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NCT03440411 · REGISTRY CONDITION SEARCH

Pom-dex Versus Pom-Cyclo-dex in MM Patients With Biochemical or Clinical Relapse, During Lena Maintenance Treatment

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase
PHASE3
Status at capture
TERMINATED
Registry last update
2021-03-10

The combination lenalidomide plus low-dose dexamethasone (Rd) is an active treatment for Multiple Myeloma (MM) patients, both at diagnosis and at relapse. Pomalidomide, is an immunomodulatory molecule (IMID), derivative of thalidomide, developed to improve the efficacy and reduce the toxicity of the parent molecule. Pomalidomide and dexamethasone (pom-dex) proved to be an effective and safe treatment in MM patients refractory to lenalidomide and refractory/intolerant to bortezomib. The addition of chemotherapy to novel drugs has been evaluated both at diagnosis and at relapse. The combination of pomalidomide-cyclophosphamide-prednisone proved to be safe and effective in relapsed/refractory MM patients. The combination pomalidomide-cyclophosphamide-dexamethasone (pom-cyclo-dex) was tested in a phase II study in patients with relapsed and refractory MM, demonstrating a good tolerability using pomalidomide at the dose of 4 mg. Pom-cyclo-dex resulted in a superior response rate and Progression-Free Survival (PFS) compared to pom-dex. The increased hematologic toxicities, as a result of the addition of oral cyclophosphamide, were manageable. With an overall response rate of 65% the combination demonstrated a promising efficacy.The first aim of our trial, is to compare the combination of pom-cyclo-dex vs pom-dex. Relapsed myeloma is defined as previously treated myeloma that progresses and requires the initiation of salvage therapy. According to International Myeloma Working Group (IMWG) recommendation, biochemical relapse is defined as an increase of ≥ 25% of tumor burden from lowest value, without any CRAB feature (CRAB is defined as the onset of clinical symptoms: hypercalcemia, renal failure, anemia and bone lesions) and detected in 2 consecutive determinations. Clinical relapse requires one or more direct indicators of progressive disease and end organ dysfunction (CRAB features). Treatment at relapse should start in case of clinical relapse or a significant paraprotein increase (doubling of M-component in 2 months). In case of biochemical relapse the standard is observation only, as in case of asymptomatic MM at diagnosis. However, a recently published trial, showed improved PFS and OS for newly diagnosed asymptomatic patients treated with lenalidomide and dexamethasone in comparison with observation only. Our hypothesis is that similarly, in the relapse setting, patients may benefit from an early intervention, meaning a treatment at biochemical relapse and not only in case of clinical relapse or rapid increase of M-component.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

flow

Participant flow

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baseline

Baseline characteristics

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outcome · POSTED

Overall Survival (OS)

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outcome · POSTED

Overall Survival

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outcome · POSTED

Clinical Progression

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outcome · POSTED

Progression Free-survival (PFS)

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outcome · POSTED

Progression Free Survival (PFS)

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outcome · POSTED

Progression Free-survival 2(PFS2)

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outcome · POSTED

Progression Free Survival 2(PFS2)

