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Nakamura S, Tanaka E, Iso Y, Fujihara H. Effect of Sodium-Glucose Cotransporter-2 Inhibitor Administration on Cardiac Rehabilitation in Patients with Type 2 Diabetes Mellitus with Heart Failure. Pharmazie 2023; 78:100-105. [PMID: 37537769 DOI: 10.1691/ph.2023.3531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Cardiac rehabilitation in patients with diabetes mellitus and heart failure may be affected by anti-diabetic drugs. However, there are few reports on the effects of sodium-glucose cotransporter-2 (SGLT2) inhibitors on cardiac rehabilitation. Thus, we retrospectively investigated the patient backgrounds and effects of cardiac rehabilitation in 44 patients admitted to our hospital with heart failure and pre-existing diabetes mellitus. Our results showed that the patients tended to be older, and those who received SGLT2 inhibitors had lower systolic blood pressure and left ventricular ejection fraction on admission than those who did not. Cardiac rehabilitation significantly improved the Short Physical Performance Battery (SPPB) score in all patients, and there was no significant difference in body mass index or in body weight. There were no significant differences in SPPB score at admission, discharge, or change from admission to discharge with or without SGLT2 inhibitors. These results suggest that SGLT2 inhibitors do not affect the change in SPPB scores. SGLT2 inhibitors may thus be used safely without affecting cardiac rehabilitation while adhering to the necessary safety precautions.
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Affiliation(s)
- S Nakamura
- Department of Hospital Pharmacy; School of Pharmacy, Showa University, Tokyo; Department of Pharmacy; Showa University Fujigaoka Rehabilitation Hospital, Yokohama; Department of Supervisory Pharmacy; , Showa University, 2-1-1, Fujigaoka, Aoba-ku, Yokohama-shi, Kanagawa, 227-8518 Japan
| | - E Tanaka
- School of Pharmacy, Showa University, Tokyo; Department of Pharmacy; Showa University Fujigaoka Rehabilitation Hospital, Yokohama; Department of Supervisory Pharmacy
| | - Y Iso
- Showa University, Tokyo; Division of Cardiology
| | - H Fujihara
- Department of Hospital Pharmacy; Showa University Fujigaoka Rehabilitation Hospital, Yokohama; Department of Supervisory Pharmacy
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2
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Anan K, Iso Y, Oguma T, Nakahara K, Suzuki S, Yamamoto T, Matsuoka E, Ito H, Sakaguchi G, Ando S, Morimoto K, Kanegawa N, Kido Y, Kawachi T, Fukushima T, Teisman A, Urmaliya V, Dhuyvetter D, Borghys H, Austin N, Van Den Bergh A, Verboven P, Bischoff F, Gijsen HJM, Yamano Y, Kusakabe KI. Trifluoromethyl Dihydrothiazine‐Based β‐Secretase (BACE1) Inhibitors with Robust Central β‐Amyloid Reduction and Minimal Covalent Binding Burden. ChemMedChem 2019; 14:1894-1910. [DOI: 10.1002/cmdc.201900478] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 09/19/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Kosuke Anan
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Yasuyoshi Iso
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Takuya Oguma
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Kenji Nakahara
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Shinji Suzuki
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Takahiko Yamamoto
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
- Current address: API Process Development Department (Biotechnology)Pharmaceutical Technology Division, Chugai Pharmaceutical Co., Ltd. 5–1, Ukima 5-chome, Kita-ku Tokyo 115-8543 Japan
| | - Eriko Matsuoka
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Hisanori Ito
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Gaku Sakaguchi
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Shigeru Ando
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Kenji Morimoto
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Naoki Kanegawa
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Yasuto Kido
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Tomoyuki Kawachi
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Tamio Fukushima
- Research Laboratory for DevelopmentShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Ard Teisman
- Non-Clinical SafetyJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Vijay Urmaliya
- Non-Clinical SafetyJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Deborah Dhuyvetter
- Non-Clinical SafetyJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Herman Borghys
- Non-Clinical SafetyJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Nigel Austin
- Discovery SciencesJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
- Current address: Sosei HeptaresSteinmetz Building, Granta Park, Great Abington Cambridge CB21 6DG UK
| | - An Van Den Bergh
- Discovery SciencesJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Peter Verboven
- Discovery SciencesJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Francois Bischoff
- Discovery SciencesJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Harrie J. M. Gijsen
- Discovery SciencesJanssen Research & Development Turnhoutseweg 30 2340 Beerse Belgium
| | - Yoshinori Yamano
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
| | - Ken-ichi Kusakabe
- Discovery Research Laboratory for Core Therapeutic AreasShionogi Pharmaceutical Research Center 1-1 Futaba-cho 3-chome, Toyonaka Osaka 561-0825 Japan
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3
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Tadano G, Komano K, Yoshida S, Suzuki S, Nakahara K, Fuchino K, Fujimoto K, Matsuoka E, Yamamoto T, Asada N, Ito H, Sakaguchi G, Kanegawa N, Kido Y, Ando S, Fukushima T, Teisman A, Urmaliya V, Dhuyvetter D, Borghys H, Van Den Bergh A, Austin N, Gijsen HJM, Yamano Y, Iso Y, Kusakabe KI. Discovery of an Extremely Potent Thiazine-Based β-Secretase Inhibitor with Reduced Cardiovascular and Liver Toxicity at a Low Projected Human Dose. J Med Chem 2019; 62:9331-9337. [DOI: 10.1021/acs.jmedchem.9b01140] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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4
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Nakahara K, Fuchino K, Komano K, Asada N, Tadano G, Hasegawa T, Yamamoto T, Sako Y, Ogawa M, Unemura C, Hosono M, Ito H, Sakaguchi G, Ando S, Ohnishi S, Kido Y, Fukushima T, Dhuyvetter D, Borghys H, Gijsen HJM, Yamano Y, Iso Y, Kusakabe KI. Discovery of Potent and Centrally Active 6-Substituted 5-Fluoro-1,3-dihydro-oxazine β-Secretase (BACE1) Inhibitors via Active Conformation Stabilization. J Med Chem 2018; 61:5525-5546. [DOI: 10.1021/acs.jmedchem.8b00011] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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5
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Fuchino K, Mitsuoka Y, Masui M, Kurose N, Yoshida S, Komano K, Yamamoto T, Ogawa M, Unemura C, Hosono M, Ito H, Sakaguchi G, Ando S, Ohnishi S, Kido Y, Fukushima T, Miyajima H, Hiroyama S, Koyabu K, Dhuyvetter D, Borghys H, Gijsen HJM, Yamano Y, Iso Y, Kusakabe KI. Rational Design of Novel 1,3-Oxazine Based β-Secretase (BACE1) Inhibitors: Incorporation of a Double Bond To Reduce P-gp Efflux Leading to Robust Aβ Reduction in the Brain. J Med Chem 2018; 61:5122-5137. [DOI: 10.1021/acs.jmedchem.8b00002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Tsuno N, Yukimasa A, Yoshida O, Suzuki S, Nakai H, Ogawa T, Fujiu M, Takaya K, Nozu A, Yamaguchi H, Matsuda H, Funaki S, Yamanada N, Tanimura M, Nagamatsu D, Asaki T, Horita N, Yamamoto M, Hinata M, Soga M, Imai M, Morioka Y, Kanemasa T, Sakaguchi G, Iso Y. Pharmacological evaluation of novel (6-aminopyridin-3-yl)(4-(pyridin-2-yl)piperazin-1-yl) methanone derivatives as TRPV4 antagonists for the treatment of pain. Bioorg Med Chem 2017; 25:2177-2190. [PMID: 28284871 DOI: 10.1016/j.bmc.2017.02.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 02/13/2017] [Accepted: 02/15/2017] [Indexed: 01/08/2023]
Abstract
A novel series of (6-aminopyridin-3-yl)(4-(pyridin-2-yl)piperazin-1-yl) methanone derivatives were identified as selective transient receptor potential vanilloid 4 (TRPV4) channel antagonist and showed analgesic effect in Freund's Complete Adjuvant (FCA) induced mechanical hyperalgesia model in guinea pig and rat. Modification of right part based on the compound 16d which was disclosed in our previous communication led to the identification of compound 26i as a flagship compound. In this paper, we described the details about design, synthesis and structure-activity relationship (SAR) analysis at right and left part of these derivatives (Fig. 1).
