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St Pierre K, Cashmore BA, Bolignano D, Zoccali C, Ruospo M, Craig JC, Strippoli GF, Mallett AJ, Green SC, Tunnicliffe DJ. Interventions for preventing the progression of autosomal dominant polycystic kidney disease. Cochrane Database Syst Rev 2024; 10:CD010294. [PMID: 39356039 PMCID: PMC11445802 DOI: 10.1002/14651858.cd010294.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/03/2024]
Abstract
BACKGROUND Autosomal dominant polycystic kidney disease (ADPKD) is the leading inherited cause of kidney disease. Clinical management has historically focused on symptom control and reducing associated complications. Improved understanding of the molecular and cellular mechanisms involved in kidney cyst growth and disease progression has resulted in new pharmaceutical agents targeting disease pathogenesis and preventing disease progression. However, the role of disease-modifying agents for all people with ADPKD is unclear. This is an update of a review first published in 2015. OBJECTIVES We aimed to evaluate the benefits and harms of interventions to prevent the progression of ADPKD and the safety based on patient-important endpoints, defined by the Standardised Outcomes in NephroloGy-Polycystic Kidney Disease (SONG-PKD) core outcome set, and general and specific adverse effects. SEARCH METHODS We searched the Cochrane Kidney and Transplants Register of Studies up to 13 August 2024 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Registry Platform (ICTRP) Search Portal, and ClinicalTrials.gov. SELECTION CRITERIA Randomised controlled trials (RCTs) comparing any interventions for preventing the progression of ADPKD with other interventions, placebo, or standard care were considered for inclusion. DATA COLLECTION AND ANALYSIS Two authors independently assessed study risks of bias and extracted data. Summary estimates of effects were obtained using a random-effects model, and results were expressed as risk ratios (RR) and their 95% confidence intervals (CI) for dichotomous outcomes and mean difference (MD) or standardised mean difference (SMD) and 95% CI for continuous outcomes. Confidence in the evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. MAIN RESULTS We included 57 studies (8016 participants) that investigated 18 pharmacological interventions (vasopressin 2 receptor (V2R) antagonists, antihypertensive therapy, mammalian target of rapamycin (mTOR) inhibitors, somatostatin analogues, antiplatelet agents, eicosapentaenoic acids, statins, kinase inhibitors, diuretics, anti-diabetic agents, water intake, dietary intervention, and supplements) in this review. Compared to placebo, the V2R antagonist tolvaptan probably preserves eGFR (3 studies, 2758 participants: MD 1.26 mL/min/1.73 m2, 95% CI 0.73 to 1.78; I2 = 0%) and probably slows total kidney volume (TKV) growth in adults (1 study, 1307 participants: MD -2.70 mL/cm, 95% CI -3.24 to -2.16) (moderate certainty evidence). However, there was insufficient evidence to determine tolvaptan's impact on kidney failure and death. There may be no difference in serious adverse events; however, treatment probably increases nocturia, fatigue and liver enzymes, may increase dry mouth and thirst, and may decrease hypertension and urinary and upper respiratory tract infections. Data on the impact of other therapeutic interventions were largely inconclusive. Compared to placebo, somatostatin analogues probably decrease TKV (6 studies, 500 participants: SMD -0.33, 95% CI -0.51 to -0.16; I2 = 11%), probably have little or no effect on eGFR (4 studies, 180 participants: MD 4.11 mL/min/1.73 m3, 95% CI -3.19 to 11.41; I2 = 0%) (moderate certainty evidence), and may have little or no effect on kidney failure (2 studies, 405 participants: RR 0.64, 95% CI 0.16 to 2.49; I2 = 39%; low certainty evidence). Serious adverse events may increase (2 studies, 405 participants: RR 1.81, 95% CI 1.01 to 3.25; low certainty evidence). Somatostatin analogues probably increase alopecia, diarrhoea or abnormal faeces, dizziness and fatigue but may have little or no effect on anaemia or infection. The effect on death is unclear. Targeted low blood pressure probably results in a smaller per cent annual increase in TKV (1 study, 558 participants: MD -1.00, 95% CI -1.67 to -0.33; moderate certainty evidence) compared to standard blood pressure targets, had uncertain effects on death, but probably do not impact other outcomes such as change in eGFR or adverse events. Kidney failure was not reported. Data comparing antihypertensive agents, mTOR inhibitors, eicosapentaenoic acids, statins, vitamin D compounds, metformin, trichlormethiazide, spironolactone, bosutinib, curcumin, niacinamide, prescribed water intake and antiplatelet agents were sparse and inconclusive. An additional 23 ongoing studies were also identified, including larger phase III RCTs, which will be assessed in a future update of this review. AUTHORS' CONCLUSIONS Although many interventions have been investigated in patients with ADPKD, at present, there is little evidence that they improve patient outcomes. Tolvaptan is the only therapeutic intervention that has demonstrated the ability to slow disease progression, as assessed by eGFR and TKV change. However, it has not demonstrated benefits for death or kidney failure. In order to confirm the role of other therapeutic interventions in ADPKD management, large RCTs focused on patient-centred outcomes are needed. The search identified 23 ongoing studies, which may provide more insight into the role of specific interventions.
