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Abstract
Gout, a debilitating inflammatory arthritis, currently affects more than 9 million Americans. Hyperuricemia, the laboratory abnormality associated with the development of gout, also occurs in a significant number of patients with chronic kidney disease (CKD), a condition that affects approximately 14% of the US population. Several recent studies have attempted to provide a definitive link between the presence of hyperuricemia and progression of CKD; however, the treatment of asymptomatic hyperuricemia in CKD is not supported by recent randomized controlled trials. The pharmacology of acute gout flares and urate lowering is complicated in patients who also have evidence of CKD, primarily because of an increased risk of medication toxicity. Recipients of kidney transplants are particularly at risk of debilitating gout and medication toxicity. We review the available data linking CKD, gout, and hyperuricemia, providing practice guidelines on managing gout in CKD patients and kidney transplant recipients. We advocate for much greater involvement of nephrologists in the management of gout in renal patients.
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Affiliation(s)
| | - David B Mount
- Renal Division, Brigham and Women's Hospital, Boston, MA; Renal Division, VA Boston Healthcare System, Harvard Medical School, Boston, MA.
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152
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Febuxostat cardiovascular safety revisited. Nat Rev Rheumatol 2021; 17:3. [PMID: 33219346 DOI: 10.1038/s41584-020-00547-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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153
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Abstract
PURPOSE OF REVIEW To review recent literature with relevance to the management of multimorbid patients with gout, i.e., gout medication repurposed for comorbidities and vice versa. RECENT FINDINGS Adding to the previous success of interleukin-1 inhibition, two trials on low-dose colchicine's role in cardiovascular disease (CVD) demonstrated potential benefits in patients with or without gout. In Colchicine Cardiovascular Outcomes Trial, a composite CVD endpoint was reduced by 23% among patients who had experienced a recent myocardial infarction. In Low-Dose Colchicine 2, the composite CVD endpoint was reduced 31% among those with stable coronary artery disease. Use of urate-lowering therapy (ULT) for renal protection in patients without gout produced null results. Allopurinol did not benefit the glomerular filtration rate in two trials (Controlled trial of slowing of Kidney Disease progression From the Inhibition of Xanthine oxidase and Preventing Early Renal Function Loss) among patients with chronic kidney disease (with or without hyperuricemia, but not gout). SGLT-2 inhibitors, a medication recommended for patients with diabetes and CVD, diabetic kidney disease, or heart failure, demonstrated a protective effect against gout flares in a secondary trial analysis and a large observational study. SUMMARY The role of colchicine may expand beyond gout flare prevention to patients with existing CVD. The renal benefit of ULT among patients with gout remains unclear. SGLT-2 inhibitors may benefit diabetic patients who have gout as a comorbidity.
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Affiliation(s)
- Kazuki Yoshida
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital
- Harvard Medical School
| | - Hyon K Choi
- Harvard Medical School
- Division of Rheumatology, Allergy & Immunology, Department of Medicine, Massachusetts General Hospital
| | - Daniel H Solomon
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital
- Harvard Medical School
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
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154
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Febuxostat: Keine kardiovaskulären Sicherheitsbedenken in aktueller Studie. Dtsch Med Wochenschr 2021. [DOI: 10.1055/a-1349-3325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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155
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Identification of Two Dysfunctional Variants in the ABCG2 Urate Transporter Associated with Pediatric-Onset of Familial Hyperuricemia and Early-Onset Gout. Int J Mol Sci 2021; 22:ijms22041935. [PMID: 33669292 PMCID: PMC7920026 DOI: 10.3390/ijms22041935] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/03/2021] [Accepted: 02/10/2021] [Indexed: 12/15/2022] Open
Abstract
