Drug

Lesinurad

As of the edition of 20 October 2026, Lesinurad is a small molecule: marketed, first approved in 2015 (US); acts on SLC22A12; US protection ends in 2032.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2015
Kind
Small molecule
Brand name
Zurampic
First approved
22 December 2015 (US)
Approvals on record
3 in 1 region
Holder of the most recent approval
Ironwood Pharmaceuticals
Registered trials
21, 1 stopped early
Disease areas
Bones, joints and muscles; Inherited and neonatal; Nutrition and metabolism

US protection

US protection ends in 2032.

The last listed US drug-substance patent ends in 2032. The application that gives this date is held by Ironwood Pharmaceuticals.

This is the US only, and it is not the date generics or biosimilars can enter.

The exact date and the listings behind it

In the product

1 listing counts towards this date. The exact date and each listing are in the product.

See the exact date and the 1 listing behind itRequest access. Nothing is shown until you do.

Companies that need a new molecule because of this drug

1 company on route B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of Lesinurad.

Target

GeneProteinUniProt
SLC22A12Solute carrier family 22 member 12Q96S37

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated1001
Phase 1111100
Phase 22200
Phase 37700
All trials21

Who has held its approvals

CompanyRoleYears
Ardea BiosciencesOriginator and Lead sponsor of trials2009 to now
Ironwood PharmaceuticalsAcquired holder2016 to now