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Affiliation(s)
- Kitty St Pierre
- Faculty of Medicine, The University of Queensland, Brisbane, Australia
- Pharmacy Department, Gold Coast University Hospital, Gold Coast, Australia
| | - Brydee A Cashmore
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
| | - Davide Bolignano
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Carmine Zoccali
- Institute of Clinical Physiology, CNR - Italian National Council of Research, Reggio Calabria, Italy
| | - Marinella Ruospo
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
| | - Jonathan C Craig
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
- College of Medicine and Public Health, Flinders University, Adelaide, Australia
| | - Giovanni Fm Strippoli
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
- Cochrane Kidney and Transplant, Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
| | - Andrew J Mallett
- Department of Renal Medicine, Townsville Hospital and Health Service, Townsville, Australia
- Australasian Kidney Trials Network, The University of Queensland, Herston, Australia
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Australia
- College of Medicine and Dentistry, James Cook University, Townsville, Australia
| | - Suetonia C Green
- Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
| | - David J Tunnicliffe
- Sydney School of Public Health, The University of Sydney, Sydney, Australia
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, Australia
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Raina R, Shah R, Hong G, Bhatt GC, Abboud B, Jain R, Chanchlani R, Sethi SK. Cardiovascular implications of hypertensive autosomal dominant polycystic kidney disease: a systematic review and meta-analysis. Pediatr Nephrol 2023; 38:2957-2972. [PMID: 36811694 DOI: 10.1007/s00467-023-05893-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 12/28/2022] [Accepted: 01/18/2023] [Indexed: 02/24/2023]
Abstract
BACKGROUND Autosomal dominant polycystic kidney disease (ADPKD) is among the most common inherited kidney diseases. Hypertension is a frequent cardiovascular manifestation, especially in adults, but elevated blood pressure is also found in children and adolescents. Acknowledgment of pediatric hypertension early is critical, as it can result in serious complications long-term if left undiagnosed. OBJECTIVE We aim to identify the influence of hypertension on cardiovascular outcomes, mainly left ventricular hypertrophy, carotid intima media thickness, and pulse wave velocity. METHODS We performed an extensive search on Medline, Embase, CINAHL, and Web of Science databases through March 2021. Original studies with a mix of retrospective, prospective, case-control studies, cross sectional studies, and observational studies were included in the review. There was no restriction on age group. RESULTS The preliminary search yielded 545 articles with 15 articles included after inclusion and exclusion criteria. In this meta-analysis, LVMI (SMD: 3.47 (95% CI: 0.53-6.41)) and PWV (SMD: 1.72 (95% CI: 0.08-3.36)) were found to be significantly higher in adults with ADPKD compared to non-ADPKD; however, CIMT was not found to be significantly different. Also, LVMI was observed to be significantly higher among hypertensive adults with ADPKD (n = 56) as compared to adults without ADPKD (SMD: 1.43 (95% CI: 1.08-1.79)). Fewer pediatric studies were available with heterogeneity among patient populations and results. CONCLUSIONS Adult patients with ADPKD were found to have worse indicators of cardiovascular outcomes, including LVMI and PWV, as compared to non-ADPKD. This study demonstrates the importance of identifying and managing hypertension, especially early, in this population. Further research, particularly in younger patients, is necessary to further elucidate the relationship between hypertension in patients with ADPKD and cardiovascular disease. REGISTRATION NUMBER PROSPERO REGISTRATION: 343,013.
