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NCT02004275

Pomalidomide and Dexamethasone With or Without Ixazomib in Treating Patients With Relapsed Multiple Myeloma

NCT ID: NCT02004275

Last Updated: 2023-12-01

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

118 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-02-28

Brief Summary

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This randomized phase I/II trial studies the side effects and best dose of pomalidomide and ixazomib when given together with dexamethasone and to see how well pomalidomide and dexamethasone with or without ixazomib works in treating patients with multiple myeloma that has come back. Biological therapies, such as pomalidomide and dexamethasone, may stimulate the immune system in different ways and stop cancer cells from growing. Ixazomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. It is not yet known whether pomalidomide and dexamethasone are more effective with or without ixazomib in treating multiple myeloma.

Detailed Description

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PRIMARY OBJECTIVES:

I. To establish the maximum tolerated dose (MTD) for combination therapy pomalidomide/dexamethasone/ixazomib. (Phase I) II. To assess whether the combination of pomalidomide/dexamethasone/ixazomib improves progression-free survival (PFS) relative to pomalidomide/dexamethasone. (Phase II)

SECONDARY OBJECTIVES:

I. To determine dose-limiting toxicities (DLTs). (Phase I) II. To analyze type and grade of all serious adverse events (SAEs). (Phase I) III. To analyze type and grade of all adverse events (AEs). (Phase I) IV. To analyze the reason for and incidence of dose modifications/omissions/delays. (Phase I) V. To assess preliminary evidence of clinical efficacy. (Phase I) VI. To assess whether the overall response rate (ORR), partial response (PR), very good partial response (VGPR), complete response (CR) or stringent CR (sCR) rate differ with respect to treatment regimen. (Phase II) VII. To assess the clinical benefit rate (CBR: minimal response \[MR\] + ORR) for pomalidomide/dexamethasone/ixazomib compared to pomalidomide/dexamethasone. (Phase II) VIII. To assess the disease control rate (DCR: stable disease \[SD\] + CBR) for pomalidomide/dexamethasone/ixazomib compared to pomalidomide/dexamethasone. (Phase II) IX. For those patients achieving a PR or better, we will assess whether the combination of pomalidomide/dexamethasone/ixazomib increases the duration of response (DOR) compared to pomalidomide/dexamethasone. (Phase II) X. To assess whether the combination of pomalidomide/dexamethasone/ixazomib improves overall survival (OS) compared to those taking pomalidomide/dexamethasone alone. (Phase II) XI. To assess time to next treatment (TNT) for patients taking pomalidomide/dexamethasone/ixazomib compared to those on pomalidomide/dexamethasone. (Phase II) XII. To evaluate the safety of pomalidomide/dexamethasone/ixazomib compared with pomalidomide/dexamethasone. (Phase II) XIII. For patients on the pomalidomide/dexamethasone arm who opt to cross-over to the pomalidomide/dexamethasone/ixazomib arm, assessment of response rate (ORR, CBR, DCR), DOR, TNT, PFS and OS will be evaluated from date of cross-over. (Phase II) XIV. To determine if baseline level of perceived fatigue and overall quality of life (QOL) is associated with OS. (Phase II)

OUTLINE: This is a phase I, dose-escalation study of pomalidomide and ixazomib followed by a phase II study.

After completion of study treatment, patients are followed up every 4 weeks until disease progression and then every 3 months for 3 years.

Conditions

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Multiple Myeloma in Relapse

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm I (pomalidomide, dexamethasone)

Patients receive pomalidomide PO QD on days 1-21 and dexamethasone PO QD on days 1, 8, 15, and 22. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients achieving disease progression may cross over to Arm II.

