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Keisuke Sasai

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Tomohisa Furuya; Kumiko Karasawa; Chie Kurokawa; Shuichi Ozawa; Satoru Sugimoto; Keisuke Sasai
The dosimetric impact of respiratory breast movement and daily setup error on tangential whole breast irradiation using conventional wedge, field-in-field and irregular surface compensator techniques.
Motohiro Kawashima; Chie Kurokawa; Keiichi Nakagawa; Shuichi Ozawa; Akira Sakumi; Akihiro Haga; Kumiko Karasawa; Satoru Sugimoto; Keisuke Sasai
Comparison of total MU and segment areas in VMAT and step-and-shoot IMRT plans.
Hidehiro Hojo; Mitsuhiko Kawashima; Ryosuke Kohno; Teiji Nishio; Tetsuo Akimoto; Satoko Arahira; Ryuichi Hayashi; Makoto Tahara; Sadamoto Zenda; Keisuke Sasai
Impact of early radiological response evaluation on radiotherapeutic outcomes in the patients with nasal cavity and paranasal sinus malignancies.

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2013: Tomohisa Furuya; Kumiko Karasawa; Chie Kurokawa; Shuichi Ozawa; Satoru Sugimoto; Keisuke Sasai
The dosimetric impact of respiratory breast movement and daily setup error on tangential whole breast irradiation using conventional wedge, field-in-field and irregular surface compensator techniques.
Journal of radiation research 2013;54(1):157-65.
2013: Motohiro Kawashima; Chie Kurokawa; Keiichi Nakagawa; Shuichi Ozawa; Akira Sakumi; Akihiro Haga; Kumiko Karasawa; Satoru Sugimoto; Keisuke Sasai
Comparison of total MU and segment areas in VMAT and step-and-shoot IMRT plans.
Radiological physics and technology 2013;6(1):14-20.
2012: Hidehiro Hojo; Mitsuhiko Kawashima; Ryosuke Kohno; Teiji Nishio; Tetsuo Akimoto; Satoko Arahira; Ryuichi Hayashi; Makoto Tahara; Sadamoto Zenda; Keisuke Sasai
Impact of early radiological response evaluation on radiotherapeutic outcomes in the patients with nasal cavity and paranasal sinus malignancies.
Journal of radiation research 2012;53(5):704-9.
2011: Hisako Hirowatari; Kumiko Karasawa; Hiromi Izawa; Kana Ito; Keisuke Sasai; Tomohisa Furuya; Shuichi Ozawa; Atsushi Arakawa; Gotaro Orihata; Mitsue Saito
Full-dose capecitabine with local radiotherapy: one of the treatment options for inoperable T4 breast cancer.
Japanese journal of radiology 2011;29(3):222-5.
2010: Masato Sakamoto; Takashi Mizowaki; Michihide Mitsumori; Kenji Takayama; Keisuke Sasai; Yoshiki Norihisa; Toshiyuki Kamoto; Eijiro Nakamura; Osamu Ogawa; Masahiro Hiraoka
Long-term outcomes of three-dimensional conformal radiation therapy combined with neoadjuvant hormonal therapy in Japanese patients with locally advanced prostate cancer.
International journal of clinical oncology 2010;15(6):571-7.
2010: Gen Kawaguchi; Eisuke Abe; Ryuta Sasamoto; Keisuke Sasai
Elevation of serum carcinoembryonic antigen level in a patient with hypothyroidism after radiation therapy for cervical esophageal cancer.
International journal of clinical oncology 2010;15(1):104-8.
2006: Michihide Mitsumori; Yoshihide Sasaki; Takashi Mizowaki; Kenji Takayama; Yasushi Nagata; Masahiro Hiraoka; Yoshiharu Negoro; Keisuke Sasai; Hidefumi Kinoshita; Toshiyuki Kamoto; Osamu Ogawa
Results of radiation therapy combined with neoadjuvant hormonal therapy for stage III prostate cancer: comparison of two different definitions of PSA failure.
International journal of clinical oncology 2006;11(5):396-402.
2006: K Okamoto; Tetsuya Furusawa; K Ishikawa; Keisuke Sasai; Susumu Tokiguchi
Focal T2 hyperintensity in the dorsal brain stem in patients with vestibular schwannoma.
AJNR. American journal of neuroradiology 2006;27(6):1307-11.
