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Higashihara E, Harada T, Fukuhara H. Juxtaglomerular apparatus-mediated homeostatic mechanisms: therapeutic implication for chronic kidney disease. Expert Opin Pharmacother 2024; 25:819-832. [PMID: 38773961 DOI: 10.1080/14656566.2024.2357188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/15/2024] [Indexed: 05/24/2024]
Abstract
INTRODUCTION Juxtaglomerular apparatus (JGA)-mediated homeostatic mechanism links to how sodium-glucose cotransporter 2 inhibitors (SGLT2is) slow progression of chronic kidney disease (CKD) and may link to how tolvaptan slows renal function decline in autosomal dominant polycystic kidney disease (ADPKD). AREA COVERED JGA-mediated homeostatic mechanism has been hypothesized based on investigations of tubuloglomerular feedback and renin-angiotensin system. We reviewed clinical trials of SGLT2is and tolvaptan to assess the relationship between this mechanism and these drugs. EXPERT OPINION When sodium load to macula densa (MD) increases, MD increases adenosine production, constricting afferent arteriole (Af-art) and protecting glomeruli. Concurrently, MD signaling suppresses renin secretion, increases urinary sodium excretion, and counterbalances reduced sodium filtration. However, when there is marked increase in sodium load per-nephron, as in advanced CKD, MD adenosine production increases, relaxing Af-art and maintaining sodium homeostasis at the expense of glomeruli. The beneficial effects of tolvaptan on renal function in ADPKD may also depend on the JGA-mediated homeostatic mechanisms since tolvaptan inhibits sodium reabsorption in the thick ascending limb.The JGA-mediated homeostatic mechanism regulates Af-arts, constricting to relaxing according to homeostatic needs. Understanding this mechanism may contribute to the development of pharmacotherapeutic compounds and better care for patients with CKD.
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Affiliation(s)
- Eiji Higashihara
- Department of Urology, Kyorin University School of Medicine, Mitaka, Japan
| | - Takeo Harada
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co. Ltd, Tokushima, Japan
| | - Hiroshi Fukuhara
- Department of Urology, Kyorin University School of Medicine, Mitaka, Japan
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Mochizuki T, Matsukawa M, Tanaka T, Jiang H. Initial eGFR Changes Predict Response to Tolvaptan in ADPKD. KIDNEY360 2024; 5:522-528. [PMID: 38414126 PMCID: PMC11093546 DOI: 10.34067/kid.0000000000000404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 02/16/2024] [Indexed: 02/29/2024]
Abstract
Key Points This post hoc analysis of the Tolvaptan Efficacy and Safety in Management of Autosomal Dominant Polycystic Kidney Disease and Its Outcomes 3:4 study investigated the long-term predictive potential of initial changes in eGFR. Initial eGFR change from baseline to week 3 proved to be a significant and independent indicator of the long-term effects of tolvaptan. No correlation was found between the initial change in eGFR and the annual rate of percent growth in total kidney volume. Background Tolvaptan, the only pharmaceutical treatment available for autosomal dominant polycystic kidney disease (ADPKD), reduced the rates of total kidney volume (TKV) increase and kidney function decline in patients with ADPKD in the global phase 3 Tolvaptan Efficacy and Safety in Management of Autosomal Dominant Polycystic Kidney Disease and Its Outcomes (TEMPO) 3:4 study. Since tolvaptan initiation is associated with an initial decline in the eGFR, this post hoc analysis of the TEMPO 3:4 study investigated whether initial changes in eGFR from baseline to week 3 after tolvaptan administration can predict its longer-term effects on eGFR and TKV in patients with ADPKD. Methods eGFR was estimated using the CKD Epidemiology Collaboration equation at baseline and up to month 36. TKV was estimated using standardized kidney magnetic resonance imaging at baseline and after 12, 24, and 36 months of tolvaptan treatment. The effect of tolvaptan on kidney function and kidney volume was evaluated by measuring changes in eGFR from week 3 and TKV from baseline up to 36 months. All 961 patients randomized to receive tolvaptan in TEMPO 3:4 were included in this analysis. Results Initial change in eGFR from baseline to week 3 was a significant and independent predictor of the mean rate of change in eGFR per year. By contrast, there was no association between initial change in eGFR and the rate of percent growth in TKV per year. Conclusions Changes in eGFR after 3 weeks of treatment are likely due to the pharmacologic effect of tolvaptan, and these initial changes are predictive of the long-term effects of tolvaptan treatment.