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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.
| | - Raghav Shah
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Gordon Hong
- Northeast Ohio Medical University, Rootstown, OH, USA
| | - Girish C Bhatt
- Division of Pediatric Nephrology, Department of Pediatrics, All India Institute of Medical Sciences (AIIMS), Bhopal, Madhya Pradesh, India
| | - Brian Abboud
- Northeast Ohio Medical University, Rootstown, OH, USA
| | - Rohit Jain
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Rahul Chanchlani
- Division of Pediatric Nephrology, Department of Pediatrics, McMaster Children's Hospital, Hamilton, ON, Canada
| | - Siddharth Kumar Sethi
- Paediatric Nephrology & Paediatric Kidney Transplantation, Kidney and Urology Institute, Medanta, The Medicity Hospital, Gurgaon, India
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Crompton M, Skinner LJ, Satchell SC, Butler MJ. Aldosterone: Essential for Life but Damaging to the Vascular Endothelium. Biomolecules 2023; 13:1004. [PMID: 37371584 PMCID: PMC10296074 DOI: 10.3390/biom13061004] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/12/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
The renin angiotensin aldosterone system is a key regulator of blood pressure. Aldosterone is the final effector of this pathway, acting predominantly via mineralocorticoid receptors. Aldosterone facilitates the conservation of sodium and, with it, water and acts as a powerful stimulus for potassium excretion. However, evidence for the pathological impact of excess mineralocorticoid receptor stimulation is increasing. Here, we discussed how in the heart, hyperaldosteronism is associated with fibrosis, cardiac dysfunction, and maladaptive hypertrophy. In the kidney, aldosterone was shown to cause proteinuria and fibrosis and may contribute to the progression of kidney disease. More recently, studies suggested that aldosterone excess damaged endothelial cells. Here, we reviewed how damage to the endothelial glycocalyx may contribute to this process. The endothelial glycocalyx is a heterogenous, negatively charged layer on the luminal surface of cells. Aldosterone exposure alters this layer. The resulting structural changes reduced endothelial reactivity in response to protective shear stress, altered permeability, and increased immune cell trafficking. Finally, we reviewed current therapeutic strategies for limiting endothelial damage and suggested that preventing glycocalyx remodelling in response to aldosterone exposure may provide a novel strategy, free from the serious adverse effect of hyperkalaemia seen in response to mineralocorticoid blockade.
