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Japanese Journal of Clinical Oncology

Year: 2010  |  Volume: 40  |  Issue: 11  |  Page No.: 1031 - 1036

The Efficacy of the Frontline Platinum-based Combination Chemotherapy in Malignant Peritoneal Mesothelioma

S. T Kim, J. Y Park, J Lee, J. O Park, Y. S Park, H. Y Lim, W. K Kang and S. H. Park



Malignant peritoneal mesothelioma is a rare neoplasm that accounts for ~1 per 1 million has limited data regarding its frontline therapy. We investigated the treatment outcomes in patients with malignant peritoneal mesothelioma receiving frontline cisplatin-based combination chemotherapy.


We analyzed 14 patients with malignant peritoneal mesothelioma who had been treated by frontline cisplatin-based combination chemotherapy between January 2005 and March 2009. The chemotherapeutic agent added to platinum was gemcitabine in one patient, cyclophosphamide–doxorubicin in three patients and pemetrexed in 10 patients.


The confirmed overall response rate was 35.7% and the disease control rate was 71.4%. In all patients, two complete responses and three partial responses were observed (overall response rate, 35.7%). Stable disease was observed in five patients (35.7%). The median progression free survival was 4.4 months (95% CI, 0.6–9.0) and the median overall survival was 20.1 months (95% CI, 12.7–28.5). There was significant differences for progression free survival (P = 0.031) according to the different chemotherapeutic agents (pemetrexed versus non-pemetrexed agents) added to platinum. Grade 3 or 4 hematologic toxicities included leukopenia in one patient and anemia in three patients. There were no Grade 3 or 4 non-hematologic toxicities or treatment-related deaths.


The platinum-based combination chemotherapy showed moderate activity and a favorable toxicity profile as a frontline treatment for patients with malignant peritoneal mesothelioma. Pemetrexed in combination with platinum showed improved survival outcomes as compared with other combination regimens combined with platinum.

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