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Chen R, Nie S, Zhou S, Su L, Li Y, Zhang X, Luo F, Xu R, Gao Q, Lin Y, Guo Z, Cao L, Xu X. Association between urate-lowering therapy initiation and all-cause mortality in patients with type 2 diabetes and asymptomatic hyperuricemia. Diabetes Metab Syndr 2024; 18:103043. [PMID: 38908114 DOI: 10.1016/j.dsx.2024.103043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 04/09/2024] [Accepted: 05/19/2024] [Indexed: 06/24/2024]
Abstract
AIMS To assess the relationships between urate-lowering therapy (ULT) initiation with all-cause mortality in patients with asymptomatic hyperuricemia and Type 2 Diabetes (T2D). METHODS This nationwide retrospective cohort study involved patients with T2D and asymptomatic hyperuricemia from 19 academic hospitals across China between 2000 and 2021. The primary exposure was ULT initiation, including allopurinol, febuxostat, or benzbromarone. The primary outcome was all-cause mortality. The secondary outcomes were cardiovascular (CV) and non-CV mortality. Propensity score matching was employed to create a 1:2 matched cohort with balanced likelihood of ULT initiation. Associations between ULT initiation with all-cause and CV mortality were assessed in the matched cohort. RESULTS Among 42 507 patients, 5028 initiated ULT and 37 479 did not. In the matched cohort, comprising 4871 ULT initiators and 9047 noninitiators, ULT initiation was significantly associated with reduced risk of all-cause mortality (hazard ratio [HR] 0.77; 95% confidence interval [CI], 0.71-0.84), CV mortality (HR 0.86; 95% CI, 0.76-0.97), and non-CV mortality (HR 0.72; 95% CI, 0.64-0.80) over an average 3.0 years of follow-up. Among the ULT initiators, post-treatment SUA levels of 360-420 μmol/L was related to a significantly lower risk for all-cause mortality compared to levels >420 μmol/L (HR 0.74; 95% CI, 0.59-0.94) while levels ≤360 μmol/L did not (HR, 0.96; 95% CI, 0.81-1.14), suggesting a U-shaped relationship. CONCLUSIONS Initiating ULT was associated with a significant reduction in all-cause mortality in patients with T2D and asymptomatic hyperuricemia. Notably, maintaining post-treatment SUA concentrations within 360-420 μmol/L could potentially enhance this reduced mortality.
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Affiliation(s)
- Ruixuan Chen
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Sheng Nie
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Shiyu Zhou
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Licong Su
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanqin Li
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaodong Zhang
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fan Luo
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ruqi Xu
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qi Gao
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yuxin Lin
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhixin Guo
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lisha Cao
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Xu
- Division of Nephrology, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Timsans J, Kauppi JE, Kerola AM, Lehto TM, Kautiainen HJ, Kauppi MJ. Hyperuricaemia-associated all-cause mortality risk effect is increased by non-impaired kidney function - Is renal hyperuricaemia less dangerous? Eur J Intern Med 2024; 121:56-62. [PMID: 37852840 DOI: 10.1016/j.ejim.2023.10.009] [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: 08/12/2023] [Revised: 09/19/2023] [Accepted: 10/04/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND Both hyperuricaemia and chronic kidney disease are known mortality risk factors. This study examined the modifying effect of renal function on hyperuricaemia-associated mortality risk, which is an issue that has not been studied before. METHODS Data on levels of serum uric acid (SUA), creatinine, cystatin C and other variables of persons aged 52-76 years were collected. Persons with SUA >410 μmol/L (75th percentile) were classified as clearly hyperuricaemic and persons with eGFR of ≤67 ml/min (25th percentile) as having reduced kidney function. RESULTS Reduced kidney function was associated with higher mortality in both SUA groups. When compared to individuals with SUA ≤410 μmol/L and eGFR >67 ml/min the hazard ratio (HR) for all-cause mortality was 1.53 (95 % CI: 1.26-1.84) in clearly hyperuricaemic persons with reduced kidney function, 1.26 (95 % CI: 1.02-1.55) in clearly hyperuricaemic persons with eGFR of >67 ml/min and 1.15 (95 % CI: 0.96-1.39) in persons with SUA ≤410 μmol/L and reduced kidney function. The HR for hyperuricaemia-related premature death was lowest in individuals with reduced eGFR, and it rose strikingly as the eGFR increased above 90 ml/min. CONCLUSIONS Reduced kidney function is a risk factor for mortality both in individuals with normal and elevated SUA. The hyperuricaemia-associated mortality risk is remarkably higher in individuals with normal kidney function than in individuals with reduced kidney function. Presumably overproduction of uric acid (metabolic hyperuricaemia) is a separate and more deleterious entity than hyperuricaemia resulting from reduced renal excretion of uric acid (renal hyperuricaemia).