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Affiliation(s)
- Naoki Tsuno
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan.
| | - Akira Yukimasa
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Osamu Yoshida
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Shinji Suzuki
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Hiromi Nakai
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Tomoyuki Ogawa
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Motohiro Fujiu
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Kenji Takaya
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Azusa Nozu
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Hiroki Yamaguchi
- Medicinal Chemistry Research Laboratory, Shionogi & Co., Ltd, Japan
| | | | - Satoko Funaki
- Research Laboratory for Development, Shionogi & Co., Ltd, Japan
| | - Natsue Yamanada
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Miki Tanimura
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Daiki Nagamatsu
- Research Laboratory for Development, Shionogi & Co., Ltd, Japan
| | - Toshiyuki Asaki
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | | | - Miyuki Yamamoto
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Mikie Hinata
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Masahiko Soga
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Masayuki Imai
- Global Innovation Office, Shionogi & Co., Ltd, Japan
| | - Yasuhide Morioka
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | - Toshiyuki Kanemasa
- Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd, Japan
| | | | - Yasuyoshi Iso
- IMP Manufacturing Center, CMC R&D Division, Shionogi & Co., Ltd, Japan
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7
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Tsuno N, Yukimasa A, Yoshida O, Ichihashi Y, Inoue T, Ueno T, Yamaguchi H, Matsuda H, Funaki S, Yamanada N, Tanimura M, Nagamatsu D, Nishimura Y, Ito T, Soga M, Horita N, Yamamoto M, Hinata M, Imai M, Morioka Y, Kanemasa T, Sakaguchi G, Iso Y. Discovery of novel 2′,4′-dimethyl-[4,5′-bithiazol]-2-yl amino derivatives as orally bioavailable TRPV4 antagonists for the treatment of pain: Part 1. Bioorg Med Chem Lett 2016; 26:4930-4935. [DOI: 10.1016/j.bmcl.2016.09.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/30/2016] [Accepted: 09/06/2016] [Indexed: 11/26/2022]
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8
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Tsuno N, Yukimasa A, Yoshida O, Suzuki S, Nakai H, Ogawa T, Fujiu M, Takaya K, Nozu A, Yamaguchi H, Matsuda H, Funaki S, Nishimura Y, Ito T, Nagamatsu D, Asaki T, Horita N, Yamamoto M, Hinata M, Soga M, Imai M, Morioka Y, Kanemasa T, Sakaguchi G, Iso Y. Discovery of novel 2′,4′-dimethyl-[4,5′-bithiazol]-2-yl amino derivatives as orally bioavailable TRPV4 antagonists for the treatment of pain: Part 2. Bioorg Med Chem Lett 2016; 26:4936-4941. [DOI: 10.1016/j.bmcl.2016.09.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/30/2016] [Accepted: 09/06/2016] [Indexed: 12/12/2022]
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Tafesse L, Kanemasa T, Kurose N, Yu J, Asaki T, Wu G, Iwamoto Y, Yamaguchi Y, Ni C, Engel J, Tsuno N, Patel A, Zhou X, Shintani T, Brown K, Hasegawa T, Shet M, Iso Y, Kato A, Kyle DJ. Structure–Activity Relationship Studies and Discovery of a Potent Transient Receptor Potential Vanilloid (TRPV1) Antagonist 4-[3-Chloro-5-[(1S)-1,2-dihydroxyethyl]-2-pyridyl]-N-[5-(trifluoromethyl)-2-pyridyl]-3,6-dihydro-2H-pyridine-1-carboxamide (V116517) as a Clinical Candidate for Pain Management. J Med Chem 2014; 57:6781-94. [DOI: 10.1021/jm500818a] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Laykea Tafesse
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Toshiyuki Kanemasa
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Noriyuki Kurose
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Jianming Yu
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Toshiyuki Asaki
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Gang Wu
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Yuka Iwamoto
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Yoshitaka Yamaguchi
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Chiyou Ni
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - John Engel
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Naoki Tsuno
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Aniket Patel
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Xiaoming Zhou
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Takuya Shintani
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Kevin Brown
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Tsuyoshi Hasegawa
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Manjunath Shet
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
| | - Yasuyoshi Iso
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Akira Kato
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 3-1-1 Futaba-chow, Toyonaka, Osaka, Japan
| | - Donald J. Kyle
- Discovery
Research, Purdue Pharma LP, 6 Cedar Brook Drive, Cranbury, New Jersey 08512, United States
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Kusakabe KI, Iso Y, Tada Y, Sakagami M, Morioka Y, Chomei N, Shinonome S, Kawamoto K, Takenaka H, Yasui K, Hamana H, Hanasaki K. Selective CB2 agonists with anti-pruritic activity: discovery of potent and orally available bicyclic 2-pyridones. Bioorg Med Chem 2013; 21:3154-63. [PMID: 23623258 DOI: 10.1016/j.bmc.2013.03.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 03/15/2013] [Accepted: 03/16/2013] [Indexed: 01/24/2023]
Abstract
The CB2 receptor has emerged as a potential target for the treatment of pruritus as well as pain without CB1-mediated side effects. We previously identified 2-pyridone derivatives 1 and 2 as potent CB2 agonists; however, this series of compounds was found to have unacceptable pharmacokinetic profiles with no significant effect in vivo. To improve these profiles, we performed further structural optimization of 1 and 2, which led to the discovery of bicyclic 2-pyridone 18e with improved CB2 affinity and selectivity over CB1. In a mouse pruritus model, 18e inhibited compound 48/80 induced scratching behavior at a dose of 100 mg/kg. In addition, the docking model of 18e with an active-state CB2 homology model indicated the structural basis of its high affinity and selectivity over CB1.
