Weight Loss for Patients with Gout and Concomitant Obesity: A Proof-of-Concept Randomized Trial


OBJECTIVE: Despite scarce evidence, guidelines recommend weight loss as a management strategy for patients with gout. We investigated the effect of an intensive dietary intervention on body weight and clinical measures of gout severity in individuals with obesity and gout.

METHODS: We conducted a 16-week randomized nonmasked parallel-group trial in Denmark, randomly assigning (one-to-one) individuals with obesity and gout to a low-energy diet or a control diet. The primary outcome was change in body weight. Key secondary outcomes were changes in serum urate (SU) level and visual analog scale-assessed pain and fatigue.

RESULTS: Between December 1, 2018, and June 1, 2019, 61 participants were included in the intention-to-treat population and randomly assigned to the intensive diet group (n = 29) or control diet group (n = 32). Participants had a mean age of 60.3 (SD 9.9) years and mean body mass index of 35.6 (SD 5.0), and 59 (97%) were men. After 16 weeks, there was a significant difference in change in body weight between the diet and control groups (-15.4 vs -7.7 kg; difference -7.7 kg [95% confidence interval -10.7 to -4.7], P < 0.001). Despite results being potentially in favor of a low-energy diet, we could not confirm differences in SU level changes and fatigue between groups. No differences in pain and gout flares were observed between groups. No serious adverse events or deaths occurred during the trial.

CONCLUSION: An intensive dietary intervention was safe and effectively lowered body weight in people with obesity and gout, but the weight loss did not directly translate into effects on SU level, fatigue, and pain.

Original languageEnglish
JournalArthritis and Rheumatology
Publication statusE-pub ahead of print - 2 Jan 2024


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