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Affiliation(s)
- Janis Timsans
- Department of Rheumatology, Päijät-Häme Central Hospital, Lahti, Finland.
| | - Jenni Emilia Kauppi
- Unit of Physiatry and Rehabilitation Medicine, Päijät-Häme Central Hospital, Lahti, Finland
| | - Anne Mirjam Kerola
- Department of Rheumatology, Päijät-Häme Central Hospital, Lahti, Finland; Inflammation Center, Rheumatology, Helsinki University Hospital, Helsinki, Finland; University of Helsinki, Helsinki, Finland
| | - Tiina Maarit Lehto
- Department of Clinical Chemistry, Fimlab Laboratoriot Oy, Lahti, Finland
| | | | - Markku Jaakko Kauppi
- Department of Rheumatology, Päijät-Häme Central Hospital, Lahti, Finland; University of Helsinki, Helsinki, Finland
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Mackenzie IS, Hawkey CJ, Ford I, Greenlaw N, Pigazzani F, Rogers A, Struthers AD, Begg AG, Wei L, Avery AJ, Taggar JS, Walker A, Duce SL, Barr RJ, Dumbleton JS, Rooke ED, Townend JN, Ritchie LD, MacDonald TM. Allopurinol and cardiovascular outcomes in patients with ischaemic heart disease: the ALL-HEART RCT and economic evaluation. Health Technol Assess 2024; 28:1-55. [PMID: 38551218 PMCID: PMC11017142 DOI: 10.3310/attm4092] [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] [Indexed: 04/02/2024] Open
Abstract
Background Allopurinol is a xanthine oxidase inhibitor that lowers serum uric acid and is used to prevent acute gout flares in patients with gout. Observational and small interventional studies have suggested beneficial cardiovascular effects of allopurinol. Objective To determine whether allopurinol improves major cardiovascular outcomes in patients with ischaemic heart disease. Design Prospective, randomised, open-label, blinded endpoint multicentre clinical trial. Setting Four hundred and twenty-four UK primary care practices. Participants Aged 60 years and over with ischaemic heart disease but no gout. Interventions Participants were randomised (1 : 1) using a central web-based randomisation system to receive allopurinol up to 600 mg daily that was added to usual care or to continue usual care. Main outcome measures The primary outcome was the composite of non-fatal myocardial infarction, non-fatal stroke or cardiovascular death. Secondary outcomes were non-fatal myocardial infarction, non-fatal stroke, cardiovascular death, all-cause mortality, hospitalisation for heart failure, hospitalisation for acute coronary syndrome, coronary revascularisation, hospitalisation for acute coronary syndrome or coronary revascularisation, all cardiovascular hospitalisations, quality of life and cost-effectiveness. The hazard ratio (allopurinol vs. usual care) in a Cox proportional hazards model was assessed for superiority in a modified intention-to-treat analysis. Results From 7 February 2014 to 2 October 2017, 5937 participants were enrolled and randomised to the allopurinol arm (n = 2979) or the usual care arm (n = 2958). A total of 5721 randomised participants (2853 allopurinol; 2868 usual care) were included in the modified intention-to-treat analysis population (mean age 72.0 years; 75.5% male). There was no difference between the allopurinol and usual care arms in the primary endpoint, 314 (11.0%) participants in the allopurinol arm (2.47 events per 100 patient-years) and 325 (11.3%) in the usual care arm (2.37 events per 100 patient-years), hazard ratio 1.04 (95% confidence interval 0.89 to 1.21); p = 0.65. Two hundred and eighty-eight (10.1%) participants in the allopurinol arm and 303 (10.6%) participants in the usual care arm died, hazard ratio 1.02 (95% confidence interval 0.87 to 1.20); p = 0.77. The pre-specified health economic analysis plan was to perform a 'within trial' cost-utility analysis if there was no statistically significant difference in the primary endpoint, so NHS costs and quality-adjusted life-years were estimated over a 5-year period. The difference in costs between treatment arms was +£115 higher for allopurinol (95% confidence interval £17 to £210) with no difference in quality-adjusted life-years (95% confidence interval -0.061 to +0.060). We conclude that there is no evidence that allopurinol used in line with the study protocol is cost-effective. Limitations The results may not be generalisable to younger populations, other ethnic groups or patients with more acute ischaemic heart disease. One thousand six hundred and thirty-seven participants (57.4%) in the allopurinol arm withdrew from randomised treatment, but an on-treatment analysis gave similar results to the main analysis. Conclusions The ALL-HEART study showed that treatment with allopurinol 600 mg daily did not improve cardiovascular outcomes compared to usual care in patients with ischaemic heart disease. We conclude that allopurinol should not be recommended for the secondary prevention of cardiovascular events in patients with ischaemic heart disease but no gout. Future work The effects of allopurinol on cardiovascular outcomes in patients with ischaemic heart disease and co-existing hyperuricaemia or clinical gout could be explored in future studies. Trial registration This trial is registered as EU Clinical Trials Register (EudraCT 2013-003559-39) and ISRCTN (ISRCTN 32017426). Funding This award was funded by the National Institute for Health and Care Research (NIHR) Health Technology Assessment programme (NIHR award ref: 11/36/41) and is published in full in Health Technology Assessment; Vol. 28, No. 18. See the NIHR Funding and Awards website for further award information.
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Affiliation(s)
- Isla S Mackenzie
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | | | - Ian Ford
- The Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
| | - Nicola Greenlaw
- The Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
| | - Filippo Pigazzani
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Amy Rogers
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Allan D Struthers
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Alan G Begg
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Li Wei
- School of Pharmacy, University College London, London, UK
| | - Anthony J Avery
- Centre for Academic Primary Care, School of Medicine, University of Nottingham, Nottingham, UK
| | - Jaspal S Taggar
- Centre for Academic Primary Care, School of Medicine, University of Nottingham, Nottingham, UK
| | | | - Suzanne L Duce
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Rebecca J Barr
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | | | - Evelien D Rooke
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Jonathan N Townend
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | | | - Thomas M MacDonald
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
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Acevedo-Fernández M, Porchia LM, Elguezabal-Rodelo RG, López-Bayghen E, Gonzalez-Mejia ME. Concurrence of hyperinsulinemia and hyperuricemia significantly augmented all-cause mortality. Nutr Metab Cardiovasc Dis 2023; 33:1725-1732. [PMID: 37407310 DOI: 10.1016/j.numecd.2023.05.023] [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: 02/24/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND AND AIMS Hyperinsulinemia and hyperuricemia are known to increase the risk of mortality due to certain complications, such as Type 2 Diabetes and cardiovascular disease. However, despite their common comorbidities, their combined effect has not been evaluated. The study's aim was to evaluate the combine effect of hyperinsulinemia and hyperuricemia on all-cause mortality. METHODS AND RESULTS NHANES datasets (cycles 2003-2018) were examined. Differences between groups were evaluated using Rao-Scott Chi-square and General Linear Model for categorical and continuous data, respectively. Hazard Ratios (HR) were calculated using Cox regression with 95% confidence intervals (95%CI). There was significant difference (p < 0.05) in the mortality rate between the control group (2.3 ± 0.2%), the hyperinsulinemia only group (3.1 ± 0.3%), the hyperuricemia only group (4.0 ± 0.8%), and both conditions (5.1 ± 0.8%). Individually, when compared to the control group, there was a significant increase in mortality risk for hyperinsulinemia (HR: 1.50, 95%CI: 1.12-2.01, p = 0.007) and hyperuricemia (HR: 1.80, 95%CI:1.18-2.75, p = 0.006). However, when both conditions were present, there appeared an additive effect in the mortality risk (HR: 2.32, 95%CI: 1.66-3.25, p < 0.001). When stratified by BMI class, only normal weight participants presented with a significant risk (HR: 7.00, 95%CI: 2.50-20.30, p < 0.001). Also, when stratified by age, only participants older than 40 years presented a risk (HR: 2.22, 95%CI: 1.56-3.16, p < 0.001). CONCLUSION Alone, hyperuricemia and hyperinsulinemia significantly increased the mortality rate; however, the combined presence of both pathologies was associated with a significantly augmented mortality rate. Normal weight participant or that were >40 years old had a greater risk for mortality.
