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Clinical Trial Summary

This phase Ib trial tests the safety, side effects, and best dose of iberdomide in combination with teclistamab in treating hard-to-treat multiple myeloma. Iberdomide is a medication that belongs to a group of drugs known as cereblon E3 ligase modulators. Iberdomide works by targeting and destroying proteins that help myeloma cancer cells to survive. A monoclonal antibody is a type of protein that can bind to certain targets in the body, such as molecules that cause the body to make an immune response (antigens). Immunotherapy with monoclonal antibodies, such as teclistamab, may help the body's immune system attack the cancer, and may interfere with the ability of cancer cells to grow and spread. Giving iberdomide in combination with teclistamab may be safe and tolerable in treating patients with multiple myeloma.


Clinical Trial Description

PRIMARY OBJECTIVE: I. Estimate the recommended phase 2 dose (RP2D) of iberdomide in combination with teclistamab. SECONDARY OBJECTIVES: I. To evaluate the safety and toxicity profile of iberdomide in combination with teclistamab. II. To observe and record antitumor activity. CORRELATIVE OBJECTIVES: I. To evaluate the changes in the tumor immune microenvironment (exhausted T-cell phenotypes, percent T regulatory cells [T regs], T-cell activation) in peripheral blood and bone marrow caused by the addition of iberdomide to teclistamab and how they relate to minimal residual disease (MRD) status, responses rates and survival outcomes. II. To evaluate soluble B-cell maturation antigen (sBCMA) levels at baseline and how they correlate to response rates and survival outcomes in patients treated with teclistamab plus iberdomide. III. To identify the immunophenotypic and transcriptomic characterization of malignant plasma cells that are resistant to teclistamab and iberdomide. OUTLINE: This is a dose-escalation study of iberdomide in combination with teclistamab. Patients receive teclistamab subcutaneously (SC) on days 1, 4, 7, 15 and 22 for cycle 1 and days 1, 8, 15 and 22 for subsequent cycles. Patients also receive iberdomide orally (PO) once daily (QD) on days 1-21 for cycle 2 and beyond. Cycles repeat every 28 days for up to 4 years in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo blood sample collection, bone marrow aspiration and biopsy and computed tomography (CT), positron emission tomography (PET)/CT or magnetic resonance imaging (MRI) on study. After completion of study treatment, patients are followed up every 3-6 months for up to 2 years. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06465316
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Not yet recruiting
Phase Phase 1
Start date August 16, 2024
Completion date January 30, 2027

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