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outcome · POSTED

Objective Overall Response Rate for the Comparison B vs A

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outcome · POSTED

Objective Overall Response Rate for the Comparison II vs I

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outcome · POSTED

Quality of Life Questionnaire (QLQ) With EORTC-QLQ-C30

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outcome · POSTED

Quality of Life With QLQ-MY(Myeloma)24

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adverse events

Adverse events

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more info

Limitations, agreements, and source contact

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Who could take part
eligibility Criteria
Inclusion Criteria: * Patients \>18 years and \<80 years. * Patient is, in the investigator(s) opinion, willing and able to comply with the protocol requirements. * Patient has given voluntary written informed consent before performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the patient at any time without prejudice to their future medical care. * Male patient agrees to use an acceptable method for contraception (i.e. condom or abstinence) for the duration of the study. Female of childbearing potential agrees to use two acceptable methods for contraception \[implant, levonorgestrel-releasing intrauterine system (IUS), medroxyprogesterone acetate depot, tubal sterilization, sexual intercourse with a vasectomised male partner only (vasectomy must be confirmed by two negative semen analyses), ovulation inhibitory progesterone-only pills (i.e. desogestrel)\] or absolute and continuous sexual abstinence. * Patient has measurable disease, defined as follows: any quantifiable serum monoclonal protein value (generally, but not necessarily, ≥ 0.5 g/dL of M-protein) and, where applicable, urine light-chain excretion of \>200 mg/24 hours; only in patients without measurable serum and urine M-protein levels: the difference between involved and uninvolved Free Light Chain (FLC) levels must be \> 10 mg/dL. Less than 10% of oligo- or non-secretory MM patients with free light chains will be admitted to this study in order to maximize interpretation of benefit results. * Patient receiving lenalidomide maintenance therapy as part of first line treatment (concomitant use of prednisone is accepted) and has experienced a biochemical relapse, with evidence of progressive disease defined as an increase of 25% from lowest response value in any one or more of the following: serum M-component (absolute increase must be ≥0.5 g/100 ml) and/or urine M-component (absolute increase must be ≥200 mg per 24 hours) only in patients without measurable serum and urine M-protein levels: the difference between involved and uninvolved FLC levels must be \>10 mg/dL (35). * Patient who received as first line treatment a bortezomib-based therapy, including lenalidomide maintenance during the same line of therapy, can be included in the trial. * Patient has a life-expectancy \> 3 months * Patient has not a currently active malignancy, other than non melanoma skin cancer and carcinoma in situ of the cervix, and has not invasive malignancies within the past 5 years. * No history of allergic reactions attributed to study agents * Patient has the following laboratory values within 28 days before baseline day 1 of the cycle 1: 1. absolute neutrophil count (ANC) \> 1 x 10\^9/L 2. platelet count \> 75 x 10\^9/L 3. haemoglobin \> 8 g/dl. 4. aspartate transaminase (AST): \< 2 x the upper limit of normal (ULN). 5. alanine transaminase (ALT): \< 2 x the ULN. Exclusion Criteria: * Pregnant or lactating females. * Patient with Creatinine Clearance (CrCl) \< 45 mL/minute * Patient with peripheral neuropathy ≥ Grade 2 * Subject with any one of the following: * Congestive heart failure (NY Heart Association Class III or IV) * Myocardial infarction within 12 months prior to starting study treatment * Unstable or poorly controlled angina pectoris, including Prinzmetal variant angina pectoris * Any significant medical disease or conditions (e.g. pulmonary disease, infection) that, in the investigator's opinion, may interfere with protocol adherence or subject's ability to give informed consent or could place the subject at unacceptable risk. * Clinical active infectious hepatitis type A, B, C or HIV Acute active infection requiring antibiotics or infiltrative pulmonary disease * Contraindication to any of the required drugs or supportive treatments. * Known allergy to any of the study medications, their analogues, or excipients in the various formulations
healthy Volunteers
false
maximum Age
80 Years
minimum Age
18 Years
sex
ALL
std Ages
  1. ADULT
  2. OLDER_ADULT
Treatment arms and interventions
arm Groups
  1. description
    Patients will receive treatment at biochemical relapse with pom-dex Pomalidomide: 4 mg/day on days 1-21 Dexamethasone: 40 mg on days 1, 8, 15, 22 For 28-day cycles until progression or intolerance
    intervention Names
    1. Drug: Pomalidomide
    2. Drug: Dexamethasone
    label
    ARM pom-dex Early (A-I)
    type
    ACTIVE_COMPARATOR
  2. description
    Patients will receive treatment at biochemical relapse with pom-cyclo-dex Pomalidomide: 4 mg/day on days 1-21 Cyclophosphamide: 50 mg every other day Dexamethasone: 40 mg on days 1, 8, 15, 22 For 28-day cycles until progression or intolerance
    intervention Names
    1. Drug: Pomalidomide
    2. Drug: Cyclophosphamide
    3. Drug: Dexamethasone
    label
    ARM pom-cyclo-dex Early(B-I)
    type
    EXPERIMENTAL
  3. description
    Patients will be randomized at biochemical relapse and they will start treatment with pom-dex at the onset of CRAB symptoms/significant paraprotein increase. Pomalidomide: 4 mg/day on days 1-21 Dexamethasone: 40 mg on days 1, 8, 15, 22 For 28-day cycles until progression or intolerance