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Affiliation(s)
| | | | - Toshiki Tanaka
- Medical Affairs, Otsuka Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Huan Jiang
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, New Jersey
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Li X, Li W, Li Y, Dong C, Zhu P. The safety and efficacy of tolvaptan in the treatment of patients with autosomal dominant polycystic kidney disease: A systematic review and meta-analysis. Nefrologia 2023; 43:731-741. [PMID: 37150675 DOI: 10.1016/j.nefroe.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 10/06/2022] [Indexed: 05/09/2023] Open
Abstract
BACKGROUND The irreversible progression of autosomal dominant polycystic kidney disease (ADPKD) to end-stage renal disease (ESRD) is delayed by tolvaptan. Therefore, we aim to systematically estimate and evaluate the efficacy and safety of tolvaptan in the treatment of ADPKD. METHODS Two reviewers independently searched all published randomized controlled trials studies in PubMed, EMBASE, Web of Science and Cochrane databases, extracted data, assessed bias risk and rated the quality of evidence. Data were analyzed by the RevMan software. RESULTS We identified 8 trials including 2135 patients. Both of the decline of estimated glomerular filtration rate (eGFR) [MD=1.89, 95% CI (0.74, 3.04), P=0.001] and total kidney volume (TKV) [MD=-3.32, 95% CI (-4.57, -2.07), P<0.001] were delayed in tolvaptan group compared with placebo group in ADPKD patients. The use of tolvaptan delayed TKV progression in the different-month subgroups [MD=-69.99, 95% CI (-91.05, -48.94), P<0.001]. Tolvaptan reduced renal pain [RR=0.66, 95% CI (0.54, 0.81), P<0.001] and hematuria events [RR=0.55, 95% CI (0.41, 0.74), P<0.001] in ADPKD patients. However, the prevalence of thirst [RR=2.75, 95% CI (2.34, 3.24), P<0.001] and nocturia events [RR=3.01, 95% CI (1.27, 7.11), P=0.01] were increased in tolvaptan group. There is no significant difference of hypertension events [RR=0.92, 95% CI (0.82, 1.03), P=0.13] in tolvaptan group compared placebo group. CONCLUSIONS This meta-analysis suggests that tolvaptan may improve clinical progression in patients with ADPKD without significantly increasing the risk of adverse reactions.
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Affiliation(s)
- Xuanwei Li
- Division of Nephrology, The First College of Clinical Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Wenlai Li
- Division of Nephrology, The First College of Clinical Medical Science, Three Gorges University, Yichang, Hubei, China
| | - Yue Li
- Division of Endocrinology, The Renhe Hospital of Three Gorges University, Yichang, Hubei, China
| | - Chuanjiang Dong
- Division of Urinary Surgery, The First College of Clinical Medical Science, Three Gorges University , Yichang, Hubei, China
| | - Ping Zhu
- Division of Nephrology, The First College of Clinical Medical Science, Three Gorges University, Yichang, Hubei, China.
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Martínez-Hernández SL, Muñoz-Ortega MH, Ávila-Blanco ME, Medina-Pizaño MY, Ventura-Juárez J. Novel Approaches in Chronic Renal Failure without Renal Replacement Therapy: A Review. Biomedicines 2023; 11:2828. [PMID: 37893201 PMCID: PMC10604533 DOI: 10.3390/biomedicines11102828] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/28/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Chronic kidney disease (CKD) is characterized by renal parenchymal damage leading to a reduction in the glomerular filtration rate. The inflammatory response plays a pivotal role in the tissue damage contributing to renal failure. Current therapeutic options encompass dietary control, mineral salt regulation, and management of blood pressure, blood glucose, and fatty acid levels. However, they do not effectively halt the progression of renal damage. This review critically examines novel therapeutic avenues aimed at ameliorating inflammation, mitigating extracellular matrix accumulation, and fostering renal tissue regeneration in the context of CKD. Understanding the mechanisms sustaining a proinflammatory and profibrotic state may offer the potential for targeted pharmacological interventions. This, in turn, could pave the way for combination therapies capable of reversing renal damage in CKD. The non-replacement phase of CKD currently faces a dearth of efficacious therapeutic options. Future directions encompass exploring vaptans as diuretics to inhibit water absorption, investigating antifibrotic agents, antioxidants, and exploring regenerative treatment modalities, such as stem cell therapy and novel probiotics. Moreover, this review identifies pharmaceutical agents capable of mitigating renal parenchymal damage attributed to CKD, targeting molecular-level signaling pathways (TGF-β, Smad, and Nrf2) that predominate in the inflammatory processes of renal fibrogenic cells.
