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Home > Health Conditions > Uric Acid

Uric Acid

Alternative News:

  • Effects of Tart Cherry Powder on Serum Uric Acid in Hyperuricemia Rat Model - Evid Based Complement Alternat Med 2020 Jul 22 - "low dose of tart cherry powder (0.17 g/kg·bw) showed effects on hyperuricemia by slightly decreasing serum uric acid and improving kidney injury, whereas high dose of tart cherry powder (0.50 g/kg·bw) could merely alleviate kidney injury. Meanwhile, adenosine deaminase activity rather than xanthine oxidase activity was affected at low dose, which reveals low dose of tarty cherry powder may be beneficial to hyperuricemia through reduction of ADA activity, and its reported potentials on antioxidation or anti-inflammation provide clues for further study" - See tart cherry extract at Amazon.com and iHerb.
  • Folic acid therapy reduces serum uric acid in hypertensive patients: a substudy of the China Stroke Primary Prevention Trial (CSPPT) - Am J Clin Nutr. 2017 Feb 1 - "A total of 15,364 hypertensive patients were randomly assigned to a double-blind daily treatment with a single tablet that contained 10 mg enalapril and 0.8 mg folic acid (n = 7685) or 10 mg enalapril alone (n = 7679) ... After a median of 4.4 y of treatment, the mean ± SD UA concentration increased by 34.7 ± 72.5 μmol/L in the enalapril-alone group and by 30.7 ± 71.8 μmol/L in the enalapril-folic acid group, which resulted in a mean group difference of -4.0 μmol/L (95% CI: -6.5, -1.6 μmol/L; P = 0.001). Furthermore, compared with enalapril alone, enalapril-folic acid treatment showed an increase in controlled hyperuricemia (30.3% compared with 25.6%; OR: 1.31; 95% CI: 1.01, 1.70) and a decrease in new-onset hyperuricemia (15.0% compared with 16.3%; OR: 0.89; 95% CI: 0.79, 0.99)" - See folic acid products at Amazon.com.
  • Quercetin lowers plasma uric acid in pre-hyperuricaemic males: a randomised, double-blinded, placebo-controlled, cross-over trial - Br J Nutr. 2016 Jan 20:1-7 - "The intervention included one tablet containing 500 mg quercetin daily for 4 weeks, compared with placebo, with a 4-week washout period between treatments ... After quercetin treatment, plasma uric acid concentrations were significantly lowered by -26·5 µmol/l (95 % CI, -7·6, -45·5; P=0·008), without affecting fasting glucose, urinary excretion of uric acid or blood pressure" - See quercetin at Amazon.com.
  • Effect of Green Tea Extract on Uric Acid and Urate Clearance - Medscape, 10/29/14 - "Participants were assigned randomly at the interventional period to consume GTE at 2 (GTE2), 4 (GTE4), or 6 (GTE6) g/d. Levels of serum uric acid (SUA), uric acid clearance, and serum antioxidant power (using trolox equivalent antioxidant capacity assay) were measured at both ends of each study period ... Serum uric acid reduction was greatest in GTE2 (from 4.81 ± 0.81 mg/dL to 4.64 ± 0.92 mg/dL, 3.53%). Uric acid clearance decreased significantly in GTE2 (from 11.37 ± 6.41 mL/min per 1.73 m2 to 7.44 ± 2.74 mL/min per 1.73 m2, 34.56%, P < 0.05) and GTE4 (from 8.36 ± 3.41 mL/min per 1.73 m2 to 5.78 ± 2.33 mL/min per 1.73 m2, 30.86%, P < 0.05). Serum antioxidant capacity (TEAC) increased significantly in GTE6 (from 32.77 ± 3.39 mg/mL to 35.41 ± 3.17 mg/mL, 8.06%, P < 0.05)" - See green tea extract at Amazon.com.
  • Polyphenols may reduce risk of gout: Study - Nutra USA, 12/13/10 - "Gout is a painful form of arthritis caused by disturbances in uric acid metabolism, when an overload of uric acid leads to the formation of urate crystals in bodily tissues, especially the joints – leading to recurring attacks of joint inflammation ... Hyperinsulinemia and insulin resistance can lead to increased uric acid re-absorption in the kidneys, which in turn can lead to a rise in serum uric acid concentration ... these results suggest that Oligonol lowers serum uric acid through inhibition of xanthine oxidase, and may be effective for prevention and treatment of hyperuricemia and/or gout" - See oligonol at Amazon.com.
  • Vitamin C May Prevent Hyperuricemia, Gout - Medscape, 9/26/08 - "Hyperuricemia is considered a precursor of gout, which is the most common inflammatory arthritis in adult men ... An association was observed between greater vitamin C intake and lower prevalence of hyperuricemia defined as > 6 mg/dL. The multivariable odds ratio for hyperuricemia for the highest intake of vitamin C (>1000 mg/d) compared to the lowest (<90 mg/d) was 0.34 ... These findings support a potential role of vitamin C in the prevention of hyperuricemia and gout" - See vitamin C products at Amazon.com.