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Affiliation(s)
| | | | | | - Matthew J. Butler
- Bristol Renal, Dorothy Hodgkin Building, University of Bristol, Whitson Street, Bristol BS1 3NY, UK
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Steele CN, Oh ES, Wang W, Farmer-Bailey H, Gitomer BY, Chonchol M, Nowak KL. Cerebrovascular Pulsatility Index Is Reduced in Autosomal Dominant Polycystic Kidney Disease. Am J Nephrol 2023; 54:165-174. [PMID: 37231790 PMCID: PMC10529076 DOI: 10.1159/000530583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/17/2023] [Indexed: 05/27/2023]
Abstract
INTRODUCTION Cerebrovascular dysfunction, characterized by increased brain pulsatile flow, reduced cerebrovascular reactivity, and cerebral hypoperfusion precedes the onset of dementia and is linked to cognitive dysfunction. Autosomal dominant polycystic kidney disease (ADPKD) may increase the risk of dementia, and intracranial aneurysms are more prevalent in ADPKD patients. However, cerebrovascular function has not been previously characterized in patients with ADPKD. METHODS Using transcranial Doppler, we compared middle cerebral artery (MCA) pulsatility index (PI, cerebrovascular stiffness) and MCA blood velocity response to hypercapnia (normalized for blood pressure and end-tidal CO2, cerebrovascular reactivity) in patients with early-stage ADPKD versus age-matched healthy controls. We also administered the NIH cognitive toolbox (cognitive function) and measured carotid-femoral pulse-wave velocity (PWV, aortic stiffness). RESULTS Fifteen participants with ADPKD (9F, 27 ± 4 yrs, eGFR: 106 ± 22 mL/min/1.73 m2) were compared to 15 healthy controls (8F, 29 ± 4 yrs, eGFR: 109 ± 14 mL/min/1.73 m2). MCA PI was unexpectedly lower in ADPKD (0.71 ± 0.07) versus controls (0.82 ± 0.09 AU; p < 0.001); however, normalized MCA blood velocity in response to hypercapnia did not differ between groups (2.0 ± 1.2 vs. 2.1 ± 0.8 %Δ/mm Hg; p = 0.85). Lower MCA PI was associated with a lower crystalized composite score (cognition), which persisted after adjustment for age, sex, eGFR, and education (β = 0.58, p = 0.007). There was no association of MCA PI with carotid-femoral PWV (r = 0.01, p = 0.96), despite greater carotid-femoral PWV in ADPKD, suggesting MCA PI reflects vascular properties other than arterial stiffness (such as low wall shear stress) in ADPKD. DISCUSSION/CONCLUSION MCA PI is lower in patients with ADPKD. Follow-up research on this observation is merited as low PI has been associated with intracranial aneurysm in other populations.
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Affiliation(s)
- Cortney N Steele
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Ester S Oh
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Wei Wang
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Heather Farmer-Bailey
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Berenice Y Gitomer
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Michel Chonchol
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Kristen L Nowak
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Wolter NL, Jaffe IZ. Emerging vascular cell-specific roles for mineralocorticoid receptor: implications for understanding sex differences in cardiovascular disease. Am J Physiol Cell Physiol 2023; 324:C193-C204. [PMID: 36440858 PMCID: PMC9902217 DOI: 10.1152/ajpcell.00372.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/04/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022]
Abstract
As growing evidence implicates extrarenal mineralocorticoid receptor (MR) in cardiovascular disease (CVD), recent studies have defined both cell- and sex-specific roles. MR is expressed in vascular smooth muscle (SMC) and endothelial cells (ECs). This review integrates published data from the past 5 years to identify novel roles for vascular MR in CVD, with a focus on understanding sex differences. Four areas are reviewed in which there is recently expanded understanding of the cell type- or sex-specific role of MR in 1) obesity-induced microvascular endothelial dysfunction, 2) vascular inflammation in atherosclerosis, 3) pulmonary hypertension, and 4) chronic kidney disease (CKD)-related CVD. The review focuses on preclinical data on each topic describing new mechanistic paradigms, cell type-specific mechanisms, sexual dimorphism if addressed, and clinical implications are then considered. New data support that MR drives vascular dysfunction induced by cardiovascular risk factors via sexually dimorphic mechanisms. In females, EC-MR contributes to obesity-induced endothelial dysfunction by regulating epithelial sodium channel expression and by inhibiting estrogen-induced nitric oxide production. In males with hyperlipidemia, EC-MR promotes large vessel inflammation by genomic regulation of leukocyte adhesion molecules, which is inhibited by the estrogen receptor. In pulmonary hypertension models, MRs in EC and SMC contribute to distinct components of disease pathologies including pulmonary vessel remodeling and RV dysfunction. Despite a female predominance in pulmonary hypertension, sex-specific roles for MR have not been explored. Vascular MR has also been directly implicated in CKD-related vascular dysfunction, independent of blood pressure. Despite these advances, sex differences in MR function remain understudied.