2006: Natsuo Oya; Keisuke Sasai; Seiji Tachiiri; Takashi Sakamoto; Yasushi Nagata; Takashi Okada; Shinsuke Yano; Takayuki Ishikawa; Takashi Uchiyama; Masahiro Hiraoka
Influence of radiation dose rate and lung dose on interstitial pneumonitis after fractionated total body irradiation: acute parotitis may predict interstitial pneumonitis.
International journal of hematology 2006;83(1):86-91.
2004: Kouichirou Okamoto; Tetsuya Furusawa; Kazuhiro Ishikawa; Ferdous A Quadery; Keisuke Sasai; Susumu Tokiguchi
Mimics of brain tumor on neuroimaging: part II.
Radiation medicine 2004;22(3):135-42.
2004: Kouichirou Okamoto; Tetsuya Furusawa; Kazuhiro Ishikawa; Ferdous A Quadery; Keisuke Sasai; Susumu Tokiguchi
Mimics of brain tumor on neuroimaging: part I.
Radiation medicine 2004;22(2):63-76.
2003: Kouichirou Okamoto; Susumu Tokiguchi; Tetsuya Furusawa; Kazuhiro Ishikawa; Akther F Quardery; Satoru Shinbo; Keisuke Sasai
MR features of diseases involving bilateral middle cerebellar peduncles.
AJNR. American journal of neuroradiology 2003;24(10):1946-54.
2003: Tetsuya Aoki; Yasushi Nagata; Takashi Mizowaki; Masaki Kokubo; Yoshiharu Negoro; Kenji Takayama; Michihide Mitsumori; Keisuke Sasai; Masahiro Hiraoka
Clinical evaluation of dynamic arc conformal radiotherapy for paraaortic lymph node metastasis.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2003;67(1):113-8.
2002: Yasushi Nagata; Yoshiharu Negoro; Tetsuya Aoki; Takashi Mizowaki; Kenji Takayama; Masaki Kokubo; Norio Araki; Michihide Mitsumori; Keisuke Sasai; Yuta Shibamoto; Sachiko Koga; Shinsuke Yano; Masahiro Hiraoka
Clinical outcomes of 3D conformal hypofractionated single high-dose radiotherapy for one or two lung tumors using a stereotactic body frame.
International journal of radiation oncology, biology, physics 2002;52(4):1041-6.
2001: Natsuo Oya; Masaki Kokubo; Takashi Mizowaki; Yuta Shibamoto; Yasushi Nagata; Keisuke Sasai; Yasumasa Nishimura; Tadao Tsuboyama; Junya Toguchida; Tetsuya Nakamura; Masahiro Hiraoka
Definitive intraoperative very high-dose radiotherapy for localized osteosarcoma in the extremities.
International journal of radiation oncology, biology, physics 2001;51(1):87-93.
2001: Yoshiharu Negoro; Yasushi Nagata; Tetsuya Aoki; Takashi Mizowaki; Norio Araki; Kenji Takayama; Masaki Kokubo; Shinsuke Yano; Sachiko Koga; Keisuke Sasai; Yuta Shibamoto; Masahiro Hiraoka
The effectiveness of an immobilization device in conformal radiotherapy for lung tumor: reduction of respiratory tumor movement and evaluation of the daily setup accuracy.
International journal of radiation oncology, biology, physics 2001;50(4):889-98.
2001: T Sakamoto; Masaki Kokubo; Keisuke Sasai; Kazuo Chin; Jun A Takahashi; Yasushi Nagata; Masahiro Hiraoka
Central neurogenic hyperventilation with primary cerebral lymphoma: a case report.
Radiation medicine 2001;19(4):209-13.
2001: Masaki Kokubo; Yasushi Nagata; Yasumasa Nishimura; H Kimura; Kazuhiko Shoji; Ryo Asato; Keisuke Sasai; Masahiro Hiraoka
Concurrent chemoradiotherapy for oropharyngeal carcinoma.
American journal of clinical oncology 2001;24(1):71-6.
2001: Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; Masahiro Hiraoka
Intracranial germinoma: radiation therapy with tumor volume-based dose selection.
Radiology 2001;218(2):452-6.
2001: Keisuke Sasai; H Yamabe; Y Dodo; S Kashii; Yasushi Nagata; Masahiro Hiraoka
Non-Hodgkin's lymphoma of the ocular adnexa.
Acta oncologica (Stockholm, Sweden) 2001;40(4):485-90.
