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Completed Phase 2 Interventional Results available

A Study to Assess the Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP, an Autoimmune Disorder That Affects the Peripheral Nerves)

ClinicalTrials.gov ID: NCT04281472

Public ClinicalTrials.gov record NCT04281472. 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 Oct 24, 2026, 4:34 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Trial to Investigate the Efficacy, Safety, and Tolerability of Efgartigimod PH20 SC in Adult Patients With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

Brief summary

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

This is a Phase 2 study to evaluate the safety and efficacy of the subcutaneous formulation of efgartigimod in adults with CIDP.

Study identification

NCT ID
NCT04281472
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
argenx
Industry
Enrollment
322 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
Apr 15, 2020 (Actual)
Primary completion
May 11, 2023 (Actual)
Completion
May 11, 2023 (Actual)
Last update posted
Aug 20, 2024

2020 – 2023

United States locations

U.S. sites
45
U.S. states
21
U.S. cities
41
Facility City State ZIP Site status
Investigator site 0010065 Birmingham Alabama 35233-2110 —
Investigator site 0010013 Phoenix Arizona 85018 —
Investigator site 0010055 Scottsdale Arizona 85028 —
Investigator Site 0010032 Carlsbad California 92011 —
Investigator site 0010004 Orange California 92868 —
Investigator site 0010190 Pomona California 91767-2009 —
Investigator site 0010160 Rancho Mirage California 92270 —
Investigator site 0010071 San Francisco California 94109 —
Investigator site 0010057 Centennial Colorado 80112 —
Investigator site 0010026 New Haven Connecticut 06520 —
Investigator site 0010072 Boca Raton Florida 33487 —
Investigator site 0010144 Coral Springs Florida 33067-4640 —
Investigator site 0010023 Jacksonville Florida 32209 —
Investigator Site 0010068 Maitland Florida 32751 —
Investigator site 0010059 Miami Florida 33136 —
Investigator site 0010050 Orlando Florida 32806 —
Investigator site 0010172 Ormond Beach Florida 32174-3102 —
Investigator site 0010006 Tampa Florida 33612 —
Investigator site 0010125 Augusta Georgia 30912-3125 —
Investigator site 0010011 Iowa City Iowa 52242 —
Investigator site 0010015 Fairway Kansas 66205 —
Investigator site 0010147 Lexington Kentucky 40536 —
Investigator site 0010014 Detroit Michigan 48201 —
Investigator site 0010063 East Lansing Michigan 48824 —
Investigator site 0010052 Minneapolis Minnesota 55455-4800 —
Investigator site 0010028 Columbia Missouri 65212 —
Investigator site 0010070 New Brunswick New Jersey 08550 —
Investigator site 0010069 New York New York 06511 —
Investigator site 0010168 New York New York 10001 —
Investigator site 0010191 New York New York 10021 —
Investigator site 0010074 New York New York 10032 —
Investigator site 0010075 Patchogue New York 11772 —
Investigator site 0010003 Chapel Hill North Carolina 27517 —
Investigator site 0010077 Durham North Carolina 27710 —
Investigator site 0010051 Cincinnati Ohio 45267-0525 —
Investigator site 0010064 Columbus Ohio 43210 —
Investigator site 0010047 Philadelphia Pennsylvania 15213 —
Investigator site 0010007 Philadelphia Pennsylvania 19104 —
Investigator site 0010067 Pittsburgh Pennsylvania 15123 —
Investigator site 0010066 Austin Texas 78756 —
Investigator site 0010026 Houston Texas 77055-7421 —
Investigator site 0010009 San Antonio Texas 78229 —
Investigator site 0010076 Burlington Vermont 05401 —
Investigator site 0010007 Charlottesville Virginia 22903 —
Investigator site 0010061 Richmond Virginia 23298 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 171 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04281472, 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 Aug 20, 2024 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04281472 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →