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Open research questions in Gout, Hyperuricemia, Uric Acid

399 gap statements mined from Gout, Hyperuricemia, Uric Acid papers in our 7.9M-paper local library, which holds 1,776 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The study is limited by its cross-sectional design, which may not capture causal relationships. The study may be subject to recall bias. The study may not have fully adjusted for confounding factors. The study highlights the complexity of uric acid metabolism in women, which cannot be solely attributed to dietary factors.

    Beyond purine restriction: dietary quality and sex differences in hyperuricemia · 2026 · DOI

  • Anthropometric measures are imperfect surrogates of metabolic dysfunction. There is a need to examine the associations of TNF-α, uric acid, and the leptin/adiponectin ratio with HOMA-IR in hospitalized adults.

    Associations of TNF-α, Uric Acid, and the Leptin/Adiponectin Ratio with HOMA-IR in Hospitalized Adults: A Cross-Sectional Secondary Analysis of 147 Patients · 2026 · DOI

  • The study must address the complexity of the relationship between uric acid levels and depressive symptoms. The study needs to consider the limitations of using a cross-sectional design and self-reported data.

    Age-dependent association of uric acid levels with depressive symptoms in adults: NHANES 2007–2018 · 2026 · DOI

  • The relationship between uric acid levels and depressive symptoms is complex and not fully understood. Prior studies have not fully explored the age-dependent association between uric acid levels and depressive symptoms. There is a need for further research to understand the role of uric acid in depressive symptoms and potential age-related differences.

    Age-dependent association of uric acid levels with depressive symptoms in adults: NHANES 2007–2018 · 2026 · DOI

  • Prior studies have highlighted the association between high serum uric acid levels and increased cardiovascular risk, but the specific role of serum uric acid and serum creatinine ratio in atherosclerotic renal artery stenosis is not well understood.

    The Role of Serum Uric Acid and Serum Creatinine Ratio as Possible Markers of Autonomic Dysfunction and Left Ventricular Mass Index in Atherosclerotic Renal Artery Stenosis · 2025 · DOI

  • However, the effects of sUA levels on bone mineral density (BMD) and bone turnover markers (BTMs) in gout patients, as well as the risk factors for osteopenia in this population, remain unclear.

    Association between serum uric acid level and bone mineral density in Chinese gout patients: a cross-sectional study · 2026 · DOI

  • Hyperuricemia (HUA) and gout in goslings are increasingly recognized in intensive production systems, yet liver involvement in HUA remains poorly understood.

    Integrated transcriptomics and metabolomics reveal suppression of the PPAR α/γ pathway linking purine metabolism disorder to high-protein diet-induced hyperuricemia in goslings · 2026 · DOI

  • Hyperuricemia (HUA) affects diverse biological processes and signaling pathways across multiple organ systems; however, its impact on the intestine remains poorly understood.

    Targeting CCDC90B restores intestinal stem cell function under hyperuricemic stress · 2026 · DOI

  • Changes in nutritional status and body composition may be associated with uric acid levels; however, studies in Indonesia have reported inconsistent findings.

    Relationship Between Body Mass Index and Uric Acid Levels Among Older Adults in Kersamanah Village · 2026 · DOI

  • Whether febuxostat is associated with an increased cardiovascular risk compared with allopurinol in patients with gout remains controversial, with major randomized trials reporting conflicting results.

    Time-varying cardiovascular risk of febuxostat vs. allopurinol in gout: a one-stage meta-analysis · 2026 · DOI

  • Calcium pyrophosphate deposition (CPPD) disease is a common crystalline arthritis that has historically been under-studied compared to other rheumatic diseases including gout.

    Contemporary issues relating to calcium pyrophosphate deposition disease · 2026 · DOI

  • For decades, the presence of CPPD in joints has been consider of uncertain clinical importance, with conflicting reports on whether CPPD leads to osteoarthritis progression or other adverse outcomes.

    Contemporary issues relating to calcium pyrophosphate deposition disease · 2026 · DOI

  • While ferroptosis is known to drive renal injury in HN, the upstream molecular mechanisms remain unclear.

    Identification of Thioredoxin-Interacting Protein as an Upstream Regulator of Ferroptosis in Hyperuricemic Nephropathy · 2026 · DOI

  • Cys92Ser may promote uromodulin misfolding and endoplasmic reticulum retention and thereby contribute to kidney injury; this mechanistic inference remains to be verified by direct functional experiments for this novel variant.

    Case Report: Uromodulin-associated autosomal dominant tubulointerstitial kidney disease: case analysis and literature review · 2026 · DOI

  • The interconnection between brain function and hyperuricemia remains controversial since the available evidence indicates both the potent neuroprotective role of uric and its negative cardiovascular and metabolic effects, possible prooxidant activity.