2001: K Tamai ; Michihide Mitsumori; S Fujishiro; Masaki Kokubo; N Ooya; Yasushi Nagata; Keisuke Sasai; Masahiro Hiraoka; Takashi Inamoto
A case of allergic reaction to surgical metal clips inserted for postoperative boost irradiation in a patient undergoing breast-conserving therapy.
Breast cancer (Tokyo, Japan) 2001;8(1):90-2.
2001: H Yu ; Michihide Mitsumori; Yasushi Nagata; Y Katakura; Masaki Kokubo; Natsuo Oya; S Fujishiro; Keisuke Sasai; Masahiro Hiraoka; Norimichi Kan
Meningeal carcinomatosis in patients with breast cancer: report of 8 patients.
Breast cancer (Tokyo, Japan) 2001;8(1):74-8.
2000: Seiji Tachiiri; Keisuke Sasai; Natsuo Oya; Masahiro Hiraoka
Enhanced cell killing by overexpression of dominant-negative phosphatidylinositol 3-kinase subunit, Deltap85, following genotoxic stresses.
Japanese journal of cancer research : Gann 2000;91(12):1314-8.
2000: Masaki Kokubo; Yasumasa Nishimura; Yuta Shibamoto; Keisuke Sasai; S Kanamori; Ryo Hosotani; Masayuki Imamura; Masahiro Hiraoka
Analysis of the clinical benefit of intraoperative radiotherapy in patients undergoing macroscopically curative resection for pancreatic cancer.
International journal of radiation oncology, biology, physics 2000;48(4):1081-7.
2000: Masaki Kokubo; Michihide Mitsumori; Satoshi Ishikura; Yasushi Nagata; S Fujishiro; Takashi Inamoto; Keiichi Mise; Hiroshi Kodama; Keisuke Sasai; Masahiro Hiraoka
Results of breast-conserving therapy for early stage breast cancer: Kyoto University experiences.
American journal of clinical oncology 2000;23(5):499-505.
2000: Keisuke Sasai; H Yamabe; Masaki Kokubo; Toru Shibata; Natsuo Oya; Yasushi Nagata; Masahiro Hiraoka
Head-and-neck stages I and II extranodal non-Hodgkin's lymphomas: real classification and selection for treatment modality.
International journal of radiation oncology, biology, physics 2000;48(1):153-60.
2000: Masaki Kokubo; Yuta Shibamoto; Jun A Takahashi; Keisuke Sasai; Natsuo Oya; Nobuo Hashimoto; Masahiro Hiraoka
Efficacy of conventional radiotherapy for recurrent meningioma.
Journal of neuro-oncology 2000;48(1):51-5.
2000: Masaki Kokubo; Keisuke Sasai; Yuta Shibamoto; T Aoki; Natsuo Oya; M Mitsumori; Jun A Takahashi; Nobuo Hashimoto; Masahiro Hiraoka
Long-term results of radiation therapy for pituitary adenoma.
Journal of neuro-oncology 2000;47(1):79-84.
2000: Yasushi Nagata; Norio Araki; H Kimura; K Fujiwara; K Okajima; Tetsuya Aoki; Michihide Mitsumori; Keisuke Sasai; Masahiro Hiraoka; T Higuchi; Shingo Fujii
Neoadjuvant chemotherapy by transcatheter arterial infusion method for uterine cervical cancer.
Journal of vascular and interventional radiology : JVIR 2000;11(3):313-9.
2000: K Nihei; Michihide Mitsumori; T Ishigaki; S Fujishiro; Masaki Kokubo; Yasushi Nagata; Keisuke Sasai; Masahiro Hiraoka
Determination of optimal radiation energy for different breast sizes using CT-simulator [correction of simulatior] in tangential breast irradiation.
Breast cancer (Tokyo, Japan) 2000;7(3):231-6.
2000: S Fujishiro; Michihide Mitsumori; Masaki Kokubo; Yasushi Nagata; Keisuke Sasai; Keiichi Mise; Hiroshi Kodama; M Hiroka
Cosmetic results and complications after breast conserving therapy for early breast cancer.
Breast cancer (Tokyo, Japan) 2000;7(1):57-63.
2000: X Xie; Keisuke Sasai; K Shibuya; Seiji Tachiiri; K Nihei; T Ohnishi; Masahiro Hiraoka
P53 status plays no role in radiosensitizing effects of SN-38, a camptothecin derivative.