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Affiliation(s)
- Maximino Acevedo-Fernández
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, Calle 13 Sur 2901, Colonia Volcanes, C.P, 72420, Puebla, Mexico
| | - Leonardo M Porchia
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados Del Instituto Politécnico Nacional, México City, 07360, Mexico
| | - Rebeca Garazi Elguezabal-Rodelo
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, Calle 13 Sur 2901, Colonia Volcanes, C.P, 72420, Puebla, Mexico
| | - Esther López-Bayghen
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados Del Instituto Politécnico Nacional, México City, 07360, Mexico
| | - M Elba Gonzalez-Mejia
- Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, Calle 13 Sur 2901, Colonia Volcanes, C.P, 72420, Puebla, Mexico.
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Considerations for Choosing First-Line Urate-Lowering Treatment in Older Patients with Comorbid Conditions. Drugs Aging 2022; 39:923-933. [PMID: 36437395 DOI: 10.1007/s40266-022-00986-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2022] [Indexed: 11/29/2022]
Abstract
Gout is the most common inflammatory arthritis in adults. The prevalence of gout increases with age. Urate-lowering treatment (ULT) among older patients is often challenging in that patients frequently suffer insufficient effectiveness or adverse events due to comorbidities, concurrent medications, and altered pharmacokinetics. The large-scale randomized controlled trials (RCTs) directly investigating gout patients regarding cardiovascular (CV) safety have only recently been introduced; CARES and FAST compared the CV safety of the two xanthine oxidase inhibitors (XOis), febuxostat versus allopurinol, in patients with gout. Based on the CARES trial that showed CV concerns with febuxostat, the current international guidelines recommend allopurinol as first-line ULT in gout, while preserving other agents as a second-line treatment, despite a higher potency of febuxostat. XOis would be more suitable than uricosurics to treat older patients with gout due to the high prevalence of chronic kidney disease (CKD) in older patients. However, allopurinol alone might not achieve the target serum uric acid levels below 6 mg/dL and CKD might confer an increased risk of allopurinol induced cutaneous adverse reactions in older patients. Furthermore, as well as the later analysis of CARES participants who were lost to follow-up, data from the FAST trial and real-world studies suggest non-inferior CV safety for febuxostat compared to allopurinol even in the presence of CV diseases. Thus, febuxostat use in older patients with renal impairment may be more positively considered. The combination therapy of a novel uricosuric, verinurad, plus febuxostat reduced albuminuria in hyperuricemic patients with type 2 diabetes and CKD in a phase 2a trial, and further RCTs are awaited. Finally, the sodium-glucose cotransporter-2 inhibitor class of oral hypoglycemic agents, known to exert beneficial CV and renal effects independent of glycemic control, have shown a uricosuric effect and could be used as adjunctive therapy in older patients with cardiorenal comorbidities.
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Mackenzie IS, Hawkey CJ, Ford I, Greenlaw N, Pigazzani F, Rogers A, Struthers AD, Begg AG, Wei L, Avery AJ, Taggar JS, Walker A, Duce SL, Barr RJ, Dumbleton JS, Rooke ED, Townend JN, Ritchie LD, MacDonald TM. Allopurinol versus usual care in UK patients with ischaemic heart disease (ALL-HEART): a multicentre, prospective, randomised, open-label, blinded-endpoint trial. Lancet 2022; 400:1195-1205. [PMID: 36216006 DOI: 10.1016/s0140-6736(22)01657-9] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/23/2022] [Accepted: 08/23/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Allopurinol is a urate-lowering therapy used to treat patients with gout. Previous studies have shown that allopurinol has positive effects on several cardiovascular parameters. The ALL-HEART study aimed to determine whether allopurinol therapy improves major cardiovascular outcomes in patients with ischaemic heart disease. METHODS ALL-HEART was a multicentre, prospective, randomised, open-label, blinded-endpoint trial done in 18 regional centres in England and Scotland, with patients recruited from 424 primary care practices. Eligible patients were aged 60 years or older, with ischaemic heart disease but no history of gout. Participants were randomly assigned (1:1), using a central web-based randomisation system accessed via a web-based application or an interactive voice response system, to receive oral allopurinol up-titrated to a dose of 600 mg daily (300 mg daily in participants with moderate renal impairment at baseline) or to continue usual care. The primary outcome was the composite cardiovascular endpoint of non-fatal myocardial infarction, non-fatal stroke, or cardiovascular death. The hazard ratio (allopurinol vs usual care) in a Cox proportional hazards model was assessed for superiority in a modified intention-to-treat analysis (excluding randomly assigned patients later found to have met one of the exclusion criteria). The safety analysis population included all patients in the modified intention-to-treat usual care group and those who took at least one dose of randomised medication in the allopurinol group. This study is registered with the EU Clinical Trials Register, EudraCT 2013-003559-39, and ISRCTN, ISRCTN32017426. FINDINGS Between Feb 7, 2014, and Oct 2, 2017, 5937 participants were enrolled and then randomly assigned to receive allopurinol or usual care. After exclusion of 216 patients after randomisation, 5721 participants (mean age 72·0 years [SD 6·8], 4321 [75·5%] males, and 5676 [99·2%] white) were included in the modified intention-to-treat population, with 2853 in the allopurinol group and 2868 in the usual care group. Mean follow-up time in the study was 4·8 years (1·5). There was no evidence of a difference between the randomised treatment groups in the rates of the primary endpoint. 314 (11·0%) participants in the allopurinol group (2·47 events per 100 patient-years) and 325 (11·3%) in the usual care group (2·37 events per 100 patient-years) had a primary endpoint (hazard ratio [HR] 1·04 [95% CI 0·89-1·21], p=0·65). 288 (10·1%) participants in the allopurinol group and 303 (10·6%) participants in the usual care group died from any cause (HR 1·02 [95% CI 0·87-1·20], p=0·77). INTERPRETATION In this large, randomised clinical trial in patients aged 60 years or older with ischaemic heart disease but no history of gout, there was no difference in the primary outcome of non-fatal myocardial infarction, non-fatal stroke, or cardiovascular death between participants randomised to allopurinol therapy and those randomised to usual care. FUNDING UK National Institute for Health and Care Research.
