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Sequential Chemotherapy With Cisplatin/gemcitabine (cg) Followed By Mitoxantrone/methotrexate/mitomy
Clinical Question:
Is sequential chemotherapy with cisplatin/gemcitabine (CG) followed by mitoxantrone/methotrexate/mitomycin (MMM) effective in patients with malignant pleural mesothelioma?
Bottom Line:
This phase II study with the sequential approach of two active regimens showed a good disease control in MPM, with symptom improvement and only mild toxicity.
Reference:
Sequential chemotherapy with cisplatin/gemcitabine (CG) followed by mitoxantrone/methotrexate/mitomycin (MMM) in patients with malignant pleural mesothelioma. A multicenter Italian Phase II Study (SITMP1).Pinto C, Marino A, De Pangher Manzini V, Benedetti G, Galetta D, Mazzanti P, Del Conte G, dell'Amore D, Piana E, Giaquinta S, Lopez M, Martoni A. Lung Cancer. 2006 May;52(2):199-206
Study Design:
Randomized Controlled Trial (Multicenter Study)
Synopsis:
The author performed a multicenter phase II trial to evaluate the impact on the activity, efficacy, symptom control and safety of using two active regimens in a sequential schedule (cisplatin/gemcitabine followed by mitoxantrone/methotrexate/mitomycin) as first-line chemotherapy for unresectable malignant pleural
(MPM). A total of 54 patients received cisplatin 75 mg/m(2) on day 1 and gemcitabine 1,200 mg/m(2) on days 1 and 8, every 3 weeks for four courses (CG regimen) followed by mitoxantrone 10 mg/m(2) on day 1, methotrexate 35 mg/m(2) on day 1 and mitomycin 7 mg/m(2) on day 1, every 3 weeks with mitomycin in alternate cycles for four courses (MMM regimen). They observed 3 complete responses (CRs) (5.6%) and 13 partial responses (PRs) (24.0%), with an overall response rate (ORR) of 29.6% (95% confidence interval, 17-42%), 33 stable disease (SD) (61.1%) and 5 progressive disease (PD) (9.2%). Median time to progression (TTP) was 9.5 months (range, 2-23). Median overall survival (OS) was 13 months (range, 3-33); 1-year survival rate was 63%. The treatment produced a good symptom control, with an improvement during chemotherapy in dyspnea and pain in 52.9 and 48.3% of patients, respectively. The major toxicity observed was hematological. Grades 3-4 NCI-CTC v 2.0 toxicity with the CG regimen included: neutropenia (11.1%), anemia (1.9%), thrombocytopenia (7.4%), vomiting (11.1%) and with the MMM regimen: neutropenia (35.2%), anemia (5.5%), thrombocytopenia (7.4%) and stomatitis (1.9%).
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