Abstract:
PURPOSE:To determine if the preoperative administration of tegafur and uracil (UFT) to patients with lung adenocarcinoma could induce apoptosis. METHODS:We conducted a randomized prospective study on 30 patients with lung adenocarcinoma, divided into two groups of 15 patients each. One group received UFT 600 mg/day preoperatively for 7 consecutive days and a control group received no chemotherapy or radiotherapy. The apoptotic index (AI) was determined by the terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate biotin nick end-labeling (TUNEL) method. Expression of Ki-67 was examined by immunohistochemical staining. The concentration of 5-fluorouracil (5-FU) in tumor tissue was measured by chemical assay. RESULTS:The AI of lung adenocarcinoma cells increased significantly in the UFT-treated group but not in the control group. A significant positive correlation was seen between the AI and the 5-FU concentrations in the tumor tissue. CONCLUSIONS:The continuous oral administration of UFT for 7 days preoperatively resulted in enhanced apoptosis and a significant positive correlation between the AI and 5-FU concentrations in lung adenocarcinoma. Therefore, it may be possible to evaluate the effects of adjuvant chemotherapy based on the AI.
journal_name
Surg Todayjournal_title
Surgery todayauthors
Morio A,Miyamoto H,Izumi H,Futagawa T,Oh T,Yamazaki A,Konno Hdoi
10.1007/s00595-004-2814-5subject
Has Abstractpub_date
2004-01-01 00:00:00pages
822-7issue
10eissn
0941-1291issn
1436-2813journal_volume
34pub_type
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