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- Title
Trimodality strategy for treating malignant pleural mesothelioma: results of a feasibility study of induction pemetrexed plus cisplatin followed by extrapleural pneumonectomy and postoperative hemithoracic radiation (Japan Mesothelioma Interest Group 0601 Trial)
- Authors
Hasegawa, Seiki; Okada, Morihito; Tanaka, Fumihiro; Yamanaka, Takeharu; Soejima, Toshinori; Kamikonya, Norihiko; Tsujimura, Tohru; Fukuoka, Kazuya; Yokoi, Kohei; Nakano, Takashi
- Abstract
Purpose: We conducted a prospective multi-institutional study to determine the feasibility of trimodality therapy (TMT) comprising induction chemotherapy followed by extrapleural pneumonectomy (EPP) and radiation therapy in Japanese patients with malignant pleural mesothelioma (MPM). Methods: Major eligibility criteria were histologically confirmed diagnosis of MPM, including clinical subtypes T0-3, N0-2, M0 disease; no prior treatment for the disease; age 20-75 years; Eastern Cooperative Oncology Group performance status 0 or 1; predicted postoperative forced expiratory volume >1000 ml in 1 s; written informed consent. Treatment methods comprised induction chemotherapy using pemetrexed (500 mg/m) plus cisplatin (60 mg/m) for three cycles, followed by EPP and postoperative hemithoracic radiation therapy (54 Gy). Primary endpoints were macroscopic complete resection (MCR) rate for EPP and treatment-related mortality for TMT. Results: Forty-two eligible patients were enrolled: median age 64.5 (range 43-74) years; M:F = 39:3, clinical stage I:II:III = 14:13:15; histological type epithelioid were sarcomatoid; biphasic; others = 28:1:9:4. Of 42 patients, 30 completed EPP with MCR and 17 completed TMT. The trial met the primary endpoints, with an MCR rate of 71 % (30/42) and treatment-related mortality of 9.5 % (4/42). Overall median survival time and 2-year survival rate for 42 registered patients were 19.9 months and 42.9 %, respectively. Two-year relapse-free survival rate of 30 patients who completed EPP with MCR was 37.0 %. Conclusion: This phase II study met the predefined primary endpoints, but its risk/benefit ratio was not satisfactory.
- Subjects
MESOTHELIOMA; PEMETREXED; CISPLATIN; PNEUMONECTOMY; CANCER radiotherapy; CANCER relapse; RANDOMIZED controlled trials; THERAPEUTICS
- Publication
International Journal of Clinical Oncology, 2016, Vol 21, Issue 3, p523
- ISSN
1341-9625
- Publication type
Article
- DOI
10.1007/s10147-015-0925-1