    intervention Names
    1. Drug: Pomalidomide
    2. Drug: Dexamethasone
    label
    ARM pom-dex Late (A-II)
    type
    EXPERIMENTAL
  4. description
    Patients will be randomized at biochemical relapse and they will start treatment with pom-cyclo-dex at the onset of CRAB symptoms/significant paraprotein increase. Pomalidomide: 4 mg/day on days 1-21 Cyclophosphamide: 50 mg every other day Dexamethasone: 40 mg on days 1, 8, 15, 22 For 28-day cycles until progression or intolerance
    intervention Names
    1. Drug: Pomalidomide
    2. Drug: Cyclophosphamide
    3. Drug: Dexamethasone
    label
    ARM pom-cyclo-dex Late (B-II)
    type
    ACTIVE_COMPARATOR
interventions
  1. arm Group Labels
    1. ARM pom-cyclo-dex Early(B-I)
    2. ARM pom-cyclo-dex Late (B-II)
    3. ARM pom-dex Early (A-I)
    4. ARM pom-dex Late (A-II)
    description
    4 mg/daily as oral administration (PO) on days 1-21.
    name
    Pomalidomide
    other Names
    1. Imnovid(R)
    type
    DRUG
  2. arm Group Labels
    1. ARM pom-cyclo-dex Early(B-I)
    2. ARM pom-cyclo-dex Late (B-II)
    description
    50 mg every other day as oral administration (PO) on days 1-28
    name
    Cyclophosphamide
    other Names
    1. Endoxan(R)
    type
    DRUG
  3. arm Group Labels
    1. ARM pom-cyclo-dex Early(B-I)
    2. ARM pom-cyclo-dex Late (B-II)
    3. ARM pom-dex Early (A-I)
    4. ARM pom-dex Late (A-II)
    description
    40 mg as oral administration (PO) on days 1, 8, 15, 22.
    name
    Dexamethasone
    other Names
    1. Soldesam(R)
    type
    DRUG
Study design
allocation
RANDOMIZED
intervention Model
FACTORIAL
intervention Model Description
This is a 2x2 factorial randomized study.
masking Info
masking
NONE
primary Purpose
TREATMENT
Enrollment
count
9
type
ACTUAL
Registered outcome plans (not posted results)
primary Outcomes
  1. description
    defined as the time from the date of random disclosure to the date of death from any cause for the comparisons B vs A
    measure
    Overall Survival (OS)
    time Frame
    57 months
  2. description
    defined as the time from the date of random disclosure to the date of death from any cause for the comparisons II vs I
    measure
    Overall Survival
    time Frame
    57 months
secondary Outcomes
  1. description
    defined as the time from random assignment to the early or late strategy to the date of onset of CRAB symptoms or death. Clinical relapse requires one or more direct indicators of progressive disease and end organ dysfunction (CRAB features). Evidence of end organ damage that can be attributed to the underlying plasma cell proliferative disorder: * hypercalcaemia * renal insufficiency * anaemia * bone lesions Any one or more of the following biomarkers of malignancy: * clonal bone marrow plasma cell percentage ≥60% * involved:uninvolved serum free light chain ratio ≥100 * \>1 focal lesions on MRI studies (each focal lesion must be 5 mm or more in size) Progresson was defined accoring to IMWG criteria as reported before
    measure
    Clinical Progression
    time Frame
    57 months
  2. description
    PFS for the comparison B vs A will be measured from the date of randomization disclosure to the date of first observation of PD, or death from any cause as an event. Subjects who have not progressed or who withdraw from the study will be censored at the time of the last complete disease assessment. All subjects who were lost to Follow Up (FU) will also be censored at the time of last complete disease assessment
    measure
    Progression Free-survival (PFS)
    time Frame
    57 months
  3. description
    PFS for the comparison II vs I will be measured from the date of randomization disclosure to the date of first observation of PD, or death from any cause as an event. Subjects who have not progressed or who withdraw from the study will be censored at the time of the last complete disease assessment. All subjects who were lost to FU will also be censored at the time of last complete disease assessment
    measure
    Progression Free Survival (PFS)
    time Frame
    57 months
  4. description
    PFS for the comparison B vs A will be measured from the date of randomization disclosure to the date of first observation of PD in second line therapy, or death from any cause as an event. Subjects who have not progressed or who withdraw from the study will be censored at the time of the last complete disease assessment. All subjects who were lost to FU will also be censored at the time of last complete disease assessment
    measure
    Progression Free-survival 2(PFS2)
    time Frame
    57 months
  5. description
    PFS for the comparison II vs I will be measured from the date of randomization disclosure to the date of first observation of PD in second line therapy, or death from any cause as an event. Subjects who have not progressed or who withdraw from the study will be censored at the time of the last complete disease assessment. All subjects who were lost to FU will also be censored at the time of last complete disease assessment
    measure
    Progression Free Survival 2(PFS2)
    time Frame
    57 months
  6. description
    in terms of partial response (PR), very good partial response (VGPR), complete response (CR).and stringent complete response (sCR) according to IMWG response crieria (https://www.myeloma.org/resource-library/international-myeloma-working-group-imwg-uniform-response-criteria-multiple).
    measure
    Objective Overall Response Rate for the Comparison B vs A
    time Frame
    57 months
  7. description
    in terms of partial response (PR), very good partial response (VGPR), complete response (CR).and stringent complete response (sCR) according to IMWG response crieria (https://www.myeloma.org/resource-library/international-myeloma-working-group-imwg-uniform-response-criteria-multiple).