Cancer chemotherapy and pharmacology 2000;45(5):362-8.
1999: Yuta Shibamoto; Keisuke Sasai; Masaki Kokubo; Masahiro Hiraoka
Salvage radiation therapy for intracranial germinoma recurring after primary chemotherapy.
Journal of neuro-oncology 1999;44(2):181-5.
1999: Keiko Shibuya; Keisuke Sasai; X Xie; H Utsumi; Toru Shibata; Masahiro Hiraoka
Detection of hypoxic cells in murine tumors using the comet assay: comparison with a conventional radiobiological assay.
Japanese journal of cancer research : Gann 1999;90(8):880-6.
1999: GZ Guo; Keisuke Sasai; Natsuo Oya; Toru Shibata; Keiko Shibuya; Masahiro Hiraoka
A significant correlation between clonogenic radiosensitivity and the simultaneous assessment of micronucleus and apoptotic cell frequencies.
International journal of radiation biology 1999;75(7):857-64.
1999: Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; Masahiro Hiraoka
Systemic chemotherapy with vincristine, cyclophosphamide, doxorubicin and prednisolone following radiotherapy for primary central nervous system lymphoma: a phase II study.
Journal of neuro-oncology 1999;42(2):161-7.
1999: Yasushi Nagata; K Okajima; Masaki Kokubo; S Kanamori; K Fujiwara; Takashi Mizowaki; Keisuke Sasai; Masahiro Hiraoka; N Kataoka; I Konishi
Clinical results of transcatheter arterial infusion for uterine cervical cancer.
American journal of clinical oncology 1999;22(1):97-102.
1999: S Kanamori; Yasumasa Nishimura; Masaki Kokubo; Keisuke Sasai; Masahiro Hiraoka; Yuta Shibamoto; R Hosotani; Masayuki Imamura; M Abe
Tumor response and patterns of failure following intraoperative radiotherapy for unresectable pancreatic cancer--evaluation by computed tomography.
Acta oncologica (Stockholm, Sweden) 1999;38(2):215-20.
1998: Toru Shibata; N Akiyama; M Noda; Keisuke Sasai; Masahiro Hiraoka
Enhancement of gene expression under hypoxic conditions using fragments of the human vascular endothelial growth factor and the erythropoietin genes.
International journal of radiation oncology, biology, physics 1998;42(4):913-6.
1998: Keisuke Sasai; GZ Guo; Keiko Shibuya; Natsuo Oya; Toru Shibata; Y Nagata; Masahiro Hiraoka
Effects of SN-38 (an active metabolite of CPT-11) on responses of human and rodent cells to irradiation.
International journal of radiation oncology, biology, physics 1998;42(4):785-8.
1998: T Takagi; Keisuke Sasai; Y Shibamoto; K Akagi; Natsuo Oya; Toru Shibata; J Kim; Masahiro Hiraoka
The influence of DNA ploidy of a human tumor cell line on the frequencies of micronuclei or chromosome aberrations after irradiation.
Mutation research 1998;418(1):49-57.
1998: GZ Guo; Keisuke Sasai; Natsuo Oya; T Takagi; Keiko Shibuya; Masahiro Hiraoka
Simultaneous evaluation of radiation-induced apoptosis and micronuclei in five cell lines.
International journal of radiation biology 1998;73(3):297-302.
1997: Keisuke Sasai; R Murata; M Mandai; M Takahashi; Y Ogura; Y Ngata; Yasumasa Nishimura; Masahiro Hiraoka
Radiation therapy for ocular choroidal neovascularization (phase I/II study): preliminary report.
International journal of radiation oncology, biology, physics 1997;39(1):173-8.
1997: Yasumasa Nishimura; Ryo Hosotani; Yuta Shibamoto; Masaki Kokubo; S Kanamori; Keisuke Sasai; Masahiro Hiraoka; Gakuji Ohshio; Masayuki Imamura; M Takahashi; M Abe
External and intraoperative radiotherapy for resectable and unresectable pancreatic cancer: analysis of survival rates and complications.
International journal of radiation oncology, biology, physics 1997;39(1):39-49.
1997: Yasushi Nagata; Masahiro Hiraoka; Yasumasa Nishimura; Shin-Ichiro Masunaga; M Mitumori; Y Okuno; M Fujishiro; S Kanamori; Naotoshi Horii; K Akuta; Keisuke Sasai; M Abe; Y Fukuda
Clinical results of radiofrequency hyperthermia for malignant liver tumors.