Group Type EXPERIMENTAL

pomalidomide

Intervention Type DRUG

given PO

dexamethasone

Intervention Type DRUG

given PO

Arm II (pomalidomide, dexamethasone, ixazomib)

Patients receive pomalidomide, dexamethasone, and ixazomib as in Phase I. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Group Type EXPERIMENTAL

pomalidomide

Intervention Type DRUG

given PO

ixazomib

Intervention Type DRUG

given PO

dexamethasone

Intervention Type DRUG

given PO

Interventions

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pomalidomide

given PO

Intervention Type DRUG

ixazomib

given PO

Intervention Type DRUG

dexamethasone

given PO

Intervention Type DRUG

Other Intervention Names

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Pomalyst® MLN9708

Eligibility Criteria

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Inclusion Criteria

* 1 prior line of systemic therapy for multiple myeloma, where a line of therapy for myeloma is defined as 1 or more planned cycles of single agent or combination therapy, as well as a planned series of treatment regimens administered in a sequential manner (e.g. lenalidomide, bortezomib and dexamethasone induction therapy for 4 cycles followed by autologous stem cell transplantation and then lenalidomide maintenance therapy would be considered 1 line of prior therapy); a new line of therapy begins when a planned therapy is modified to include other treatment agents (alone or in combination) as a result of disease progression, disease relapse or treatment-related toxicity (e.g. a patient is progressing in the face of lenalidomide maintenance therapy and has bortezomib and dexamethasone added into their regimen); a new line of therapy also begins when a planned treatment-free interval is interrupted by the need to start treatment due to disease relapse/progression (e.g. a patient with relapsed myeloma achieves a partial response after a planned 8 cycles of cyclophosphamide, bortezomib and dexamethasone, enjoys an 8-month period off therapy but then experiences disease progression requiring re-initiation of therapy)
* Allogeneic stem cell transplantation is allowed provided the patient is \>= 1 year from transplant at time of registration, is not on immunosuppressive therapy to treat/prevent graft-versus-host disease, has no evidence of active graft versus host disease, and no evidence of active infection
* No other chemotherapy or radiation therapy within 14 days prior to registration
* No investigational therapy within 14 days prior to registration
* No major surgery within 28 days prior to registration
* No G-CSF (filgrastim) or GM-CSF (sargramostim) within 7 days of registration or pegfilgrastim within 14 days of registration to meet eligibility criteria
* No platelet transfusions within 7 days of registration to meet eligibility criteria; Note: red blood cell transfusions are allowed at any time
* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)

* Women of childbearing potential:

* Must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mlU/ml no more than 14 days prior to registration and must agree to repeat this test within 24 hours of starting pomalidomide
* Must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, before starting pomalidomide
* Must agree to ongoing pregnancy testing
* Must agree to not become pregnant or breast feed a child during treatment on this protocol
* Men must practice complete abstinence or agree to use a condom during sexual contact with a female of childbearing potential, even if they have had a successful vasectomy
* Note: All participants must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure
* Eastern Cooperative Oncology Group (ECOG) performance status 0-2
* Absolute neutrophil count (ANC) \>= 1.0 x 10\^9/L
* Platelet count \>= 50 x 10\^9/L
* Calculated (Calc.) creatinine clearance \>= 30 mL/min; calculated utilizing the Cockcroft-Gault formula or 24-hour urine collection
* Total bilirubin \< 1.5 x upper limits of normal (ULN)
* Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) \< 2.5 x upper limits of normal (ULN)
* Note: G-CSF and platelet transfusions cannot be used to increase counts to meet eligibility criteria
* Patients cannot have:

* Central nerve system involvement
* Primary refractory multiple myeloma, where primary refractory multiple myeloma is defined as disease that is nonresponsive - patients who have never achieved a minimal response (MR) or better - with any therapy over the course of their disease; it includes patients who never achieve MR or better in whom there is no significant change in M-protein and no evidence of clinical progression as well as patients who meet criteria for true progressive disease (PD)
* Primary or secondary plasma cell leukemia
* Light-chain (AL) amyloidosis or polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes (POEMS) syndrome
* Known active hepatitis C based on:

* +hepatitis C virus (HCV) antibody (confirmed)
* +HCV RNA
* Liver disease with history of positive serology
* Note: patients with a prior history of hepatitis C that has been successfully eradicated with antiviral therapy are eligible
* Known hepatitis B surface antigen positivity
* Previous hypersensitivity to any of the components of the study treatment
* Prior history of erythema multiforme with thalidomide or lenalidomide treatment
* =\< grade 2 peripheral neuropathy
* Adequate cardiac function, defined as:

* No electrocardiogram (EKG) evidence of acute ischemia
* No EKG evidence of active, clinically significant conduction system abnormalities
* No EKG evidence of \> grade 2 (\> 480 ms) corrected QT (QTc) prolongation
* Prior to study entry, any EKG abnormality at screening not felt to put the patient at risk has to be documented by the investigator as not medically significant
* No uncontrolled angina or severe ventricular arrhythmias
* No clinically significant pericardial disease
* No history of myocardial infarction within 6 months prior to registration
* No class 3 or higher New York Heart Association congestive heart failure
* No strong inducers of cytochrome P450 (CYP) 3A4 or CYP1A2 or strong inhibitors of CYP3A4 or CYP1A2 within 14 days prior to registration

* Note: Ixazomib is a substrate of CYP3A4 and CYP1A2
* Patients with human immunodeficiency virus (HIV) infection are eligible, provided they meet the following:

* No history of acquired immunodeficiency syndrome (AIDS)-defining conditions or other HIV related illness
* Cluster of differentiation (CD)4+ cells nadirs \> 350/mm\^3 within 28 days prior to registration
* Treatment sensitive HIV and, if on anti-HIV therapy, HIV viral load \< 50 copies/mm\^3 within 28 days prior to registration
* Note: HIV+ patients who enroll on this study and are assigned to treatment with ixazomib may need to modify their anti-retroviral therapy prior to receiving protocol therapy if they are on strong inducers or potent inhibitors of cytochrome P450 3A4
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Patients randomized to Arm 1 may opt to switch to the 3-drug regimen following disease progression; these patients must be re-registered to the study and meet the eligibility criteria below
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Patient must have measurable disease or non-measurable disease after progression on pomalidomide + dexamethasone, defined as one or more of the following holding true:

\* Measurable disease:
* Serum M-protein \>= 0.5 g/dL and/or
* Urine M-protein \>= 200 mg/24 hours and/or
* Involved serum free light chain level \>= 10 mg/dL AND an abnormal serum free light chain ratio

\* For non-measurable disease:
* Marrow burden of myeloma of at least 30%
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2):

* Women of childbearing potential:

\*\* Must have a negative serum or urine pregnancy test within 72 hours prior to re-registration

\*\* Must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, before starting pomalidomide

\*\* Must agree to ongoing pregnancy testing

\*\* Must agree to not become pregnant or breast feed a child during treatment on this protocol
* Men must practice complete abstinence or agree to use a condom during sexual contact with a female of childbearing potential, even if they have had a successful vasectomy
* Note: All participants must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): ECOG performance status 0-2
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Absolute neutrophil count (ANC) \>= 1.0 x 10\^9/L
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Platelet count \>= 50 x 10\^9/L
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Calc. creatinine clearance \>= 30 mL/min

\* Calculated utilizing the Cockcroft-Gault formula or 24-hour urine collection
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Total bilirubin \< 1.5 x upper limits of normal (ULN)
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): AST and ALT \< 2.5 x upper limits of normal (ULN)
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): Note: G-CSF and platelet transfusions cannot be used to increase counts to meet eligibility criteria
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): =\< grade 2 peripheral neuropathy
* RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): No strong inducers of cytochrome P450 (CYP) 3A4 or CYP1A2 or strong inhibitors of CYP3A4 or CYP1A2 \* Note: Ixazomib is a substrate of CYP3A4 and CYP1A2

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Peter Voorhees, MD

Role: STUDY_CHAIR

University of North Carolina, Chapel Hill

Locations

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Cancer Center of Kansas - Pratt

Pratt, Kansas, United States

Site Status