4 results on '"Segawa N"'
Search Results
2. Total cystectomy versus bladder preservation therapy for locally invasive bladder cancer: effect of combined therapy using balloon-occluded arterial infusion of anticancer agent and hemodialysis with concurrent radiation.
- Author
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Azuma H, Yamamoto K, Inamoto T, Ibuki N, Kotake Y, Sakamoto T, Kiyama S, Ubai T, Takahara K, Segawa N, Narumi Y, and Katsuoka Y
- Subjects
- Adenocarcinoma pathology, Adenocarcinoma therapy, Adult, Aged, Aged, 80 and over, Carcinoma, Squamous Cell secondary, Carcinoma, Squamous Cell therapy, Choriocarcinoma secondary, Choriocarcinoma therapy, Combined Modality Therapy, Female, Follow-Up Studies, Humans, Infusions, Intra-Arterial, Middle Aged, Muscle Neoplasms secondary, Muscle Neoplasms therapy, Neoplasm Invasiveness, Neoplasm Staging, Prognosis, Radiotherapy Dosage, Retrospective Studies, Survival Rate, Treatment Outcome, Urinary Bladder Neoplasms pathology, Antineoplastic Agents administration & dosage, Balloon Occlusion, Cisplatin administration & dosage, Cystectomy, Renal Dialysis, Urinary Bladder Neoplasms therapy
- Abstract
Objectives: We tested the usefulness of balloon-occluded arterial infusion (BOAI) of anticancer agent (cisplatin/gemcitabine), concomitant with hemodialysis, which delivers an extremely high concentration of anticancer agent to the site of a tumor without systemic adverse effects, along with concurrent radiation [Osaka-Medical College (OMC)-regimen] in patients with locally advanced bladder cancer. The results were compared with those of cystectomy., Methods: One hundred twenty-four patients were assigned to receive cystectomy (Gp1, n = 62) or OMC-regimen (Gp2, n = 62). In Gp2, patients besides undergoing complete response subsequently received secondary-BOAI with gemcitabine (1600 mg)., Results: In Gp1, 27 of 62 patients (43.5%) suffered disease recurrence, and more than half died within 1 year; the remainder died thereafter. The overall 5-, 10-, and 15-year survival rates were 53.8%, 46.0%, and 40.0%, respectively. In contrast, in Gp2, >70% of patients (44 of 62), especially >95% of patients with locally invasive tumors achieved complete response with no evidence of recurrent disease or metastasis after a mean follow-up of 163 (range, 32-736) weeks. At 14 years, overall survival was significantly improved at 79.7% (P = 0.015 vs. Gp1). Moreover, salvage therapy for secondary-BOAI with gemcitabine was effective in all 3 patients with T4 tumors or lymph node involvement, who showed stable disease (SD) after primary therapy with CDDP. No patients suffered Grade III or more severe toxicities., Conclusion: OMC-regimen, a new strategy for patients with locally-invasive bladder cancer, can be curative not only in patients for whom cystectomy is indicated, but also in patients whose condition is not amenable to curative treatment and for whom merely palliative treatment would otherwise seem the only option.
