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NCT07264426Recruiting

Real-World Efgartigimod Effectiveness in CIDP: A Prospective Study

argenx

Start Date

8/11/2025

Completion Date

10/1/2029

Summary

The aims of this study are to assess the real-world effectiveness of efgartigimod in treating chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), describe the "treatment journey" of participants with CIDP, and assess the utilization of health care services among adult participants with CIDP who initiate treatment with efgartigimod. As this is a noninterventional study, treatment choices and decisions will be left to the discretion of participants and their physicians, according to the standard of care. Each participant will be prospectively followed for up to 2 years from the date of initial administration of efgartigimod.

Eligibility Criteria

Age Range: 18 years to No maximum

Inclusion Criteria: * Aged ≥18 years at time of providing informed consent * Diagnosed with CIDP * Planned to be receiving efgartigimod treatment within the CIDP treatment label of efgartigimod in the participant's respective country * Efgartigimod treatment-naïve at time of screening Exclusion Criteria: * Polyradiculoneuropathy due to any other cause(s) * Current participation in any interventional clinical study at time of screening, or planned participation before initiation of efgartigimod

Interventions

BIOLOGICAL

Efgartigimod PH20 SC

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Conditions

Chronic Inflammatory Demyelinating PolyradiculoneuropathyCIDPCIDP (Chronic Inflammatory Demyelinating Polyradiculoneuropathy)

Locations

PPD Virtual

Wilmington, North Carolina 28401

United States

Jüdisches Krankenhaus Berlin

Berlin, 13347

Germany

Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil GmbH

Bochum, 44789

Germany

UK-RUB - Katholisches Klinikum Bochum - St. Josef Hospital

Bochum, 44791

Germany

Universitätsklinikum Köln

Cologne, 50937

Germany

Universitätsklinikum Düsseldorf

Düsseldorf, 40225

Germany

Universitätsklinikum Frankfurt

Frankfurt, 60590

Germany

UKGM - Universitätsklinikum Gießen und Marburg GmbH

Giessen, 35392

Germany

Universitätsmedizin Göttingen

Göttingen, 37075

Germany

Universitätsklinikum Hamburg Eppendorf

Hamburg, 20251

Germany

Neurologie Neuer Wall - Dr.Bredow & Partner

Hamburg, 20354

Germany

Medizinische Hochschule Hannover

Hanover, 30625

Germany

Universitatsklinikum des Saarlandes

Homburg, 66424

Germany

Universitätsklinikum Magdeburg A.ö.R.

Magdeburg, 39120

Germany

Universitätsklinikum Mannheim

Mannheim, 68167

Germany

Universitätsklinikum Gießen und Marburg GmbH - Standort Marburg

Marburg, 35043

Germany

Mühlenkreiskliniken - Johannes Wesling Klinikum Minden

Minden, 32429

Germany

Friedrich-Baur-Institute München

München, 80336

Germany

Alexianer St. Josef Potsdam GmbH

Potsdam, 14471

Germany

Immanuel Klinik Rüdersdorf

Rüdersdorf, 15562

Germany

Diakonie-Klinikum Schwäbisch Hall gGmbH

Schwäbisch Hall, 74523

Germany

Universitätsklinikum Tübingen

Tübingen, 72076

Germany

Universitätsklinikum Ulm

Ulm, 89081

Germany