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NCT06483139 | RECRUITING | Multiple Myeloma

Novel Treatments in Improving Renal Outcomes in Light Chain Cast Nephropathy
Sponsor:

Brigham and Women's Hospital

Information provided by (Responsible Party):

Shruti Gupta

Brief Summary:

Objective 1: To test whether treatment with plasma exchange improves renal recovery in patients with light chain cast nephropathy Objective 2: To compare renal outcomes among patients treated with plasma exchange versus daratumumab-based regimens versus non-daratumumab based-regimens.

Condition or disease

Multiple Myeloma

Light Chain Nephropathy

Acute Kidney Injury

Intervention/treatment

Plasma exchange

Daratumumab

Detailed Description:

Objective 1: We will collect data from patients treated with plasma exchange from major centers across the United States to investigate whether plasma exchange improves renal outcomes. Specifically, we will collect data on at least 150 patients treated with plasma exchange along with 300 control patients not treated with plasma exchange. Objective 2: We will compare renal outcomes among patients with light chain cast nephropathy and AKI treated with plasma exchange (n=150) versus daratumumab based regimen (eg Dara-CyborD) (n=150) versus other novel regimens (e.g., CyborD or another non-daratumumab-based regimen) (n=150). We will examine whether patients who receive dara-based regimens are more likely to have renal recovery compared to patients who do not receive dara-based regimens and to patients who receive plasma exchange. Given the infrequency with which plasma exchange is performed on a single-center level, we will compare outcomes among patients treated with plasma exchange, utilizing data from the multicenter study to those patients who were treated with daratumumab-based regimens without plasma exchange versus non- daratumumab-based regimen.

Study Type : OBSERVATIONAL
Estimated Enrollment : 450 participants
Official Title : The Effect of Novel Treatments in Improving Renal Outcomes Among Patients With Light Chain Cast Nephropathy
Actual Study Start Date : 2024-06-01
Estimated Primary Completion Date : 2025-06-01
Estimated Study Completion Date : 2026-06-01

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers: 1
Criteria
Inclusion Criteria for Plasma Exchange-Treated Patients
  • 1. Adult (≥18 years old)
  • 2. Either a new diagnosis of multiple myeloma confirmed by bone marrow plasmayctosis \>10% or acute relapse of multiple myeloma
  • 3. Light chain cast nephropathy, with involved light chain \>500 mg/L
  • 4. Acute kidney injury, defined as ≥1.5-fold rise in SCr from baseline (as defined in study outcomes) or the need for renal replacement therapy (RRT).
  • 5. Treated with at least 1 round of plasma exchange within 30 days of diagnosis of cast nephropathy
  • 6. Treated with plasma exchange in 2010 or later
  • Inclusion Criteria for Control Patients
    • 1. Adult (≥18 years old)
    • 2. Either a new diagnosis of multiple myeloma confirmed by bone marrow plasmayctosis \>10% or acute relapse of multiple myeloma
    • 3. Light chain cast nephropathy, with involved light chain \>500 mg/L
    • 4. Acute kidney injury, defined as ≥1.5-fold rise in SCr from baseline or the need for renal replacement therapy (RRT)
    Exclusion Criteria for Both Plasma Exchange-Treated Patients and Control Patients
    • 1. Patients with end stage kidney disease
    • 2. Patients with amyloidosis or monoclonal immunoglobulin deposition disease
    • 3. Patients with chronic lymphocytic leukemia, plasma cell leukemia, or Waldenstrom's
    • 4. Moribund condition (e.g., patients who died within 48 hours of initiation of plasma exchange)
    • 5. Active urinary tract obstruction on renal imaging
    • 6. Patients with significant albuminuria (≥2+ on urinary dipstick or \>10% fraction on UPEP)
    • 7. Patients with other biopsy-proven causes of AKI (non-cast nephropathy lesions)
    • 8. Patients who did not receive clone-directed therapy for myeloma
    • 9. Patients who received plasma exchange \>30 days from the time of diagnosis of cast nephropathy
Novel Treatments in Improving Renal Outcomes in Light Chain Cast Nephropathy

Location Details

NCT06483139

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Locations

RECRUITING

United States, Massachusetts

Brigham and Women's Hospital

Boston, Massachusetts, United States, 02130