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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06348108
Other study ID # 232514
Secondary ID NCI-2024-01992
Status Not yet recruiting
Phase Phase 1
First received
Last updated
Start date July 1, 2024
Est. completion date June 30, 2028

Study information

Verified date March 2024
Source University of California, San Francisco
Contact Kenya Gomez
Phone 877-827-3222
Email Kenya.Gomez@ucsf.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This phase I trial tests the safety, side effects, and best dose of talquetamab in combination with iberdomide and dexamethasone in treating patients with multiple myeloma that has come back after a period of improvement (relapsed) or has not responded to previous treatment (refractory). There is currently a significant unmet need for patients with relapsed or refractory multiple myeloma (RRMM) who are triple class refractory and have been exposed to B-cell maturation antibody (BCMA) targeted therapy. These patients currently have limited treatment options and poor survival. Talquetamab is approved for use by the Food and Drug Administration (FDA) to treat RRMM when given alone. Talquetamab can bring T-cells to the myeloma cell, resulting in myeloma cell death. Iberdomide is an investigational drug. Iberdomide works by targeting and destroying proteins that help myeloma cancer cells to survive. Dexamethasone is a corticosteroid, is similar to a natural hormone produced by the adrenal glands. It relieves inflammation (swelling, heat, redness, and pain) and is used to treat certain types of cancer including myeloma. Giving talquetamab in combination with iberdomide and dexamethasone may be safe, tolerable and effective in treating patients with RRMM


Description:

