Drug

ST1535

As of the edition of 20 October 2026, ST1535 is a small molecule: of no established status; acts on ADORA2A.

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

The drug

Status
Status not established
Kind
Small molecule
Registered trials
1, 0 stopped early

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Target

GeneProteinUniProt
ADORA2AAdenosine receptor A2aP29274

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11100
All trials1

Who ran its trials

CompanyRoleYears
Circadian TherapeuticsLead sponsor of trials2021 to now