The ABCG2 gene is a well-established hyperuricemia/gout risk locus encoding a urate transporter that plays a crucial role in renal and intestinal urate excretion. Hitherto, p.Q141K—a common variant of ABCG2 exhibiting approximately one half the cellular function compared to the wild-type—has been reportedly associated with early-onset gout in some populations. However, compared with adult-onset gout, little clinical information is available regarding the association of other uricemia-associated genetic variations with early-onset gout; the latent involvement of ABCG2 in the development of this disease requires further evidence. We describe a representative case of familial pediatric-onset hyperuricemia and early-onset gout associated with a dysfunctional ABCG2, i.e., a clinical history of three generations of one Czech family with biochemical and molecular genetic findings. Hyperuricemia was defined as serum uric acid (SUA) concentrations 420 μmol/L for men or 360 μmol/L for women and children under 15 years on two measurements, performed at least four weeks apart. The proband was a 12-year-old girl of Roma ethnicity, whose SUA concentrations were 397–405 µmol/L. Sequencing analyses focusing on the coding region of ABCG2 identified two rare mutations—c.393G>T (p.M131I) and c.706C>T (p.R236X). Segregation analysis revealed a plausible link between these mutations and hyperuricemia and the gout phenotype in family relatives. Functional studies revealed that p.M131I and p.R236X were functionally deficient and null, respectively. Our findings illustrate why genetic factors affecting ABCG2 function should be routinely considered in clinical practice as part of a hyperuricemia/gout diagnosis, especially in pediatric-onset patients with a strong family history.
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156
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Christoph M, Schön S, Wunderlich C. Hyperurikämie, Gicht und Herz – eine kritische Diskussion im Licht der aktuellen Literatur. AKTUEL RHEUMATOL 2021. [DOI: 10.1055/a-1347-4144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
ZusammenfassungZahlreiche Untersuchungen zeigen, dass Patienten mit Hyperurikämie und insbesondere mit symptomatischer Hyperurikämie, einer Gicht, kardiovaskuläre Risikopatienten sind. Bei symptomatischer Hyperurikämie sollte nach aktuellen Leitlinien eine harnsäuresenkende Therapie mit Zielwert-Erreichung eingeleitet werden. Darüber hinaus sind die Diagnose und optimale Therapie der klassischen kardiovaskulären Risikofaktoren von besonderer Bedeutung.
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Affiliation(s)
- Marian Christoph
- Klinik für Innere Medizin, Klinikum Chemnitz gGmbH Krankenhaus Küchwald, Chemnitz, Deutschland
| | - Steffen Schön
- Klinik für Innere Medizin, HELIOS Klinikum Pirna, Pirna, Deutschland
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157
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Borghi C, Domienik-Karłowicz J, Tykarski A, Widecka K, Filipiak KJ, Jaguszewski MJ, Narkiewicz K, Mancia G. Expert consensus for the diagnosis and treatment of patient with hyperuricemia and high cardiovascular risk: 2021 update. Cardiol J 2021; 28:1-14. [PMID: 33438180 DOI: 10.5603/cj.a2021.0001] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 01/08/2021] [Indexed: 12/22/2022] Open
Affiliation(s)
- Claudio Borghi
- Department of Medical and Surgical Sciences, University of Bologna, Italy
| | - Justyna Domienik-Karłowicz
- Department of Internal Medicine and Cardiology with the Center for Diagnosis and Treatment of Venous Thromboembolism, Medical University of Warsaw, Poland.,Club 30, Polish Cardiac Society, Poland
| | - Andrzej Tykarski
- Department of Hypertension, Angiology and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Krystyna Widecka
- Department of Hypertension and Internal Medicine, Pomeranian Medical University, Szczecin, Poland
| | | | | | - Krzysztof Narkiewicz
- Department of Hypertension and Diabetology, Medical University of Gdansk, Poland
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158
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Cicero AFG, Fogacci F, Kuwabara M, Borghi C. Therapeutic Strategies for the Treatment of Chronic Hyperuricemia: An Evidence-Based Update. ACTA ACUST UNITED AC 2021; 57:medicina57010058. [PMID: 33435164 PMCID: PMC7827966 DOI: 10.3390/medicina57010058] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/30/2020] [Accepted: 01/07/2021] [Indexed: 12/11/2022]
Abstract
This article aims to critically review the evidence on the available therapeutic strategies for the treatment of hyperuricemia. For this reason, several papers were reviewed. Xanthine oxidase inhibitors are the safest and most effective uric acid lowering drugs for the management of chronic hyperuricemia, while the efficacy of uricosuric agents is strongly modulated by pharmacogenetics. Emergent drugs (lesinurad, peglotidase) were found to be more effective for the acute management of refractory hyperuricemia, but their use is supported by a relatively small number of clinical trials so that further well-designed clinical research is needed to deepen their efficacy and safety profile.
