A phase II clinical trial of diaziquone (AZQ) in the treatment of patients with recurrent adenocarcinoma and adenosquamous carcinoma of the cervix. A Gynecologic Oncology Group study.

Twenty-six patients with recurrent adenocarcinoma and adenosquamous carcinoma of the uterine cervix were treated with diaziquone (AZQ) 22.5 mg/m2 diluted in 150 ml normal saline every three weeks. In the absence of adverse effects the second dose and all subsequent doses were escalated to 30 mg/m2. All patients had measurable disease and only 11 had received prior chemotherapy. Two partial responses were noted among 15 patients with no prior chemotherapy, while no responses were observed among 11 previously treated patients. The major toxicity was leukopenia and thrombocytopenia. Median progression-free interval was 1.5 months and median survival was 4 months. AZQ displays minimal activity against recurrent nonsquamous carcinoma of the cervix at the dose and schedule used.