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Affiliation(s)
- Nicole L Wolter
- Molecular Cardiology Research Institute, https://ror.org/002hsbm82Tufts Medical Center, Boston, Massachusetts
- Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, Massachusetts
| | - Iris Z Jaffe
- Molecular Cardiology Research Institute, https://ror.org/002hsbm82Tufts Medical Center, Boston, Massachusetts
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Javaheri A, Diab A, Zhao L, Qian C, Cohen JB, Zamani P, Kumar A, Wang Z, Ebert C, Maranville J, Kvikstad E, Basso M, van Empel V, Richards AM, Doughty R, Rietzschell E, Kammerhoff K, Gogain J, Schafer P, Seiffert DA, Gordon DA, Ramirez-Valle F, Mann DL, Cappola TP, Chirinos JA. Proteomic Analysis of Effects of Spironolactone in Heart Failure With Preserved Ejection Fraction. Circ Heart Fail 2022; 15:e009693. [PMID: 36126144 PMCID: PMC9504263 DOI: 10.1161/circheartfailure.121.009693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 06/16/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND The TOPCAT trial (Treatment of Preserved Cardiac Function Heart Failure With an Aldosterone Antagonist Trial) suggested clinical benefits of spironolactone treatment among patients with heart failure with preserved ejection fraction enrolled in the Americas. However, a comprehensive assessment of biologic pathways impacted by spironolactone therapy in heart failure with preserved ejection fraction has not been performed. METHODS We conducted aptamer-based proteomic analysis utilizing 5284 modified aptamers to 4928 unique proteins on plasma samples from TOPCAT participants from the Americas (n=164 subjects with paired samples at baseline and 1 year) to identify proteins and pathways impacted by spironolactone therapy in heart failure with preserved ejection fraction. Mean percentage change from baseline was calculated for each protein. Additionally, we conducted pathway analysis of proteins altered by spironolactone. RESULTS Spironolactone therapy was associated with proteome-wide significant changes in 7 proteins. Among these, CARD18 (caspase recruitment domain-containing protein 18), PKD2 (polycystin 2), and PSG2 (pregnancy-specific glycoprotein 2) were upregulated, whereas HGF (hepatic growth factor), PLTP (phospholipid transfer protein), IGF2R (insulin growth factor 2 receptor), and SWP70 (switch-associated protein 70) were downregulated. CARD18, a caspase-1 inhibitor, was the most upregulated protein by spironolactone (-0.5% with placebo versus +66.5% with spironolactone, P<0.0001). The top canonical pathways that were significantly associated with spironolactone were apelin signaling, stellate cell activation, glycoprotein 6 signaling, atherosclerosis signaling, liver X receptor activation, and farnesoid X receptor activation. Among the top pathways, collagens were a consistent theme that increased in patients receiving placebo but decreased in patients randomized to spironolactone. CONCLUSIONS Proteomic analysis in the TOPCAT trial revealed proteins and pathways altered by spironolactone, including the caspase inhibitor CARD18 and multiple pathways that involved collagens. In addition to effects on fibrosis, our studies suggest potential antiapoptotic effects of spironolactone in heart failure with preserved ejection fraction, a hypothesis that merits further exploration.