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Affiliation(s)
- Isla S Mackenzie
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK.
| | | | - Ian Ford
- The Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
| | - Nicola Greenlaw
- The Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
| | - Filippo Pigazzani
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Amy Rogers
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Allan D Struthers
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Alan G Begg
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Li Wei
- School of Pharmacy, University College London, London, UK
| | - Anthony J Avery
- Centre for Academic Primary Care, School of Medicine, University of Nottingham, Nottingham, UK
| | - Jaspal S Taggar
- Centre for Academic Primary Care, School of Medicine, University of Nottingham, Nottingham, UK
| | | | - Suzanne L Duce
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Rebecca J Barr
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | | | - Evelien D Rooke
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - Jonathan N Townend
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | | | - Thomas M MacDonald
- MEMO Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
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Bea S, Jeong HE, Park S, Yu OHY, Chang Y, Cho J, Sinn DH, Cho YM, Shin JY. Hepatic events associated with sodium-glucose cotransporter-2 inhibitors in patients with type 2 diabetes: a nationwide cohort study. Gut 2022; 72:1020-1022. [PMID: 35725292 DOI: 10.1136/gutjnl-2022-327504] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/03/2022] [Indexed: 12/12/2022]
Affiliation(s)
- Sungho Bea
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Han Eol Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea.,Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
| | - Sohee Park
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Oriana H Y Yu
- Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Quebec, Canada.,Division of Endocrinology, Jewish General Hospital, Montreal, Quebec, Canada
| | - Yoosoo Chang
- Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea.,Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Juhee Cho
- Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea.,Department of Clinical Research Design & Evaluation, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, Seoul, South Korea
| | - Dong Hyun Sinn
- Division of Gastroenterology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Young Min Cho
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Ju-Young Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea .,Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
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Wei J, Choi HK, Neogi T, Dalbeth N, Terkeltaub R, Stamp LK, Lyu H, McCormick N, Niu J, Zeng C, Lei G, Zhang Y. Allopurinol Initiation and All-Cause Mortality Among Patients With Gout and Concurrent Chronic Kidney Disease : A Population-Based Cohort Study. Ann Intern Med 2022; 175:461-470. [PMID: 35073156 PMCID: PMC10445508 DOI: 10.7326/m21-2347] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Two recent randomized clinical trials of escalating doses of allopurinol for the progression of chronic kidney disease (CKD) reported no benefits but potentially increased risk for death. Whether the risk could occur in patients with gout and concurrent CKD remains unknown. OBJECTIVE To examine the relation of allopurinol initiation, allopurinol dose escalation, and achieving target serum urate (SU) level after allopurinol initiation to all-cause mortality in patients with both gout and CKD. DESIGN Cohort study. SETTING The Health Improvement Network U.K. primary care database (2000 to 2019). PARTICIPANTS Patients aged 40 years or older who had gout and concurrent moderate-to-severe CKD. MEASUREMENTS The association between allopurinol initiation and all-cause mortality over 5-year follow-up in propensity score (PS)-matched cohorts was examined. Analysis of hypothetical trials were emulated: achieving target SU level (<0.36 mmol/L) versus not achieving target SU level and dose escalation versus no dose escalation for mortality over 5-year follow-up in allopurinol initiators. RESULTS Mortality was 4.9 and 5.8 per 100 person-years in 5277 allopurinol initiators and 5277 PS-matched noninitiators, respectively (hazard ratio [HR], 0.85 [95% CI, 0.77 to 0.93]). In the target trial emulation analysis, the HR of mortality for the achieving target SU level group compared with the not achieving target SU level group was 0.87 (CI, 0.75 to 1.01); the HR of mortality for allopurinol in the dose escalation group versus the no dose escalation group was 0.88 (CI, 0.73 to 1.07). LIMITATION Residual confounding cannot be ruled out. CONCLUSION In this population-based data, neither allopurinol initiation, nor achieving target SU level with allopurinol, nor allopurinol dose escalation was associated with increased mortality in patients with gout and concurrent CKD. PRIMARY FUNDING SOURCE Project Program of National Clinical Research Center for Geriatric Disorders.
