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Dive into the research topics where Masaaki Deguchi is active.

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Featured researches published by Masaaki Deguchi.


Gynecologic and Obstetric Investigation | 1999

Intermittent Cisplatin Therapy for Stage-III Ovarian Cancer Patients following Clinical Remission

Naohiko Umesaki; Tetsuji Tanaka; Hiroshi Muso; Naoki Kawamura; Yasushi Kanaoka; Ken-ichi Honda; Masaaki Deguchi; Osamu Ishiko; Sachio Ogita

Intermittent cisplatin (CDDP) administration as consolidation therapy for stage-III ovarian cancer was studied. No patients with residual disease at surgery or at second-look operation or patients with <8 U/ml of CA125 after remission induction chemotherapy were enrolled in this study. Fifteen subjects received intermittent chemotherapy, and 10 control patients did not. CDDP of 20 mg/m2 for 5 days was administered every 3–4 months for 5 years. A significant increase in 5-year survival rate was found in the intermittent chemotherapy group when compared with the control group. Side effects from the intermittent chemotherapy were controllable. Intermittent CDDP therapy seems to be an effective consolidation therapy for stage-III ovarian cancer patients.


Japanese Journal of Cancer Research | 1998

Increased Proliferation of Myoblasts after Cyclic Plasma Perfusion of Tumor‐bearing Rabbits

Shinichi Nakata; Osamu Ishiko; Ken-ichi Honda; Kouzo Hirai; Masaaki Deguchi; Sachio Ogita

Rabbits implanted with VX2 carcinoma and treated by cyclic plasma perfusion showed lower weight loss and longer survival than untreated rabbits. The urinary 3‐methylhistidine/creatinine ratio was less elevated in the treated rabbits than in the untreated rabbits. Myoblasts from untreated rabbits with VX2 carcinoma showed lower proliferation than those from normal rabbits, while those from rabbits treated by cyclic plasma perfusion showed intermediate proliferation. Furthermore, the DNA synthesis rate of myoblasts from treated rabbits was much better maintained than in the case of untreated rabbits.


Gynecologic and Obstetric Investigation | 2000

Magnetic resonance imaging diagnosis of metastasis of chronic myelocytic leukemia to the uterus.

Masaaki Deguchi; Osamu Ishiko; Masayuki Hino; Yasuko Fukumasu; Sachio Ogita

We report a case of chronic myelocytic leukemia (CML) in which the initial manifestation of blastic crisis was massive genital bleeding. The bleeding was diagnosed as being caused by CML metastasis to the uterus on the basis of the magnetic resonance imaging findings.


Cancer Research | 1995

Anemia-inducing Substance from Plasma of Patients with Advanced Malignant Neoplasms

Ken-ichi Honda; Osamu Ishiko; Ichiro Tatsuta; Masaaki Deguchi; Kouzo Hirai; Shinichi Nakata; Toshiyuki Sumi; Tomoyo Yasui; Sachio Ogita


Japanese Journal of Cancer Research | 1987

Anemia-inducing substance (AIS) in advanced cancer: Inhibitory effect of AIS on the function of erythrocytes and immunocompetent cells.

Osamu Ishiko; Tadashi Sugawa; Ichiro Tatsuta; Kentaro Shimura; Keizo Naka; Masaaki Deguchi; Naohiko Umesaki


Oncology Reports | 2001

Association between overexpression of cyclooxygenase-2 and suppression of apoptosis in advanced cancer of the uterine cervix after cyclic balloon-occluded arterial infusion

Osamu Ishiko; Toshiyuki Sumi; Hiroyuki Yoshida; Yoshinari Matsumoto; Ken-ichi Honda; Masaaki Deguchi; Ryusaku Yamada; Sachio Ogita


Oncology Reports | 2001

Expression of angiogenic factors in extrapelvic endometriosis.

Masaaki Deguchi; Osamu Ishiko; Toshiyuki Sumi; Hiroyuki Yoshida; Kumio Yamamoto; Sachio Ogita


Japanese Journal of Cancer Research | 1990

Removal of immunosuppressive substance in cancer patients' serum

Osamu Ishiko; Masaaki Deguchi; Ichiro Tatsuta; Keizo Naka; K Hirai; Shinichi Nakata; Ken-ichi Honda; Tadashi Sugawa


Oncology Reports | 2001

Cyclooxygenase-2 expression in malignant mesenchymal tumors and related uterine lesions

Yoshinari Matsumoto; Osamu Ishiko; Toshiyuki Sumi; Hiroyuki Yoshida; Masaaki Deguchi; Eri Nakagawa; Tomoko Haba; Kenichi Wakasa; Sachio Ogita; Yoshiya Ando


Clinical Cancer Research | 1999

Elimination of Anemia-inducing Substance by Cyclic Plasma Perfusion of Tumor-bearing Rabbits

Osamu Ishiko; Kouzo Hirai; Sadako Nishimura; Toshiyuki Sumi; Ken-ichi Honda; Masaaki Deguchi; Ichiro Tatsuta; Sachio Ogita

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Hiroyuki Yoshida

Osaka Prefecture University

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