Tafazzul Hussain, Musarrat Sultana, Syeda Amber Zaidi, Syed Saud Hasan, Mohsin Turab, Shamaila Khalid.
Comparison of Allopurinol and Febuxostat in Asymptomatic Hyperuricemic patients and their Impact on Serum Creatinine.
J Bahria Uni Med Dental Coll Jan ;10(1):17-21.

Objective: To determine the effect of Allopurinol & Febuxostat for the treatment of hyperuricemic patients & its influence on renal function by measuring serum creatinine level. Study Design & setting: The clinical trial was conducted at Dr. Ruth K M Pfau Civil Hospital, Karachi, during the period of September 2018 to March 2019 Methodology: 60 patients with sUA > 6.8 mg/dl were registered. A detailed history was taken, patient's baseline serum Uric Acid (sUA) & serum Creatinine were measured. Patients were divided into two groups to receive Allopurinol, 300 mg & Febuxostat 80 mg, daily for 90-days. The blood parameters were repeated at day 30 and 90. Results: Group-A (Allopurinol treated patients) baseline uric acid changed from mean 8.79 +- 0.98 mg/dl to 6.40 +- 0.86 mg/dl at day 90. In Group-B (Febuxostat treated patients) sUA baseline mean changed from 8.85 +- 0.97 mg/dl to 5.96 +- 0.68 mg/dl. Mean difference +- SD change of serum uric acid in Group-A was 2.39 +- 1.15 mg/dl and with Group-B it was 2.90 +- 0.87 mg/dl. Mean Serum Creatinine in Group-A changed from 1.54 +- 0.39 mg/dl to mean 1.48 +- 0.40 mg/dl compared with Group-B where it changed from 1.42 +- 0.30 mg/dl to 1.45 +- 0.31 mg/dl at day-90. Mean difference +- SD of serum Creatinine in Group-A was 0.11 +- 0.25 mg/dl & in Group-B it was, 0.03 +- 0.15 mg/dl. The above changes were statistically non-significant with p-value of 0.144. Conclusion: Allopurinol and Febuxostat treatment resulted in improvement of serum Uric Acid levels while maintaining their renal function.

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