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Affiliation(s)
- Arrigo F. G. Cicero
- Hypertension Research Unit, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.F.G.C.); (F.F.)
| | - Federica Fogacci
- Hypertension Research Unit, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.F.G.C.); (F.F.)
| | - Masanari Kuwabara
- Cardiology Department and Intensive Care Unit, Toranomon Hospital, Tokyo 40138, Japan;
| | - Claudio Borghi
- Hypertension Research Unit, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.F.G.C.); (F.F.)
- Correspondence: ; Tel.: +39-512142224
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159
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Desideri G, Rajzer M, Gerritsen M, Nurmohamed MT, Giannattasio C, Tausche AK, Borghi C. Effects of intensive urate lowering therapy with febuxostat in comparison with allopurinol on pulse wave velocity in patients with gout and increased cardiovascular risk: the FORWARD study. EUROPEAN HEART JOURNAL. CARDIOVASCULAR PHARMACOTHERAPY 2021; 8:236-242. [PMID: 33410912 DOI: 10.1093/ehjcvp/pvaa144] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/13/2020] [Accepted: 12/19/2020] [Indexed: 01/06/2023]
Abstract
AIMS Hyperuricaemia and gout are strongly related with traditional cardiovascular risk factors and vascular damage. This study aimed to assess whether febuxostat and allopurinol could differently influence carotid-femoral pulse wave velocity (cfPWV) in patients with gout and elevated serum uric acid (SUA) levels. METHODS AND RESULTS A multi-centre, multinational, phase IV, randomized, parallel-group, active-controlled, open label trial with blind end-points evaluation. One hundred and ninetyseven adults with gout and SUA levels ≥8 mg/dL were randomised to febuxostat or allopurinol in a 1:1 ratio for 36 weeks. The primary outcome was the comparison of the effects of febuxostat and allopurinol on changes in cfPWV. The mean cfPWV values at randomisation and week 36 were respectively 8.69 m/s and 9.00 m/s for subjects randomised to febuxostat and 9.02 m/s and 9.05 m/s for subjects randomised to allopurinol. No statistically significant changes in cfPWV by treatment assignment were observed at any time point for any of the assessed parameters. More subjects who received febuxostat had serum urate concentrations ≤6 mg/dL following treatment (78.3% vs 61.1% at week 36, p = 0.0137). Treatment-emergent adverse events were reported by 51 (52.0%) patients randomised to febuxostat and 63 (62.5%) patients randomised to allopurinol. The majority of events were mild in both treatment groups and included gout flares and arthralgia. CONCLUSIONS In patients with gout and elevated SUA levels the arterial stiffness remained stable both with febuxostat and allopurinol. Febuxostat was more effective and faster than allopurinol in achieving the SUA target. Both treatments were safe and well tolerated.
