Literatür Detay Bilgisi
Light chain multiple myeloma, clinic features, responses to therapy and survival in a long-term study

Yazarlar : Zhang J, Sun W, Huang Z et al

Yayın : World J Surg Oncol

Yayın Yılı : 2014

Pubmed Linki : http://www.docguide.com/light-chain-multiple-myeloma-clinic-features-responses-therapy-and-survival-long-term-study?tsid=5

Konu : Myelom

Literatür İçeriği :  BACKGROUND We intended to investigate the long-term clinical characteristics, responses to therapy and survival in patients with lightchain multiple myeloma (MM).

METHODS Ninety-six patients were enrolled into the study. There were 42 kappa-chain MM patients and 54 lamda-chain MM patients. All the patients werestage III in the Durie-Salmonstaging system. Among them, 66 patients received Velcade (bortezomib) treatment and the other 30 did not.

RESULTS The main symptoms of these patients included bone pain (77.1%), weakness and fatigue (12.5%), foamy urine (8.3%) and extramedullaryplasmocytomas (33.3%). The overall response rate (ORR) was 95.5% in patients treated with Velcade and 60%in the patients without. The median survival times were 23 months in patients treated with Velcade and 12 months in patients without. The median time of progression-free survival (PFS) was nine months in patients treated with Velcade and five months in patients without. The one-year PFS and two-year PFS were 37% and 25%, 27% and 9% for patients treated with Velcade, or without, respectively. The three-year overall survival (OS) and five-year OS were 33% and 24%, 28% and 9% for patients treated with Velcade, or without, respectively. There was no significance in OS between the two groups (P = 0.335). But there was significant difference in PFS between the two groups (P = 0.036).

CONCLUSIONS Our long-term study demonstrated that patients with lightchain myeloma appeared to have more aggressive disease courses and poor outcomes, which could be improved by treatment with Velcade.


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