- Published
- 2009
- Full Text
- View/download PDF
3. Anticancer effect of combination therapy of VP16 and fosfesterol in hormone-refractory prostate cancer.
- Author
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Azuma H, Sakamoto T, Kiyama S, Ubai T, Kotake Y, Inamoto T, Takahara K, Nishimura Y, Segawa N, and Katsuoka Y
- Subjects
- Adenocarcinoma pathology, Aged, Aged, 80 and over, Antineoplastic Combined Chemotherapy Protocols adverse effects, Diethylstilbestrol administration & dosage, Diethylstilbestrol adverse effects, Diethylstilbestrol analogs & derivatives, Drug Resistance, Neoplasm, Drug-Related Side Effects and Adverse Reactions, Etoposide administration & dosage, Etoposide adverse effects, Humans, Male, Middle Aged, Prostate-Specific Antigen blood, Prostate-Specific Antigen drug effects, Prostatic Neoplasms pathology, Quality of Life, Salvage Therapy, Survival Analysis, Adenocarcinoma drug therapy, Antineoplastic Combined Chemotherapy Protocols therapeutic use, Prostatic Neoplasms drug therapy
- Abstract
Objectives: We conducted the present study to evaluate the safety profile and therapeutic value of a combination of etoposide and fosfestrol for treatment of hormone-refractory prostate cancer (HRPC)., Methods: Forty patients with HRPC were included in the study. The median age was 71 years (range, 50-86 years), the Gleason's score ranged from 5 to 10, and the median prostate-specific antigen level was 62.6 ng/mL (range, 4.738-30789 ng/mL). The patients received oral etoposide 25 mg/d and fosfestrol 300 mg/d., Results: The response rate in terms of measurable disease, serum prostate-specific antigen level, and overall evaluation was 36.8% (CR: 18.4%; PR: 18.4%), 80% (CR: 55%; PR: 25%), and 40% (CR: 20%; PR: 20%) with a median duration of response of 13.6, 13.5, and 13.5 months, respectively. An objective clinical response for overall evaluation was shown by 90% (CR: 20%; PR: 20%; SD: 50%) of the patients, with a median response duration of 15.7 months; 16 patients (40%) are currently alive without recurrence after a median follow-up period of 21.2 months. The overall survival and progression-free survival was 30.5% and 28.8% at 40 months, respectively. No grade III toxicities occurred in any of the patients. Serial measurements in 34 patients using the Functional Assessment of Cancer Therapy-Prostate showed a significant improvement in quality of life as a result of the therapy., Conclusions: The combination of oral etoposide and fosfestrol is active in patients with HRPC. The regimen is tolerable and has a significant impact on quality of life as measured by the Functional Assessment of Cancer Therapy-Prostate in a limited sample of patients.
- Published
- 2008
- Full Text
- View/download PDF
4. Effect of combined therapy using balloon-occluded arterial infusion of cisplatin and hemodialysis with concurrent radiation for locally invasive bladder cancer.
- Author
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Azuma H, Kotake Y, Yamamoto K, Sakamoto T, Kiyama S, Ubai T, Inamoto T, Takahara K, Matsuki M, Segawa N, Shibahara N, and Katsuoka Y
- Subjects
- Adenocarcinoma pathology, Adenocarcinoma therapy, Aged, Aged, 80 and over, Carcinoma, Squamous Cell pathology, Carcinoma, Squamous Cell therapy, Carcinoma, Transitional Cell pathology, Carcinoma, Transitional Cell therapy, Choriocarcinoma pathology, Choriocarcinoma therapy, Combined Modality Therapy, Disease-Free Survival, Female, Follow-Up Studies, Humans, Male, Middle Aged, Remission Induction, Treatment Outcome, Urinary Bladder Neoplasms drug therapy, Urinary Bladder Neoplasms radiotherapy, Antineoplastic Agents administration & dosage, Balloon Occlusion, Cisplatin administration & dosage, Infusions, Intra-Arterial, Renal Dialysis methods, Urinary Bladder Neoplasms therapy
- Abstract
Objective: We tested the usefulness of combined therapy using balloon-occluded arterial infusion (BOAI) of cisplatin and hemodialysis, which delivers an extremely high concentration of cisplatin to the site of a tumor without systemic adverse effects, with concurrent radiation in patients with locally advanced bladder cancer., Methods: Patients underwent transurethral resection of the bladder tumor followed by BOAI of cisplatin (100, 200, or 300 mg) concurrent with hemodialysis, via both common iliac veins, for 2 hours after initiation of BOAI. A total of 60.4 Gy of radiation was delivered, starting from the day of BOAI., Results: Forty-one patients (30 males and 11 females, aged 55-98 years) were enrolled and assessable for toxicity and response. None of the patients suffered grade II or more severe toxicities; some experienced grade I blood/bone marrow toxicity, gastrointestinal toxicity, or neuropathy. All patients with histologically confirmed transitional cell carcinoma stage T2 or T3 (29 patients) achieved a complete response and were able to retain their bladder with no evidence of recurrent disease or distant metastasis at a mean follow-up of 132 weeks (range 8-648 weeks) after therapy. Patients with stage T4 tumors, besides transitional cell carcinoma, or lymph node involvement had stable or progressive disease., Conclusion: This therapy is a new strategy for patients with locally advanced bladder cancer. It can be a curative treatment not only in patients for whom total cystectomy is indicated, but also in patients whose condition is not amenable to curative treatment and for whom merely palliative treatment would otherwise seem the only option.
- Published
- 2008
- Full Text
- View/download PDF
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