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RECRUITING
NCT07773727
PHASE2

A Study to Evaluate the Effect of ARGX-121 on the Change in Proteinuria in Adult Participants With IgAN

Sponsor: argenx

View on ClinicalTrials.gov

Summary

The study will assess how ARGX-121 affects immunoglobulin A nephropathy (IgAN) disease outcomes, such as renal function, how it is distributed and eliminated from the body, and how the immune system responds in adults with IgAN. While in the study, participants will continue to receive their usual medical care and medications for IgA nephropathy, unless the study doctor confirms otherwise. The study will include a double blinded period, followed by an active drug period, and conclude with a follow up period. The total study duration for participants will be approximately 72 weeks, with a maximum of 52 weeks on ARGX-121.

Official title: A Phase 2, Multicenter, Randomized, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Tolerability of ARGX-121 SC in Adult Participants With Primary IgA Nephropathy

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

120

Start Date

2026-11-05

Completion Date

2030-02-18

Last Updated

2026-10-27

Healthy Volunteers

No

Interventions

BIOLOGICAL

ARGX-121

Subcutaneous Injection of ARGX-121

BIOLOGICAL

Placebo

Subcutaneous Injection of Placebo

Locations (11)

Amicis Research Center - Valencia

Valencia, California, United States

Bioresearch Partners

Miami, Florida, United States

Nephrology Associates of South Miami PA

Miami, Florida, United States

BioResearch Partner - Pembroke Pines

Pembroke Pines, Florida, United States

Michigan Kidney Consultants

Pontiac, Michigan, United States

Prolato Clinical Research Center

Houston, Texas, United States

Northwest Houston Arthritis Center - Houston

Houston, Texas, United States

Utah Kidney Research Institute

Salt Lake City, Utah, United States

Kidney and Hypertension Specialists- Virginia

Manassas, Virginia, United States

Japanese Red Cross Fukuoka Hospital

Fukuoka, Fukuoka, Japan

Sapporo City General Hospital

Sapporo, Hokkaidô, Japan