Evidence map›Paper›PMID 42467346›Full record

ArticleClinical rheumatology2026

Gout and allopurinol adherence in newly diagnosed patients and the risk of fractures: a nationwide cohort study.

Jang Ho Doo, Jiwon Yu, Sun Jae Park, Sang Woo Park, Jina Chung, Ju Hyun Kang, Young Jun Park, Hyun-Young Shin, Changho Han, Byeongzu Ghang and 1 more

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Article in Clinical rheumatology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

11 authors.

Jang Ho DooDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Jiwon YuDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Sun Jae ParkDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Sang Woo ParkDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Jina ChungDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Ju Hyun KangDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea.
Young Jun ParkDepartment of Family Medicine, Seoul National University Hospital, Seoul, South Korea.
Hyun-Young ShinDepartment of Family Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea.
Changho HanMedical Big Data Research Center, Seoul National University Medical Research Center, Seoul National University College of Medicine, Seoul, South Korea.
Byeongzu GhangDepartment of Rheumatology, Uijeongbu Eulji Medical Center, Uijeongbu, South Korea.
Sang Min ParkDepartment of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea. smpark.snuh@gmail.com.ORCID http://orcid.org/0000-0002-7498-4829

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

INTRODUCTION /

objectivesThe association between gout and fractures remains controversial due to the competing effects of uric acid's antioxidant properties and gout-induced chronic inflammation. Our study aimed to evaluate the risk of fractures in newly diagnosed gout patients and to analyze the impact of Allopurinol medication adherence on this risk.

methodsThis nationwide cohort study utilized the National Health Insurance Service-National Health Screening Cohort (NHIS-HEALS) database (2002-2019). We identified 4,107 patients newly diagnosed with gout who remained on continuous allopurinol therapy during the 24-month medication assessment period and matched them 1:3 with 12,321 non-gout controls using propensity score matching. Allopurinol adherence was assessed via the Medication Possession Ratio (MPR) over a 24-month period and categorized into three groups: MPR < 0.3, 0.3 ≤ MPR < 0.8, and MPR ≥ 0.8. Multivariable Cox proportional hazards regression was used to calculate adjusted hazard ratios (aHR) and 95% confidence intervals (CI) for fractures (vertebral, hip, and distal radius).

resultsGout patients demonstrated a significantly higher risk of overall fractures compared to the non-gout group (aHR 5.52; 95% CI 4.19-7.26). A significant inverse linear relationship was observed between allopurinol adherence and fracture risk (P for trend < .001). The risk was highest in the low-adherence group (MPR < 0.3; aHR 5.91; 95% CI 4.40-7.93) and relatively lower in the high-adherence group (MPR ≥ 0.8; aHR 4.77; 95% CI 2.94-7.72). Consistent trends were observed for vertebral (aHR 5.68) and hip (aHR 4.22) fractures. These associations remained consistent across all subgroups, including age, sex, and comorbidities.

conclusionNewly diagnosed gout is associated with a substantially increased risk of fractures. Higher adherence to Allopurinol therapy is correlated with a significant reduction in this risk, suggesting that consistent urate-lowering therapy may mitigate gout-related bone fragility. Key Points • Newly diagnosed gout patients have a significantly higher risk of major osteoporotic fractures compared to the non-gout population. • A significant inverse linear relationship exists between Allopurinol adherence and fracture risk, with the highest adherence group (MPR ≥ 0.8) showing a relatively lower risk. • Consistent urate-lowering therapy (ULT) may mitigate bone fragility in gout patients by reducing systemic inflammatory burden caused by urate crystal deposition.

Indexed as

AllopurinolDrug MonitoringFractures, BoneGoutGout SuppressantsAdultAgedCohort StudiesFemaleHumansMaleMedication AdherenceMiddle AgedProportional Hazards ModelsRisk FactorsTaiwanAllopurinolGout SuppressantsAllopurinolGoutMedication adherenceNationwide cohort studyOsteoporotic fracturesUrate-lowering therapy

Identifiers

PMID42467346
PMCPMC13526098

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.