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Affiliation(s)
- Ali Javaheri
- Washington University School of Medicine, St. Louis, MO
| | - Ahmed Diab
- Washington University School of Medicine, St. Louis, MO
| | - Lei Zhao
- Bristol Myers Squibb Company, Lawrenceville, NJ
| | - Chenao Qian
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
| | - Jordana B. Cohen
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
| | - Payman Zamani
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
| | - Anupam Kumar
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
| | | | | | | | | | | | - Vanessa van Empel
- Department of Cardiology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - A. Mark Richards
- Cardiovascular Research Institute, National University of Singapore, Singapore
- Christchurch Heart Institute, University of Otago, Christchurch, New Zealand
| | - Rob Doughty
- Christchurch Heart Institute, University of Otago, Christchurch, New Zealand
| | - Ernst Rietzschell
- Department of Cardiovascular Diseases, Ghent University Hospital, Ghent, Belgium
| | | | | | | | | | | | | | | | - Thomas P. Cappola
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
| | - Julio A. Chirinos
- Perelman School of Medicine. University of Pennsylvania School of Medicine/Hospital of the University of Pennsylvania. Philadelphia, PA
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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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Nowak KL, Farmer-Bailey H, Wang W, You Z, Steele C, Cadnapaphornchai MA, Klawitter J, Patel N, George D, Jovanovich A, Soranno DE, Gitomer B, Chonchol M. Curcumin Therapy to Treat Vascular Dysfunction in Children and Young Adults with ADPKD: A Randomized Controlled Trial. Clin J Am Soc Nephrol 2022; 17:240-250. [PMID: 34907021 PMCID: PMC8823928 DOI: 10.2215/cjn.08950621] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 12/09/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND OBJECTIVES Clinical manifestations of autosomal dominant polycystic kidney disease (ADPKD), including evidence of vascular dysfunction, can begin in childhood. Curcumin is a polyphenol found in turmeric that reduces vascular dysfunction in rodent models and humans without ADPKD. It also slows kidney cystic progression in a murine model of ADPKD. We hypothesized that oral curcumin therapy would reduce vascular endothelial dysfunction and arterial stiffness in children/young adults with ADPKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS In a randomized, placebo-controlled, double-blind trial, 68 children/young adults 6-25 years of age with ADPKD and eGFR>80 ml/min per 1.73 m2 were randomized to either curcumin supplementation (25 mg/kg body weight per day) or placebo administered in powder form for 12 months. The coprimary outcomes were brachial artery flow-mediated dilation and aortic pulse-wave velocity. We also assessed change in circulating/urine biomarkers of oxidative stress/inflammation and kidney growth (height-adjusted total kidney volume) by magnetic resonance imaging. In a subgroup of participants ≥18 years, vascular oxidative stress was measured as the change in brachial artery flow-mediated dilation following an acute infusion of ascorbic acid. RESULTS Enrolled participants were 18±5 (mean ± SD) years, 54% were girls, baseline brachial artery flow-mediated dilation was 9.3±4.1% change, and baseline aortic pulse-wave velocity was 512±94 cm/s. Fifty-seven participants completed the trial. Neither coprimary end point changed with curcumin (estimated change [95% confidence interval] for brachial artery flow-mediated dilation [percentage change]: curcumin: 1.14; 95% confidence interval, -0.84 to 3.13; placebo: 0.33; 95% confidence interval, -1.34 to 2.00; estimated difference for change: 0.81; 95% confidence interval, -1.21 to 2.84; P=0.48; aortic pulse-wave velocity [centimeters per second]: curcumin: 0.6; 95% confidence interval, -25.7 to 26.9; placebo: 6.5; 95% confidence interval, -20.4 to 33.5; estimated difference for change: -5.9; 95% confidence interval, -35.8 to 24.0; P=0.67; intent to treat). There was no curcumin-specific reduction in vascular oxidative stress or changes in mechanistic biomarkers. Height-adjusted total kidney volume also did not change as compared with placebo. CONCLUSIONS Curcumin supplementation does not improve vascular function or slow kidney growth in children/young adults with ADPKD. CLINICAL TRIAL REGISTRY NAME AND REGISTRATION NUMBER Curcumin Therapy to Treat Vascular Dysfunction in Children and Young Adults with ADPKD, NCT02494141. PODCAST This article contains a podcast at https://www.asn-online.org/media/podcast/CJASN/2022_02_07_CJN08950621.mp3.
