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Ito S, Takahama H, Asakura M, Abe Y, Ajioka M, Anzai T, Arikawa T, Hayashi T, Higashino Y, Hiramitsu S, Iwahashi N, Izumi C, Kimura K, Kinugawa K, Kioka H, Lim YJ, Matsuoka K, Matsuoka S, Motoki H, Nakamura S, Nakayama T, Nomura A, Sasaoka T, Takiuchi S, Toyoda S, Ueda T, Watanabe T, Yamada A, Yamamoto M, Sozu T, Kitakaze M. Efficacy of azilsartan on left ventricular diastolic dysfunction compared with candesartan: J-TASTE randomized controlled trial. Sci Rep 2023; 13:12517. [PMID: 37532820 PMCID: PMC10397297 DOI: 10.1038/s41598-023-39779-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 07/31/2023] [Indexed: 08/04/2023] Open
Abstract
Characterized by ventricular and vascular stiffness, heart failure with preserved ejection fraction (HFpEF) has led to high morbidity and mortality. As azilsartan is an angiotensin receptor blocker with the highest myocardial and vascular affinities, azilsartan may improve the left ventricular (LV) diastolic function in patients with hypertension and either HFpEF or HF with mildly reduced ejection fraction (HFmrEF) more than candesartan. In this randomized, open-label trial, we randomly assigned 193 hypertensive patients with HF and LV ejection fraction ≥ 45% to 20 mg of azilsartan (n = 95) or 8 mg of candesartan (n = 98), once daily for 48 weeks. After the initiation of treatment, changes in the doses of the study drugs were permitted based on the patient's conditions, including blood pressure (median dose at 48 weeks: azilsartan 20.0 mg/day, candesartan 8.0 mg/day). The primary endpoint was the baseline-adjusted change in the ratio of peak early diastolic transmitral flow velocity (E) to early diastolic mitral annular velocity (e') (E/e'). Adjusted least-squares mean (LSM) change in E/e' was - 0.8 (95% confidence interval [CI] - 1.49 to - 0.04) in the azilsartan group and 0.2 (95% CI - 0.49 to 0.94) in the candesartan group, providing the LSM differences of - 1.0 (95% CI - 2.01 to 0.03, P = 0.057). The median change in left atrial volume index was - 2.7 mL/m2 with azilsartan vs 1.4 mL/m2 with candesartan (P = 0.091). The frequency of adverse events related to hypotension and hyperkalemia did not differ between the groups. The current study did not provide strong evidence that azilsartan improves LV diastolic dysfunction, and further confirmatory study is required.
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Affiliation(s)
- Shin Ito
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
- Department of Clinical Medicine and Development, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Hiroyuki Takahama
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masanori Asakura
- Department of Clinical Medicine and Development, National Cerebral and Cardiovascular Center, Osaka, Japan
- Department of Cardiovascular and Renal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Yukio Abe
- Department of Cardiology, Osaka City General Hospital, Osaka, Japan
| | - Masayoshi Ajioka
- Department of Cardiovascular Internal Medicine, Tosei General Hospital, Seto, Aichi, Japan
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Takuo Arikawa
- Department of Cardiovascular Medicine, Dokkyo Medical University, Mibu, Tochigi, Japan
| | | | - Yorihiko Higashino
- Department of Cardiology, Higashi Takarazuka Satoh Hospital, Takarazuka, Hyogo, Japan
| | | | - Noriaki Iwahashi
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Chisato Izumi
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazuo Kimura
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hidetaka Kioka
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Young-Jae Lim
- Cardiovascular Center, Kawachi General Hospital, Osaka, Japan
| | - Ken Matsuoka
- Department of Internal Medicine, Yoshikawa Hospital, Osaka, Japan
| | | | - Hirohiko Motoki
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Sunao Nakamura
- Department of Cardiology, New Tokyo Hospital, Chiba, Japan
| | - Takafumi Nakayama
- Department of Cardiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, Japan
| | - Akihiro Nomura
- Innovative Clinical Research Center/Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | | | - Shin Takiuchi
- Department of Cardiology, Higashi Takarazuka Satoh Hospital, Takarazuka, Hyogo, Japan
| | - Shigeru Toyoda
- Department of Cardiovascular Medicine, Dokkyo Medical University, Mibu, Tochigi, Japan
| | - Tomoya Ueda
- Department of Cardiovascular Medicine, Nara Medical University, Nara, Japan
| | - Tetsuya Watanabe
- Division of Cardiology, Osaka General Medical Center, Osaka, Japan
| | - Akira Yamada
- Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Masayoshi Yamamoto
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Takashi Sozu
- Department of Information and Computer Technology, Faculty of Engineering, Tokyo University of Science, Tokyo, Japan
| | - Masafumi Kitakaze
- Department of Clinical Medicine and Development, National Cerebral and Cardiovascular Center, Osaka, Japan.
