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Phase I Trial of Everolimus, Pomalidomide and Dexamethasone in Patients With Relapsed/Refractory Multiple Myeloma

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ClinicalTrials.gov Identifier: NCT01889420
Recruitment Status : Terminated (Low accrual)
First Posted : June 28, 2013
Results First Posted : July 31, 2015
Last Update Posted : July 31, 2015
Sponsor:
Collaborator:
Novartis
Information provided by (Responsible Party):
New Mexico Cancer Care Alliance

Brief Summary:
This study is being conducted to test the possibility that a combination of three drugs, pomalidomide and everolimus with dexamethasone, may improve patient responses when compared with use of either drug alone, with dexamethasone in refractory/relapsed multiple myeloma.

Condition or disease Intervention/treatment Phase
Multiple Myeloma in Relapse Drug: Combination therapy Phase 1

Detailed Description:
Given that pomalidomide is an FDA approved drug for patients with relapsed or progressive myeloma, and everolimus has been shown to have single agent activity in relapsed myeloma, it seems reasonable to combine these two active drugs in patients with relapsed/refractory disease. Given that low dose dexamethasone dramatically improved the response rate of pomalidomide, this drug will be added to the combination.

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 1 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase I Trial of Everolimus, Pomalidomide and Dexamethasone in Patients With Relapsed/Refractory Multiple Myeloma
Study Start Date : July 2014
Actual Primary Completion Date : June 2015
Actual Study Completion Date : July 2015


Arm Intervention/treatment
Experimental: Combination therapy
Pomalidomide: 1 tablet orally, daily for 21 days of a 28 day cycle (dose per cohort) Everolimus: 1 tablet orally for 21 days of a 28 day cycle (dose as per cohort) Dexamethasone 40 mg (20 mg >75yrs) orally, days 1, 8,15, 22 of a 28 day cycle
Drug: Combination therapy

Following determination of the maximum tolerated dosages in the phase I portion of this study, all patients enrolled in the extension portion will receive the predetermined dosage combination of pomalidomide, everolimus and dexamethasone.

Cycles will span 28 days. Dosage schedules will be:

  1. Everolimus daily for 28 days of a 28 day cycle;
  2. Pomalidomide daily for 21 days of a 28 day cycle
  3. Dexamethasone once weekly (on days 1,8,15,22) of a 28 day cycle.
Other Names:
  • Pomalyst
  • Afinitor




Primary Outcome Measures :
  1. Maximum Tolerated Dosage (MTD)(Phase I) [ Time Frame: 2 years ]
    The Maximum Tolerated Dose (MTD) will be determined by first identifying the dose level at which >= 30% of patients experience a Dose Limiting Toxicity (DLT) according to NCI Common Terminology Criteria for Adverse Events (CTCAE) version 4.0, over a 28 day cycle. DLT will be defined based on the rate of drug-related grade 3-5, non-hematological adverse events experienced within the first 4 weeks (1 cycle) for each combined dosage scheme. The MTD will be defined as one dosage level below which DLT was observed in >= 30% of patients.


Secondary Outcome Measures :
  1. Toxicity Profile [ Time Frame: 2 years ]
    The toxicity profile will be described by specific adverse event rates among patients experiencing > grade 3 hematologic events (lasting >7 days) or grades 3-5 non-hematologic adverse events, according to NCI Common Terminology Criteria for Adverse Events (CTCAE) version 4.0, over a 28 day cycle. Specific events will be described as the numbers of patients experiencing them within each treatment cohort.

  2. Anti-tumor Effect [ Time Frame: 3.5 years ]

    Anti-tumor effect will be assessed based on serum protein electrophoresis (SPEP) of the monoclonal protein (M-protein) and plasma concentrations of K/L free light chains (FLC) after each 28-day cycle. Descriptive statistics will be used for this measurement.

    Complete response (CR): disappearance of any M-protein and FLC as measured by SPEP and/or FLC. Pre-existing plasmacytomas must have completely resolved.

    Partial response (PR): >50% reduction in M-protein and >50% reduction in the difference between involved and uninvolved FLC. Any plasmacytoma must have decreased in size by >50%.

    Stable disease: not meeting criteria for CR, PR, or progressive disease (PD). PD: >25% increase from baseline in serum or urine M-protein (serum M-protein must increase by > 0.5 gm/dl; urine M-protein must increase by >200 mg /24 hr); or development of new plasmacytomas or new lytic bone lesions; or a measurable increase in the size of these lesions; or hypercalcemia (>11.5 mg/dl) attributed to MM.


  3. Overall Response Rate (RR) [ Time Frame: 3 years ]

    ORR is the percentage of patients with a > Partial Response (PR). Response is assessed based on serum protein electrophoresis (SPEP) of the monoclonal protein (M-protein) and plasma concentrations of K/L free light chains (FLC) after each 28-day cycle.

    Complete response (CR): disappearance of any M-protein and FLC as measured by SPEP and/or FLC. Pre-existing plasmacytomas must have completely resolved.

    PR: >50% reduction in M-protein and >50% reduction in the difference between involved and uninvolved FLC. Any plasmacytoma must have decreased in size by >50%.

    Stable disease: not meeting criteria for CR, PR, or progressive disease (PD). PD: >25% increase from baseline in serum or urine M-protein (serum M-protein must increase by > 0.5 gm/dl; urine M-protein must increase by >200 mg /24 hr); or development of new plasmacytomas or new lytic bone lesions; or a measurable increase in the size of these lesions; or hypercalcemia (>11.5 mg/dl) attributed to MM.