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MESH Headings
- Administration, Oral
- Animals
- Antipruritics/chemical synthesis
- Antipruritics/pharmacokinetics
- Antipruritics/pharmacology
- Behavior, Animal/drug effects
- Bridged Bicyclo Compounds/chemical synthesis
- Bridged Bicyclo Compounds/pharmacokinetics
- Bridged Bicyclo Compounds/pharmacology
- CHO Cells
- Cricetulus
- Disease Models, Animal
- Drug Discovery
- Mice
- Mice, Inbred ICR
- Molecular Docking Simulation
- Pruritus/drug therapy
- Pruritus/metabolism
- Pruritus/physiopathology
- Pyridones/chemical synthesis
- Pyridones/pharmacokinetics
- Pyridones/pharmacology
- Receptor, Cannabinoid, CB1/chemistry
- Receptor, Cannabinoid, CB2/agonists
- Receptor, Cannabinoid, CB2/chemistry
- Receptor, Cannabinoid, CB2/metabolism
- Structure-Activity Relationship
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Affiliation(s)
- Ken-ichi Kusakabe
- Medicinal Research Laboratories, Shionogi Pharmaceutical Research Center, 11-1 Futaba-cho 3-chome, Toyonaka, Osaka 561-0825, Japan.
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11
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Kusakabe KI, Tada Y, Iso Y, Sakagami M, Morioka Y, Chomei N, Shinonome S, Kawamoto K, Takenaka H, Yasui K, Hamana H, Hanasaki K. Design, synthesis, and binding mode prediction of 2-pyridone-based selective CB2 receptor agonists. Bioorg Med Chem 2013; 21:2045-55. [PMID: 23395112 DOI: 10.1016/j.bmc.2013.01.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 01/05/2013] [Accepted: 01/07/2013] [Indexed: 11/27/2022]
Abstract
Selective CB2 agonists have the potential for treating pain without central CB1-mediated adverse effects. Screening efforts identified 1,2-dihydro-3-isoquinolone 1; however, this compound has the drawbacks of being difficult to synthesize with two asymmetric carbons on an isoquinolone scaffold and of having a highly lipophilic physicochemical property. To address these two major problems, we designed the 2-pyridone-based lead 15a, which showed moderate affinity for CB2. Optimization of 15a led to identification of 39f with high affinity for CB2 and selectivity over CB1. Prediction of the binding mode of 39f in complex with an active-state CB2 homology model provided structural insights into its high affinity for CB2.
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Affiliation(s)
- Ken-ichi Kusakabe
- Medicinal Research Laboratories, Shionogi Pharmaceutical Research Center, 11-1 Futaba-cho 3-chome, Toyonaka, Osaka 561-0825, Japan.
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12
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Iso Y, Sawada T, Kato M, Kita J, Shimoda M, Kubota K. 2513 POSTER Pancreatoduodenectomy With Portal Vein Resection and Recontruction. Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)71069-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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13
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Iwasaki Y, Ishizuka M, Iso Y, Katoh M, Kita J, Shimoda M, Sawada T, Kubota K. Usefulness of inflammation-based prognostic score for predicting survival and biliary stent patency in patients with unresectable malignant biliary obstruction. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e14667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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14
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Mori S, Sawada T, Shimoda M, Kato M, Iwasaki Y, Iso Y, Rokkaku K, Kita J, Kubota K. QS32. Erythropoietin, an Extrahematopoietic Cytokine: Basic and Clinical Research. J Surg Res 2009. [DOI: 10.1016/j.jss.2008.11.324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Suzuki H, Kusuyama T, Sato R, Yokota Y, Tsunoda F, Sato T, Shoji M, Iso Y, Koba S, Katagiri T. Elevation of matrix metalloproteinases and interleukin-6 in the culprit coronary artery of myocardial infarction. Eur J Clin Invest 2008; 38:166-73. [PMID: 18257779 DOI: 10.1111/j.1365-2362.2007.01919.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND Interleukin-6 (IL-6) and metalloproteinases (MMPs) are involved in the instability of vulnerable plaque associated with the induction of acute myocardial infarction (AMI). We examined the regional changes of cytokines, MMPs and adhesion molecules in patients with AMI to elucidate how these factors are involved in the onset of AMI. MATERIALS AND METHODS One hundred and twenty-two patients with AMI were included. Blood was aspirated from the culprit coronary artery with a thrombectomy catheter, and was also sampled from peripheral veins during the coronary intervention. Control samples were obtained from the peripheral blood of age-matched patients. RESULTS The serum levels of IL-6 (P < 0.05), tumour necrosis factor-alpha (P < 0.005), MMP-1 (P < 0.001), MMP-13 (P < 0.001), soluble intercellular adhesion molecule-1 (P < 0.005), and soluble vascular cellular adhesion molecule-1 (P < 0.05) in peripheral blood were significantly higher in the AMI group than in the controls. Aspirated serum contained significantly higher levels of IL-6 (P < 0.001), MMP-1 (P < 0.001), and MMP-13 (P < 0.05) compared to the peripheral blood of AMI. Serum IL-6 levels were significantly higher in the aspirated than in the peripheral blood in the patients hospitalized within 6 h and 6-12 h, but were similar in the aspirated and peripheral blood of the patients hospitalized 12-24 h after the onset of AMI. There were no differences between the aspirated serum and peripheral blood in the levels of interleukin-1beta and MMP-2. CONCLUSIONS The levels of MMP-1, MMP-13 and IL-6 were higher in the culprit coronary artery than in the peripheral blood. These factors appear to be involved in the early stage of AMI.
