Can Gout Patients Benefit From Drug Combinations?

by Madhumathi Palaniappan on  June 12, 2017 at 11:32 AM Drug News
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Gout occurs due to the accumulation of uric acid crystals. Tophaceous gout is a form of gout where masses of uric acid crystals are deposited in different soft tissue areas of the body.
Can Gout Patients Benefit From Drug Combinations?
Can Gout Patients Benefit From Drug Combinations?

Drug combinations like Lesinurad with febuxostat drug could be better at lowering blood levels of urate than febuxostat alone in a phase III clinical trial of 324 patients with tophaceous gout.

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After a period of 12 months, there were significantly more patients in the combination group who achieved the target levels of urate than patients in the febuxostat group.

Gout occurs when urate crystals accumulate in the joints, causing inflammation and intense pain. In some people, large deposits of urate crystals (tophi) form. These deposits can cause chronic joint inflammation and damage.

Current guidelines for long-term treatment of gout recommend urate-lowering therapy to maintain a blood urate level below 5.0 mg/dl in patients with tophaceous gout.

The recommended first-line urate-lowering therapy is a xanthine oxidase inhibitor, either allopurinol or febuxostat, which inhibits urate production. Many patients are unable to achieve a urate level of <5.0 mg/dl with these drugs.

However, Lesinurad inhibits a uric acid transporter in the kidney and increases excretion of uric acid in the urine. Therefore, lesinurad in combination with a xanthine oxidase inhibitor provides a dual mechanism of action to lower blood levels of urate by increasing kidney excretion of uric acid and reducing urate production.

"Combination treatment of lesinurad and febuxostat represents a new therapeutic option for patients with severe gout who cannot achieve the serum urate treatment target with xanthine oxidase inhibitor monotherapy," said Prof. Nicola Dalbeth, lead author of the Arthritis & Rheumatology trial.



Source: Eurekalert

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