Population-based survival for malignant mesothelioma after introduction of novel chemotherapy

Quoted from http://erj.ersjournals.com/content/early/2011/12/01/09031936.00153611.abstract?maxtoshow=&HITS=10&hits=5&RESULTFORMAT=&andorexacttitleabs=and&fulltext=mesothelioma&andorexactfulltext=and&searchid=1&usestrictdates=yes&resourcetype=HWCIT&ct

Population-based survival for malignant mesothelioma after introduction of novel chemotherapy


Malignant mesothelioma is known for its dismal prognosis and poor response to conventional treatment. Chemotherapy with cisplatin-antifolate combinations recently showed promising response rates and prolonged survival in randomised trials.

To assess the impact of this development on clinical practice and survival at a population-based level, treatment patterns and survival trends were studied for patients diagnosed with mesothelioma in the period 1995–2006. 4731 records were retrieved from the Netherlands Cancer Registry and chemotherapy use and median survival were analysed.

For the periods 1995–1998 to 2005–2006, chemotherapy use increased from 8% to 36%. Median survival increased over time from 7.1 months to 9.2 months. For pleural mesothelioma, multivariable analysis demonstrated that survival was poorer for elderly patients and sarcomatoid tumours. The prognostic impact of chemotherapy increased with time. Median survival for chemotherapy treated patients improved from 10.1 months (1995–1998) to 13.1 months (2005–2006). For peritoneal mesothelioma, median survival was poor (3.9 months) but better for females and younger patients.

This study demonstrates that chemotherapy use increased at a national level and coincided with an improvement in survival. The novel chemotherapy regimen appears to be more effective but, due to the observational nature of this study, alternative explanations cannot be excluded.

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