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Affiliation(s)
- H Suzuki
- Third Department of Internal Medicine, Showa University School of Medicine, Hatanodai, Shinagawa-ku, Tokyo, Japan.
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Iso Y, Sawada T, Rokkaku K, Furihata T, Shimoda M, Kita J, Kubota K. A case of symptomatic Morgagni's hernia and a review of Morgagni's hernia in Japan (263 reported cases). Hernia 2006; 10:521-4. [PMID: 16912844 DOI: 10.1007/s10029-006-0123-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2006] [Accepted: 07/13/2006] [Indexed: 10/24/2022]
Abstract
An 81-year-old female patient was admitted to the emergency room of our hospital with complaints of respiratory distress, abdominal ache, nausea, and intermittent vomiting. A plain X-ray of the abdomen and chest revealed air-fluid levels on the abdomen and the right side of the chest. Laboratory tests showed severe acidemia with a blood base excess level of -24.9 mmol/L. Since the patient was considered to have acute intestinal obstruction due to transverse colon herniation into the thorax through a foramen of Morgagni, emergency surgery was performed. Operative findings revealed that the retrosternal diaphragm had a defect of 5 cm in diameter and 20 cm in length with the transverse colon herniated into the thorax. The diaphragm defect was sutured first, and partial resection of the transverse colon was performed. After the operation, the patient had no symptoms and no recurrence has been observed during the 1-year follow-up. There have been 263 reported cases of Morgagani hernia in Japan. The case of the Morgagni hernia is reported here with some bibliographical comments.
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Affiliation(s)
- Y Iso
- Second Department of Surgery, Dokkyo University School of Medicine, 880 Mibu, Tochigi 321-0293, Japan.
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Jayaprakash S, Iso Y, Wan B, Franzblau S, Kozikowski A. Design, Synthesis, and SAR Studies of Mefloquine-Based Ligands as Potential Antituberculosis Agents. ChemMedChem 2006. [DOI: 10.1002/cmdc.200690024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Jayaprakash S, Iso Y, Wan B, Franzblau SG, Kozikowski AP. Design, Synthesis, and SAR Studies of Mefloquine-Based Ligands as Potential Antituberculosis Agents. ChemMedChem 2006; 1:593-7. [PMID: 16892398 DOI: 10.1002/cmdc.200600010] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sarva Jayaprakash
- Drug Discovery Program, Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 South Wood Street, Chicago, IL 60612, USA
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Jayaprakash S, Iso Y, Wan B, Franzblau S, Kozikowski A. Cover Picture: Design, Synthesis, and SAR Studies of Mefloquine-Based Ligands as Potential Antituberculosis Agents (ChemMedChem 6/2006). ChemMedChem 2006. [DOI: 10.1002/cmdc.200690018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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20
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Iso Y, Grajkowska E, Wroblewski JT, Davis J, Goeders NE, Johnson KM, Sanker S, Roth BL, Tueckmantel W, Kozikowski AP. Synthesis and Structure−Activity Relationships of 3-[(2-Methyl-1,3-thiazol-4-yl)ethynyl]pyridine Analogues as Potent, Noncompetitive Metabotropic Glutamate Receptor Subtype 5 Antagonists; Search for Cocaine Medications. J Med Chem 2006; 49:1080-100. [PMID: 16451073 DOI: 10.1021/jm050570f] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Recent genetic and pharmacological studies have suggested that the metabotropic glutamate receptor subtype 5 (mGluR5) may represent a druggable target in identifying new therapeutics for the treatment of various central nervous system disorders including drug abuse. In particular, considerable attention in the mGluR5 field has been devoted to identifying ligands that bind to the allosteric modulatory site, distinct from the site for the primary agonist glutamate. Both 2-methyl-6-(phenylethynyl)pyridine (MPEP) and its analogue 3-[(2-methyl-4-thiazolyl)ethynyl]pyridine (MTEP) have been shown to be selective and potent noncompetitive antagonists of mGluR5. Because of results presented in this study showing that MTEP prevents the reinstatement of cocaine self-administration caused by the presentation of environmental cues previously associated with cocaine availability, we have prepared a series of analogues of MTEP with the aim of gaining a better understanding of the structural features relevant to its antagonist potency and with the ultimate aim of investigating the effects of such compounds in blunting the self-administration of cocaine. These efforts have led to the identification of compounds showing higher potency as mGluR5 antagonists than either MPEP or MTEP. Two compounds 19 and 59 exhibited functional activity as mGluR5 antagonists that are 490 and 230 times, respectively, better than that of MTEP.
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Affiliation(s)
- Yasuyoshi Iso
- Drug Discovery Program, Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 South Wood Street, Chicago, IL 60612, USA
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21
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Iso Y, Kozikowski AP. Synthesis of 4-Arylethynyl-2-methyloxazole Derivatives as mGluR5 Antagonists for Use in the Treatment of Drug Abuse. SYNTHESIS-STUTTGART 2006. [DOI: 10.1055/s-2005-918503] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Suzuki H, Iso Y, Kusuyama T, Omori Y, Soda T, Sato T, Shoji M, Koba S, Geshi E, Katagiri T. Neutrophil and erythroblast regulate the effects of bone marrow cell implantation. Eur J Clin Invest 2006; 36:65-6. [PMID: 16403012 DOI: 10.1111/j.1365-2362.2006.01590.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Iso Y, Sawada T, Kubota K. Images of interest. Hepatobiliary and pancreatic: massive splenomegaly. J Gastroenterol Hepatol 2005; 20:1942. [PMID: 16336459 DOI: 10.1111/j.1440-1746.2005.04186.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- Y Iso
- Second Department of Surgery, Dokkyo University, School of Medicine, Tochigi, Japan
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24
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Abstract
BACKGROUND Low-density lipoprotein (LDL) particle size is strongly affected by both fasting and postprandial triglyceride levels. We report here that the LDL phenotype shifts toward the smaller phenotype during oral fat tolerance tests (OFTTs) in some patients with myocardial infarction (MI); a condition closely associated with postprandial increases of triglyceride and remnant-like particles (RLPs). METHODS Oral fat tolerance tests were performed on 63 MI patients with fasting serum triglyceride levels of less than 2.25 mmol L-1 (= 200 mg dL-1). Remnant-like particles and other serum lipids were compared among patients characterized by three LDL phenotypes based on nondenaturing gradient gel electrophoresis: pattern A (large LDLs, peak LDL particle size > or = 260 A), pattern I (intermediate-sized LDLs, LDL size > 255 A, < 260 A), and pattern B (small, dense LDLs, LDL size < or = 255 A). RESULTS The LDL size decreased significantly in patients with the highest tertile of areas under the incremental curves (AUICs) of triglycerides above the fasting levels. The LDL phenotype shifted toward the smaller phenotype after a fat load in three of eight patients with pattern A and in seven of 35 patients with pattern I. The AUICs of triglyceride-rich lipoproteins were significantly higher in these patients than in the patients exhibiting little change in LDL size, whereas the fasting metabolic parameters were similar among the patients of the same LDL phenotype in the fasting state. CONCLUSION These results suggest that alimentary lipaemia plays an important role in the remodeling of LDL particles into the more atherogenic small, dense LDLs in patients with MI.
