DUZALLO (allopurinol; lesinurad) by Ironwood Pharmaceuticals is allopurinol acts on purine catabolism, without disrupting the biosynthesis of purines. Approved for leukemia, lymphoma. First approved in 2017.
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DUZALLO is a fixed-dose oral combination of allopurinol (xanthine oxidase inhibitor) and lesinurad (uricosuric agent) approved in 2017 for hyperuricemia in patients with leukemia and lymphoma. It reduces uric acid production by inhibiting the enzyme responsible for converting hypoxanthine and xanthine to uric acid, while lesinurad enhances renal clearance. This dual mechanism provides complementary uric acid-lowering effects in cancer patients at risk of tumor lysis syndrome.
Product is at peak lifecycle stage with 5.4 years of patent protection remaining; commercial teams are likely stable but face approaching LOE planning urgency.
Allopurinol acts on purine catabolism, without disrupting the biosynthesis of purines. It reduces the production of uric acid by inhibiting the biochemical reactions immediately preceding its formation. Allopurinol is a structural analogue of the natural purine base, hypoxanthine. It is an…
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Upgrade to Pro — $25/moWorking on DUZALLO offers exposure to oncology-supportive care and niche market dynamics, but with limited headroom for growth given the small patient population and approaching LOE. Career advancement opportunities are constrained by product maturity and lack of pipeline expansion, making this role best suited for professionals seeking stability in a specialized oncology team rather than high-growth trajectory.