- Department of Cardiovascular Medicine, Hanwa Memorial Hospital, 3-5-8 Minamisumiyoshi, Sumiyoshi-ku, Osaka, 558-0041, Japan.
- The Osaka Medical Research Foundation for Intractable Diseases, Osaka, Japan.
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Komaki H, Iwasa M, Hayakawa Y, Okamoto C, Minatoguchi S, Yamada Y, Kanamori H, Kawasaki M, Nishigaki K, Minatoguchi S. Azilsartan attenuates cardiac damage caused by high salt intake through the downregulation of the cardiac (pro)renin receptor and its downstream signals in spontaneously hypertensive rats. Hypertens Res 2018; 41:886-896. [PMID: 30209283 DOI: 10.1038/s41440-018-0099-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 03/13/2018] [Accepted: 03/22/2018] [Indexed: 11/09/2022]
Abstract
We examined whether the stimulation of the angiotensin II AT1 receptor increases the expression of the cardiac (pro)renin receptor ((P)RR) and its downstream signals and whether the blockade of the angiotensin II AT1 receptor by azilsartan decreases the expression of the cardiac (P)RR and its signaling in spontaneously hypertensive rats (SHRs) with a high-salt intake. Rats received normal-salt (0.9%) chow, high-salt (8.9%) chow, normal-salt chow with 1 mg/day of azilsartan, and high-salt chow with 1 mg/day of azilsartan from 6 to 12 weeks of age. Rats with normal-salt chow were administered 100 ng/kg/min of angiotensin II by osmotic minipump from 6 to 12 weeks of age. A high-salt diet and angiotensin II significantly increased the systolic blood pressure; overexpressed cardiac (P)RR, phosphorylated (p)-ERK1/2, p-p38MAPK, p-HSP27, and TGF-ß1; enhanced cardiac interstitial and perivascular fibrosis, cardiomyocyte size, interventricular septum (IVS) thickness, and left ventricular (LV) end-diastolic dimension; and decreased LV fractional shortening. Azilsartan decreased systolic blood pressure, cardiac expressions of (P)RR, p-ERK1/2, p-p38MAPK, p-HSP27, and TGF-ß1, cardiac interstitial and perivascular fibrosis, cardiomyocyte size, and LV diastolic dimension, and improved LV fractional shortening. In conclusion, azilsartan attenuates cardiac damage caused by high salt intake through the downregulation of the cardiac (pro)renin receptor and its downstream signals in SHRs.
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Affiliation(s)
- Hisaaki Komaki
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Masamitsu Iwasa
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Yuka Hayakawa
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Chihiro Okamoto
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Shingo Minatoguchi
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Yoshihisa Yamada
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Hiromitsu Kanamori
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Masanori Kawasaki
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Kazuhiko Nishigaki
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan
| | - Shinya Minatoguchi
- Department of Cardiology, Gifu University Graduate School of Medicine, Yanagido 1-1, Gifu, 501-1194, Japan.
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Okamura K, Shirai K, Okuda T, Urata H. Improvement of Diurnal Blood Pressure Variation by Azilsartan. J Clin Med Res 2017; 10:41-49. [PMID: 29238433 PMCID: PMC5722044 DOI: 10.14740/jocmr3228w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 11/07/2017] [Indexed: 12/14/2022] Open
Abstract
Background Azilsartan is an angiotensin II receptor blocker with a potent antihypertensive effect. Methods In a multicenter, prospective, open-label study, 265 patients with poor blood pressure control despite treatment with other angiotensin II receptor blockers were switched to 20 mg/day of azilsartan (patients on standard dosages) or 40 mg/day of azilsartan (patients on high dosages). Results Blood pressure was 149/83 mm Hg before switching and was significantly reduced from 1 month after switching until final assessment (132/76 mm Hg, P < 0.001). The pulse rate was 72/min before switching and increased significantly from 3 months after switching until final assessment (74/min, P < 0.005). A significant decrease of home morning systolic and diastolic pressure was observed from 1 and 3 months, respectively. Home morning blood pressure was 143/82 mm Hg before switching and 130/76 mm Hg at final assessment (P < 0.01). The morning-evening difference of systolic blood pressure decreased from 14.6 to 6.6 mm Hg after switching (P = 0.09). The estimated glomerular filtration rate was significantly decreased at 3, 6, and 12 months after switching, and serum uric acid was significantly increased at 12 months. No serious adverse events occurred. Conclusion Azilsartan significantly reduced the blood pressure and decreased diurnal variation in patients responding poorly to other angiotensin II receptor blockers.