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Affiliation(s)
- S Koba
- 3rd Department of Emergency Medicine, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan.
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25
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Tsunoda F, Koba S, Hirano T, Ban Y, Iso Y, Suzuki H, Geshi E, Katagiri T. 1P-0026 Association with small dense LDL phenotype on postprandial lipemia in patients with acute myocardial infarction. ATHEROSCLEROSIS SUPP 2003. [DOI: 10.1016/s1567-5688(03)90101-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Yorozuya M, Takeyama Y, Iso Y, Shibata M, Nakatani M, Koba S, Suzuki H, Murakami M, Katagiri T. [Morphological and histological studies of in-stent restenosis in seven types of stents implanted in porcine coronary arteries]. J Cardiol 2001; 38:273-80. [PMID: 11729727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
OBJECTIVES Differences in the mechanism of restenosis after stenting between coil and tubular stents were examined in porcine coronary arteries using histological and immunohistochemical methods. METHODS Twenty-four pigs underwent balloon-induced injury in the left anterior descending coronary artery. Two weeks later, seven different stents clinically available in Japan (Coil stents: GR I, GR II, Wiktor, Cordis; Tubular stents: gfx, Multilink, Palmaz-Schatz) were implanted in the injured site. Four weeks after the stent implantation, the pigs were sacrificed for histological examination and for morphometrical analysis of the lumen, neointima, media and adventitia. Immunohistochemical studies using anti-proliferating cell nuclear antigen (PCNA), anti-alpha-smooth muscle actin and anti-macrophage antibody were also performed. RESULTS The coil stents formed eccentric, and the tubular stents formed concentric neointimal proliferation. Although there was no difference in the area of neointima between the stents, the area of lumen in the tubular stents was bigger than that in the coil stents (p < 0.01), because the vascular area was bigger in the tubular stents (p < 0.05). Immunohistochemical examination found many PCNA-positive cells in the proliferated neointima, especially in the area around the stent strut. Many of these cells around the stent strut were positively stained by anti-macrophage antibody. Other cells positively stained for PCNA were confirmed as smooth muscle cells. CONCLUSIONS Tubular stents maintained a wider lumen than coil stents, because negative remodeling after stenting was less in the tubular stents. Implantation of stents with less negative remodeling is very important to prevent restenosis after stenting.
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Affiliation(s)
- M Yorozuya
- Third Department of Internal Medicine, Showa University School of Medicine, Hatanodai 1-5-8, Shinagawa-ku, Tokyo 142-8666
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27
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Aoyama Y, Uenaka M, Konoike T, Iso Y, Nishitani Y, Kanda A, Naya N, Nakajima M. Corrigendum to “synthesis and structure–activity relationships of a new class of 1-oxacephem-based human chymase inhibitors” [Bioorg. Med. Chem. Lett. 11 (2001) 2397]†. Bioorg Med Chem Lett 2001. [DOI: 10.1016/s0960-894x(01)00370-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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28
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29
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Aoyama Y, Uenaka M, Konoike T, Iso Y, Nishitani Y, Kanda A, Naya N, Nakajima M. 1-Oxacephem-based human chymase inhibitors: discovery of stable inhibitors in human plasma. Bioorg Med Chem Lett 2000; 10:2403-6. [PMID: 11078188 DOI: 10.1016/s0960-894x(00)00489-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
1-Oxacephem derivatives were evaluated as a novel series of chymase inhibitors. The structure-activity relationship studies of 1-oxacephems led to compounds 15, which exhibited 27 nM inhibition of human chymase and improvement of stability in human plasma (t 1/2 1.5 h).
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Affiliation(s)
- Y Aoyama
- Shionogi Research Laboratories, Shionogi & Co., Ltd, Osaka, Japan.
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30
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Aoyama Y, Uenaka M, Konoike T, Iso Y, Nishitani Y, Kanda A, Naya N, Nakajima M. Synthesis and structure-activity relationships of a new class of 1-oxacephem-based human chymase inhibitors. Bioorg Med Chem Lett 2000; 10:2397-401. [PMID: 11078187 DOI: 10.1016/s0960-894x(00)00488-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
1-Oxacephem derivatives were synthesized and evaluated as a novel series of chymase inhibitors. Structure-activity relationship studies of 1-oxacephems led to compound 34, which exhibited 6 nM inhibition of human chymase and high selectivity for human chymase compared to other serine enzymes.
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Affiliation(s)
- Y Aoyama
- Shionogi Research Laboratories, Shionogi & Co., Ltd, Osaka, Japan.
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31
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32
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Abstract
BACKGROUND Obstructing left-sided colon cancer is now managed by immediate resection and primary anastomosis using intraoperative mechanical bowel irrigation. The aim of this study was to describe our new technique using a long tube for preoperative bowel decompression and intraoperative antegrade irrigation. METHODS A long nasointestinal tube was inserted and a balloon was inflated with distilled water. The tube gradually went forward to the ileum end by peristalsis, and the small intestine became fully decompressed. At operation, antegrade colonic irrigation with warm saline was performed through this long tube without insertion of a Foley catheter. RESULTS Immediate colonic resection and primary end-to-end anastomosis using layer-to-layer interrupted sutures was successfully performed in 4 patients with obstructing sigmoid colon cancer. CONCLUSIONS This method avoids opening and closure of the cecum or ileum, and minimizes bacterial contamination. The technique is simple and easy, and useful for immediate resection and primary anastomosis of obstructing left-sided colon cancer.