Other News:

  • Empagliflozin and uric acid metabolism in diabetes: A post hoc analysis of the EMPA-REG OUTCOME tri - Diabetes Obes Metab 2021 Sep 24 - "Empagliflozin reduced UA levels and the composite of gout episodes or prescription of antigout medication. These clinically important findings expand the utility of empagliflozin as a potential antigout treatment in patients with T2D, beyond its well-established cardio-renal benefits"
  • Uric Acid Associates With Executive Function in Children and Adolescents With Hypertension - Hypertension 2021 Mar 22 - "Observational studies show that serum uric acid levels associate with cardiometabolic risk factors and subclinical target organ damage. The aim of the present study is to investigate the association of traditional cardiometabolic risk factors and uric acid with the executive performance in children and adolescents. Ninety-nine children and adolescents aged 5 to 18 years referred for assessment of primary hypertension were include ... we found a positive association of serum uric acid with worse executive performance in children at risk for primary hypertension. Extending these cross-sectional findings with longitudinal studies may determine whether high uric acid levels increases the risk of cognitive decline in youth"
  • Serum uric acid is positively associated with the prevalence of nonalcoholic fatty liver in non-obese type 2 diabetes patients in a Chinese population - J Diabetes Complications 2021 Feb 16 - "SUA levels are strongly and independently associated with the prevalence of NAFLD. SUA may be used as a useful predictor to stratify the higher risks for NAFLD of non-obese type 2 diabetes patients"
  • Sugar, Uric Acid, and the Etiology of Diabetes and Obesity - Medscape, 10/21/13 - "fructose-induced uric acid generation causes mitochondrial oxidative stress that stimulates fat accumulation independent of excessive caloric intake. These studies challenge the long-standing dogma that "a calorie is just a calorie" and suggest that the metabolic effects of food may matter as much as its energy content. The discovery that fructose-mediated generation of uric acid may have a causal role in diabetes and obesity provides new insights into pathogenesis and therapies for this important disease"
  • Serum uric acid and metabolic risk - Curr Med Res Opin. 2013 Apr 24 - "Key papers for inclusion were identified by a PubMed search ... An elevated UA is both strongly associated and predictive of the metabolic syndrome, and increasing evidence suggests that UA may have a causal role. The classical viewpoint that UA is simply an innocuous marker of metabolic syndrome that should not even be measured will likely have to be modified. Lowering UA may be a novel treatment target for preventing diabetes and justify prospective clinical trials on the possible benefits of the measurement and lowering of serum UA on multiple chronic disease end points"
  • Uric Acid Measurement Improves Prediction of Cardiovascular Mortality in Later Life - J Am Geriatr Soc. 2013 Mar 15 - "In individuals aged 70 and older without overt CVD, renal dysfunction, or diuretic use, serum uric acid greater than 7.0 mg/dL was associated with greater CVD mortality independent of classic CVD risk factors"
  • Plasma Uric Acid Is Associated with Increased Risk of Type 2 Diabetes Independent of Diet and Metabolic Risk Factors - J Nutr. 2012 Nov 21 - "case-cohort nested in the European Prospective Investigation into Cancer and Nutrition-Netherlands study ... After adjustment for established diabetes risk factors such as age, the HR (highest vs. lowest quartile of uric acid) for diabetes was 4.36 (95% CI: 3.22, 5.90). Further adjustment for adiposity attenuated the HR to 1.86 (95% CI: 1.32, 2.62). Additional adjustment for hypertension and biochemical markers, such as TG, slightly attenuated the association [HR = 1.43 (95% CI: 0.97, 2.10)]. A uric acid-related dietary pattern did not confound the association. In conclusion, this study supports that high uric acid concentrations are associated with increased diabetes risk, although a large part of the association can be explained by the degree of adiposity"
