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Clinical Trial Summary

Multiple myeloma is a malignant incurable hematological disease where survival has been significantly improved by high-dose melphalan with autologous stem cell support (ASCT) in younger patients. However, the disease will eventually relapse and new treatment is demanded. Bortezomib is a newly approved drug for treating relapsing multiple myeloma. It has a different biological effect and response even in patients refractory to conventional chemotherapy. The purpose of the study is in a randomized design to investigate if addition of bortezomib by 20 injections during a 4 months period starting 3 month after ASCT can prolong the time to progression compared to patients receiving no consolidation or maintenance therapy.


Clinical Trial Description

Rationale:

ASCT prolongs EFS and OS for myeloma patients < 65 years of age. During the period from ASCT to progression most myeloma patients experience few symptoms and have a good quality of life11. A further prolongation of EFS would be a big step forward in myeloma treatment. Bortezomib is a new promising agent, which has shown clear anti-myeloma effect in heavily pre-treated patients. After ASCT the tumour cell burden is low and it is the hypothesis of this clinical trial that the unique mechanism of action of bortezomib may reduce the number of tumour cells even further and by doing so prolong EFS.

Primary objective:

* Evaluate the effect on EFS (an event is defined as either progression or death of any cause without preceding progression) of consolidation treatment with bortezomib after ASCT compared to no consolidation

Secondary objectives:

- Overall survival from ASCT

- Overall survival from start of relapse treatment

- Time to need for relapse treatment

- Response rate in patients not in CR following ASCT

- Toxicity from consolidation treatment

- Quality of life

- Cost utility

- Planned subgroup analysis: comparison of primary and secondary endpoint in patients receiving one vs. two high dose treatments ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00417911
Study type Interventional
Source Nordic Myeloma Study Group
Contact
Status Completed
Phase Phase 3
Start date December 2005
Completion date May 2010

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