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T. Akizawa · SciRah

Researcher profile · Semantic Scholar

T. Akizawa

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T. Akizawa — researcher profile on SciRah

h-index: 64
Works: 624
Citations: 20K

Most-cited papers

Phase 3, Randomized, Double-Blind, Active-Comparator (Darbepoetin Alfa) Study of Oral Roxadustat in CKD Patients with Anemia on Hemodialysis in Japan.
T. Akizawa, M. Iwasaki, Y. Yamaguchi, Y. Majikawa +1 more
2020Journal of the American Society of Nephrology175 citations Open access
Semantic Scholar
Randomized Clinical Trial on the Effect of Bardoxolone Methyl on GFR in Diabetic Kidney Disease Patients (TSUBAKI Study)
M. Nangaku, H. Kanda, H. Takama, T. Ichikawa +2 more
2020Kidney International Reports123 citations Open access
Semantic Scholar
Efficacy and Safety of Daprodustat Compared with Darbepoetin Alfa in Japanese Hemodialysis Patients with Anemia: A Randomized, Double-Blind, Phase 3 Trial.
T. Akizawa, M. Nangaku, Taeko Yonekawa, Nobuhiko Okuda +5 more
2020American Society of Nephrology. Clinical Journal101 citations Open access
Semantic Scholar
Effect of Treating Hyperphosphatemia With Lanthanum Carbonate vs Calcium Carbonate on Cardiovascular Events in Patients With Chronic Kidney Disease Undergoing Hemodialysis: The LANDMARK Randomized Clinical Trial.
H. Ogata, M. Fukagawa, H. Hirakata, T. Kagimura +2 more
2021Journal of the American Medical Association (JAMA)87 citations Open access
Semantic Scholar
A Placebo-Controlled, Randomized Trial of Enarodustat in Patients with Chronic Kidney Disease Followed by Long-Term Trial
T. Akizawa, M. Nangaku, T. Yamaguchi, Masanobu Arai +3 more
2019American Journal of Nephrology71 citations Open access
Semantic Scholar
Phase 3 Study of Roxadustat to Treat Anemia in Non–Dialysis-Dependant CKD
T. Akizawa, M. Iwasaki, T. Otsuka, Y. Yamaguchi +1 more
2021Kidney International Reports64 citations Open access
Semantic Scholar
A Phase 3, Multicenter, Randomized, Two-Arm, Open-Label Study of Intermittent Oral Dosing of Roxadustat for the Treatment of Anemia in Japanese Erythropoiesis-Stimulating Agent-Naïve Chronic Kidney Disease Patients Not on Dialysis
T. Akizawa, Y. Yamaguchi, T. Otsuka, M. Reusch
2020Nephron63 citations Open access
Semantic Scholar
Daprodustat Compared with Epoetin Beta Pegol for Anemia in Japanese Patients Not on Dialysis: A 52-Week Randomized Open-Label Phase 3 Trial
M. Nangaku, T. Hamano, T. Akizawa, Y. Tsubakihara +7 more
2021American Journal of Nephrology61 citations Open access
Semantic Scholar
2017 Kidney Disease: Improving Global Outcomes (KDIGO) Chronic Kidney Disease–Mineral and Bone Disorder (CKD-MBD) Guideline Update Implementation: Asia Summit Conference Report
A. Wang, T. Akizawa, S. Bavanandan, T. Hamano +17 more
2019Kidney International Reports52 citations Open access
Semantic Scholar
Efficacy and Safety of Molidustat for Anemia in ESA-Naive Nondialysis Patients: A Randomized, Phase 3 Trial
Hiroyasu Yamamoto, Kiyoshi Nobori, Y. Matsuda, Yasuhiro Hayashi +2 more
2021American Journal of Nephrology51 citations Open access
Semantic Scholar
Enarodustat, Conversion and Maintenance Therapy for Anemia in Hemodialysis Patients: A Randomized, Placebo-Controlled Phase 2b Trial Followed by Long-Term Trial
T. Akizawa, M. Nangaku, T. Yamaguchi, Masanobu Arai +4 more
2019Nephron51 citations Open access
Semantic Scholar
Randomized, double-blind, placebo-controlled phase 3 study of bardoxolone methyl in patients with diabetic kidney disease: design and baseline characteristics of the AYAME study
