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EMA/CO regimen for chemotherapy 24 patients with ultra high-risk gestational trophoblastic neoplasia

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Author:
No author available
Journal Title:
Chinese Journal of Obstetrics and Gynecology
Issue:
6
DOI:
10.3760/cma.j.issn.0529-567x.2018.06.003
Key Word:
妊娠滋养细胞疾病;依托泊苷;甲氨蝶呤;放线菌素D;长春新碱;抗肿瘤联合化疗方案;Gestational trophoblastic disease;Etoposide;Methotrexate;Dactinomycin;Vincristine;Antineoplastic combined chemotherapy protocols

Abstract: Objective To evaluate etoposide,methotrexate and dactinomycin (EMA)/ cyclophosphamide and vincristine (CO) regimen for treatment of ultra high-risk gestational trophoblastic neoplasia (GTN).Methods A total of twenty-four ultra high-risk patients who had International Federation of Gynecology and Obstetrics (FIGO) prognostic scores greater or equal to 12 with liver,brain,or extensive metastases did poorly when treated with primary chemotherapy admitted in Women's Hospital,School of Medicine,Zhejiang University from January 2001 to December 2015.All of the patients were treated by EMA/CO regimen and followed up to death or December 2017.The clinical data of patients were analyzed retrospectively and the efficacy and toxicity of EMA/CO were evaluated.Results All of the cases with ultra high-risk GTN had FIGO prognostic scores ≥12 (ranged 12-18,median 13.0).Twenty patients (83%,20/24) received EMA/CO regimen as primary treatment and 4 patients (17%,4/24) had a history of failed chemotherapy.Seven patients (29%,7/24) had metastasis of liver or brain and 17 patients (71%,20/24)had no metastasis of liver and brain.Twenty-four patients received totally 167 courses of EMA/CO regimen (average 7.0 courses).Sixteen patients achieved complete remission and 8 patients showed drug-resistant.The complete remission rate was 67% (16/24) and the resistance rate was 33% (8/24).Of the 16 patients who got complete remission,6 cases were treated with EMA/CO regimen alone,and 10 cases were treated by chemotherapy combined with surgery.For the 8 patients who showed drug-resistant to EMA/CO,5 cases of them received EMA/etoposide and cisplatin (EP) regimen and 3 cases got remission,1 case received methotrexate,dactinomycin and cyclophosphamide (MAC) regimen and got remission,2 cases gave up treatment because of economic factors.The side effects of EMA/CO mainly included Ⅲ-Ⅳ degree neutropenia,anemia and alopecia.The incidence of Ⅲ-Ⅳ degree neutropenia during the treatment of EMA/CO was 21.6% (36/167),the incidence of anemia was 96.4% (161/167),and the incidence of alopecia was 60.5% (101/167).In these 24 ultra high-risk GTN patients,4 patients died during follow-up.In the 20 patients who got complete remission,no recurrence or secondary tumor by chemotherapy were occurred.Conclusion EMA/CO is an effective regimen with manageable toxicity for patients with ultra high-risk GTN.

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