gill Neuroscience — Cypress, Texas, United States
• Northwest Houston Neurology - Cypress — Cypress, Texas, United States
• Cedar Health Research - Dallas — Dallas, Texas, United States

Full record on ClinicalTrials.gov

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