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Affiliation(s)
- Jie Wei
- Health Management Center, Xiangya Hospital, Central South University, Changsha, China (J.W.)
| | - Hyon K Choi
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, and the Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts (H.K.C., Y.Z.)
| | - Tuhina Neogi
- Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts (T.N.)
| | - Nicola Dalbeth
- Department of Medicine, University of Auckland, Auckland, New Zealand (N.D.)
| | - Robert Terkeltaub
- Rheumatology, Allergy-Immunology Section, San Diego VA Medical Center, San Diego, California (R.T.)
| | - Lisa K Stamp
- Department of Medicine, University of Otago, Christchurch, New Zealand (L.K.S.)
| | - Houchen Lyu
- Department of Orthopedics, General Hospital of Chinese PLA, Beijing, and Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China (H.L.)
| | - Natalie McCormick
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, and the Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, and Arthritis Research Canada, Richmond, British Columbia, Canada (N.M.)
| | - Jingbo Niu
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas (J.N.)
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, and Hunan Key Laboratory of Joint Degeneration and Injury, and National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China (C.Z.)
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, and National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, and Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China (G.L.)
| | - Yuqing Zhang
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, and the Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts (H.K.C., Y.Z.)
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9
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Choi HK, McCormick N, Yokose C. Excess comorbidities in gout: the causal paradigm and pleiotropic approaches to care. Nat Rev Rheumatol 2022; 18:97-111. [PMID: 34921301 DOI: 10.1038/s41584-021-00725-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 02/07/2023]
Abstract
Gout is a common hyperuricaemic metabolic condition that leads to painful inflammatory arthritis and a high comorbidity burden, especially cardiometabolic-renal (CMR) conditions, including hypertension, myocardial infarction, stroke, obesity, hyperlipidaemia, type 2 diabetes mellitus and chronic kidney disease. Substantial advances have been made in our understanding of the excess CMR burden in gout, ranging from pathogenesis underlying excess CMR comorbidities, inferring causal relationships from Mendelian randomization studies, and potentially discovering urate crystals in coronary arteries using advanced imaging, to clinical trials and observational studies. Despite many studies finding an independent association between blood urate levels and risk of incident CMR events, Mendelian randomization studies have largely found that serum urate is not causal for CMR end points or intermediate risk factors or outcomes (such as kidney function, adiposity, metabolic syndrome, glycaemic traits or blood lipid concentrations). Although limited, randomized controlled trials to date in adults without gout support this conclusion. If imaging studies suggesting that monosodium urate crystals are deposited in coronary plaques in patients with gout are confirmed, it is possible that these crystals might have a role in the inflammatory pathogenesis of increased cardiovascular risk in patients with gout; removing monosodium urate crystals or blocking the inflammatory pathway could reduce this excess risk. Accordingly, data for CMR outcomes with these urate-lowering or anti-inflammatory therapies in patients with gout are needed. In the meantime, highly pleiotropic CMR and urate-lowering benefits of sodium-glucose cotransporter 2 (SGLT2) inhibitors and key lifestyle measures could play an important role in comorbidity care, in conjunction with effective gout care based on target serum urate concentrations according to the latest guidelines.
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Affiliation(s)
- Hyon K Choi
- Clinical Epidemiology Program, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, USA.
- Mongan Institute, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.
- Department of Medicine, Harvard Medical School, Boston, MA, USA.