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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

Age > 18 years

Relapsed or progressive multiple myeloma (MM) (Progressive Disease), defined as a 25% increase from the lowest response value in ANY of the following:

Serum M-protein (absolute increase ≥0.5 g/dL)

Urine M-protein (absolute increase of ≥200 mg/24 hours)

Bone marrow plasma cell percentage (≥ 10% absolute increase) in absence of measurable M-protein

Difference in kappa & lambda free light chain levels (ratio must be abnormal; absolute change must be >10 mg/dL)

Patients are also considered to have progressive disease when:

New bone or soft tissue lesions (e.g. plasmacytomas) are identified; or

There is an unequivocal increase in the size of previously existing lesions; or

The development of an otherwise unexplained serum calcium >11.5 mg/dL

Have received 1, but no more than 4 prior treatment regimens or lines of therapy for MM (Induction therapy followed by stem cell transplant & consolidation/maintenance therapy will be considered as one line of therapy)

ECOG Performance status 0 - 2

Life expectancy of at least 12 weeks

Evaluable MM with, at least one of the following, assessed within 21 days prior to randomization:

Serum M-protein ≥ 0.5 g/dL, or Urine M-protein ≥ 200 mg/24 hour, or

In absence of detectable serum or urine M-protein, serum FLC (SFLC) > 100 mg/L (involved light chain) and/or an abnormal kappa/lamda ratio (>4:1 or <2:1), or

Monoclonal plasma cells in a bone marrow biopsy/aspirate of >5%

Adequate organ and marrow function as defined below:

  • Leukocytes ≥ 2,500/mcL
  • Absolute neutrophil count ≥ 1,500/mcL
  • Platelets ≥ 100,000/mcL
  • Total bilirubin < 2 X ULN
  • AST(SGOT)/ALT(SPGT) ≤ 2.5 X ULN
  • Creatinine < 1.5 X ULN

Contraception Women of child-bearing potential and men must agree to use adequate contraception prior to study entry, for duration of study, and for 90 days after completion of therapy.

A female of child-bearing potential is considered to be any woman (regardless of sexual orientation, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria:

  • No hysterectomy or bilateral oophorectomy; or
  • Not naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months).

Male patients must use an effective barrier method of contraception during study and for 3 months following the last dose if sexually active with a female of child-bearing potential.

No prior therapy with pomalidomide or everolimus.

Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria:

Have had chemotherapy or radiotherapy within 4 weeks prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier.

Receiving any other investigational agents. Minimum 4 week "washout" period is required.

History of allergic reactions attributed to compounds of similar chemical or biologic composition to pomalidomide, everolimus, or other agents used in the study.

Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.

Pregnant or nursing (due to the rick for congenital abnormalities and the potential of this regimen to harm nursing infants).

Glucocorticoid therapy (prednisone > 30 mg/day or equivalent) within 14 days prior to randomization.

POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein, and skin changes).

Plasma cell leukemia or circulating plasma cells ≥ 2 × 10^9/L.

Waldenstrom's Macroglobulinemia.

Patients with known amyloidosis.

Focal radiation therapy within 7 days prior to randomization. Radiation therapy to an extended field involving a significant volume of bone marrow within 21 days prior to randomization (i.e., prior radiation must have been to less than 30% of the bone marrow).

Immunotherapy within 21 days prior to randomization.

Myelodysplastic syndrome

Major surgery (excluding kyphoplasty) within 28 days

Known cirrhosis.

Significant neuropathy (Grades 3 to 4, or Grade 2 with pain) within 14 days

Ongoing graft-vs-host disease.

Using CYP3A4 inhibitors such as Ketoconazole, Ritonavir, Itraconazole, Erythromycin, Clarithromycin, Nelfinavir, Fluconazole, Amiodarone, Cyclosporine, Diltiazem, nefazadone,fluvoxamine, verapamil, chloramphenicol, Indinavir or saquinavir within 7 days of treatment.


Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01889420


Locations
United States, New Mexico
UNM Cancer Research and Treatment Center
Albuquerque, New Mexico, United States, 87131
Sponsors and Collaborators
New Mexico Cancer Care Alliance
Novartis
Investigators
Principal Investigator: Ian Rabinowitz, MD University of New Mexico Cancer Center
Principal Investigator: Ducinea D Quintana, MD University of New Mexico Cancer Center

Additional Information:
Responsible Party: New Mexico Cancer Care Alliance
ClinicalTrials.gov Identifier: NCT01889420     History of Changes
Other Study ID Numbers: INST 1304
First Posted: June 28, 2013    Key Record Dates
Results First Posted: July 31, 2015
Last Update Posted: July 31, 2015
Last Verified: July 2015

Keywords provided by New Mexico Cancer Care Alliance:
myeloma
relapse
refractory
relapsed
pomalidomide
pomalyst
everolimus
afinitor
dexamethasone

Additional relevant MeSH terms:
Multiple Myeloma
Neoplasms, Plasma Cell
Recurrence
Neoplasms by Histologic Type
Neoplasms
Hemostatic Disorders
Vascular Diseases
Cardiovascular Diseases
Paraproteinemias
Blood Protein Disorders
Hematologic Diseases
Hemorrhagic Disorders
Lymphoproliferative Disorders
Immunoproliferative Disorders
Immune System Diseases
Disease Attributes
Pathologic Processes
Dexamethasone acetate
Dexamethasone
Pomalidomide
Everolimus
Sirolimus
Thalidomide
BB 1101
Anti-Inflammatory Agents
Antiemetics
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Gastrointestinal Agents