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NCT03187223 · REGISTRY CONDITION SEARCH

Bendamustine and Melphalan in Myeloma

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

Phase
PHASE2
Status at capture
COMPLETED
Registry last update
2025-01-30

Two high-dose chemotherapy regimens (melphalan alone versus the combination of melphalan and bendamustine) used for conditioning treatment before autologous stem cell transplantation will be compared in a 1:1 randomization in myeloma patients. The experimental arm is the bendamustine and melphalan (BenMel) combined regimen. The melphalan alone (Mel) regimen is the control (standard) treatment. Despite remarkable progress using novel agents both for induction before ASCT as well for maintenance after ASCT, definite cure in myeloma patients remains exceptional due to residual disease escaping intensive treatment. The aim of the study is to show an improvement of the rate of complete Remission 60 days after ASCT in myeloma patients from 50% with melphalan alone to 65% with the combination of bendamustine and melphalan.

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.

Who could take part
eligibility Criteria
Inclusion Criteria: * Myeloma patients after standard first-line induction treatment. A second induction regimen in refractory myeloma patients is allowed. * Patients must be considered being fit for subsequent consolidation with high-dose chemotherapy with melphalan with autologous stem cell support. * Patients must be aged 18-75 years. * Patients must have an ECOG \< 3. * Patients must have a creatinine clearance ≥ 40 ml/min. * Patients must have a LVEF ≥ 40% within three months prior to start of study medication (Echo can be postponed to study treatment visit if clinically indicated). * Female patients of child-bearing potential: No known pregnancy (a pregnancy test in female patients of child-bearing potential is not mandatory since patients are already under induction chemotherapy or mobilization chemotherapy, and pregnancy was excluded before starting chemotherapy…) * Patients must have given voluntary written informed consent. Exclusion Criteria: * Patients with uncontrolled acute infection. * Patients with a transplantation comorbidity index (HCTCI) \> 6 points. * Patients with concurrent malignant disease with the exception of basalioma/spinalioma of the skin or early-stage cervix carcinoma, or early-stage prostate cancer. Previous treatment for other malignancies (not listed above) must have been terminated at least 24 months before registration and no evidence of active disease shall be documented since then. * Patients with major coagulopathy or bleeding disorder. * Patients with other serious medical condition that could potentially interfere with the completion of treatment according to this protocol or that would impair tolerance to therapy or prolong hematological recovery. * Lack of patient cooperation to allow study treatment as outlined in this protocol. * Pregnancy or lactating female patients. * The use of any anti-cancer investigational agents within 14 days prior to the expected start of trial treatment. * Contraindications and hypersensitivity to any of the active chemotherapy compounds.
healthy Volunteers
false
maximum Age
75 Years
minimum Age
18 Years
sex
ALL
std Ages
  1. ADULT
  2. OLDER_ADULT
Treatment arms and interventions
arm Groups
  1. description
    Melphalan 100mg/m2/day iv days -2 and -1
    intervention Names
    1. Drug: Melphalan
    label
    Arm A (Mel)
    type
    ACTIVE_COMPARATOR
  2. description
    Melphalan 100mg/m2/day iv days -2 and -1 Bendamustine 200mg/m2/day iv days -4 and -3
    intervention Names
    1. Drug: Melphalan
    2. Drug: Bendamustine
    label
    Arm B (BenMel)
    type
    EXPERIMENTAL
interventions
  1. arm Group Labels
    1. Arm A (Mel)
    2. Arm B (BenMel)
    description
    High-dose chemotherapy regimen for conditioning treatment before autologous stem cell Transplantation. Patients will receive melphalan at a total dose of 200mg/m2, divided in two doses of 100mg/m2/day on days -2 and -1, with the ASCT at day 0.
    name
    Melphalan
    other Names
    1. Alkeran
    type
    DRUG
  2. arm Group Labels
    1. Arm B (BenMel)
    description
    High-dose chemotherapy regimen for conditioning treatment before autologous stem cell Transplantation. Patients will receive bendamustine at a total dose of 400mg/m2, divided in two doses of 200mg/m2/day on days -4 and -3. Melphalan is given at a total dose of 200mg/m2, divided in two doses of 100mg/m2/day, each on days -2 and -1, with the ASCT at day 0.
    name
    Bendamustine
    other Names
    1. Ribomustin
    type
    DRUG
Study design
allocation
RANDOMIZED
intervention Model
PARALLEL
intervention Model Description
Randomized prospective non-blinded clinical phase II trial investigating the drugs bendamustine hydrochloride and melphalan.
masking Info
masking
NONE
primary Purpose
TREATMENT
Enrollment
count
120
type
ACTUAL
Registered outcome plans (not posted results)
primary Outcomes
  1. description
    Number of Patient achieving complete remissions (CR1) at 60 days after ASCT
    measure
    Complete Remission Rate
    time Frame
    60 days
secondary Outcomes
  1. description
    Number of Patient experiencing toxicities/adverse events assessed according to the CTCAE 4.0 during the study period
    measure
    Adverse Events
    time Frame
    60 days
  2. description