  • Friend or Foe? Uric Acid a 'Probable Cause' of CVD - Medscape, 4/30/12 - "Using the electronic database of the HMO, Clalit, starting in 2002, Leiba et al compared a historical cohort of healthy adults (40–70 years) with low uric-acid levels (<3 mg/dL) with those who had normal values (3.1–6.8 mg/dL) during 10 years of follow-up ... After 10 years of follow-up, healthy subjects with normal uric-acid levels had a 53% higher risk of developing hypertension (HR 1.53; p<0.001) compared with the hypouricemic group ... the risks of developing new-onset diabetes and chronic kidney disease were almost doubled (HR 1.84, p<0.001; and HR 1.93, p=0.055, respectively) in the normal-uric-acid-level group compared with the hypouricemic group ... "What do you do about it? I can't imagine putting people with normal uric acid on allopurinol, so it comes back to the usual kind of lifestyle advice.""
  • Uric acid may increase likelihood of severe osteoarthritis - Science Daily, 1/18/11 - "The researchers looked at 159 people, who had knee osteoarthritis but no history of gout, a type of arthritis triggered by uric acid crystals in the joints. The researchers found the severity of osteoarthritis in their knees to be strongly correlated with the amount of uric acid in their knees. The results, which are published online in the Proceedings of the National Academy of Sciences, show, despite the lack of gout history, above normal uric acid levels in 39 percent of the study population, and evidence of the form of inflammation in the joints that is typically triggered by uric acid crystals"
  • Uric acid level and allopurinol use as risk markers of mortality and morbidity in systolic heart failure - Am Heart J. 2010 Nov;160(5):928-33 - "The allopurinol group and highest uric acid quartile had the highest total mortality (41.7 and 42.4 per 100 person-years, respectively) and combined morbidity/mortality (45.6 and 51.0 per 100 person-years, respectively). Allopurinol use and highest uric acid quartile were independently associated with mortality (hazard ratio [HR] 1.65, 95% CI 1.22-2.23, P = .001 and HR 1.35, 95% CI 1.07-1.72, P = .01, respectively) and combined morbidity/mortality (uric acid quartile 4 vs 1: HR 1.32, 95% CI 1.06-1.66, P = .02; allopurinol use: HR 1.48, 95% CI 1.11-1.99, P = .008) ... Elevated uric acid level was independently associated with mortality in patients with severe systolic HF, even when accounting for allopurinol use"
  • Serum Uric Acid Linked With Development of Type 2 Diabetes - Science Daily, 10/2/09 - "The pooled crude relative risk (RR) of a 1 mg/dL increase in serum uric acid was 1.17"
  • Gout Drug May Lower Blood Pressure - WebMD, 9/23/09 - "A new study suggests a direct link between a high-sugar diet and high blood pressure ... allopurinol could lower high blood pressure by lowering uric acid" - Note:  Kind of a confusing article.  Yeah, high blood sugar probably is a cause of high blood pressure and high uric acid but the article implies that allopurinol lowers blood pressure by lowering the uric acid not the blood sugar so why is it discussing blood sugar?  I've  written WebMD before about articles like that and they've agreed and changed it.  This one is minor I guess.
  • Healthy People With Elevated Levels Of Uric Acid Are At Risk Of Developing Kidney Disease - Science Daily, 9/17/08 - "Elevated uric acid levels in the blood indicate an increased risk of new-onset kidney disease ... it may be appropriate to prescribe uric acid–lowering drugs, such as allopurinol and probenecid, to these otherwise healthy individuals ... individuals in the slightly elevated uric acid group were 1.26 times as likely to develop kidney disease as those in the low uric acid group. The odds of developing kidney disease among volunteers in the elevated uric acid group were 1.63 times greater than that of individuals in the low uric acid group"
  • High Levels Of Uric Acid May Be Associated With High Blood Pressure - Science Daily, 8/26/08 - "In the study, half of the 30 teen-agers with newly diagnosed high blood pressure and higher than normal levels of uric acid in their blood underwent treatment with allopurinol twice a day for four weeks. The other half received a placebo (an inactive drug) on the same schedule. They then went without either drug for two weeks before receiving the opposite treatment for another four weeks ... blood pressures decreased to normal in 20 of the 30 teens when they were on allopurinol. By contrast, only 1 of the 30 teens had normal blood pressure when receiving placebo"