Ixazomib, ONC201, and Dexamethasone in Relapsed/Refractory Multiple Myeloma

Stopped early · Phase 1/Phase 2

Conditions studied: Multiple Myeloma

In brief

ONC201 is a novel dopamine receptor D2 antagonist that is able to activate the integrated stress response pathway. It is active against multiple myeloma cells in vitro, both as a single agent and in combination with corticosteroids and proteasome inhibitors. In order to document superiority over the combination compared to the individual agents of ixazomib and ONC201 in a single arm study, there will initially be a run-in period of weekly ONC201 625 mg with dexamethasone 40 mg such that if there is progression of disease (25% increase) after 4 weeks or less than a minimal response (25% reduction) after 8 weeks then ixazomib will be added. Dexamethasone is dose-reduced to 20 mg at the same schedule for subjects ≥ 75 years old. If patients do achieve single-agent responses with ONC201 (minimal response or better), they will continue with weekly ONC201 and dexamethasone until progression, with response assessments after each 28-day cycle. Patients who have previously been treated on another clinical trial with weekly ONC201 625mg with dexamethasone with progression while receiving treatment do not need to complete the run-in phase of the study. At the time of progression, they will proceed to the 3 drug combination phase of the study. It is at the point of 3 drug initiation, that below phase I DLT principles or phase II disease control rate considerations apply.

Key facts

Study ID

NCT03492138

Run by

Ajai Chari

People needed

5

Starts

2018-03-26

Expected to finish

2020-01-14

Last updated by the study team

2020-05-29

Who can join

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

You may qualify if…

• Signed Written Informed Consent: Voluntary written consent must be given before performance of any study-related procedure not part of standard medical care
• Target Population
• Symptomatic MM having progressed on 2 prior therapies including proteasome inhibitor (i.e. bortezomib, carfilzomib ixazomib), immunomodulatory drug (i.e., thalidomide, lenalidomide, pomalidomide), and daratumumab or other CD38 targeting monoclonal antibody. Proteasome inhibitor refractory patients are eligible. Subjects must not be candidates for treatment regimens known to provide clinical benefit to be eligible for this study.
• Male or female patients 18 years or older
• Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2.
• Patients must have measurable disease defined by at least 1 of the following 3 measurements:
• i. Serum M-protein > 0.5 g/dL ii. Urine M-protein > 200 mg/24 hours iii. Serum free light chain assay: involved free light chain level >10 mg/dL (> 100 mg/L) provided the serum free light chain ratio is abnormal

You may not qualify if…

• Medical History and Concurrent Diseases
• Peripheral neuropathy > Grade 2 or >Grade 1 with pain on clinical examination during the Screening period.
• Significant cardiac disease as determined by the investigator including:
• i. Known or suspected cardiac amyloidosis ii. Congestive heart failure of Class III or IV of the NYHA classification iii. Uncontrolled angina, hypertension or arrhythmia iv. Myocardial infarction in the past 6 months v. Any uncontrolled or severe cardiovascular disease vi. QTc > 470 milliseconds (msec) on a 12-lead ECG obtained during the Screening period. If a machine reading is above this value, the ECG should be reviewed by a qualified reader and confirmed on a subsequent ECG.
• c. Known active hepatitis B (defined as most recent serum PCR or hepatitis B surface antigen positive) or active hepatitis C (note, hepatitis C in sustained virologic response defined as negative RNA PCR at least 12 weeks after any therapy is permitted).
• d. Any medical conditions that, in the investigator's opinion, would impose excessive risk to the subject, e.g., any uncontrolled disease, such as pulmonary disease, infection, seizure disorder, uncontrolled hyperglycemia.
• e. Any altered mental status or any psychiatric condition that would interfere with the understanding of the informed consent or limit compliance with study requirements.
• f. Prior or concurrent malignancy, except for the following: i. Adequately treated basal cell or squamous cell skin cancer ii. Cervical carcinoma in situ iii. Adequately treated Stage I or II cancer from which the subject is currently in complete remission.
• iv. Or any other cancer from which the subject has been disease-free for ≥ 3 years g. Diarrhea > Grade 1, based on the NCI CTCAE grading, in the absence of antidiarrheals.
• h. Known GI disease or GI procedure that could interfere with the oral absorption or tolerance of study drug, including difficulty swallowing.
• i. Males or females of childbearing potential who do not agree to practice 2 effective methods of contraception, at the same time through 90 days after the last dose of study drug j. Females who are pregnant or breastfeeding. k. Diagnosis of Waldenstrom's macroglobulinemia, POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes) syndrome, plasma cell leukemia, myeloproliferative syndrome, or primary amyloidosis (with the exception of patients whose amyloidosis has been documented as a complication of MM, who will be evaluated on a case-by-case basis for trial participation).
• l. Infection requiring systemic antibiotic therapy or other serious infection within 14 days before study drug administration.
• m. Parkinson's disease 4) Physical and Laboratory Test Findings
• a. Corrected serum calcium ≥ 14 mg/dl within 2 weeks of enrollment (despite appropriate measure such a short course of steroids, bisphosphonates, hydration, and calcitonin).
• b. Absolute neutrophil count < 1000 cells/mm3. No growth factors allowed within 1 week of enrollment.
• c. Platelets < 75,000 cell/mm3 (75 x 109/L). Qualifying laboratory value must occur at most recent measurement before enrollment and must be no more than 14 days before enrollment. No transfusions are allowed within 72 hours prior to study drug administration.
• d. Hemoglobin < 8 g/dL. Qualifying laboratory value must occur at most recent measurement before enrollment and must be no more than 14 days before enrollment. No transfusions are allowed within 72 hours before qualifying laboratory value e. Serum bilirubin ≥ 1.5 x ULN, patients with Gilbert's syndrome and a total bilirubin of < 3 times ULN are permitted) f. AST or ALT ≥ 3 x ULN. g. CrCl < 30 ml/min/1.73m2. Creatinine clearance is estimated by the CKD-EPI formula. (Calculator available at https://www.kidney.org/professionals/kdoqi/gfr_calculator.)
• Prior Therapy or Surgery
• Major surgery or radiation therapy within 14 days before study drug administration.
• Kyphoplasty or vertebroplasty within 1 week of enrollment.
• Administration of chemotherapy, biological, immunotherapy, or investigational agent (therapeutic or diagnostic) within 3 weeks before enrollment (14 days for non-myelosuppressive therapy). Subjects should be 6 weeks from last dose of nitrosourea, nitrogen mustards or monoclonal antibody, 12 weeks from autologous SCT, and 16 weeks from allogeneic SCT.
• Corticosteroids use exceeding a cumulative dose of 160 mg of dexamethasone during screening.
• If prior allogeneic stem cell transplant, history of moderate to severe chronic graft versus host disease (GVHD).
• Treatment with plasmapheresis within 4 weeks before enrollment.
• NSAIDs, IV contrast, aminoglycosides, or other potentially nephrotoxic drugs within 2 weeks of enrollment.

Where it is running

• Icahn School of Medicine at Mount Sinai — New York, New York, United States

Full record on ClinicalTrials.gov

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