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Leuk Res. 2014 Sep;38(9):1048-54. doi: 10.1016/j.leukres.2014.06.009. Epub 2014 Jun 30.

Bortezomib-thalidomide-based regimens improved clinical outcomes without increasing toxicity as induction treatment for untreated multiple myeloma: a meta-analysis of phase III randomized controlled trials.

Author information

1
The Myeloma and Lymphoma Center, Department of Hematology, Changzheng Hospital, Shanghai, China.
2
The Myeloma and Lymphoma Center, Department of Hematology, Changzheng Hospital, Shanghai, China. Electronic address: houjian@medmail.com.cn.

Abstract

Novel agents thalidomide and bortezomib have significantly improved myeloma treatment. However, it remains unclear whether patients will benefit more from the combination therapy of these two agents. Our meta-analysis aims to compare the efficiency, and more importantly, the safety of bortezomib-thalidomide-based (VT-based) versus bortezomib-based or thalidomide-based (V-based/T-based) regimens as induction therapy in patients with previously untreated myeloma. Overall, five phase III RCTs including 1765 patients were identified. Compared with V-based or T-based regimens, VT-based regimens significantly improved CR (OR=2.22, 95% CI [1.44, 3.43]), ORR (OR=2.19, 95% CI [1.51, 3.19]) as well as PFS (HR=0.69, 95% CI [0.54, 0.88]), but not OS (HR=1.04, 95% CI [0.91, 1.19]). Notably, most expected side effects of bortezomib or thalidomide were comparable in both groups, including hematologic (anemia, neutropenia, thrombocytopenia), nonhematologic (peripheral neuropathy, deep venous thrombosis, infections, gastrointestinal events) side effects and discontinuation during or after induction therapy. These results suggest that combination of thalidomide and bortezomib might be a better first-line choice for patients with untreated myeloma.

KEYWORDS:

Bortezomib; Meta-analysis; Multiple myeloma; Randomized controlled trials; Thalidomide

PMID:
25052306
DOI:
10.1016/j.leukres.2014.06.009
[Indexed for MEDLINE]

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