International journal of radiation oncology, biology, physics 1997;38(2):359-65.
1997: M Nakayama; Harumi Sakahara; Yohsuke Minowa; Keisuke Sasai; T Ishigaki; Tsuneo Saga; Y Nakamoto; Z Yao; Masahiro Hiraoka; K Sakai; Junji Konishi
Value of low-dose gallium-67 imaging in detection of non-Hodgkin's lymphoma recurrence.
Radiation medicine 1997;15(2):79-83.
1997: Yuta Shibamoto; M Takahashi; Keisuke Sasai
Prognosis of intracranial germinoma with syncytiotrophoblastic giant cells treated by radiation therapy.
International journal of radiation oncology, biology, physics 1997;37(3):505-10.
1997: Keisuke Sasai; H Yamabe; K Tsutsui; Y Dodo; T Ishigaki; Y Shibamoto; Masahiro Hiraoka
Primary testicular non-Hodgkin's lymphoma: a clinical study and review of the literature.
American journal of clinical oncology 1997;20(1):59-62.
1997: Yasumasa Nishimura; Yuta Shibamoto; Ryo Hosotani; Gakuji Ohshio; Masaki Kokubo; S Kanamori; Keisuke Sasai; Masahiro Hiraoka; Masayuki Imamura; M Abe
IORT for pancreatic cancer: the Kyoto University experience.
Frontiers of radiation therapy and oncology 1997;31():184-8.
1996: Yohsuke Minowa; Keisuke Sasai; T Ishigaki; Y Nagata; Masahiro Hiraoka
[Palliative radiation therapy for multiple myeloma].
Nihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica 1996;56(14):1056-60.
1996: Yuta Shibamoto; R Murata; S Miyauchi; M Hirohashi; T Takagi; Keisuke Sasai; Toru Shibata; Natsuo Oya; M Takahashi
Combined effect of clinically relevant doses of emitefur, a new 5-fluorouracil derivative, and radiation in murine tumours.
British journal of cancer 1996;74(11):1709-13.
1996: R Murata; Yuta Shibamoto; S Miyauchi; M Hirohashi; T Takagi; Keisuke Sasai; Natsuo Oya; Masahiro Hiraoka
The combined antitumour effect of a new 5-fluorouracil derivative, BOF-A2, and radiation in vivo.
The British journal of cancer. Supplement 1996;27():S114-6.
1996: Toru Shibata; Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; R Murata; T Takagi; Masahiro Hiraoka; M Takahashi; M Abe
Tirapazamine: hypoxic cytotoxicity and interaction with radiation as assessed by the micronucleus assay.
The British journal of cancer. Supplement 1996;27():S61-4.
1996: M Takahashi; Yuta Shibamoto; Keisuke Sasai; Yasumasa Nishimura; M Abe
Kyoto University experience with intraoperative radiation therapy.
Annals of the Academy of Medicine, Singapore 1996;25(3):352-8.
1996: R Murata; Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; Toru Shibata; T Takagi; M Abe
Reoxygenation after single irradiation in rodent tumors of different types and sizes.
International journal of radiation oncology, biology, physics 1996;34(4):859-65.
1996: Yuta Shibamoto; T Manabe; Gakuji Ohshio; Keisuke Sasai; Yasumasa Nishimura; Masayuki Imamura; M Takahashi; M Abe
High-dose intraoperative radiotherapy for unresectable pancreatic cancer.
International journal of radiation oncology, biology, physics 1996;34(1):57-63.
1996: Keisuke Sasai; H Yamabe; H Haga; K Tsutsui; Y Dodo; T Ishigaki; Yuta Shibamoto; M Abe
Non-Hodgkin's lymphoma of the thyroid. A clinical study of twenty-two cases.
Acta oncologica (Stockholm, Sweden) 1996;35(4):457-62.
1996: Toru Shibata; Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; R Murata; T Takagi; Masahiro Hiraoka; M Abe
Comparison of in vivo efficacy of hypoxic cytotoxin tirapazamine and hypoxic cell radiosensitizer KU-2285 in combination with single and fractionated irradiation.
Japanese journal of cancer research : Gann 1996;87(1):98-104.
1995: Natsuo Oya; Yuta Shibamoto; Keisuke Sasai; Toru Shibata; R Murata; T Takagi; H Iwai; T Suzuki; M Abe
Optical isomers of a new 2-nitroimidazole nucleoside analog (PR-350 series): radiosensitization efficiency and toxicity.
