Drug

YY2201

As of the edition of 20 October 2026, YY2201 is a drug known only by a code name: in active development; acts on ATR.

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

The drug

Status
Active, 2025
Kind
Code name only
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
ATRSerine/threonine-protein kinase ATRQ13535

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11010
All trials1

Who ran its trials

CompanyRoleYears
Jiangsu YaYao BiotechnologyLead sponsor of trials2025 to now