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Management of “Ultra-High Risk” gestational trophoblastic neoplasia at a tertiary center in India

Aims: The aim of this study is to identify clinicopathological features associated with increased morbidity and mortality in cases of “ultra-high risk” gestational trophoblastic neoplasia (GTN) and to compare initial low-dose etoposide-cisplatin (EP) induction chemotherapy with respect to etoposide methotrexate adriamycin cyclophosphamide vincristine (EMACO) regimen. Settings and Design: This was a retrospective study of patients of high-risk GTN from January 2012 to December 2016 with criteria mentioned as “ultra-high-risk group;” pathological or suspected diagnosis of choriocarcinoma, multiple (>20) pulmonary metastases or associated with hemoptysis, brain metastases, large-volume liver metastases, profuse vaginal bleeding, human chorionic gonadotropin >1000,000 IU/L, interval since the last antecedent pregnancy of >2.8 years. Subjects and Methods: Comparison between the two groups of chemotherapy regimens and the median number of chemotherapy courses required to achieve complete remission was done Statistical Analysis Used: Data were analyzed using the SPSS software version 18 and Fisher's exact test with P value statistically significant at the level of 0.05. Results: Thirty-seven cases were high-risk GTN and 24 were “ultra-high risk.” The higher percentage of patients underwent remission of disease following low-dose induction chemotherapy as compared to primary EMACO therapy, 71.4% versus 58.8%. No resistance to second-line chemotherapy was noted, and no surgical intervention was required in the patients receiving low-dose induction chemotherapy before EMACO. Conclusions: We noted a decrease in the proportion of patients developing resistance to primary chemotherapy and lesser adverse effects in those receiving initial low-dose induction EP chemotherapy.