International journal of radiation oncology, biology, physics 1995;33(1):119-27.
1995: Toru Shibata; Yuta Shibamoto; Keisuke Sasai; Natsuo Oya; T Takagi; R Murata; M Abe
Assessment of micronucleus induction in SCCVII cells treated with bioreductive agents, WIN 59075 (SR 4233) and mitomycin C, under aerobic and hypoxic conditions.
Mutation research 1995;342(3-4):171-7.
1994: Natsuo Oya; Yuta Shibamoto; Toru Shibata; Keisuke Sasai; T Sugiyama; M Abe
Combined cytokinesis-block micronucleus and chromosomal aberration assay for the evaluation of radiosensitizers at low radiation doses.
International journal of radiation oncology, biology, physics 1994;30(5):1153-9.
1994: Toru Shibata; Yuta Shibamoto; Natsuo Oya; Keisuke Sasai; R Murata; T Ishigaki; M Abe
Comparison of radiosensitizing effect of KU-2285 and SR-2508 at low drug concentrations and doses.
International journal of radiation oncology, biology, physics 1994;29(3):587-90.
1994: Yuta Shibamoto; Y Kitakabu; R Murata; Natsuo Oya; Toru Shibata; Keisuke Sasai; M Takahashi; M Abe
Reoxygenation in the SCCVII tumor after KU-2285 sensitization plus single or fractionated irradiation.
International journal of radiation oncology, biology, physics 1994;29(3):583-6.
1994: Keisuke Sasai; H Iwai; T Yoshizawa; Sei-ichi Nishimoto; Yuta Shibamoto; Natsuo Oya; Toru Shibata; M Abe
Fluorinated 2-nitroimidazole derivative hypoxic cell radiosensitizers: radiosensitizing activities and pharmacokinetics.
International journal of radiation oncology, biology, physics 1994;29(3):579-82.
1994: S Takahashi; M Sugimoto; Y Kotoura; Keisuke Sasai; Masanori Oka; T Yamamuro
Long-term changes in the haversian systems following high-dose irradiation. An ultrastructural and quantitative histomorphological study.
The Journal of bone and joint surgery. American volume 1994;76(5):722-38.
1993: Natsuo Oya; Yuta Shibamoto; Keisuke Sasai; T Sugiyama; M Abe
In vivo radiosensitization efficacy of KU-2285 and etanidazole at clinically relevant low radiation doses.
International journal of radiation oncology, biology, physics 1993;27(5):1113-9.
1992: Yuta Shibamoto; Keisuke Sasai; T Manabe
[Radiation therapy of pancreatic cancer].
Gan to kagaku ryoho. Cancer & chemotherapy 1992;19(14):2344-8.
1992: Keisuke Sasai; H Iwai; T Yoshizawa; Sei-ichi Nishimoto; Yuta Shibamoto; Y Kitakabu; Natsuo Oya; M Takahashi; M Abe
Pharmacokinetics of fluorinated 2-nitroimidazole hypoxic cell radiosensitizers in murine peripheral nervous tissue.
International journal of radiation biology 1992;62(2):221-7.
1992: T Sugita; M Masuoka; Y Nishikawa; Sei-ichi Nishimoto; L Zhou; Keisuke Sasai; T Kagiya
Nitrotriazoles bearing sulfur-substituted side chains: preparation and characterization as hypoxic cell radiosensitizers.
Anti-cancer drug design 1992;7(3):277-84.
1992: Yuta Shibamoto; C Streffer; Keisuke Sasai; Natsuo Oya; M Abe
Radiosensitization efficacy of KU-2285, RP-170 and etanidazole at low radiation doses: assessment by in vitro cytokinesis-block micronucleus assay.
International journal of radiation biology 1992;61(4):473-8.
1992: S Takahashi; M Sugimoto; Y Kotoura; Masanori Oka; Keisuke Sasai; M Abe; T Yamamuro
Long-lasting tolerance of articular cartilage after experimental intraoperative radiation in rabbits.
Clinical orthopaedics and related research 1992;(275):300-5.
1992: V T Kagiya; Sei-ichi Nishimoto; T Ito; J Wang; M Abe; Keisuke Sasai
Fluorine modification of nitroazole radiosensitizers for the enhancement of sensitizing activity with lowering toxicity: a pharmacokinetic characterization.
