Drug

Imetelstat

As of the edition of 20 October 2026, Imetelstat is a drug: marketed, first approved in 2024 (US); acts on TERT; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2025
Kind
Unknown
Brand name
Rytelo
First approved
6 June 2024 (US)
Approvals on record
3 in 2 regions
Holder of the most recent approval
Geron; 2 holders in all
Registered trials
11, 2 stopped early
Disease areas
Blood and lymph; Cancer; Immune system; Heart and blood vessels; Lungs and airways

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

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 Imetelstat.

Target

GeneProteinUniProt
TERTTelomerase reverse transcriptaseO14746

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated1000
Phase 13012
Phase 26510
Phase 31010
All trials11

Who has held its approvals

CompanyRoleYears
GeronOriginator, Applicant and Lead sponsor of trials2024 to now