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Affiliation(s)
- Sandra Luz Martínez-Hernández
- Departamento de Microbiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes 20100, Ags, Mexico
| | - Martín Humberto Muñoz-Ortega
- Departamento de Química, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes 20100, Ags, Mexico
| | - Manuel Enrique Ávila-Blanco
- Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes 20100, Ags, Mexico
| | - Mariana Yazmin Medina-Pizaño
- Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes 20100, Ags, Mexico
| | - Javier Ventura-Juárez
- Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes 20100, Ags, Mexico
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Kataoka H, Shimada Y, Kimura T, Nishio S, Nakatani S, Mochizuki T, Tsuchiya K, Hoshino J, Hattanda F, Kawano H, Hanaoka K, Hidaka S, Ichikawa D, Ishikawa E, Uchiyama K, Hayashi H, Makabe S, Manabe S, Mitobe M, Sekine A, Suwabe T, Kai H, Kurashige M, Seta K, Shimazu K, Moriyama T, Sato M, Otsuka T, Katayama K, Shimabukuro W, Fujimaru T, Miura K, Nakanishi K, Horie S, Furuichi K, Okada H, Narita I, Muto S. Public support for patients with intractable diseases in Japan: impact on clinical indicators from nationwide registries in patients with autosomal dominant polycystic kidney disease. Clin Exp Nephrol 2023; 27:809-818. [PMID: 37368094 DOI: 10.1007/s10157-023-02372-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/11/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Clinical practice guidelines recommend antihypertensive and tolvaptan therapies for patients with autosomal dominant polycystic kidney disease (ADPKD) in Japan. However, tolvaptan therapy may pose an economic burden. The Japanese Ministry of Health, Labour and Welfare supports patients with intractable diseases. This study aimed to confirm the impact of the intractable disease system in Japan on the clinical treatment of ADPKD. METHODS We analyzed the data of 3768 patients with ADPKD having a medical subsidy certificate from the Japanese Ministry of Health, Labour and Welfare in 2015-2016. The following quality indicators were use: the adherence rate to the 2014 clinical practice guideline for polycystic kidney disease (prescription rates of antihypertensive agents and tolvaptan in this cohort) and the number of Japanese patients with ADPKD nationwide started on renal replacement therapy in 2014 and 2020. RESULTS Compared with new applications from 2015 to 2016, the prescription rates of antihypertensives and tolvaptan for the indicated patients at the 2017 renewal application increased by 2.0% (odds ratio = 1.41, p = 0.008) and 47.4% (odds ratio = 10.1, p > 0.001), respectively. These quality indicators improved with antihypertensive treatment, especially in patients with chronic kidney disease stages 1-2 (odds ratio = 1.79, p = 0.013) and in those aged < 50 years (odds ratio = 1.70, p = 0.003). The number of patients with ADPKD who were started on renal replacement therapy in Japan decreased from 999 in 2014 to 884 in 2020 in the nationwide database (odds ratio = 0.83, p < 0.001). CONCLUSIONS The Japanese public intractable disease support system contributes to improvement of ADPKD treatment.