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Affiliation(s)
- Kristen L. Nowak
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Heather Farmer-Bailey
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Wei Wang
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Zhiying You
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Cortney Steele
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Melissa A. Cadnapaphornchai
- Rocky Mountain Pediatric Kidney Center, Rocky Mountain Hospital for Children at Presbyterian St. Luke’s Medical Center, Denver, Colorado
| | - Jelena Klawitter
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Nayana Patel
- Department of Radiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Diana George
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Anna Jovanovich
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado,Department of Nephrology, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado
| | - Danielle E. Soranno
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado,Children’s Hospital Colorado, Aurora, Colorado
| | - Berenice Gitomer
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Michel Chonchol
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado
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The effects of the renin–angiotensin–aldosterone system blockers on serum ischemia-modified albumin levels in autosomal dominant polycystic kidney disease. Ir J Med Sci 2022; 191:2777-2783. [DOI: 10.1007/s11845-022-02925-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/13/2022] [Indexed: 10/19/2022]
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Vasileva VY, Sultanova RF, Sudarikova AV, Ilatovskaya DV. Insights Into the Molecular Mechanisms of Polycystic Kidney Diseases. Front Physiol 2021; 12:693130. [PMID: 34566674 PMCID: PMC8456103 DOI: 10.3389/fphys.2021.693130] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 08/10/2021] [Indexed: 12/18/2022] Open
Abstract
Autosomal dominant (AD) and autosomal recessive (AR) polycystic kidney diseases (PKD) are severe multisystem genetic disorders characterized with formation and uncontrolled growth of fluid-filled cysts in the kidney, the spread of which eventually leads to the loss of renal function. Currently, there are no treatments for ARPKD, and tolvaptan is the only FDA-approved drug that alleviates the symptoms of ADPKD. However, tolvaptan has only a modest effect on disease progression, and its long-term use is associated with many side effects. Therefore, there is still a pressing need to better understand the fundamental mechanisms behind PKD development. This review highlights current knowledge about the fundamental aspects of PKD development (with a focus on ADPKD) including the PC1/PC2 pathways and cilia-associated mechanisms, major molecular cascades related to metabolism, mitochondrial bioenergetics, and systemic responses (hormonal status, levels of growth factors, immune system, and microbiome) that affect its progression. In addition, we discuss new information regarding non-pharmacological therapies, such as dietary restrictions, which can potentially alleviate PKD.
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Affiliation(s)
| | - Regina F Sultanova
- Saint-Petersburg State Chemical Pharmaceutical University, St. Petersburg, Russia.,Department of Physiology, Augusta University, Augusta, GA, United States
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Patel DM, Dahl NK. Examining the Role of Novel CKD Therapies for the ADPKD Patient. KIDNEY360 2021; 2:1036-1041. [PMID: 35373079 PMCID: PMC8791369 DOI: 10.34067/kid.0007422020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/23/2021] [Indexed: 12/19/2022]
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Bellos I, Kontzoglou K, Perrea DN. Markers of endothelial dysfunction and arterial stiffness in patients with early-stage autosomal dominant polycystic kidney disease: A meta-analysis. Int J Clin Pract 2021; 75:e13721. [PMID: 32946652 DOI: 10.1111/ijcp.13721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/11/2020] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES Autosomal dominant polycystic kidney disease (ADPKD) is characterised by increased rates of cardiovascular complications leading to significant morbidity and mortality. This meta-analysis aims to evaluate whether the disease is linked to endothelial dysfunction and arterial stiffness during its early stages. METHODS Medline, Scopus, CENTRAL, Web of Science, Clinicaltrials.gov and Google Scholar databases comparing ADPKD patients with preserved renal function to healthy controls were included. The outcomes of interest were brachial flow-mediated dilatation, carotid-femoral pulse wave velocity, augmentation index, carotid intima-media thickness and central systolic blood pressure, plasma ADMA or homocysteine levels. Standardised mean differences (SMDs) were estimated by a random-effects model in R-3.6.3. RESULTS A total of 27 studies were included, comprising 1967 individuals. ADPKD was linked to significantly lower flow-mediated dilatation (SMD: -1.44, 95% CI: [-2.35, -0.53]) and higher pulse wave velocity (SMD: 1.44, 95% CI: [0.22, 2.66]) and carotid intima-media thickness (SMD: 1.02, 95% CI: [0.57, 1.47]). No significant associations were noted regarding augmentation index (SMD: 0.62, 95% CI: [-0.19, 1.43]) and central systolic blood pressure (SMD: 1.84, 95% CI: [-0.12, 3.80]). Plasma homocysteine was significantly higher in ADPKD (SMD: 0.81, 95% CI: [0.16, 1.45]), while no difference was calculated for ADMA levels (SMD: 1.14, 95% CI: [-0.25, 2.53]). CONCLUSIONS Early-stage ADPKD patients present increased vascular stiffness and endothelial dysfunction, as reflected by low flow-mediated dilatation and elevated values of pulse wave velocity, carotid intima-media thickness and plasma homocysteine. The exact effects of early arterial stiffness on long-term outcomes remain to be elucidated.