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Affiliation(s)
- Giovambattista Desideri
- Department of Life, Health and Environmental Sciences, University of l'Aquila, L'Aquila, Italy
| | - Marek Rajzer
- I-st Department of Cardiology Interventional Electrocardiology and Arterial Hypertension, Jagiellonian University Medical College, Cracow, Poland
| | | | - Michael T Nurmohamed
- Amsterdam Rheumatology & immunology Center
- Reade Dept of Rheumatology, Amsterdam, The Netherlands
| | - Cristina Giannattasio
- School of Medicine and Surgery, Milano Bicocca University and Cardio Center de Gasperis ASST Niguarda, Milano, Italy
| | - Anne-Kathrin Tausche
- Department of Rheumatology, University Clinic Carl Gustav Carus at the TU Dresden, Dresden, Germany
| | - Claudio Borghi
- Department of Medical and Surgical Sciences, Ospedale Malpighi, University of Bologna, Bologna, Italy
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160
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Si K, Wei C, Xu L, Zhou Y, Lv W, Dong B, Wang Z, Huang Y, Wang Y, Chen Y. Hyperuricemia and the Risk of Heart Failure: Pathophysiology and Therapeutic Implications. Front Endocrinol (Lausanne) 2021; 12:770815. [PMID: 34867815 PMCID: PMC8633872 DOI: 10.3389/fendo.2021.770815] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 10/15/2021] [Indexed: 12/12/2022] Open
Abstract
The association between hyperuricemia and cardiovascular disease (CVD) has been reported and studied in the past two decades. Xanthine oxidase (XO) induced uric acid (UA) serves as a risk factor and has the independent prognostic and functional impact of heart failure (HF), but whether it plays a positive role in the pathogenesis of HF has remained unclear. Growing evidence suggest the up-regulated XO avtivity and increased production of free oxygen radical (ROS) correspondingly are the core pathogenesis of HF with hyperuricemia, which results in a whole cluster of pathophysiologic cardiovascular effects such as oxidative stress, endothelial dysfunction, vascular inflammation, left ventricular (LV) dysfunction as well as insulin resistance (IR). The use of XO inhibition represents a promising therapeutic choice in patients with HF due to its dual effect of lowering serum UA levels as well as reducing ROS production. This review will discuss the pathophysiologic mechanisms of hyperuricemia with HF, the targeted therapeutic interventions of UA lowering therapies (ULT) with XO inhibition and mechanism underlying beneficial effects of ULT. In addition, the review also summarizes current evidence on the role of ULT in HF and compares CV risk between allopurinol and febuxostat for practical and clinical purposes. Guidelines and implementation of CV risk management in daily practice will be discussed as well.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Ying Chen
- *Correspondence: Yangang Wang, ; Ying Chen,
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161
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Saito Y, Tanaka A, Node K, Kobayashi Y. Uric acid and cardiovascular disease: A clinical review. J Cardiol 2020; 78:51-57. [PMID: 33388217 DOI: 10.1016/j.jjcc.2020.12.013] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 01/12/2023]
Abstract
Uric acid, the end-product of purine metabolism in humans, is not only a cause of gout, but also may play roles in developing cardiovascular diseases such as hypertension, atrial fibrillation, chronic kidney disease, heart failure, coronary artery disease, and cardiovascular death. Several clinical investigations have reported serum uric acid as a predictive marker for cardiovascular outcomes. Although the causal relationship of hyperuricemia to cardiovascular diseases remains controversial, there has been a growing interest in uric acid because of the increased prevalence of hyperuricemia worldwide. This review article summarizes current evidence concerning the relation between hyperuricemia and cardiovascular diseases.
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Affiliation(s)
- Yuichi Saito
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan.
| | - Atsushi Tanaka
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
| | - Koichi Node
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
| | - Yoshio Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
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162
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Bardin T, Richette P. FAST: new look at the febuxostat safety profile. Lancet 2020; 396:1704-1705. [PMID: 33181079 DOI: 10.1016/s0140-6736(20)32343-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/01/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Thomas Bardin
- Department of Rheumatology, Hôpital Lariboisière APHP Paris Nord and Université de Paris, INSERM, UMR 1132, Bioscar, F-75010 Paris, France; French Vietnamese Research Center on Gout and Chronic Diseases, Vien Gut Medical Center, Ho Chi Minh City, Vietnam.
| | - Pascal Richette
- Department of Rheumatology, Hôpital Lariboisière APHP Paris Nord and Université de Paris, INSERM, UMR 1132, Bioscar, F-75010 Paris, France
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