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Affiliation(s)
- Hiroshi Kataoka
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
| | - Yosuke Shimada
- Intelligent Systems Laboratory, SECOM CO., LTD. Mitaka, Tokyo, Japan
- Department of Medical Eleactronic Intelligence Management, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tomonori Kimura
- Reverse Translational Research Project, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Saori Nishio
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinya Nakatani
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine Osaka, Osaka, Japan
| | - Toshio Mochizuki
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
- PKD Nephrology Clinic, Tokyo, Japan
| | - Ken Tsuchiya
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
- Department of Blood Purification, Tokyo Women's Medical University, Tokyo, Japan
| | - Junichi Hoshino
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
| | - Fumihiko Hattanda
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Haruna Kawano
- Department of Urology, Department of Advanced Informatics for Genetic Disease, Juntendo University, Tokyo, Japan
| | - Kazushige Hanaoka
- Department of General Internal Medicine, The Jikei University, Tokyo, Japan
| | - Sumi Hidaka
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kanagawa, Japan
| | - Daisuke Ichikawa
- Department of Nephrology and Hypertension, St Marianna University School of Medicine, Kanagawa, Japan
| | - Eiji Ishikawa
- Department of Internal Medicine, Saiseikai Matsusaka General Hospital, Mie, Japan
| | - Kiyotaka Uchiyama
- Division of Endocrinology, Metabolism and Nephrology Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hiroki Hayashi
- Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Shiho Makabe
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
| | - Shun Manabe
- Department of Nephrology, Tokyo Women's Medical University, Tokyo, Japan
| | - Michihiro Mitobe
- Department of Nephrology, Takeda General Hospital, Fukushima, Japan
| | - Akinari Sekine
- Department of Nephrology, Toranomon Hospital, Tokyo, Japan
| | - Tatsuya Suwabe
- Department of Nephrology, Toranomon Hospital, Tokyo, Japan
| | - Hirayasu Kai
- Pathophysiology of Renal Diseases, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Mahiro Kurashige
- Nephrology and Hypertension, Department of Internal Medicine, The Jikei University, Tokyo, Japan
| | - Koichi Seta
- Department of Nephrology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Keiji Shimazu
- Department of Nephrology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Tomofumi Moriyama
- Division of Nephrology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Mai Sato
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | - Tadashi Otsuka
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kan Katayama
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Mie, Japan
| | - Wataru Shimabukuro
- Department of Child Health and Welfare (Pediatrics), Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Takuya Fujimaru
- Department of Nephrology, St. Luke's International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, Japan
| | - Kenichiro Miura
- Department of Pediatric Nephrology, Tokyo Women's Medical University, Tokyo, Japan
| | - Koichi Nakanishi
- Department of Child Health and Welfare (Pediatrics), Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Shigeo Horie
- Department of Urology, Department of Advanced Informatics for Genetic Disease, Juntendo University, Tokyo, Japan
| | - Kengo Furuichi
- Department of Nephrology, Kanazawa Medical University, Ishikawa, Japan
| | - Hirokazu Okada
- Department of Nephrology, Saitama Medical University, Saitama, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University, Niigata, Japan
| | - Satoru Muto
- Department of Urology, Juntendo University Nerima Hospital, Tokyo, Japan.
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Kimura T, Kawano H, Muto S, Muramoto N, Takano T, Lu Y, Eguchi H, Wada H, Okazaki Y, Ide H, Horie S. PKD1 Mutation Is a Biomarker for Autosomal Dominant Polycystic Kidney Disease. Biomolecules 2023; 13:1020. [PMID: 37509056 PMCID: PMC10377076 DOI: 10.3390/biom13071020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/08/2023] [Accepted: 06/18/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Autosomal dominant polycystic kidney disease (ADPKD) occurs in 1 in 500-4000 people worldwide. Genetic mutation is a biomarker for predicting renal dysfunction in patients with ADPKD. In this study, we performed a genetic analysis of Japanese patients with ADPKD to investigate the prognostic utility of genetic mutations in predicting renal function outcomes. METHODS Patients clinically diagnosed with ADPKD underwent a panel genetic test for germline mutations in PKD1 and PKD2. This study was conducted with the approval of the Ethics Committee of Juntendo University (no. 2019107). RESULTS Of 436 patients, 366 (83.9%) had genetic mutations. Notably, patients with PKD1 mutation had a significantly decreased ΔeGFR/year compared to patients with PKD2 mutation, indicating a progression of renal dysfunction (-3.50 vs. -2.04 mL/min/1.73 m2/year, p = 0.066). Furthermore, PKD1 truncated mutations had a significantly decreased ΔeGFR/year compared to PKD1 non-truncated mutations in the population aged over 65 years (-6.56 vs. -2.16 mL/min/1.73 m2/year, p = 0.049). Multivariate analysis showed that PKD1 mutation was a more significant risk factor than PKD2 mutation (odds ratio, 1.81; 95% confidence interval, 1.11-3.16; p = 0.020). CONCLUSIONS The analysis of germline mutations can predict renal prognosis in Japanese patients with ADPKD, and PKD1 mutation is a biomarker of ADPKD.
