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[Clinical Efficacy of Low-Dose Decitabine alone for Treatment of Myelodysplastic Syndrome].
Zhongguo Shi Yan Xue Ye Xue Za Zhi ; 27(5): 1568-1573, 2019 Oct.
Artigo em Chinês | MEDLINE | ID: mdl-31607313

OBJECTIVE:

To investigate the clinical efficacy and safety of low-dose decitabine (DAC) alone for treatment of myelodysplastic syndrome (MDS) Methods: Fifty-one patients with meddle- and high-risk MDS were selected, and were randomly divided into A, B and C groups according to the drug regimens: the therapeutic regimen in A group consisted of low dose DAC 10 mg/(m2·d)×7 d; the therapeutic regimen in B group: normal dose DAC 20 mg/(m2·d) ×5 d; the therapeutic regimen in C group: low dose DAC+CAG DAC 10 mg/(m2·d) d 1-5,cytarabine 10 mg/(m2·d) q12h d 1-7, aclaromycin 10 mg/d d 1-4,G-CSF 200 µg/(m2·d), d 1-7. All patients in 3 groups were treated for 4 circles. The efficacy and response were compared among 3 groups.

RESULTS:

The complete remission rates (CR%) in A, B and C groups were 18.75%, 22.22% and 23.53% respectively, and the overall response rate (ORR%) in A, B and C groups were 56.25%, 61.11% and 58.82% respectively, without statistical difference among 3 groups (P>0.05).After 1 year of follow-up, the survival rate was not significantly different among 3 groups, the blood cell accounts were higher than the basic value. After 1 course of treatment, the inhibition rate of III-IV grade myelosuppression was statistically significantly different among the 3 groups (P<0.05), and the infection rate among 3 groups also was statistically different, The incidence of myelosuppression and infection in A group was significantly lower than that in B and C groups. The per capita blood transfusion during the four-month treatment was not statistically different among 3 groups. however, that in the A group was lesser than B and C groups.

CONCLUSION:

The therapeutic efficacy of low dose decitabine alone for treatment of MDS is equal to routine dose decitabine and decitabine plus CAG, but the low dose group shows less myelosuppressive and more safe effects.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Síndromes Mielodisplásicas / Decitabina Tipo de estudo: Guia de prática clínica Aspecto clínico: Etiologia / Prognóstico / Terapia Limite: Humanos Idioma: Chinês Revista: Zhongguo Shi Yan Xue Ye Xue Za Zhi Assunto da revista: Hematologia Ano de publicação: 2019 Tipo de documento: Artigo País de afiliação: China