There are a number of medications in the pipeline targeting hyperuricemia, mostly uricosurics in combination with xanthine oxidase inhibitors, but some targeting both xanthine oxidoreductase and URAT1. Increasing the number of available medications will ensure proper control of hyperuricemia to target serum urate levels in the near future for most, if not all, patients with hyperuricemia.
Introduction Gout is commonly associated with low adherence rates, thus limiting the effectiveness of treatment. Nevertheless, informed and empowered patients may be more likely to achieve high adherence. We intend to demonstrate that adherence in clinical practice may reach that achieved in clinical trials. Methods This was a transversal study within an inception cohort of patients with gout prospectively followed up. Patients were informed at entrance in the cohort of outcomes, targets, and means to implement for successful treatment. Adherence was evaluated through electronic medication possession ratio (MPR) for urate-lowering medication and oral medications for hypertension, diabetes, and hyperlipidemia for comparison. Factors associated with nonadherence, and the relation between nonadherence and serum urate levels while on treatment were analyzed. Results Data were retrieved from 336 patients, who showed a mean MPR of 87.5%, with 82.1% of patients showing MPR ≥ 0.8. Rates of adherence for hypertension, hyperlipidemia, and diabetes were quite similar (88%, 87%, and 83%, respectively), although MPR > 0.8 was significantly lower for oral medications for diabetes. Adherence was lower, but nevertheless quite fair, during the first year of follow-up, and increasing over time. Active follow-up and comorbidity were associated with good adherence, and adherence and long-term follow-up were associated with higher rates of achieving serum urate within therapeutic target. Conclusion Patients with gout show high rates of adherence if empowered. Active follow-up and comorbidity are associated with high rates of adherence. Adherence is strongly associated with higher rates of achievement of therapeutic serum urate target.
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