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Affiliation(s)
- Tomoki Kimura
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Haruna Kawano
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Advanced Informatics for Genetic Diseases, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Satoru Muto
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Advanced Informatics for Genetic Diseases, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Urology, Juntendo University Nerima Hospital, Tokyo 177-8521, Japan
| | - Nobuhito Muramoto
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Human Disease Models, Institute of Laboratory Animals, Tokyo Women's Medical University, Tokyo 162-8666, Japan
| | - Toshiaki Takano
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Yan Lu
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Hidetaka Eguchi
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Hiroo Wada
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Yasushi Okazaki
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Hisamitsu Ide
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Digital Therapeutics, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
| | - Shigeo Horie
- Department of Urology, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Advanced Informatics for Genetic Diseases, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
- Department of Digital Therapeutics, Juntendo University Graduate School of Medicine, Tokyo 113-8431, Japan
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The Electrogenic Chloride Exchanger ClC5 as a Novel Player in Renal Cysts in Tuberous Sclerosis. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:136-137. [PMID: 36481196 DOI: 10.1016/j.ajpath.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
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Li X, Li W, Li Y, Dong C, Zhu P. The safety and efficacy of tolvaptan in the treatment of patients with autosomal dominant polycystic kidney disease: A systematic review and meta-analysis. Nefrologia 2022. [DOI: 10.1016/j.nefro.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Jdiaa SS, Husainat NM, Mansour R, Kalot MA, McGreal K, Chebib FT, Perrone RD, Yu A, Mustafa RA. A Systematic Review of Reported Outcomes in ADPKD Studies. Kidney Int Rep 2022; 7:1964-1979. [PMID: 36090492 PMCID: PMC9459055 DOI: 10.1016/j.ekir.2022.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/14/2022] [Accepted: 06/20/2022] [Indexed: 11/26/2022] Open
Abstract
Introduction Methods Results Conclusion
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10
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Raina R, Houry A, Rath P, Mangat G, Pandher D, Islam M, Khattab AG, Kalout JK, Bagga S. Clinical Utility and Tolerability of Tolvaptan in the Treatment of Autosomal Dominant Polycystic Kidney Disease (ADPKD). Drug Healthc Patient Saf 2022; 14:147-159. [PMID: 36105663 PMCID: PMC9467294 DOI: 10.2147/dhps.s338050] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 08/22/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Rupesh Raina
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
- Department of Nephrology, Akron Children’s Hospital, Akron, OH, USA
- College of Medicine, Northeast Ohio Medical University, Rootstown, OH, USA
- Correspondence: Rupesh Raina, Consultant Nephrologist, Adult-Pediatric Kidney Disease/Hypertension, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA, Tel +1 330-543-8950, Fax +1 330-543-3980, Email ;
| | - Ahmad Houry
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
- College of Medicine, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Pratik Rath
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Guneive Mangat
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Davinder Pandher
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
- Mount Sinai South Nassau, Oceanside, NY, 11570, USA
| | - Muhammad Islam
- College of Medicine, Northeast Ohio Medical University, Rootstown, OH, USA
| | | | - Joseph K Kalout
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Sumedha Bagga
- Questrom School of Business, Boston University, Boston, MA, USA
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Park HC, Hong Y, Yeon JH, Ryu H, Kim YC, Lee J, Kim YH, Chae DW, Chung W, Ahn C, Oh KH, Oh YK. Mayo imaging classification is a good predictor of rapid progress among Korean patients with autosomal dominant polycystic kidney disease: results from the KNOW-CKD study. Kidney Res Clin Pract 2022; 41:432-441. [PMID: 35286789 PMCID: PMC9346394 DOI: 10.23876/j.krcp.21.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/29/2021] [Indexed: 11/25/2022] Open
Abstract
Background Mayo imaging classification (MIC) is a useful biomarker to predict disease progression in autosomal dominant polycystic kidney disease (ADPKD). This study was performed to validate MIC in the prediction of renal outcome in a prospective Korean ADPKD cohort and evaluate clinical parameters associated with rapid disease progression. Methods A total of 178 ADPKD patients were enrolled and prospectively observed for an average duration of 6.2 ± 1.9 years. Rapid progressor was defined as MIC 1C through 1E while slow progressor was defined as 1A through 1B. Renal composite outcome (doubling of serum creatinine, 50% decline of estimated glomerular filtration rate [eGFR], or initiation of renal replacement therapy) as well as the annual percent change of height-adjusted total kidney volume (mHTKV-α) and eGFR decline (mGFR-α) were compared between groups. Results A total of 110 patients (61.8%) were classified as rapid progressors. These patients were younger and showed a higher proportion of male patients. Rapid progressor was an independent predictor for renal outcome (hazard ratio, 4.09; 95% confidence interval, 1.23–13.54; p = 0.02). The mGFR-α was greater in rapid progressors (–3.58 mL/min per year in 1C, –3.7 in 1D, and –4.52 in 1E) compared with that in slow progressors (–1.54 in 1A and –2.06 in 1B). The mHTKV-α was faster in rapid progressors (5.3% per year in 1C, 9.4% in 1D, and 11.7% in 1E) compared with that in slow progressors (1.2% in 1A and 3.8% in 1B). Conclusion MIC is a good predictive tool to define rapid progressors in Korean ADPKD patients.