International journal of radiation oncology, biology, physics 1992;22(3):601-5.
1992: V T Kagiya; T Sugita; Sei-ichi Nishimoto; M Masuoka; L Zhou; M Abe; Yuta Shibamoto; Keisuke Sasai
Metabolic rate modification of nitrotriazole radiosensitizers by sulfur substitution of side chain.
International journal of radiation oncology, biology, physics 1992;22(3):597-600.
1992: Keisuke Sasai; Yuta Shibamoto; T Manabe; N Baba; M Takahashi; M Sakaguchi; M Abe
Pharmacokinetics of intratumoral RK-28, a new hypoxic radiosensitizer.
International journal of radiation oncology, biology, physics 1992;24(5):959-63.
1991: Keisuke Sasai; M Fushiki; Y Yukawa; S Suyama; H Iwai; Yuta Shibamoto; Sei-ichi Nishimoto; M Takahashi; M Abe
In vivo radiosensitizing activity of a new fluorinated hypoxic cell radiosensitizer, KU-2285, in combination with radiation dose fractionation.
International journal of radiation oncology, biology, physics 1991;21(5):1231-4.
1991: Keisuke Sasai; Sei-ichi Nishimoto; K Shimokawa; Y Hisanaga; Y Kitakabu; Yuta Shibamoto; L Zhou; J Wang; M Takahashi; T Kagiya
A fluorinated 2-nitroimidazole, KU-2285, as a new hypoxic cell radiosensitizer.
International journal of radiation oncology, biology, physics 1991;20(6):1249-54.
1991: Y Kitakabu; Yuta Shibamoto; Keisuke Sasai; Koji Ono; M Abe
Variations of the hypoxic fraction in the SCC VII tumors after single dose and during fractionated radiation therapy: assessment without anesthesia or physical restraint of mice.
International journal of radiation oncology, biology, physics 1991;20(4):709-14.
1991: Yuta Shibamoto; Keisuke Sasai; M Sakaguchi; P Tamulevicius; Y Kitakabu; C Streffer; M Abe
Evaluation of a new 2-nitroimidazole nucleoside analogue, RK-28 as a radiosensitizer for clinical use.
International journal of radiation biology 1991;59(1):105-15.
1990: Koji Ono; Keisuke Sasai; S Masunaga; Y Kitakabu; M Fushiki; Yuko Kinashi; M Takahashi; M Abe
[Hypoxic cell radiosensitizer present status and problems from viewpoint of clinical radiotherapy].
Gan no rinsho. Japan journal of cancer clinics 1990;36(13):2255-8.
1990: Yuta Shibamoto; T Manabe; N Baba; Keisuke Sasai; M Takahashi; T Tobe; M Abe
High dose, external beam and intraoperative radiotherapy in the treatment of resectable and unresectable pancreatic cancer.
International journal of radiation oncology, biology, physics 1990;19(3):605-11.
1990: Keisuke Sasai; Yuta Shibamoto; M Takahashi; T Ito; Sei-ichi Nishimoto; M Abe
Pharmacokinetics of 2-nitroimidazole hypoxic cell radiosensitizers in rodent peripheral nervous tissue.
International journal of radiation biology 1990;57(5):971-80.
1990: M Fushiki; Koji Ono; Keisuke Sasai; Yuta Shibamoto; K Tsutsui; T Nishidai; M Takahashi; M Abe
Effect of recombinant human granulocyte colony-stimulating factor on granulocytopenia in mice induced by irradiation.
International journal of radiation oncology, biology, physics 1990;18(2):353-7.
1990: Koji Ono; E Wandl; Keisuke Sasai; K Tsutsui; Yuta Shibamoto; M Takahashi; M Abe
Combined effect of radiation and YM-881 (SMANCS) on murine tumors and bone marrow.
Acta oncologica (Stockholm, Sweden) 1990;29(4):455-9.
1990: Keisuke Sasai; Yuta Shibamoto; M Takahashi; L Zhou; Hitoshi Hori; H Nagasawa; Toru Shibata; S Inayama; M Abe
KIH-802, an acetohydroxamic acid derivative of 2-nitroimidazole, as a new potent hypoxic cell radiosensitizer: radiosensitizing activity, acute toxicity, and pharmacokinetics.
Cancer chemotherapy and pharmacology 1990;26(2):112-6.