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Affiliation(s)
- Y Adachi
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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33
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Matsumata T, Shikada Y, Hasuda S, Kishihara F, Suehiro T, Funahashi S, Nagamatsu Y, Iso Y, Shima I, Koga C, Osamura S, Ueda M, Furuya K, Sakino I. [Colorectal cancer in spouses of colorectal cancer patients]. Fukuoka Igaku Zasshi 2000; 91:133-40. [PMID: 10916943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Married couples share home environments and life style for years. In the case of colorectal cancer, an association with insulin resistance was reported. We determined the presence of the insulin-resistance syndrome (IRS, 1 or more of the following: body mass index of > 25 kg/m2, diabetes, or hyperlipidemia) in 84 colorectal cancer patients, of whom 61 patients (73%) had IRS. The incidence of the distal colorectal cancer, which has been declining in the United States, was significantly higher in the IRS group than in the non-IRS group (75.4 vs 52.2%, p = 0.0400). Some mechanisms may promote the progression of mucosal lesions to invasive cancers in the distal colorectum. There were no significant differences with respect to the age (64.6 +/- 9.4 vs 64.3 +/- 11.3 yr, p = 0.8298), height (159 +/- 9 vs 157 +/- 8 cm, p = 0.1375), and body mass index (22.2 +/- 3.6 vs 22.4 +/- 2.7 kg/m2, p = 0.6364) between the patients and their spouses. In 84 couples in whom colorectal cancer develops at least in one may then not illustrate the nursery rhyme: "Jack Sprat could eat no fat, His wife could eat no lean...". The spouses had been married for an average of 38 years, and in 30 spouses who had been followed in a colorectal cancer screening, 5 developed colorectal cancer. To diminish the incidence of colorectal cancer in Japan, we might advise screening colonoscopy to the spouses of colorectal cancer patients, or déjà vu all over again?
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Affiliation(s)
- T Matsumata
- Department of Surgery, Saiseikai Yahata General Hospital, Fukuoka, Japan
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34
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Adachi Y, Shiota E, Matsumata T, Iso Y, Yoh R, Kitano S. Osteoporosis after gastrectomy: bone mineral density of lumbar spine assessed by dual-energy X-ray absorptiometry. Calcif Tissue Int 2000; 66:119-22. [PMID: 10652959 DOI: 10.1007/s002230010025] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although osteoporosis is a common clinical disorder associated with gastric surgery, long-term effects of gastrectomy on bone metabolism are still unclear. The purpose of this study was to clarify the incidence and risk factors of osteoporosis after gastrectomy using univariate and multivariate analyses of quantitative measurements. The study included 59 patients who had undergone gastrectomy more than 5 years before. There were 38 men and 21 women, aged 37-81 years, mean 64 years. Bone mineral density (BMD) of L2-L4 spine was measured using dual-energy X-ray absorptiometry (DXA). Absolute value of BMD (g/cm2) and age- and sex-matched BMD (%) were given. The mean BMD was 0.766 g/cm2, and the incidence of osteoporosis (BMD less than 0.70 g/cm2) was 37%: 18% in men and 71% in women. The mean age- and sex-matched BMD was 85.9%: 87.5% in men and 83.1% in women. Univariate and multivariate analyses revealed that BMD was significantly associated with the age and sex of patients, but was not influenced by the type of gastrectomy (partial versus total) and years after operation (< 20 versus 20 <). Our study clarified the fact that postgastrectomy osteoporosis was frequent in the aged or female patients. BMD should be evaluated after gastrectomy, especially in the aged and in women.
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Affiliation(s)
- Y Adachi
- First Department of Surgery, Oita Medical University, Japan
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35
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Ikeda H, Fuji K, Tanaka K, Iso Y, Yoneda F. DNA oligomers having a diazapyrenium dication (DAP2+); synthesis and DNA cleavage activities. Chem Pharm Bull (Tokyo) 1999; 47:1455-63. [PMID: 10553642 DOI: 10.1248/cpb.47.1455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Aiming at the creation of functionalized antisense DNA oligomers possessing site-selective DNA cleaving activity, viologen and a related compound, diazapyrenium dication (DAP2+), were selected and introduced into oligodeoxyribonucleotides as a functionalized molecule. The conjugation of these functionalized molecules with DNA proceeded smoothly by using standard H-phosphonate chemistry. A part of the DAP(2+)-tethered DNA oligomers was synthesized by a combination of solid support method and liquid phase technique. Viologen-tethered DNA oligomers showed no significant activity toward DNA cleavage in spite of their characteristic ESR spectra. On the other hand, it was observed that the DAP(2+)-tethered DNA oligomers formed more stable duplexes with their complementary strands than the corresponding wild type, and these molecules effectively cleaved the complementary strands at the specific site of 2-3 bases away from the modified phosphoramidate linkage. The effect of position and length of the linker arm on the selectivity in the cleavage reaction was also investigated, and it was found that introduction at the 3'- or 5'-end phosphate site is more favorable, probably due to duplex stabilization.
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Affiliation(s)
- H Ikeda
- Institute for Chemical Research, Kyoto University, Japan
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36
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Nozoe T, Adachi Y, Sakino I, Kitamura M, Funahashi S, Iso Y, Matsumata T, Sugimachi K. Volvulus of the ileum in adult diagnosed pre-operatively by helical 3-dimensioned computed-tomography. Hepatogastroenterology 1999; 46:2434-5. [PMID: 10522013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
A 46 year-old male who was strictly diagnosed as having volvulus of the ileum based on the pre-operative information brought by computed tomography (CT) and helical (spiral) 3-dimensioned computed tomography was surgically treated. The post-operative course was satisfactory and the patient is now under observation without any exacerbation of symptoms one year after surgery.
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Affiliation(s)
- T Nozoe
- Department of Gastroenterology and Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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37
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Abstract
Lymph node metastasis determined by histologic examination is an important prognostic indicator in gastric carcinoma. However, prognostic value of lymph node metastasis detected by computed tomography (CT) is unknown. The aim of this study was to evaluate clinical results and prognostic factors of patients with radiologically node-positive gastric carcinoma. The study included 78 patients with primary gastric carcinoma and lymph node metastasis confirmed by CT. The level of lymph node metastasis was simply graded as follows: level I included perigastric nodes; level II included intermediate nodes along the left gastric, common hepatic, and celiac arteries; and level III included distant nodes along the hepatoduodenal ligament, pancreas, spleen, and abdominal aorta. Sixty patients (79%) had stage IV tumors showing one or more of the following: level III lymph node metastasis in 37, pancreatic invasion in 27, peritoneal dissemination in 23, and liver metastasis in 19. Overall 1- and 5-year survival rates were 29% and 6%, respectively, and the 1-year survival rate was significantly influenced by the level of lymph node metastasis on CT (55% for level I, 27% for level II, 7% for level III, P < 0.01). In patients with gastrectomy, prognostic factors were tumor size (<10 cm versus >10 cm, P < 0.01), gross type (localized versus infiltrative, P < 0.01), histologic type (well differentiated versus poorly differentiated, P < 0.01), and curability of the disease (curative versus noncurative, P < 0.01). Our study indicates that prognosis of patients with radiologically node-positive gastric carcinoma is poor because of high frequency of extensive tumor spreads. Patients having only positive level I nodes on CT are candidates for curative gastrectomy, which may offer long-term survival.