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Affiliation(s)
- Hayne Cho Park
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Seoul, Republic of Korea
- Kidney Research Institute, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Yeji Hong
- Rehabilitation Medical Research Center, Korea Workers’ Compensation and Welfare Service Incheon Hospital, Incheon, Republic of Korea
| | - Jeong-Heum Yeon
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hyunjin Ryu
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yong-Chul Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Joongyub Lee
- Department of Prevention and Management, Inha University School of Medicine, Incheon, Republic of Korea
| | - Yeong Hoon Kim
- Department of Internal Medicine, Inje University Busan Paik Hospital, Busan, Republic of Korea
| | - Dong-Wan Chae
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - WooKyung Chung
- Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea
| | - Curie Ahn
- Department of Internal Medicine, National Medical Center, Seoul, Republic of Korea
| | - Kook-Hwan Oh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yun Kyu Oh
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
- Correspondence: Yun Kyu Oh Department of Internal Medicine, SMG-SNU Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul 07061, Republic of Korea. E-mail:
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Yamada Y, Fujiki H, Mizuguchi H, Takeshita Y, Hattori K, Ohmoto K, Aihara M, Nagano K, Isakari Y, Yamamoto M, Yamamura Y. [Tolvaptan, a vasopressin V 2 receptor antagonist, is the world's first approved drug for treatment of autosomal dominant polycystic kidney disease (ADPKD)]. Nihon Yakurigaku Zasshi 2022; 157:254-260. [PMID: 35781456 DOI: 10.1254/fpj.22006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most common genetic kidney disease. Fluid-filled cysts develop and enlarge in both kidneys, eventually leading to kidney failure. Tolvaptan is a selective vasopressin V2 receptor antagonist and the first and only drug approved for treatment of ADPKD. It blocks binding of arginine vasopressin (AVP) to V2 receptors in the collecting duct of kidney, thereby inducing water diuresis (aquaresis) without losing electrolytes. Therefore, tolvaptan was originally developed and approved as the first oral aquaretic agent for treatment of hyponatremia and fluid volume overload in heart failure and cirrhosis. During the development of tolvaptan as aquaretics, efficacy of V2 antagonist in polycystic kidney animal model was reported and then the development of tolvaptan for ADPKD was also initiated. Cyclic adenosine monophosphate (cAMP) plays an important role in cyst growth by promoting cell proliferation and fluid secretion. Tolvaptan showed suppression of cyst growth through inhibiting AVP-induced cAMP production and delayed the onset of end-stage renal disease in an animal model. In the phase 3 clinical trial in ADPKD patients (TEMPO 3:4 trial), 3-year treatment with tolvaptan slowed the disease progression including increase of kidney volume and decline in renal function. Efficacy of tolvaptan in patients with late-stage ADPKD was confirmed in another 1-year phase 3 REPRISE trial. Tolvaptan is approved for treatment of ADPKD in more than 40 countries and we expect it can contribute to more ADPKD patients worldwide. We also expect that drugs with new mechanisms will be available in the near future.