- Arthritis Research Canada, Vancouver, British Columbia, Canada.
| | - Natalie McCormick
- Clinical Epidemiology Program, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, USA
- Mongan Institute, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Arthritis Research Canada, Vancouver, British Columbia, Canada
| | - Chio Yokose
- Clinical Epidemiology Program, Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, USA
- Mongan Institute, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
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10
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Cai K, Wu B, Mehta S, Harwood M, Grey C, Dalbeth N, Wells SM, Jackson R, Poppe K. Association between gout and cardiovascular outcomes in adults with no history of cardiovascular disease: large data linkage study in New Zealand. BMJ MEDICINE 2022; 1:e000081. [PMID: 36936597 PMCID: PMC9978678 DOI: 10.1136/bmjmed-2021-000081] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 05/30/2022] [Indexed: 12/18/2022]
Abstract
Objective To examine the association of gout with cardiovascular outcomes using linked administrative health data in Aotearoa New Zealand. Design Data linkage study. Setting National registries of pharmaceutical dispensing, hospital admission, and deaths linked to the Auckland/Northland regional repository of laboratory results to create a regional health contact population as of 31 December 2011. Participants 942 416 residents of the Auckland/Northland region, aged 20-79 years with no history of cardiovascular disease. Main outcome measures Time to first fatal or non-fatal cardiovascular event, identified from national datasets on hospital admissions and mortality, between 1 January 2012 and 31 December 2016. Cardiovascular disease was broadly defined as comprising ischaemic heart disease, ischaemic or haemorrhagic stroke, transient ischaemic attack, peripheral vascular disease, and heart failure. Interventions A history of gout identified from a discharge diagnosis of gout from a public hospital admission or previous dispensing of gout specific drug treatments. The cohort was then linked to national hospital admissions and deaths through to 31 December 2016 (ie, 5 years' follow-up). Multivariable Cox proportional hazard models were constructed to assess the associations between gout, other risk factors, and cardiovascular outcomes. Results Of 942 416 people included in the study, 31 907 (3.4%) had gout (6261 women and 25 646 men). After adjustment for multiple risk factors for cardiovascular disease, gout was associated with increased cardiovascular events (adjusted hazard ratio 1.34 (95% confidence interval 1.23 to 1.45) in women; 1.18 (1.12 to 1.24) in men). For men with gout, there was an increased risk of cardiovascular disease in those who were not dispensed regular allopurinol (1.15 (1.05 to 1.25)) and those with a serum urate above the treatment target of 0.36 mmol/L (1.16 (1.04 to 1.30)). Risk of cardiovascular events was lower for men with gout who were not dispensed colchicine compared with those who were (0.84 (0.77 to 0.92)). These findings were not observed in women. Conclusion These results indicate that gout is associated with an increased risk of cardiovascular events. In men with gout without history of cardiovascular disease, the cardiovascular risk was lower in those regularly dispensed allopurinol and those with serum urate levels at the recommended treatment target. By contrast, colchicine dispensing was associated with an increased risk of cardiovascular events in men with gout without a cardiovascular history. The potential causal mechanisms of these associations require further exploration, including casual inference modelling in future studies.
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Affiliation(s)
- Ken Cai
- Bone and Joint Research Group, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Billy Wu
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Suneela Mehta
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Matire Harwood
- Te Kupenga Hauora Māori, University of Auckland, Auckland, New Zealand
| | - Corina Grey
- Te Kupenga Hauora Māori, University of Auckland, Auckland, New Zealand
| | - Nicola Dalbeth
- Bone and Joint Research Group, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Susan Mary Wells
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Rod Jackson
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
| | - Katrrina Poppe
- School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, Auckland, New Zealand
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11
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Andersen JB, Wandall-Holm MF, Andersen PK, Sellebjerg F, Magyari M. Pregnancy in women with MS: Impact on long-term disability accrual in a nationwide Danish Cohort. Mult Scler 2021; 28:1239-1247. [PMID: 34791952 DOI: 10.1177/13524585211057767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Pregnancy is considered to influence the disease course in women with multiple sclerosis (MS). OBJECTIVE The aim of this study was to investigate the effect of pregnancy on long-term disability accrual in women with MS. METHODS The Danish Multiple Sclerosis Registry (DMSR) was used to identify women diagnosed with clinically isolated syndrome or relapsing-remitting MS. Cox models with pregnancy as a time-dependent exposure and propensity score (PS) models were used to evaluate time to reach confirmed Expanded Disability Status Scale (EDSS) score of 4 and 6. RESULTS A total of 425 women became parous and 840 remained nulliparous. When including pregnancy as a time-dependent exposure, a non-significant association with time to reach EDSS 4 (hazard ratio (HR) 0.86, 95% confidence interval (CI) 0.61-1.20) and EDSS 6 (HR 0.70, 95% CI 0.40-1.20) was found. Correspondingly, the PS model showed no association with pregnancy on time to reach EDSS 4 (HR 0.85, 95% CI 0.56-1.28). CONCLUSION This study concludes that pregnancy does not affect long-term disability accumulation.
