Ixazomib (MLN9708) and Dexamethasone in High Risk Smoldering Multiple Myeloma: A Clinical and Correlative Pilot Study

Completed · Phase 1

Conditions studied: Multiple Myeloma, High Risk Smoldering Multiple Myeloma

In brief

The purpose of this study is to see what effects, good and/or bad, the combination of ixazomib and dexamethasone has on the patient and the smoldering multiple myeloma.

Key facts

Study ID: NCT02697383
Run by: Memorial Sloan Kettering Cancer Center
People needed: 14
Starts: 2016-02-01
Expected to finish: 2024-05-08
Last updated by the study team: 2024-05-13

Who can join

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

You may qualify if…

Patients must have histologically or cytologically confirmed Smoldering Multiple Myeloma confirmed by Department of Pathology, based on the International Myeloma Working Group Criteria
Serum M-protein ≥3 g/dl and/or bone marrow plasma cells ≥10 %,
Absence of anemia attributed to the plasma cell disorder*: Hemoglobin >10 g/dl or not more than 2g/dL below the lower limit of normal
Absence of renal failure attributed to the plasma cell disorder*: calculated creatinine clearance (according to Cockcroft-Gault method, MDRD, or CKD-EPI formulae) > 30 mL/min (or alternatively based on standard creatinine level criteria of 2 mg/dl)
Absence of hypercalcemia attributed to the plasma cell disorder* (: Ca < 10.5 mg/dl or ≤ 2.5 mmol/L
Absence of lytic bone lesion
Absence of Clonal bone marrow plasma cell percentage ≥60%
Absence of Involved: uninvolved serum free light chain ratio ≥100
Absence >1 focal lesions on MRI studies
To be determined based on clinical and laboratory assessment by the primary oncologist
"High-risk SMM" per Mayo Clinic or Spanish PETHEMA criteria
Measurable disease within the past 4 weeks defined by any one of the following
Serum monoclonal protein ≥ 1.0 g/dl
Urine monoclonal protein >200 mg/24 hour
Serum immunoglobulin free light chain >10 mg/dL AND abnormal kappa/lambda ratio (reference 0.26-1.65)
Age ≥18 years
ECOG performance status 0, 1, or 2.
Ability to give informed consent.
Patients must have normal organ and marrow function as defined below:
Absolute neutrophil count ≥1.0 K/μL
Platelets ≥ 75 K/μL (Platelet transfusions to help patients meet eligibility criteria are not allowed within 3 days before study enrollment.)
Hemoglobin > 10 g/dL(transfusions are not permissible)
Total bilirubin ≤1.5 X institutional upper limit of normal AST(SGOT)/ALT(SGPT) ≤ 3.0 X institutional upper limit of normal
Female patients who:
Are postmenopausal for at least 24 months before the Screening visit, OR

You may not qualify if…

Participation in other clinical trials, including those with other investigational agents not included in this trial and throughout the duration of this trial; within at least 5 half-lives of previous therapy for smoldering myeloma at start of this trial.
Prior therapy for SMM with a proteasome inhibitor.
Patients with a diagnosis of MM per standard IMWG criteria
Contraindication to any concomitant medication, including antivirals, anticoagulation prophylaxis, tumor lysis prophylaxis, or hydration given prior to therapy.
Known allergy to any of the study medications, their analogues, or excipients in the various formulations of any agent.
Uncontrolled hypertension or diabetes.
Females patients who are lactating or have a positive serum pregnancy test during the screening period.
Known GI disease or GI procedure that could interfere with the oral absorption or tolerance of ixazomib including difficulty swallowing.
Patient has ≥ Grade 1 peripheral neuropathy with pain on clinical examination during the screening period.
Evidence of current uncontrolled cardiovascular conditions, including uncontrolled hypertension, uncontrolled cardiac arrhythmias, symptomatic congestive heart failure, unstable angina, or myocardial infarction within the past 6 months.
Systemic treatment, within 14 days before study enrollment, with strong inhibitors of CYP1A2 (fluvoxamine, enoxacin, ciprofloxacin), strong inhibitors of CYP3A (clarithromycin, telithromycin, itraconazole, voriconazole, ketoconazole, nefazodone, posaconazole) or strong CYP3A inducers (rifampin, rifapentine, rifabutin, carbamazepine, phenytoin, phenobarbital), or use of Ginkgo biloba or St. John's wort.
Ongoing or active systemic infection, known human immunodeficiency virus (HIV) positive, known active hepatitis B virus hepatitis, or known active hepatitis C virus hepatitis.
Co-morbid systemic illnesses or other severe concurrent disease that, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens.
Psychiatric illness/social situation that would limit compliance with study requirements.
QTc > 470 milliseconds (msec) on a 12-lead EKG obtained during the Screening period. If a machine reading is above this value, the EKG should be reviewed by a qualified reader and confirmed on a subsequent EKG.
Diagnosed or treated for another malignancy within 2 years before study enrollment or previously diagnosed with another malignancy and have any evidence of residual disease. Patients with non-melanoma skin cancer or carcinoma in situ of any type are not excluded if they have undergone complete resection.
Failure to have fully recovered (ie, ≤ Grade 1 toxicity) from the reversible effects of prior chemotherapy.
Inability to swallow oral medication, inability or unwillingness to comply with the drug administration requirements or GI procedure that could interfere with the oral absorption or tolerance of treatment.
Major surgery within 14 days prior to enrollment.
Radiotherapy within 14 days before enrollment. If the involved field is small, 7 days will be considered a sufficient interval between treatment and administration of the ixazomib.
Central nervous system involvement (based on clinical assessment).
Infection requiring systemic antibiotic therapy or other serious infection within 14 days before study enrollment.
No current anti-myeloma bisphosphonate therapy (however, prior bisphosphonates and/or bisphosphonate therapy due to osteoporosis is allowed).
Patients with Paget's disease of the bone.
Patients that have previously been treated with ixazomib, or participated in a study with ixazomib whether treated with ixazomib or not.

Where it is running

Memorial Sloan Kettering Cancer Center — Basking Ridge, New Jersey, United States
Memorial Sloan Kettering Monmouth — Middletown, New Jersey, United States
Memorial Sloan Kettering Bergen — Montvale, New Jersey, United States
Memorial Sloan Kettering Commack — Commack, New York, United States
Memorial Sloan Kettering Westchester — Harrison, New York, United States
Memorial Sloan Kettering Cancer Center — New York, New York, United States

Full record on ClinicalTrials.gov

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