Isatuximab in Patients With Monoclonal Gammopathy of Renal Significance

Running, not enrolling · Phase 2

Conditions studied: Monoclonal Gammopathy

In brief

The purpose of this study is to see whether Isatuximab can help improve kidney function of participants with MGRS. Isatuximab is approved by the Food and Drug Administration (FDA) for the treatment of adult patients with multiple myeloma, but it is not approved by the FDA to treat MGRS. This means that the use of isatuximab in this study is considered 'investigational'.

Key facts

Study ID

NCT04614558

Run by

Columbia University

People needed

12

Starts

2021-06-08

Expected to finish

2027-02-01

Last updated by the study team

2026-07-23

Who can join

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

You may qualify if…

• Renal biopsy proven diagnosis of an MGRS disorder including the following:
• Proliferative glomerulonephritis with monoclonal immunoglobulin deposits (PGNMID)
• C3 glomerulopathy associated with monoclonal gammopathy
• Non-Amyloid Fibrillary Glomerulonephritis
• Light chain Proximal Tubulopathy
• Immunotactoid Glomerulopathy
• A concurrent diagnosis of Monoclonal gammopathy (with +ve Serum and/or Urine protein electrophoresis or Bone marrow biopsy) is required in patients with C3 glomerulopathy but not for other disorders. Patients with concurrent MGUS, non-high risk smoldering myeloma are eligible for enrollment.
• Measurable Proteinuria ≥1gram over 24 hours.
• Prior Therapy: Newly diagnosed as well as patients with previous therapy but persistent renal dysfunction and persistent proteinuria ≥1gram over 24 hours are eligible for enrollment. Patients who received a prior cluster of differentiation 38 (CD38) antibody therapy are not eligible for study. In patients who have received prior therapy a wash out period of 12 weeks for chemotherapy based therapies and 24 weeks for Rituximab based therapies is required between completion of prior therapy and cycle 1 Day1 of study therapy.
• Age ≥18 years.
• Eastern Cooperative Oncology Group (ECOG) performance status ≤2.
• Life expectancy of greater than 6 months
• Participants must have normal organ and marrow function as defined below:
• Leukocytes ≥3,000/microliters (mcL)
• absolute neutrophil count ≥1,500/mcL
• platelets ≥100,000/mcL
• total bilirubin within normal institutional limits
• Aspartate aminotransferase (AST) (SGOT)/alanine transaminase (ALT)(SGPT) ≤2.5 × institutional upper limit of normal
• Estimated glomerular filtration rate (eGFR) ≥30 mL/min/1.73 m2.

You may not qualify if…

• Participants who have had chemotherapy based therapy within 12 weeks or Rituximab based therapy within prior 24 weeks prior to starting the cycle 1 Day 1 of trial therapy
• Participants who are receiving any other investigational agents concurrently.
• History of severe allergic reactions or anaphylaxis attributed to compounds of similar chemical or biologic composition to Isatuximab.
• Diagnosis of Multiple Myeloma or High risk smoldering Multiple Myeloma or a B cell lymphoma meeting criteria for therapy.
• Renal Biopsy showing the coexistence of other significant diagnosis e.g. diabetic nephropathy.
• Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• Pregnant and Lactating women are excluded from this study because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with Isatuximab.
• HIV-positive Participants are ineligible because of increased risk of lethal infections when treated with immunosuppressive therapy.

Where it is running

• Massachusetts General Hospital, Renal Associates Clinic — Boston, Massachusetts, United States
• Columbia University Irving Medical Center — New York, New York, United States

Full record on ClinicalTrials.gov

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