PRIMARY OBJECTIVES: I. To assess safety of the combination of talquetamab (Tal), iberdomide (Iber) and dexamethasone (Dex) in patients with triple class exposed (TCE) RRMM. (Phase 1b-dose escalation (DE)). II. To assess dose limiting toxicity (DLT) and determine the recommended phase 2 dose (RP2D) of the combination of Tal, Iber and Dex administered in 28-day cycles in patients with TCE RRMM. (Phase 1b-DE) III. To further assess safety of RP2D of the combination of Tal, Iber and Dex administered in 28-day cycles in patients with TCE RRMM Len-refractory, and having received >= 2 prior lines of therapy. (Phase 1b-expansion (Exp)) IV. To assess overall response rate (ORR) in patients with TCE RRMM, Len-refractory, and having received ≥ 2 prior lines of therapy. (Phase 1b-Exp). SECONDARY OBJECTIVES: I. To assess ORR, and to determine minimal residual disease (MRD) negative (-) rates in patients achieving ≥ very good partial remission (VGPR). II. To assess toxicity (incidence of adverse events (AEs), serious AEs (SAEs), and treatment discontinuation due to toxicity) and safety (physical examination findings, vital signs, and clinical laboratory evaluations) in patients with RRMM. III. Describe changes in health-related quality of life (HRQoL) using the European Organization for Research and Treatment of Cancer (C30) -Quality of Life questionnaire (QLQ) (EORTC-QLQ-C30) and EORTC QLQ-Multiple Myeloma Questionnaire (MY20)). EXPLORATORY OBJECTIVES: I. To assess serial cytokines levels with treatment of the combination of Tal, Iber and Dex and predictive values of response, cytokine release syndrome (CRS) and other adverse events. II. To assess changes in immune cells in blood and bone marrow with treatment of the combination of Tal, Iber and Dex. III. To determine the efficacy of combination of Tal, Iber and Dex defined as achieving complete response (CR) and MRD (-) status and correlation between mass spectroscopy and bone marrow (BM) MRD assessments. OUTLINE: This is a dose-escalation study of Iber followed by a dose-expansion study. Patients receive Tal subcutaneous (SQ) over 1-3 minutes on days 1, 4, 8, and 15 of cycle 1, days 1 and 15 of cycles 2-6, and day 1 of cycle 7 and subsequent cycles, Iber orally (PO) once daily (QD) on days -7 thru day 14 of cycle 1 and days 1-21 of cycle 2 and subsequent cycles, and Dex PO on days 1, 4, 8, 15, and 22 of cycle 1 and on days 1, 8, 15, and 22 of cycles 2-4, but may be continued at the discretion of the investigator. Treatment repeats every 35 days for cycle 1 and then every 28 days for subsequent cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow biopsy, skeletal x-ray, computed tomography (CT), positron emission tomography (PET)/CT, or magnetic resonance imaging (MRI), tissue and blood sample collection throughout the study. After completion of study treatment, patients are followed up at 30 days every 8 weeks for up to 2 years or until progression or initiation of subsequent therapy.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 38
Est. completion date June 30, 2028
Est. primary completion date June 30, 2026
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Male or female = 18 years of age. 2. Has a prior history of (h/o) MM (based on International Myeloma Working Group (IMWG) criteria) and now has evidence of relapsed or refractory MM. RRMM of progressive disease as defined by the IMWG 2006 and 2016 criteria (Kumar at al). 3. Specific criteria for dose escalation and dose expansion: 1. Phase 1 dose escalation: patients will be required to have TCE RRMM (including a proteasome inhibitor (PI) (= 2 cycles or 2 months of treatment), an immunomodulatory drug (IMiD)) (= 2 cycles or 2 months of treatment) and a CD38 antibody (= 2 cycles or 2 months of treatment) after receiving = 3 prior lines of therapy. Prior BCMA exposure is allowed. (Subjects with discontinued PI/IMiD/Cluster of differentiation 38 (CD38) therapy due to severe adverse event after < 2 months are allowed) 2. Dose expansion cohort: RRMM patients will be lenalidomide refractory, TCE (exposed to IMiD, PI and CD38 antibody therapy (= 2 cycles or 2 months of treatment for each) and have received = 2 prior lines of therapy. Prior BCMA targeted therapy is allowed, not required. (Subjects with discontinued PI/IMiD/CD38 therapy due to severe adverse event after < 2 months are allowed. Lenalidomide refractory is defined as having evidence of progressive disease on lenalidomide (= 10 mg or greater, = 21 days/28) or within 60 days of stopping lenalidomide therapy.) 4. Has measurable disease defined as at least 1 of the following: 1. Serum M-protein = 0.5 g/dL (dose escalation) and 1.0 g/dL (dose expansion cohorts) 2. Urine M-protein = 200 mg/24 hours 3. Serum free light chain (FLC) assay: involved FLC assay = 10 mg/dL (= 100 mg/L) AND an abnormal serum FLC ratio (< 0.26 or > 1.65). (Can be used to fulfill the inclusion criteria of measurable disease in patients who do not have measurable disease by M-protein). 5. Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. 6. Has adequate baseline organ function, as demonstrated by the following: 1. Calculated creatinine clearance > 30 mL/min as assessed by the Cockcroft-Gault equation, Modification of Diet in Renal Disease (MDRD) equation (National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), 2015) or as assessed by 24-hour urine collection. 2. Serum bilirubin = 1.5 mg/dL, excluding Gilbert's. 3. Aspartate transaminase (AST) and alanine transaminase (ALT) = 2.5 × institutional upper limit normal (ULN). 4. Total serum calcium (corrected for serum albumin) or ionized calcium within normal limits (WNL) (treatment of hypercalcemia is allowed and patients may enroll if hypercalcemia returns to WNL with standard treatment). 7. Has adequate baseline hematologic function, as demonstrated by the following: 1. Absolute neutrophil count (ANC) = 1.0 x 10^9/L (myeloid growth factors must not have been administered within 7 days (14 days for extended 1/2-life products). 2. Hemoglobin = 8 g/dL (red blood cell transfusions permitted provided the anemia is disease-related). 3. Platelet count = 100 x 10^9/L and no platelet transfusions during the 7 days before first dose (without transfusions). (Dose expansion cohorts will be allowed to have platelets counts = 75 x 10^9/L with no platelet transfusions during the prior 7 days). 