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Affiliation(s)
- Keisuke Okamura
- Department of Cardiovascular Diseases, Fukuoka University Chikushi Hospital, Chikushino, Japan
| | - Kazuyuki Shirai
- Department of Cardiovascular Diseases, Fukuoka University Chikushi Hospital, Chikushino, Japan
| | - Tetsu Okuda
- Department of Cardiovascular Diseases, Fukuoka University Chikushi Hospital, Chikushino, Japan
| | - Hidenori Urata
- Department of Cardiovascular Diseases, Fukuoka University Chikushi Hospital, Chikushino, Japan
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Michel MC, Brunner HR, Foster C, Huo Y. Angiotensin II type 1 receptor antagonists in animal models of vascular, cardiac, metabolic and renal disease. Pharmacol Ther 2016; 164:1-81. [PMID: 27130806 DOI: 10.1016/j.pharmthera.2016.03.019] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 03/30/2016] [Indexed: 02/07/2023]
Abstract
We have reviewed the effects of angiotensin II type 1 receptor antagonists (ARBs) in various animal models of hypertension, atherosclerosis, cardiac function, hypertrophy and fibrosis, glucose and lipid metabolism, and renal function and morphology. Those of azilsartan and telmisartan have been included comprehensively whereas those of other ARBs have been included systematically but without intention of completeness. ARBs as a class lower blood pressure in established hypertension and prevent hypertension development in all applicable animal models except those with a markedly suppressed renin-angiotensin system; blood pressure lowering even persists for a considerable time after discontinuation of treatment. This translates into a reduced mortality, particularly in models exhibiting marked hypertension. The retrieved data on vascular, cardiac and renal function and morphology as well as on glucose and lipid metabolism are discussed to address three main questions: 1. Can ARB effects on blood vessels, heart, kidney and metabolic function be explained by blood pressure lowering alone or are they additionally directly related to blockade of the renin-angiotensin system? 2. Are they shared by other inhibitors of the renin-angiotensin system, e.g. angiotensin converting enzyme inhibitors? 3. Are some effects specific for one or more compounds within the ARB class? Taken together these data profile ARBs as a drug class with unique properties that have beneficial effects far beyond those on blood pressure reduction and, in some cases distinct from those of angiotensin converting enzyme inhibitors. The clinical relevance of angiotensin receptor-independent effects of some ARBs remains to be determined.
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Affiliation(s)
- Martin C Michel
- Dept. Pharmacology, Johannes Gutenberg University, Mainz, Germany; Dept. Translational Medicine & Clinical Pharmacology, Boehringer Ingelheim, Ingelheim, Germany.
| | | | - Carolyn Foster
- Retiree from Dept. of Research Networking, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
| | - Yong Huo
- Dept. Cardiology & Heart Center, Peking University First Hospital, Beijing, PR China
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Isegawa K, Hirooka Y, Kishi T, Yasukawa K, Utsumi H, Sunagawa K. Benefit of azilsartan on blood pressure elevation around rest-to-active phase in spontaneously hypertensive rats. Clin Exp Hypertens 2014; 37:45-50. [DOI: 10.3109/10641963.2014.897721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | - Yoshitaka Hirooka
- Department of Advanced Cardiovascular Regulation and Therapeutics, and
| | - Takuya Kishi
- Department of Advanced Therapeutics for Cardiovascular Diseases, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan,
| | - Keiji Yasukawa
- Department of Bio-Functional Science, Graduate School of Pharmaceutical Sciences, and
- Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
| | - Hideo Utsumi
- Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
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