Drug

Anagrelide

As of the edition of 20 October 2026, Anagrelide is a small molecule: marketed, first approved in 1997 (US); acts on PDE3A and PDE3B; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2014
Kind
Small molecule
Brand name
Agrylin
First approved
14 March 1997 (US)
Approvals on record
5 in 4 regions
Holder of the most recent approval
Takeda; 3 holders in all
Registered trials
12, 0 stopped early
Disease areas
Blood and lymph; Cancer

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Companies that need a new molecule because of this drug

2 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

2 company-target rows are on route B because of Anagrelide.

Targets

GeneProteinUniProt
PDE3BcGMP-inhibited 3',5'-cyclic phosphodiesterase 3BQ13370
PDE3AcGMP-inhibited 3',5'-cyclic phosphodiesterase 3AQ14432

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated1100
Phase 14400
Phase 22200
Phase 34400
Phase 41100
All trials12

Who has held its approvals

CompanyRoleYears
TakedaApplicant and Lead sponsor of trials1997 to now