8. Must have at least 2 negative serum beta-human chorionic gonadotropin (ß-hCG) pregnancy test result obtained prior to initiating therapy. The first test should be performed within 10-14 days and the second within 24 hours prior to initiating therapy if the patient is a female of childbearing potential (FCBP; defined as a sexually mature woman who has not undergone a hysterectomy or bilateral oophorectomy or has not been naturally postmenopausal for at least 24 consecutive months). 9. Men and women of childbearing potential must agree to not donate sperm and eggs (ova and oocytes) throughout study therapy and for 3 months after the last treatment. 10. Men and women agree to use acceptable contraceptive methods for the duration of time on the study, and continue to use acceptable contraceptive methods for 3 months after the last treatment with study treatment. 1. Women of childbearing potential must agree to 2 methods of reliable birth control simultaneously while receiving study treatment and until 100 days after last dose of study treatment: one highly effective form of contraception (tubal ligation, intrauterine device, hormonal [oral, injectable, transdermal patches, vaginal rings or implants] or partner's vasectomy, and 1 additional effective contraceptive method (male latex or synthetic condom, diaphragm or cervical cap). 2. Males must agree to always use a latex or synthetic condom during any sexual contact with females of reproductive potential. 11. All patients should be encouraged to be fully vaccinated prior to initiation of therapy including being up-to-date on vaccines against pneumococcus, yearly influenza, Coronavirus disease (COVID) booster(s), and any age appropriate vaccine. Live attenuated vaccines are not allowed while on study treatment or within 4 weeks of starting treatment. 12. Has provided signed informed consent before initiation of any study-specific procedures or treatment. 13. Must agree to, and be capable of, adhering to the study visit schedule and other protocol requirements, including follow-up for overall survival. Exclusion Criteria: 1. Has persistent clinically significant toxicities (grade = 2; per National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0) from previous anticancer therapy (excluding alopecia which is permitted and excluding grades 2 and 3 laboratory abnormalities (including hematologic abnormalities) if participants are not associated with symptoms, are not considered clinically significant by the investigator, and can be managed with available medical therapies. 2. Has NCI CTCAE grade = 3 peripheral neuropathy from any etiology or grade = 2 peripheral neuropathy with pain. 3. Has received treatment with cytotoxic (alkylators) within 3 weeks, biologic (IMiDs/PIs) within 2 weeks, targeted therapies (monoclonal antibodies) within 4 weeks, chimeric antigen receptor (CAR) T-cell (CAR-T)or autologous stem cell transplant therapy within 3 months or any novel therapy within 5- 1/2 lives of therapy. 4. Has had radiation therapy within 14 days of first dose of study therapy, unless less than 5% marrow exposure, then no limit. 5. Has had any prior GPRC5D targeted bispecific antibody therapy or GPRC5D CAR-T therapy or has had previous treatment with Iber. 6. Has any active or uncontrolled infection including any viral, bacterial or fungal infection; and/or HIV, active hepatitis (Hep) C and active Hep B (hepatitis B (HB) surface antigen (HBsAg) (+), HB core antigen (HBcAb) (+) or (+) Hep B deoxyribonucleic acid (DNA) by polymerase chain reaction (pcr), Hep C ribonucleic acid (RNA) (+) by pcr. Patients who have received Intravenous immunoglobulin therapy (IVIG) replacement therapy may have (+) HBcAb results from the IVIG therapy. These patients can enroll if Hep B DNA by pcr test is negative. These patients need to be on antiviral therapy and be monitored for hepatitis B virus (HBV) DNA throughout study therapy per local guidelines and as clinically indicated. 7. Has an additional active malignancy that may confound the assessment of the study endpoints. If the patient has a past cancer history (active malignancy within 2 years before study entry) with substantial potential for recurrence, this must be discussed with the sponsor/investigator before study entry. Patients with the following concomitant neoplastic diagnoses are eligible: nonmelanoma skin cancer and carcinoma in situ (including transitional cell carcinoma, cervical cancer, anal carcinoma, ductal carcinoma in situ (DCIS) and melanoma in situ), any cancer resected with curative intent, low-grade cancer not requiring therapy. 8. Is pregnant or breast feeding. 9. Has clinically significant cardiovascular disease including, albeit not limited to: 1. Uncontrolled or any New York Heart Association Class 3 or 4 congestive heart failure 2. Uncontrolled angina, history of myocardial infarction, unstable angina or stroke within 6 months before study entry 3. Uncontrolled hypertension or clinically significant arrhythmias not controlled by medication. 10. Has active POEMS (polyneuropathy, organomegaly, endocrinopathy/edema, monoclonal-protein, skin syndrome), amyloid light (AL) amyloidosis, primary plasma cell leukemia or active central nervous system (CNS) or parenchymal/leptomeningeal myeloma. 11. Has uncontrolled, clinically significant organ dysfunction that in the opinion of the investigator would put the patient at significant risk for toxicity from study therapy. 12. Has recent major surgery within 4 weeks or significant gastrointestinal (GI) disease that would interfere with GI absorption of oral medications. 13. Has a condition, including autoimmune disease, requiring systemic treatment with either corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days before study therapy administration. Inhaled or topical steroids and adrenal replacement doses <10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease. 14. Has received treatment with allogeneic stem cell transplant within 6 months before the first dose of study treatment and if > 6 months from allogeneic stem cell transplantation (alloSCT) must be off all immunosuppression and without evidence of active graft-versus-host disease (GVHD). 15. Uncontrolled epilepsy or new/recent seizure activity within 6 months of study entry. 16. Live vaccine administered within 4 weeks prior to study therapy.