1989: Koji Ono; E Wandl; K Tsutsui; Keisuke Sasai; M Abe
The correlation between cell survival curve and dose response curve of micronucleus (MN) frequency.
Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al] 1989;165(11):824-7.
1989: Keisuke Sasai; Yuta Shibamoto; M Takahashi; M Abe; J Wang; L Zhou; Sei-ichi Nishimoto; T Kagiya
A new, potent 2-nitroimidazole nucleoside hypoxic cell radiosensitizer, RP170.
Japanese journal of cancer research : Gann 1989;80(11):1113-8.
1989: Keisuke Sasai; Koji Ono; M Takahashi; M Abe
[Influence of hemoglobin level, arterial oxygen partial pressure and arterial oxygen content on the results of radiation therapy in lung squamous cell cancer].
Gan no rinsho. Japan journal of cancer clinics 1989;35(13):1554-7.
1989: Koji Ono; M Fushiki; Y Nagata; K Tsutsui; Keisuke Sasai; M Takahashi; M Abe
Combined effects of radiation and IUdR on experimental liver tumors and hepatocytes.
Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al] 1989;165(9):688-92.
1989: Y Nagao; S Sano; M Ochiai; Kaoru Fuji; Sei-ichi Nishimoto; T Kagiya; C Murayama; T Mori; Yuta Shibamoto; Keisuke Sasai
Radiosensitizing hypoxic cells with new 3-nitro-1,2,4-triazole derivatives in vitro and in vivo.
Chemical & pharmaceutical bulletin 1989;37(7):1951-3.
1989: Keisuke Sasai; Koji Ono; Masahiro Hiraoka; K Tsutsui; Yuta Shibamoto; M Takahashi; J Hamakawa; C Nadai; M Abe
The effect of arterial oxygen content on the results of radiation therapy for epidermoid bronchogenic carcinoma.
International journal of radiation oncology, biology, physics 1989;16(6):1477-81.
1989: Keisuke Sasai; Koji Ono; T Nishidai; K Tsutsui; Yuta Shibamoto; M Takahashi; M Abe
Variation in tumor response to fluosol-DA (20%).
International journal of radiation oncology, biology, physics 1989;16(5):1149-52.
1989: Yuta Shibamoto; Sei-ichi Nishimoto; K Shimokawa; Y Hisanaga; L Zhou; J Wang; Keisuke Sasai; M Takahashi; M Abe; T Kagiya
Characteristics of fluorinated nitroazoles as hypoxic cell radiosensitizers.
International journal of radiation oncology, biology, physics 1989;16(4):1045-8.
1989: T Kagiya; Sei-ichi Nishimoto; Yuta Shibamoto; J Wang; L Zhou; Y L He; Keisuke Sasai; M Takahashi; M Abe
Importance of tumor affinity of nitroazoles in hypoxic radiosensitization.
International journal of radiation oncology, biology, physics 1989;16(4):1033-7.
1988: Koji Ono; Keisuke Sasai; K Tsutsui; M Takahashi; M Abe; C Nadai; J Hamakawa
[Results of radiotherapy for lung cancer. Therapeutic factors affecting survival].
Nihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica 1988;48(8):988-94.
1988: Keisuke Sasai; Koji Ono; Masahiro Hiraoka; K Tsutsui; M Takahashi; M Abe; J Hamakawa; C Nadai
[Radiation therapy of brain tumors metastatic from bronchogenic carcinoma].
Nihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica 1988;48(5):602-7.
1988: Yuta Shibamoto; Keisuke Sasai; M Takahashi; M Abe; F S Mi; Sei-ichi Nishimoto; T Kagiya
[Radiosensitizing effects of new 2-nitroimidazole nucleoside analogues (RK-28, RK-29)].
Nihon Gan Chiryo Gakkai shi 1988;23(1):13-8.
1987: Koji Ono; Keisuke Sasai; Yuta Shibamoto; K Tsutsui; M Fushiki; T Nishidai; M Takahashi; M Abe
[Present status of hypoxic cell sensitizers and PLDR inhibitors].
Gan no rinsho. Japan journal of cancer clinics 1987;33(13):1673-8.
1987: Yuta Shibamoto; Sei-ichi Nishimoto; F Mi; Keisuke Sasai; T Kagiya; M Abe
Evaluation of various types of new hypoxic cell sensitizers using the EMT6 single cell-spheroid-solid tumour system.
International journal of radiation biology and related studies in physics, chemistry, and medicine 1987;52(3):347-57.