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Affiliation(s)
- Y Adachi
- First Department of Surgery, Oita Medical University, Japan
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38
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Nozoe T, Kuriyama A, Kitamura M, Iso Y, Okita K, Matsumata T, Kasai T, Hashimoto H, Sugimachi K. Carcinoid tumor of the ileum with intestinal obstruction. Hepatogastroenterology 1999; 46:1013-5. [PMID: 10370659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
An 83 year-old female presenting with intestinal obstruction due to a carcinoid tumor of the small intestine is herein reported. The intra-operative findings revealed a stenotic lesion and ischemic changes of the ileum. A segmental jejunotomy was performed and a submucosal tumor was recognized as a causal lesion. Histopathological investigation demonstrated the features of carcinoid tumor.
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Affiliation(s)
- T Nozoe
- Department of Gastroenterology and Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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39
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Nozoe T, Funahashi S, Kitamura M, Ishikawa H, Suehiro T, Iso Y, Matsumata T, Sugimachi K. Ileus with incarceration of Spigelian hernia. Hepatogastroenterology 1999; 46:1010-2. [PMID: 10370658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
An 85 year-old female with ileus due to incarceration of Spigelian hernia, which was diagnosed pre-operatively with the findings of the abdominal computed tomography and plain radiographic pictures, is reported. A simple hernioplasty was made by suturing the internal oblique and transverse muscles to the rectus sheath. The post-operative condition is satisfactory without any recurrence of hernia.
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Affiliation(s)
- T Nozoe
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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40
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Nozoe T, Kitamura M, Adachi Y, Funahashi S, Yoh R, Iso Y, Matsumata T, Sugimachi K. Successful conservative treatment for esophageal perforation by a fish bone associated with mediastinitis. Hepatogastroenterology 1998; 45:2190-2. [PMID: 9951892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
A 74 year-old man presenting with esophageal perforation associated with mediastinitis due to the swallowing of a fish bone is reported herein. Conservative treatment, including starvation therapy and the injection of antibiotic drugs, proved to be successful for this patient. Although the optimal treatment for esophageal perforation remains controversial, it is important to choose the appropriate strategies when treating cases of esophageal perforation with mediastinitis.
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Affiliation(s)
- T Nozoe
- Department of Gastroenterology and Surgery, Saiseikai Yahata General Hospital, Kitakyushu City, Japan
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41
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Abstract
Osteoporosis after gastrectomy is a common clinical disorder. In gastrectomized patients, decreased gastric acidity may be associated with impaired calcium absorption. This study was undertaken to determine whether patients with chronic use of H2-receptor antagonists (HRA) had demonstrable decreases in bone mineral density (BMD). Thirty-three patients taking cimetidine, ranitidine, or famotidine for more than 2 years were analyzed. We measured BMD of L2-L4 using dual energy X-ray absorptiometry (DXA). Osteoporosis (BMD less than 0.70 g/cm2) was found only in three patients (9%). As compared with healthy controls, age- and sex-matched BMD ranged from 74.4% to 132.9%, with a mean of 97.0%, and was not influenced by the period of HRA use (<5 years versus >5 years or more). Although the age- and sex-matched BMD was different among the kinds of HRA (98.6% for cimetidine, 101.3% for ranitidine, and 85.5% for famotidine), the relationship between the BMD and type of drug was not significant by multivariate analysis. These results indicate that chronic use of HRA has little influence on the degree of BMD, and suggest that decreased gastric acidity is not always associated with osteoporosis after gastrectomy.
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Affiliation(s)
- Y Adachi
- First Department of Surgery, Oita Medical University, 1-1 Idaigaoka, Hasama-machi, Oita 879-55, Japan
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42
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Matsumata T, Okamoto M, Ishikawa H, Nozoe T, Suehiro T, Funahashi S, Kitamura M, Yo R, Iso Y, Maeda T. [Necrosis of the hepatocellular carcinoma nodule can aggravate metastasis]. Nihon Geka Gakkai Zasshi 1998; 99:197-200. [PMID: 9614302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Since the stroma of hepatocellular carcinoma is composed of sinusoid-like structures, cancer cells are readily released from the primary tumor with possible injurious consequences. A 63-year-old woman with hepatocellular carcinoma underwent percutaneous ethanol injection therapy. During this treatment, tumor thrombus developed in the right hepatic vein. Partial hepatic resection was performed. Six months later, multiple nodules appeared in the lung fields. Partial necrosis may have allowed the release of cancer cells from the primary tumor. Perioperative therapy should have an effect on intrahepatic micrometastases, because removal of the main tumor can be done surgically.
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Affiliation(s)
- T Matsumata
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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43
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Adachi Y, Iso Y, Moriyama M, Kasai T, Hashimoto H. Increased serum CA19-9 in patients with xanthogranulomatous cholecystitis. Hepatogastroenterology 1998; 45:77-80. [PMID: 9496491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We present three cases of xanthogranulomatous cholecystitis (XGC) with an increased serum carbohydrate antigen 19-9 (CA19-9). All of the patients were elderly females and had gallstones lodged in the neck of the gallbladder. Preoperative serum CA19-9 levels were 709 U/ml, 87 U/ml, and 400 U/ml, respectively. A cholecystectomy with or without bile duct exploration was performed, and the histological diagnosis of XGC was made. Serum CA19-9 levels fell to normal levels in two patients who recovered uneventfully, but rose again in one patient who died of cholangitis. Clinicians must remember that XGC is a possible cause of increased serum CA19-9 levels.
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Affiliation(s)
- Y Adachi
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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44
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45
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Abstract
Advances in imaging techniques have made pre-operative diagnosis of splenic tumors possible. A case of successful laparoscopic splenectomy for splenic hamartoma is described here and the indications of this technique are discussed.