M. Nangaku, H. Takama, T. Ichikawa, Kazuya Mukai +10 more
2022Nephrology, Dialysis and Transplantation50 citations Open access
Semantic Scholar
COVID‐19 of dialysis patients in Japan: Current status and guidance on preventive measures
K. Kikuchi, M. Nangaku, M. Ryuzaki, T. Yamakawa +7 more
2020Therapeutic apheresis and dialysis50 citations Open access
Semantic Scholar
A Phase 3 Study of Enarodustat in Anemic Patients with CKD not Requiring Dialysis: The SYMPHONY ND Study
T. Akizawa, M. Nangaku, T. Yamaguchi, R. Koretomo +3 more
2021Kidney International Reports49 citations Open access
Semantic Scholar
Long-Term Efficacy and Safety of Molidustat for Anemia in Chronic Kidney Disease: DIALOGUE Extension Studies
T. Akizawa, I. Macdougall, J. Berns, T. Bernhardt +4 more
2019American Journal of Nephrology49 citations Open access
Semantic Scholar
Molidustat for Renal Anemia in Nondialysis Patients Previously Treated with Erythropoiesis-Stimulating Agents: A Randomized, Open-Label, Phase 3 Study
Hiroyasu Yamamoto, Kiyoshi Nobori, Y. Matsuda, Yasuhiro Hayashi +2 more
2021American Journal of Nephrology47 citations Open access
Semantic Scholar
A Phase 3 Study of Enarodustat (JTZ-951) in Japanese Hemodialysis Patients for Treatment of Anemia in Chronic Kidney Disease: SYMPHONY HD Study
T. Akizawa, M. Nangaku, T. Yamaguchi, R. Koretomo +3 more
2021Kidney Diseases47 citations Open access
Semantic Scholar
Molidustat for Japanese Patients With Renal Anemia Receiving Dialysis
T. Akizawa, Takashi Yamada, Kiyoshi Nobori, Y. Matsuda +3 more
2021Kidney International Reports47 citations Open access
Semantic Scholar
Survival and predictive factors in dialysis patients with COVID-19 in Japan: a nationwide cohort study
K. Kikuchi, M. Nangaku, M. Ryuzaki, T. Yamakawa +8 more
2021Renal Replacement Therapy44 citations Open access
Semantic Scholar
A 24‐Week Anemia Correction Study of Daprodustat in Japanese Dialysis Patients
Y. Tsubakihara, T. Akizawa, M. Nangaku, T. Onoue +4 more
2020Therapeutic apheresis and dialysis42 citations
Semantic Scholar
Inflammation and Erythropoiesis-Stimulating Agent Response in Hemodialysis Patients: A Self-matched Longitudinal Study of Anemia Management in the Dialysis Outcomes and Practice Patterns Study (DOPPS)
A. Karaboyas, H. Morgenstern, N. Fleischer, R. Vanholder +8 more
2020Kidney Medicine35 citations Open access
Semantic Scholar
Evocalcet: A New Oral Calcimimetic for Dialysis Patients With Secondary Hyperparathyroidism
Kazuaki Ikejiri, T. Akizawa, Yuichiro Kondo, Yu'ichi Endo +1 more
2019Therapeutic apheresis and dialysis34 citations Open access
Semantic Scholar
Urate-lowering therapy for CKD patients with asymptomatic hyperuricemia without proteinuria elucidated by attribute-based research in the FEATHER Study
H. Kataoka, T. Mochizuki, Mamiko Ohara, Yuki Tsuruta +74 more
2022Scientific Reports31 citations Open access
Semantic Scholar
Factors Affecting Doses of Roxadustat Versus Darbepoetin Alfa for Anemia in Nondialysis Patients
T. Akizawa, Keiko Tanaka-Amino, T. Otsuka, Y. Yamaguchi
2021American Journal of Nephrology26 citations Open access
Semantic Scholar
Factors affecting the doses of roxadustat vs darbepoetin alfa for anemia treatment in hemodialysis patients
T. Akizawa, Y. Yamaguchi, Y. Majikawa, M. Reusch
2020Therapeutic apheresis and dialysis26 citations Open access
Semantic Scholar