Study Design


Intervention

Biological:
Talquetamab
Given subcutaneously (SQ)
Drug:
Iberdomide
Given orally (PO)
Dexamethasone
Given PO
Procedure:
Bone Marrow Biopsy
Undergo bone marrow biopsy

Locations

Country Name City State
United States University of Calfornia, San Francisco San Francisco California

Sponsors (3)

Lead Sponsor Collaborator
Thomas Martin, MD Bristol-Myers Squibb, Janssen Research & Development, LLC

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of participants reporting treatment-emergent adverse events (AEs) (Dose Escalation Cohorts) Safety will be evaluated for the population of participants who received at least one dose of study drug. Treatment-emergent AEs will be graded by the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. Up to 63 days (Cycle 1 is 35 days in length; Cycle 2+ is 28 days in length)
Primary Proportion of participants experiencing Dose-Limiting Toxicity (DLTs) (Dose Escalation Cohorts) Maximum tolerated dose (MTD) will be defined as the highest dose at which no more than one instance of DLT is observed among 6 participants treated. Up to 63 days (Cycle 1 is 35 days in length; Cycle 2+ is 28 days in length)
Primary Recommended phase 2 dose (RP2D) (Dose Escalation Cohorts) RP2D will be defined as the MTD to be evaluated in the expansion cohort based on safety and preliminary activity of at least 2 dose levels (6 patients treated/dose level). Up to 63 days (Cycle 1 is 35 days in length; Cycle 2+ is 28 days in length)
Primary Proportion of participants experiencing Dose-Limiting Toxicity (DLTs) (Dose Expansion Cohort) The frequency, type, and severity (grade) of each DLT will be reported Up to 3 years
Primary Objective response rate (ORR) (Dose Expansion Cohort) ORR will be defined as all responses greater than or equal to a partial response (PR) (i.e., PR, very good partial response (VGPR), complete response (CR), or stringent complete response (sCR) per International Myeloma Working Group (IMWG) definition). Under Simon's two-stage design, final efficacy evaluation for the primary endpoint will calculate the uniformly minimum variance unbiased estimator, p-value and 95% CI for the response rates. Up to 3 years
Secondary Objective response rate (ORR) (Dose Escalation Cohorts) ORR will be defined as all responses greater than or equal to a partial response (i.e., PR, VGPR, CR, or sCR per IMWG definition). Will be summarized using frequency and percentage, along with 95% CIs. Up to 3 years
Secondary Number of participants achieving VGPR or CR and MRD (negative (-)) response MRD will be defined as achieving = VGPR and MRD (-) response will be defined as having < 1 multiple myeloma clone per 100,000 bone marrow cells (10-5) by next-generation sequencing (NGS) (clono sequence (seq); 10-5). Will be reported for the entire population and for those treated at the MTD. Up to 3 years
Secondary Proportion of participants with treatment-related adverse events Toxicity will be measured by CTCAE version 5.0; cytokine release syndrome and immune effector cell-associated neurotoxicity syndrome (ICANS) will be assessed according to the American Society for Transplantation and Cellular Therapy guidelines; neurological treatment-emergent adverse events that are not assessed as ICANS should be graded per CTCAE version 5.0 and managed by per institutional guidelines. Up to 3 years
Secondary Changes in scores on the European Organization for Research and Treatment of Cancer - Quality of Life questionnaire (EORTC-QLQ-C30) over time The functional domains measure the quality of life in Physical functioning, Role functioning, Emotional functioning, Cognitive functioning, Social functioning. Scores consists of responses to items with responses ranging from 1="Not at all" to 4="Very Much". The raw score is calculated by estimating the mean of the items that make up each domains with a resulting total range of 1 - 4. These scores are then transformed to standardized scale score, so that scores range from 0 to 100. A high score for the functional domains represents a high level of functioning. Up to 3 years
Secondary Changes in scores on the EORTC QLQ- Multiple Myeloma Questionnaire (EORTC-QLQ-M20) over time The EORTC QLQ-MY20 is a 20-item questionnaire that is designed to measure the quality of life of people with multiple myeloma. Scores consists of responses to items addressing multiple myeloma-related symptoms and quality of life issues with responses ranging from 1="Not at all" to 4="Very Much". The raw score is calculated by estimating the mean of the items that make up each domains with a resulting total range of 1 - 4. These scores are then transformed to standardized scale score, so that scores range from 0 to 100. A high score for the functional domains represents a high level of functioning. Up to 3 years
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