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Affiliation(s)
- T Yoshizumi
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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46
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Adachi Y, Sakino I, Matsumata T, Iso Y, Yoh R, Kitano S, Okudaira Y. Preoperative assessment of advanced gastric carcinoma using computed tomography. Am J Gastroenterol 1997; 92:872-5. [PMID: 9149204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES The role of computed tomography (CT) for the staging of gastric carcinoma is controversial. The purpose of this study was to evaluate the utility of CT in assessing the perigastric spread of advanced gastric carcinoma. METHODS The study included 56 patients who underwent dynamic CT and laparotomy for the treatment of node-positive gastric adenocarcinoma. Preoperative CT findings were compared with surgical findings, and diagnostic accuracy was estimated. RESULTS Sensitivity, specificity, and accuracy of preoperative CT in determining the perigastric tumor spreads were 33, 97, and 73% in pancreatic invasion, 36, 97, and 70% in level III lymph node involvement, and 89, 98, and 96% in liver metastasis. Peritoneal dissemination was not detected in 15 of 56 patients (27%), and stage IV disease was not diagnosed correctly in 18 of 40 patients (45%). CONCLUSIONS Radiologists and surgeons must remember that pancreatic invasion, extended lymph node metastasis, and peritoneal dissemination are sometimes overlooked in CT examination in patients with advanced gastric carcinoma.
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Affiliation(s)
- Y Adachi
- First Department of Surgery, Oita Medical University, Hasamamachi, Japan
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47
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Iso Y, Kawanaka H, Tomikawa M, Matsumata T, Kitano S, Sugimachi K. Repeated injection sclerotherapy is preferable to combined therapy with variceal ligation to avoid recurrence of esophageal varices:--a prospective randomized trial. Hepatogastroenterology 1997; 44:467-71. [PMID: 9164520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND/AIMS The aim of this prospective randomized study is to investigate the safety, efficacy, complications and recurrence of varices after repeated endoscopic injection sclerotherapy (EIS), and combined therapy of endoscopic variceal ligation (EVL) and repeated EIS, for the treatment of esophageal varices. MATERIAL AND METHODS Sixty-one consecutively treated cirrhotic patients were examined. Thirty patients were placed randomly in the EIS group and the other 31 in the EVL+EIS group. For the EIS group, EIS was repeated at weekly intervals using 5% ethanol- amine oleate (EO) until all the varices had been eradicated. In the EVL+EIS group, EVL was done at the initial session, then EIS was repeated at weekly intervals from one week after EVL. RESULTS There was no significant difference between the EIS and EVL+EIS groups with regard to the rate of eradication (80.0% vs 74.2%), the total number of treatment (4.1 +/- 0.8 sessions of EIS vs EVL and 3.0 +/- 0.5 sessions of EIS) and hospitalization time (4.9 +/- 1.6 vs 4.4 +/- 1.0 weeks). The total volume of EO used for the EVL+EIS group was significantly less than that for the EIS group (26.3 +/- 8.3 vs 47.1 +/- 11.6 ml, p < 0.01) and the incidence of minor complications at the initial treatment in the EVL+EIS group was significantly (p < 0.01) lower than that in the EIS group. Follow-up endoscopy showed that the rate of attaining circumferential ulceration and the following fibrotic scarring in the EVL+EIS group was significantly lower than that in the EIS group (21.7% vs 91.7%, p < 0.01) and that the incidence of variceal recurrence was significantly higher in the EVL+EIS group than in the EIS group (39.1% vs 8.3%, p < 0.05) over a median follow-up of 12.3 months. CONCLUSION The combined therapy of EVL and repeated EIS seems favorable from the viewpoint of fewer complications, but repeated EIS is preferable to combined therapy to avoid recurrence of the esophageal varices.
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Affiliation(s)
- Y Iso
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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48
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Iso Y, Kusaba I, Matsumata T, Okita K, Murakami N, Nozoe T, Funahashi S, Adachi Y, Yoh R, Sugimachi K. Postoperative bile peritonitis caused by division of an aberrant bile duct in the left triangular ligament of the liver. Am J Gastroenterol 1996; 91:2428-30. [PMID: 8931433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A 61-yr-old man underwent Billroth I gastrectomy for an advanced cancer in the corpus of the stomach. On the first postoperative day, fresh bile discharged from the penrose drains, which had been placed in Winslow's foramen, and the volume of bile discharge subsequently increased. Leakage from the gastroduodenal anastomosis was excluded by gastroduodenography. Exploratory relaparotomy showed bile peritonitis with much more bile retention in the left subphrenic space. The origin of bile leakage could not be traced despite close examination of all the extrahepatic biliary tract and the liver surface. Intraoperative cholangiography through the cystic duct after cholecystectomy revealed that the bile leakage originated from an aberrant bile duct present in the free edge of the left triangular ligament (appendix fibrosa hepatis), which had been unintentionally cut at the primary operation. Knowledge of this anatomical structure is important and proper ligation is recommended when dissecting the appendix fibrosa hepatis to avoid postoperative bile peritonitis and the need for a relaparotomy.
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Affiliation(s)
- Y Iso
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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Abstract
Epstein-Barr virus (EBV) is associated with certain types of gastric carcinoma. We report a case of EBV-positive undifferentiated carcinoma of the stomach in a 59-year-old woman with a well-demarcated ulcerating tumor in the gastric body. Examination of the resected stomach revealed that the tumor was undifferentiated carcinoma with lymphoid stroma, or lymphoepithelioma-like carcinoma. Tumor cells were positive for EBV by in situ hybridization. Gastroenterologists must keep in mind that localized ulcerating tumors of the stomach histologically seen as undifferentiated carcinnoma with lymphoid stroma are linked to EBV infection.
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Affiliation(s)
- Y Adachi
- Department of Surgery, Saiseikai Yahata General Hospital, Kitakyushu, Japan
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50
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Iso Y, Irie T, Iwaki T, Kii M, Sendo Y, Motokawa K, Nishitani Y. Synthesis and modification of a novel 1 beta-methyl carbapenem antibiotic, S-4661. J Antibiot (Tokyo) 1996; 49:478-84. [PMID: 8682725 DOI: 10.7164/antibiotics.49.478] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We describe an efficient method for introducing a sulfamoylamino group into the C-2' position of pyrrolidine using the Mitsunobu reaction. S-4661, its N-methyl analogues and stereoisomers were synthesized using this method and their structure-activity relationships were investigated.
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Affiliation(s)
- Y Iso
- Shionogi Research Laboratories, Shionogi & Co., Ltd., Osaka, Japan
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