Methotrexate with citrovorum factor rescue for nonmetastatic gestational trophoblastic neoplasms.
Fifty-one patients with nonmetastatic gestational trophoblastic neoplasms (NMGTN) were treated with either 4 or 6 mg/kg methotrexate (MTX) and citrovorum factor (CF) rescue to determine if the higher dosage could reduce the number of courses of chemotherapy required to achieve remission. Thirty-six of 41 patients treated with 4 mg/kg MTX achieved complete remission with 1 course of chemotherapy. Increasing the initial dose of MTX to 6 mg/kg in 10 patients did not reduce the need for subsequent courses of chemotherapy but did increase associated toxicity. The rate of fall in the human chorionic gonadotropin (hCG) titer following the initial course of MTX-CF was found to be an accurate predictor of therapeutic response. The need for further chemotherapy may be anticipated if the hCG titer has not fallen by 1 log within 18 days.[1]References
- Methotrexate with citrovorum factor rescue for nonmetastatic gestational trophoblastic neoplasms. Berkowitz, R.S., Goldstein, D.P. Obstetrics and gynecology. (1979) [Pubmed]
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