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Affiliation(s)
- Johanna Balslev Andersen
- The Danish Multiple Sclerosis Registry, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
| | - Malthe Faurschou Wandall-Holm
- The Danish Multiple Sclerosis Registry, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
| | | | - Finn Sellebjerg
- The Danish Multiple Sclerosis Center, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark/Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Melinda Magyari
- The Danish Multiple Sclerosis Registry, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark/The Danish Multiple Sclerosis Center, Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark/Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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12
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Oskoui M, Potter BK. Methodological challenges in measuring meaningful change in individuals with spinal muscular atrophy. Muscle Nerve 2021; 64:639-640. [PMID: 34687231 DOI: 10.1002/mus.27442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Maryam Oskoui
- Departments of Pediatrics and Neurology & Neurosurgery, McGill University, Montréal, Québec, Canada
| | - Beth K Potter
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
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13
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Weisman A, Hawker GA, Tomlinson GA. Response to: 'Effectiveness of allopurinol on reducing mortality: Time-related biases in observational studies'. Arthritis Rheumatol 2021; 73:2348-2349. [PMID: 34105313 DOI: 10.1002/art.41886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 05/17/2021] [Indexed: 11/06/2022]
Abstract
We read with great interest the manuscript by Suissa et al that reviewed observational studies of the association between allopurinol and mortality in individuals with gout (1). Suissa describes immeasurable time bias as time periods during which prescription medication records are not available (e.g. hospitalizations), leading to at-risk time being potentially misclassified as unexposed-time. Suissa recommends accounting for the possibility of immeasurable time bias by evaluating hospitalizations during follow-up or using an analytic approach that is weighted by measurable time (2).
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Affiliation(s)
- Alanna Weisman
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,ICES, ON, Canada.,Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Gillian A Hawker
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,ICES, ON, Canada.,Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
| | - George A Tomlinson
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Medicine, University Health Network/Mt Sinai Hospital, Toronto, ON, Canada
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14
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Suissa S, Suissa K, Hudson M. Allopurinol and cardiovascular events: Time-related biases in observational studies. Arthritis Care Res (Hoboken) 2021; 74:858-865. [PMID: 34057310 DOI: 10.1002/acr.24713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/05/2021] [Accepted: 05/20/2021] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Several observational studies reported that allopurinol, an effective treatment for gout, was associated with important reductions in cardiovascular events, with calls for large randomized trials, though some results were conflicting. We assessed the extent of time-related biases in these observational studies. METHODS We searched the literature for all observational studies reporting on allopurinol and cardiovascular events, focusing on two time-related biases. Time-related confounding bias results from studies using cohorts of patients all exposed to allopurinol, with comparisons based on episodes of allopurinol discontinuation, where confounding factors are not updated over follow-up time. Immortal time bias arises from the exposure misclassification of periods of cohort follow-up during which the outcome under study cannot occur. RESULTS We identified 12 studies, of which eight were affected by time-related confounding bias or immortal time bias, while the remaining four studies avoided these biases. The studies affected by time-related confounding bias resulted in significant reductions in the incidence of cardiovascular events with allopurinol use (pooled hazard ratio 0.88; 95% CI: 0.85-0.92), as did the studies affected by immortal time bias (pooled hazard ratio 0.79; 95% CI: 0.72-0.87). The four studies that avoided these biases resulted in a pooled hazard ratio of 1.07 (95% CI: 0.91-1.25). CONCLUSIONS Observational studies reporting significantly reduced incidence of cardiovascular events with allopurinol use were affected by time-related biases. Overall, studies that avoided these biases did not find a protective effect. The ALL-HEART randomised trial will provide important and accurate evidence on the potential effectiveness of allopurinol on cardiovascular outcomes.
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Affiliation(s)
- Samy Suissa
- Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Canada.,Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.,Department of Medicine, McGill University, Montréal, Canada
| | - Karine Suissa
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA,, USA
| | - Marie Hudson
- Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, Canada.,Department of Medicine, McGill University, Montréal, Canada.,Division of Rheumatology, Jewish General Hospital, Montreal, Canada
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