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Affiliation(s)
- Ioannis Bellos
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens University Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Kontzoglou
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens University Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Despina N Perrea
- Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, Athens University Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Sakima A, Arima H, Matayoshi T, Ishida A, Ohya Y. Effect of Mineralocorticoid Receptor Blockade on Arterial Stiffness and Endothelial Function: A Meta-Analysis of Randomized Trials. Hypertension 2021; 77:929-937. [PMID: 33461316 DOI: 10.1161/hypertensionaha.120.16397] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although numerous studies have confirmed the beneficial effects of pharmacological therapy for arterial stiffness and endothelial dysfunction, which are predictors/therapeutic targets for cardiovascular diseases, only a few overall quantitative evaluations of MRAs (mineralocorticoid receptor antagonists) exist. We searched PubMed and Cochrane CENTRAL (Cochrane Central Register of Controlled Trials) for randomized trials evaluating MRA effects on arterial stiffness measured by pulse wave velocity (PWV) or augmentation index and endothelial function measured by flow-mediated dilation. Data from the included trials were pooled by using random-effects meta-analysis of the weighted mean difference (MD) between the comparator groups. The primary outcome was the MD of PWV. In 11 trials including 515 patients, the MRA treatment reduced the PWV when compared with control (MD, -0.75 m/s [95% CI, -1.12 to -0.39], P<0.00001), without heterogeneity. There were comparable effects of MRA on carotid-femoral PWV and those on other forms of PWV (P=0.705 for heterogeneity). The effects of MRA on PWV were independent of blood pressure reduction related to the treatment according to meta-regression analysis. The MRA treatment reduced the augmentation index compared with control in 5 trials including 283 patients (MD, -6.74% [95% CI, -10.26 to -3.21], P=0.0002) and increased the flow-mediated dilation in 11 trials including 570 patients (MD, 1.18% [95% CI, 0.14 to 2.23], P=0.03). In conclusion, the current meta-analysis demonstrates the beneficial effects of MRA on PWV, augmentation index, and flow-mediated dilation.
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Affiliation(s)
- Atsushi Sakima
- From the Health Administration Center (A.S.), University of the Ryukyus, Okinawa, Japan
| | - Hisatomi Arima
- Department of Preventive Medicine and Public Health, Faculty of Medicine, Fukuoka University, Fukuoka, Japan (H.A.)
| | - Tetsutaro Matayoshi
- Department of Cardiovascular Medicine, Nephrology, and Neurology, Graduate School of Medicine (A.S., T.M., A.I., Y.O.), University of the Ryukyus, Okinawa, Japan.,Doctors Career Support Center, University Hospital of the Ryukyus, Okinawa, Japan (T.M.)
| | - Akio Ishida
- Department of Cardiovascular Medicine, Nephrology, and Neurology, Graduate School of Medicine (A.S., T.M., A.I., Y.O.), University of the Ryukyus, Okinawa, Japan
| | - Yusuke Ohya
- Department of Cardiovascular Medicine, Nephrology, and Neurology, Graduate School of Medicine (A.S., T.M., A.I., Y.O.), University of the Ryukyus, Okinawa, Japan
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Pickup L, Radhakrishnan A, Townend JN, Ferro CJ. Arterial stiffness in chronic kidney disease. Curr Opin Nephrol Hypertens 2019; 28:527-536. [DOI: 10.1097/mnh.0000000000000535] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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