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Neoplasma. 2012;59(5):551-8. doi: 10.4149/neo_2012_071.

Tandem autologous stem cell transplantation in multiple myeloma after high-dose chemotherapy with two separate collections: single institution experience.

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  • 1Bone Marrow Transplantation Unit, National Cancer Institute, Bratislava, Slovakia.


Presented is a retrospective analysis of multiple myeloma patients transplanted at our institution between November 1993 and August 2007. The objective of this analysis was to assess the feasibility and toxicity of tandem autologous stem cell transplantation (T-ASCT) when stem cells were harvested before first and before second transplantation separately. A total of 90 patients transplanted in our center were analyzed, of whom 43 patients were in tandem transplantation group.The overall response rate (ORR) was 83.7% and 95.1%, estimated five-year overall survival (OS) was 40.1% and 60.0%, probability of five-year event-free survival (EFS) was 18.2% and 25.6%, transplant related mortality (TRM) was 6.3% and 4.6% in the single and tandem transplant group, respectively. In multivariable analysis of all 90 patients, tandem transplantation and ORR attained after induction therapy were favourable prognostic factors for OS (p=0.024 and p=0.002) and EFS (p=0.036 and p=0.008), respectively. In conclusion, tandem transplantation with two separate stem cell harvests, performed separately before the each transplantation, is feasible in majority of patients with acceptable toxicity.

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