Hexamethylmelamine as a single second-line agent in ovarian cancer

Alberto Manetta, Colin Macneill, Judith A. Lyter, Barbara Scheffler, Edward S. Podczaski, James E. Larson, Philip Schein

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70 Scopus citations


Fifty-two patients with advanced ovarian cancer were treated with single-agent hexamethylmelamine (HMM), 260 mg/m2 po per day for 14 days followed by 14 days off drug. All patients had been previously treated with chemotherapy. Of these patients, 92% ( 48 52) received cisplatin and cyclophosphamide ± doxorubicin prior to hexamethylmelamine. Two additional patients received other cisplatin-based regimens. Fifteen percent ( 8 52) were found to have no evidence of disease (NED) at the completion of treatment with HMM. Five of these patients are alive at 12 to 65 months (median follow-up of 32 months); one patient died at 41 months of an intercurrent illness with no clinical evidence of recurrence; two patients died of recurrent tumor at 21 and 31 months. The median survival of the series of 52 patients is 11 months: 9 months for patients who did not respond versus 41 months for patients with NED post-HMM (P < 0.05). The regimen was well tolerated: moderate gastrointestinal toxicity was reported by 8 patients; only one patient reported severe gastrointestinal toxicity. Moderate neurologic toxicity (primarily sensory) was reported by 5 patients, 3 patients experienced white counts less than 2000 or platelet counts less than 100,000, and no patient sustained severe hematologic toxicity. This moderate-dose intermittent regimen was associated with moderate toxicity and was well accepted by patients. The overall response is comparable to or higher than that reported for more toxic chemotherapy regimes. Based on these data and those recently reported by other authors, hexamethylmelamine should be considered in the treatment of recurrent ovarian cancer.

Original languageEnglish (US)
Pages (from-to)93-96
Number of pages4
JournalGynecologic Oncology
Issue number1
StatePublished - Jan 1990

All Science Journal Classification (ASJC) codes

  • Oncology
  • Obstetrics and Gynecology


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