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Spots Global Cancer Trial Database for Bendamustine and Melphalan in Myeloma

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Trial Identification

Brief Title: Bendamustine and Melphalan in Myeloma

Official Title: A Randomized Phase II Trial Comparing Bendamustine and Melphalan With Melphalan Alone as Conditioning Regimen for Autologous Stem Cell Transplantation (ASCT) in Myeloma Patients

Study ID: NCT03187223

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.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Department for Medical Oncology University Hospital/Inselspital, Berne, , Switzerland

Contact Details

Name: Thomas Pabst, MD

Affiliation: Department of Medical Oncology, University Hospital Bern

Role: STUDY_CHAIR

Useful links and downloads for this trial

Clinicaltrials.gov

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