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It is not uncommon for patients with lung cancer to receive supportive care alone. However, the clinical characteristics of these patients have not been fully studied. We conducted a retrospective study to identify the clinical characteristics of definitive lung cancer patients treated with supportive care alone. We retrospectively analyzed the percentage of and reasons for definitive lung cancer patients treated with supportive care alone at a regional cancer center. We also investigated the histological diagnostic approaches, palliative therapy types, primary treatment locations after hospital consultation, and places of death. A total of 1,223 patients were histologically diagnosed as having lung cancer between 2011 and 2014. Of these, 160 (13%) patients were treated with supportive care alone. The primary reason for treatment with supportive care alone was a poor performance status (PS) in almost half of the patients. Overall, 40% of the patients received supportive care at home, and 17% were admitted to a palliative care unit (PCU). Death occurred at home for 17% of the patients and in the PCU for 42% of the patients. This study revealed that 13% of histologically proven lung cancer patients were treated with supportive care alone, mostly because of a poor PS. Only 40% of these patients received home care, suggesting the need for a more accessible home care system for patients and their families.

Purpose: To examine the effect of a cyclooxygenase (COX)-2 inhibitor on the maintenance of mechanical allodynia induced by skin incision (an animal model of postoperative incident pain) in the rat. Also, to compare the effect of a COX-2 inhibitor with that of a nonselective COX-1 and COX-2 inhibitor and B2 receptor antagonist. Methods: A 1 cm longitudinal skin incision was made in the plantar aspect of the foot. JTE522 (1 – 100 mg·kg−1), a COX-2 inhibitor, indomethacin (1 – 30 mg·kg−1), a nonselective COX-1 and COX-2 inhibitor, or FR173657 (10 and 100 mg·kg−1), a bradykinin B2 receptor antagonist, was administered orally five minutes after the end of the surgery. The level of mechanical allodynia was assessed by measuring the frequency of foot withdrawal in response to the application of a 12.5 g on Frey filament at 2, 4, 6, 8 and 24 hr after the drug administration. Results: Oral administration of JTE522 or indomethacin attenuated the maximum response frequency in a dose-dependent manner at a dose between 1 and 30 mg·kg−1 (P