    Beneficial and Detrimental Effects of Uric Acid on Alzheimer’s Disease · 2025 · DOI

  • Research on the association between the Chinese visceral adiposity index (CVAI) and hyperuricaemia (HUA) is scarce, and whether the association differs by sex is unclear.

    Sex-specific association between Chinese visceral adiposity index and hyperuricaemia among adults: a population-based cross-sectional study in Chongqing, China · 2025 · DOI

  • Gout frequently complicates chronic kidney disease (CKD), yet the incidence and specific risk factors for gout in patients with CKD and asymptomatic hyperuricemia remain unclear.

    The Incidence and Risk Factors of Gout in Non-dialysis Chronic Kidney Disease Patients With Asymptomatic Hyperuricemia · 2025 · DOI

  • Future prospective and mechanistic studies are warranted to clarify the temporal relationship and the underlying pathways linking purine metabolism to biliary pathology.

    The association between serum uric acid to creatinine ratio and gallstones: National Health and Nutrition Examination Survey 2017–2020 · 2025 · DOI

  • Serum uric acid (SUA) has been linked to cognitive function, but sex-specific associations remain unclear.

    Serum uric acid levels and longitudinal change in cognitive function in older adults: a sex-stratified population-based study · 2025 · DOI

  • Despite this, the mechanistic underpinnings of kidney damage precipitated by a high purine diet warrant further research.

    Energy insufficiency induced by high purine diet: Catalysts for renal impairment in hyperuricemia nephropathy rat model · 2024 · DOI

  • However, the potential protective mechanism of DF against potassium oxybate-induced hyperuricaemia (HUA), as modelled by prophylactic administration, remains unclear.

    The ameliorative and neuroprotective effects of dietary fibre on hyperuricaemia mice: a perspective from microbiome and metabolome · 2024 · DOI

  • The acute benefit of aggressively lowering SUA on kidney and cardiovascular function in this population remains underexplored.

    Pegloticase-Induced Rapid Uric Acid Lowering and Kidney and Cardiac Health Markers in Youth-Onset Type 2 Diabetes: A Pilot Clinical Trial · 2024 · DOI

  • The relationship between serum uric acid (SUA) levels and brain-related health remains uncertain.

    Serum Uric Acid Levels Associated with Outcomes of Neurodegenerative Disorders and Brain Health: Findings from the UK Biobank · 2024 · DOI

  • Future prospective cohort studies are required to determine whether personalized, sex-specific dietary interventions can improve long-term clinical outcomes, - Randomized controlled trials are needed to further investigate the relationship between dietary quality…

    Beyond purine restriction: dietary quality and sex differences in hyperuricemia · 2026 · DOI

  • The study was not designed to establish a diagnostic HOMA-IR threshold - The limited sample, complete-case restriction, and low number of marked-insulin-resistance observations relative to model complexity preclude claims of clinical prediction utility or transportability - The study was conducted in a selected hospitalized…

    Associations of TNF-α, Uric Acid, and the Leptin/Adiponectin Ratio with HOMA-IR in Hospitalized Adults: A Cross-Sectional Secondary Analysis of 147 Patients · 2026 · DOI

Most-cited papers in Gout, Hyperuricemia, Uric Acid

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Open questions raised by papers listed on this page include: (1) There is a need to examine the associations of TNF-α, uric acid, and the leptin/adiponectin ratio with HOMA-IR in hospitalized adults (“Associations of TNF-α, Uric Acid, and the Leptin/Adiponectin Ratio with HOMA-IR…”, 2026); (2) The relationship between uric acid levels and depressive symptoms is complex and not fully understood (“Age-dependent association of uric acid levels with depressive symptoms in…”, 2026); (3) The effects of sUA levels on bone mineral density (BMD) and bone turnover markers (BTMs) in gout patients, as well as the risk factors for osteopenia in this population, remain unclear (“Association between serum uric acid level and bone mineral density in Chinese…”, 2026); (4) Hyperuricemia (HUA) and gout in goslings are increasingly recognized in intensive production systems, yet liver involvement in HUA remains poorly understood (“Integrated transcriptomics and metabolomics reveal suppression of the PPAR α/γ…”, 2026); (5) Hyperuricemia (HUA) affects diverse biological processes and signaling pathways across multiple organ systems; however, its impact on the intestine remains poorly understood (“Targeting CCDC90B restores intestinal stem cell function under hyperuricemic…”, 2026). 399 gap statements have been mined from Gout, Hyperuricemia, Uric Acid papers in our 7.9M-paper local library, which holds 1,776 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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