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Affiliation(s)
- Yoshihisa Yamada
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co., Ltd
| | - Hiroyuki Fujiki
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co., Ltd
| | - Hiroshi Mizuguchi
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co., Ltd
| | - Yukinobu Takeshita
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co., Ltd
| | - Katsuji Hattori
- Department of Renal and Cardiovascular Research, Otsuka Pharmaceutical Co., Ltd
| | - Koji Ohmoto
- Department of Medical Innovation, Otsuka Pharmaceutical Co., Ltd
| | - Miki Aihara
- Medical Affairs, Otsuka Pharmaceutical Co., Ltd
| | | | | | - Miho Yamamoto
- Regulatory Affairs Department, Otsuka Pharmaceutical Co., Ltd
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Afsar B, Afsar RE, Demiray A, Altay S, Korkmaz H, Yildiz A, Covic A, Ortiz A, Kanbay M. OUP accepted manuscript. Clin Kidney J 2022; 15:1275-1283. [PMID: 35756735 PMCID: PMC9217633 DOI: 10.1093/ckj/sfac029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Indexed: 11/15/2022] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most prevalent hereditary kidney disease. Recent evidence suggests that the pathogenesis of ADPKD is a complex web of abnormal cellular processes including altered cell signaling, disordered cell metabolism, impaired autophagy, increased apoptosis, mitochondrial dysfunction and chronic inflammation. Sodium–glucose cotransporter (SGLT) inhibitors (SGLTi) reduce body weight, blood pressure and blood glucose levels, have kidney and cardiovascular protective activity, and have been reported to decrease inflammation, increase autophagy and improve mitochondrial dysfunction. We now review results from preclinical studies on SGLTi for ADPKD identified through a systematic search of the MEDLINE, Cochrane Library, Embase and PubMed databases. Potential underlying mechanisms for the conflicting results reported as well as implications for clinical translation are discussed, as ADPKD patients were excluded from clinical trials exploring kidney protection by SGLT2 inhibitors (SGLT2i). However, they were not excluded from cardiovascular safety trials or trials for cardiovascular conditions. A post-hoc analysis of the kidney function trajectories and safety of SGLT2i in ADPKD patients enrolled in such trials may provide additional information. In conclusion, SGLT2i are cardio- and nephroprotective in diverse clinical situations. Currently, it is unclear whether ADPKD patients may benefit from SGLT2i in terms of kidney function preservation, and their safety in this population remains unexplored. We propose a roadmap to address this unmet clinical need.
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Affiliation(s)
- Baris Afsar
- Department of Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Rengin Elsurer Afsar
- Department of Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Atalay Demiray
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Sevval Altay
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Hakan Korkmaz
- Department of Medicine, Division of Endocrinology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Abdulmecit Yildiz
- Department of Medicine, Division of Nephrology, Uludag University School of Medicine, Bursa, Turkey
| | - Adrian Covic
- Nephrology Clinic, Dialysis and Renal Transplant Center, ‘C.I. PARHON’ University Hospital, and ‘Grigore T. Popa’ University of Medicine, Iasi, Romania
| | - Alberto Ortiz
- Department of Medicine, Universidad Autonoma de Madrid and IIS-Fundacion Jimenez Diaz, Madrid, Spain
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Wulfmeyer VC, Schmitt R. [What is evidence-based in the treatment of autosomal dominant polycystic kidney disease?]. Internist (Berl) 2021; 62:1259-1268. [PMID: 34713320 DOI: 10.1007/s00108-021-01199-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2021] [Indexed: 11/30/2022]
Abstract
The cystic transformation of the kidneys and liver are the most common symptoms of autosomal dominant polycystic kidney disease (prevalence 1:400-1:1000). A set of other manifestations can be observed less frequently, such as intracranial aneurysms. End-stage renal disease affects 50% of patients by the age of 70 years. To date, a targeted treatment is only available for patients at risk of rapidly progressive kidney failure. In 2015, the vasopressin receptor antagonist tolvaptan was approved in Germany for slowing down the decline of renal function in autosomal dominant polycystic kidney disease. Selecting the patients that benefit from tolvaptan treatment remains a major challenge. In recent years numerous clinical trials were carried out showing unspecific approaches to slow down the decline in renal function: strictly controlling blood pressure is one of the most important factors. Furthermore, unspecific approaches comprise suppression of vasopressin by sufficient fluid intake and restricted intake of salt. Weight reduction is recommended for obese patients. Lacking more causal approaches, these unspecific measures should be exploited in all patients. Currently, preclinical and clinical trials are testing numerous agents for the establishment of targeted treatment against the cystic degeneration of the kidneys and liver. This also includes dietary approaches. So far, in contrast to other genetic diseases, there are currently no gene therapy approaches for autosomal dominant polycystic kidney disease.
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Affiliation(s)
- Vera Christine Wulfmeyer
- Klinik für Nieren- und Hochdruckerkrankungen, Medizinische Hochschule Hannover (MHH), Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland.
| | - Roland Schmitt
- Klinik für Nieren- und Hochdruckerkrankungen, Medizinische Hochschule Hannover (MHH), Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland
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