    Number of days needed to achieve hematologic engraftment after high-dose chemotherapy induced myelosuppression is defined as the first day of neutrophils rising again above 0.5 G/l, and of platelets rising again above 20 G/L in the absence of platelet transfusions in the previous 3 days.
    measure
    Hematologic Engraftment After High-dose Chemotherapy
    time Frame
    30 days
  3. description
    Overall survival - Percentage of Participants Alive at 12 Months
    measure
    Overall Survival
    time Frame
    12 months
  4. description
    Assessment of quality of life prior to ASCT and 60 days thereafter. The EORTC Q30 questionnaire will be given to patients at screening and at the day 60 assessment.
    measure
    Quality of Life: EORTC Q30 Questionnaire
    time Frame
    60 days
Full study description
brief Summary
Two high-dose chemotherapy regimens (melphalan alone versus the combination of melphalan and bendamustine) used for conditioning treatment before autologous stem cell transplantation will be compared in a 1:1 randomization in myeloma patients. The experimental arm is the bendamustine and melphalan (BenMel) combined regimen. The melphalan alone (Mel) regimen is the control (standard) treatment. Despite remarkable progress using novel agents both for induction before ASCT as well for maintenance after ASCT, definite cure in myeloma patients remains exceptional due to residual disease escaping intensive treatment. The aim of the study is to show an improvement of the rate of complete Remission 60 days after ASCT in myeloma patients from 50% with melphalan alone to 65% with the combination of bendamustine and melphalan.
detailed Description
Background and Rationale: High-dose chemotherapy with melphalan and autologous stem cell transplantation (ASCT) remains an integral component of the myeloma treatment algorithm for patients considered eligible for the procedure, nowadays performed in myeloma patients up to the age of 75 years. Despite remarkable progress using novel agents both for induction before ASCT as well for maintenance after ASCT, definite cure in myeloma patients remains exceptional due to residual disease escaping intensive treatment. Martino et al. recently reported data on the feasibility and efficacy of the combination of bendamustine and melphalan (BenMel) as a conditioning regimen to second ASCT in patients with myeloma. In addition, extensive experience is available on the use of bendamustine (200mg/m2/day given on days -7 and -6) together with melphalan (140mg/m2/day day -1) and two additional drugs, cytarabine and etoposide (each on days -5 to -2) in the BeEAM conditioning regimen which is increasingly used as the standard conditioning regimen in lymphoma patients, also in the investigators' clinic, with an acceptable tolerability and safety profile. In summary, these data suggest that combinations of melphalan and bendamustine are usually well tolerated and that the maximum tolerated dose of bendamustine is not reached with the doses of 200mg/m2/day given on two days added to melphalan,etoposide and cytarabine (BeEAM regimen). The investigators therefore suggest in this study to directly compare bendamustine 200 mg/m2/day (on days -4 and -3) plus melphalan 100mg/m2/day (on days -2 and -1) with melphalan 100mg/m2/day (days -2 and -1) in a randomized trial. Objectives: Primary objective To show a clinically meaningful improvement by 15% of the rate of complete remission (CR1) 60 days after ASCT in myeloma patients from 50% with melphalan alone to 65% with the combination of bendamustine and melphalan. Secondary objectives To assess acute and late toxicities/adverse events (CTCAE 4.0) during the study period in patients treated with the combination of bendamustine and melphalan as compared to melphalan alone. To assess the hematologic engraftment in patients treated with the combination of bendamustine and melphalan as compared to melphalan alone. To particularly assess early renal toxicity in patients treated with the combination of bendamustine and melphalan as compared to melphalan alone. To assess differences in overall survival and progression free survival in patients treated with the combination of bendamustine and melphalan as compared to melphalan alone after one year. To assess the quality of life prior to ASCT and at day 60 assessment thereafter Outcome: To assess the rate of complete remission (CR1) 60 days after ASCT in myeloma patients treated with the combination of bendamustine and melphalan as compared to melphalan alone by routine laboratory myeloma parameters (serum M-gradient and light chain ratio) and bone marrow assessments in patients with CR1. Number of Participants with Rationale: Applying a statistical power of 80% and a one-sided significance level of 20%, 60 evaluable patients will be needed in each group to show a clinically meaningful improvement by 15% of the rate of complete remission (CR1) 60 days after ASCT in myeloma patients, from 50% with melphalan alone to 65% with the combination of bendamustine and melphalan. Study Duration: The total study duration is 36 months. Study design: Randomized two-arm open-label prospective phase II trial. Monitoring will be performed by the Clinical Trial Unit (CTU) of the University of Berne, Switzerland. This study will be conducted in compliance with the protocol, the current version of the Declaration of Helsinki, the ICH-GCP as well as all national legal and regulatory requirements.
Source references
Source notices and limitations
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    Preserved source evidence · Not medical advice