US FDA United States — FDA approvals (Drugs@FDA)
| Product | Strength | Form · route | Applicant | Status | First approved |
| DUZALLO | 200MG;200MG; 300MG;200MG | tablet · oral | IRONWOOD PHARMS INC | Discontinued | 18 Aug 2017 |
EMA European Union — centrally authorised medicines
Duzallo Grunenthal GmbH · Withdrawn · authorised 23 Aug 2018 · ATC M04AA51
Therapeutic indication (EMA)
Duzallo is indicated in adults for the treatment of hyperuricaemia in gout patients who have not achieved target serum uric acid levels with an adequate dose of allopurinol alone.
Values as published by each source: SFDA human drug list (4-2026, as published by the Council of Health Insurance; indications from the CHI Daman Drug Formulary), Drugs@FDA, EMA medicines data, Health Canada Drug Product Database (Open Government Licence – Canada), CMS NADAC, NHS Drug Tariff Part VIIIA (NHSBSA Copyright, Open Government Licence v3.0), WHO Model List of Essential Medicines (CC BY 3.0 IGO; regrouped by active substance, not created by WHO), EMA PRAC, US FDA safety-related labeling changes and MHRA Drug Safety Update (Open Government Licence v3.0). Sources and reuse. Not a substitute for the official registers or the product information.