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Single nedaplatin treatment as salvage chemotherapy for platinum/taxane-resistant/refractory epithelial ovarian, tubal and peritoneal cancers


Dr Tomoko Goto, Department of Obstetrics and Gynecology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. Email:


Aim:  To evaluate toxicity, response and progression-free survival of single nedaplatin chemotherapy in women with platinum/taxane-resistant/refractory epithelial ovarian, tubal and peritoneal cancer.

Methods:  Seventeen patients with platinum/taxane-resistant/refractory epithelial ovarian, fallopian tube or primary peritoneal cancer who were treated with a single nedaplatin regimen at 90 mg/m2 administration on day 1 of a 28-day cycle in our institution between 2005 and 2007 were retrospectively investigated.

Results:  Ten of 17 patients (59%) had measurable disease. Seven patients were evaluated according to cancer antigen (CA) 125 levels. The overall response was 24% (complete response, 2 patients; partial response, 2 patients). Two of these 4 patients had measurable disease. Stable disease and progressive disease was noted in 6 (35%) and 7 (41%) patients. Median progression-free survival was 8 months (range 3–11) in patients who responded to therapy and 4 months (range 2–6) in patients with stable disease. Mean platinum-free interval due to treatment without using platinum analogues after developing platinum-resistant/refractory disease was 11 months (range 8–12) in patients who responded to nedaplatin regimen and 3 months (range 1–11) in patients who did not (P < 0.01), whereas mean treatment-free interval was 3 months (range 1–5) in responders and 1 month (range 1–3) in non-responders, which did not show a significant difference. Grade 4 hematological toxicity was observed in 2 of 17 patients (12%). No grade 3 or 4 non-hematological toxicity occurred. All toxicities were managed on an outpatient basis.

Conclusions:  Single nedaplatin treatment for platinum/taxane-resistant/refractory ovarian, tubal and peritoneal cancer patients is the candidate of salvage chemotherapy with comparable effectiveness and less toxicity to other approved regimens.