Molidustat for the treatment of renal anaemia in patients with non-dialysis-dependent chronic kidney disease: design and rationale of two phase III studies
Hiroyasu Yamamoto, M. Taguchi, Y. Matsuda, K. Iekushi +2 more
2019BMJ Open25 citations Open access
Semantic Scholar
Dose-Response of Tenapanor in Patients With Hyperphosphatemia Undergoing Hemodialysis in Japan—A Phase 2 Randomized Trial
Masaaki Inaba, Yotaro Une, Kazuaki Ikejiri, H. Kanda +2 more
2021Kidney International Reports23 citations Open access
Semantic Scholar
Iron Parameters in Patients Treated with Roxadustat for Anemia of Chronic Kidney Disease
T. Ganz, F. Locatelli, M. Arıcı, T. Akizawa +1 more
2023Journal of Clinical Medicine22 citations Open access
Semantic Scholar
Hyporesponsiveness to erythropoiesis-stimulating agent in non-dialysis-dependent CKD patients: The BRIGHTEN study
I. Narita, T. Hayashi, S. Maruyama, Takao Masaki +19 more
2022PLoS ONE22 citations Open access
Semantic Scholar
Two long‐term phase 3 studies of enarodustat (JTZ‐951) in Japanese anemic patients with chronic kidney disease not on dialysis or on maintenance hemodialysis: SYMPHONY ND‐Long and HD‐Long studies
T. Akizawa, M. Nangaku, T. Yamaguchi, R. Koretomo +3 more
2021Therapeutic apheresis and dialysis20 citations Open access
Semantic Scholar
Long-Term Efficacy and Safety of Evocalcet in Japanese Patients with Secondary Hyperparathyroidism Receiving Hemodialysis
K. Yokoyama, R. Shimazaki, M. Fukagawa, T. Akizawa +15 more
2019Scientific Reports20 citations Open access
Semantic Scholar
Vitality Measured as Self-reported Energy Level and Clinical Outcomes in Hemodialysis Patients: The Japanese Dialysis Outcomes and Practice Pattern Study (J-DOPPS).
N. Kurita, T. Akizawa, S. Fukuhara
2019American Journal of Kidney Diseases20 citations Open access
Semantic Scholar
Darbepoetin Alfa in Patients with Advanced CKD without Diabetes: Randomized, Controlled Trial.
T. Hayashi, S. Maruyama, M. Nangaku, I. Narita +6 more
2020American Society of Nephrology. Clinical Journal19 citations Open access
Semantic Scholar
Molidustat for the treatment of renal anaemia in patients with dialysis-dependent chronic kidney disease: design and rationale of three phase III studies
T. Akizawa, M. Taguchi, Y. Matsuda, K. Iekushi +2 more
2019BMJ Open19 citations Open access
Semantic Scholar
Therapeutic Effects of Add-On Tenapanor for Hemodialysis Patients with Refractory Hyperphosphatemia
T. Shigematsu, Yotaro Une, Kazuaki Ikejiri, H. Kanda +2 more
2021American Journal of Nephrology17 citations Open access
Semantic Scholar
Effect of Tenapanor on Phosphate Binder Pill Burden in Hemodialysis Patients
T. Akizawa, Yuri Sato, Kazuaki Ikejiri, H. Kanda +1 more
2021Kidney International Reports16 citations Open access
Semantic Scholar
Effectiveness of SARS‐CoV‐2 vaccines on hemodialysis patients in Japan: A nationwide cohort study
K. Kikuchi, M. Nangaku, M. Ryuzaki, T. Yamakawa +10 more
2022Therapeutic apheresis and dialysis15 citations Open access
Semantic Scholar
Initial responsiveness to darbepoetin alfa and its contributing factors in non-dialysis chronic kidney disease patients in Japan
T. Hayashi, Hideki Kato, Kenichiro Tanabe, M. Nangaku +16 more
2020Clinical and Experimental Nephrology15 citations Open access
Semantic Scholar
Efficacy and safety of evocalcet in Japanese peritoneal dialysis patients
Kazuhiko Tsuruya, R. Shimazaki, M. Fukagawa, T. Akizawa +14 more
2019Clinical and Experimental Nephrology15 citations Open access
Semantic Scholar
Tenapanor for the Treatment of Hyperphosphatemia in Japanese Hemodialysis Patients: A Randomized Phase 3 Monotherapy Study With an Up-titration Regimen.