    measure
    Objective Overall Response Rate for the Comparison II vs I
    time Frame
    57 months
  8. description
    outcome will be measured with EORTC-QLQ-C30 at baseline, every 2 months during the first year, and then every 6 months for the comparison B vs B and I vs II.
    measure
    Quality of Life Questionnaire (QLQ) With EORTC-QLQ-C30
    time Frame
    57 months
  9. description
    outcome will be measured with QLQ-MY24 at baseline, every 2 months during the first year, and then every 6 months for the comparison B vs B and I vs II.
    measure
    Quality of Life With QLQ-MY(Myeloma)24
    time Frame
    57 months
Full study description
brief Summary
The combination lenalidomide plus low-dose dexamethasone (Rd) is an active treatment for Multiple Myeloma (MM) patients, both at diagnosis and at relapse. Pomalidomide, is an immunomodulatory molecule (IMID), derivative of thalidomide, developed to improve the efficacy and reduce the toxicity of the parent molecule. Pomalidomide and dexamethasone (pom-dex) proved to be an effective and safe treatment in MM patients refractory to lenalidomide and refractory/intolerant to bortezomib. The addition of chemotherapy to novel drugs has been evaluated both at diagnosis and at relapse. The combination of pomalidomide-cyclophosphamide-prednisone proved to be safe and effective in relapsed/refractory MM patients. The combination pomalidomide-cyclophosphamide-dexamethasone (pom-cyclo-dex) was tested in a phase II study in patients with relapsed and refractory MM, demonstrating a good tolerability using pomalidomide at the dose of 4 mg. Pom-cyclo-dex resulted in a superior response rate and Progression-Free Survival (PFS) compared to pom-dex. The increased hematologic toxicities, as a result of the addition of oral cyclophosphamide, were manageable. With an overall response rate of 65% the combination demonstrated a promising efficacy.The first aim of our trial, is to compare the combination of pom-cyclo-dex vs pom-dex. Relapsed myeloma is defined as previously treated myeloma that progresses and requires the initiation of salvage therapy. According to International Myeloma Working Group (IMWG) recommendation, biochemical relapse is defined as an increase of ≥ 25% of tumor burden from lowest value, without any CRAB feature (CRAB is defined as the onset of clinical symptoms: hypercalcemia, renal failure, anemia and bone lesions) and detected in 2 consecutive determinations. Clinical relapse requires one or more direct indicators of progressive disease and end organ dysfunction (CRAB features). Treatment at relapse should start in case of clinical relapse or a significant paraprotein increase (doubling of M-component in 2 months). In case of biochemical relapse the standard is observation only, as in case of asymptomatic MM at diagnosis. However, a recently published trial, showed improved PFS and OS for newly diagnosed asymptomatic patients treated with lenalidomide and dexamethasone in comparison with observation only. Our hypothesis is that similarly, in the relapse setting, patients may benefit from an early intervention, meaning a treatment at biochemical relapse and not only in case of clinical relapse or rapid increase of M-component.
detailed Description
Multiple myeloma (MM) is a neoplastic disease of older adults, with a higher incidence in elderly patients: 26% are aged 65-74 years, and 37% are older than 75 years. The annual prevalence of MM is approximately 31 cases per 100,000 people in patients aged 65-74 years, and it increases to 46 cases per 100,000 people in patients aged ≥75 years. The prevalence of myeloma is likely to increase due to the extended survival and the growing life expectancy of the general population. Recently, the introduction of novel agents such as thalidomide, lenalidomide, pomalidomide and bortezomib, has changed the treatment paradigm of MM and extended survival. The prognosis of patients who are refractory to novel agents is especially poor. A retrospective study has recently demonstrated that patients with relapsed MM, who were refractory to bortezomib and were relapsed following, refractory to or ineligible to receive treatment with an IMiD, had a median overall survival (OS) and event free survival (EFS) of 9 and 5 months, respectively. STUDY DESIGN When patients experience biochemical relapse during lenalidomide maintenance, they will stop lenalidomide, as established in the related experimental protocol. Afterwards, patients can be considered for the enrollment in the present study if all inclusion and exclusion criteria are met. This is a multicenter, randomized, open label phase III study designed to assess the safety and the efficacy of two different pomalidomide combinations as salvage treatment in multiple myeloma (MM) patients. Patients will be evaluated at scheduled visits in up to 3 study periods: pre-treatment, treatment and long-term follow-up (LTFU). The pre-treatment period includes screening visits, performed at study entry. After providing written informed consent to participate in the study, patients will be evaluated for study eligibility. The screening period includes the availability of inclusion criteria described above. The treatment period includes administration of pomalidomide and dexamethasone in arm A and pomalidomide combined with cyclophosphamide and dexamethasone in arm B. The response will be assessed after each cycle. Patients will be randomized to receive treatment at biochemical relapse (ARM I) or at clinical relapse (ARM II). The LTFU periods will start after development of confirmed progression disease (PD), all patients are to be followed for survival during the LTFU period every 3 months via telephone or office visit.
Source references
Source notices and limitations
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    Preserved source evidence · Not medical advice