M. Fukagawa, Natsuki Urano, Kazuaki Ikejiri, Jun Kinoshita +2 more
2023American Journal of Kidney Diseases14 citations Open access
Semantic Scholar
Treatment of anemia associated with chronic kidney disease with the HIF prolyl hydroxylase inhibitor enarodustat: A review of the evidence
Ryoma Fujikawa, Y. Nagao, Masaki Fujioka, T. Akizawa
2022Therapeutic apheresis and dialysis14 citations Open access
Semantic Scholar
Relationship between serum calcium or phosphate levels and mortality stratified by parathyroid hormone level: an analysis from the MBD-5D study
S. Asada, K. Yokoyama, C. Miyakoshi, S. Fukuma +7 more
2020Clinical and Experimental Nephrology14 citations Open access
Semantic Scholar
Clinical parameters among patients in Japan with anemia and non-dialysis-dependent chronic kidney disease with and without diabetes mellitus who received roxadustat
T. Akizawa, Keiko Tanaka-Amino, T. Otsuka, Y. Yamaguchi
2022Clinical and Experimental Nephrology13 citations Open access
Semantic Scholar
Type I Angiotensin II Receptor Blockade Reduces Uremia‐Induced Deterioration of Bone Material Properties
Takuya Wakamatsu, Y. Iwasaki, Suguru Yamamoto, Koji Matsuo +14 more
2020Journal of Bone and Mineral Research13 citations Open access
Semantic Scholar
Randomized Study of Tenapanor Added to Phosphate Binders for Patients With Refractory Hyperphosphatemia
K. Nitta, Saki Itoyama, Kazuaki Ikejiri, Jun Kinoshita +3 more
2023Kidney International Reports12 citations Open access
Semantic Scholar
Effect of lanthanum carbonate and calcium carbonate on the progression of coronary artery calcification among hemodialysis patients with vascular calcification risk: a randomized controlled trial
H. Ogata, M. Fukagawa, H. Hirakata, T. Kagimura +1 more
2022Clinical and Experimental Nephrology12 citations
Semantic Scholar
Analysis of 2897 hospitalization events for patients with chronic kidney disease: results from CKD-JAC study
S. Iimuro, Tetsuji Kaneko, Y. Ohashi, Tsuyoshi Watanabe +7 more
2019Clinical and Experimental Nephrology12 citations Open access
Semantic Scholar
Molidustat for anemia correction in Japanese patients undergoing hemodialysis: a single‐arm, phase 3 study
T. Akizawa, Kiyoshi Nobori, Y. Matsuda, Yasuhiro Hayashi +2 more
2021Therapeutic apheresis and dialysis11 citations Open access
Semantic Scholar
Interdialytic Weight Gain Effects on Hemoglobin Concentration and Cardiovascular Events
T. Hara, Miho Kimachi, T. Akizawa, S. Fukuhara +1 more
2020Kidney International Reports11 citations Open access
Semantic Scholar
First-in-Patient Phase I/II Study of Upacicalcet in Japanese Patients with Secondary Hyperparathyroidism Undergoing Hemodialysis: Pharmacokinetic and Pharmacodynamic Properties
J. Kazama, F. Koiwa, K. Yokoyama, M. Fukagawa +3 more
2022Clinical Pharmacokinetics9 citations Open access
Semantic Scholar

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M. Nangaku×16
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M. Nangaku — researcher profile on SciRah
M. Fukagawa×14
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H. Hirakata×10
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Hiroyasu Yamamoto×7
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M. Reusch — researcher profile on SciRah

T. Yamaguchi×5

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Y. Tsubakihara×5

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I. Narita — researcher profile on SciRah