Drug

Pemetrexed

As of the edition of 20 October 2026, Pemetrexed is a small molecule: marketed, first approved in 2004 (US); acts on DHFR, GART and TYMS; no US protection of its own is listed.

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

The drug

Status
Marketed; latest approval 2017
Kind
Small molecule
Brand name
Alimta
First approved
4 February 2004 (US)
Approvals on record
34 in 5 regions
Holder of the most recent approval
Avyxa; 13 holders in all
Withdrawn from market
2 May 2025 (in some regions)
Registered trials
952, 173 stopped early
Disease areas
Cancer; Lungs and airways; Digestive system; Urinary and reproductive; Nervous system; Pregnancy and women's health

US protection

No US protection of its own is listed.

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

Eagle Pharmaceuticals holds a later exclusivity on its own new formulation or combination product, ending 2035; it does not protect the original drug.

This is the US only.

Companies that need a new molecule because of this drug

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

Companies on route B for this drug

In the product

7 company-target rows are on route B because of Pemetrexed.

Targets

GeneProteinUniProt
DHFRDihydrofolate reductaseP00374
TYMSThymidylate synthaseP04818
GARTTrifunctional purine biosynthetic protein adenosine-3 [Includes: Phosphoribosylamine--glycine ligaseP22102

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated26881
Phase 1170903735
Phase 2576225153114
Phase 3165576320
Phase 415513
All trials952

Who has held its approvals

CompanyRoleYears
Eli LillyOriginator, Applicant and Lead sponsor of trials2001 to now
PfizerLater holder and Lead sponsor of trials2005 to now
ActavisLater holder2016 to now
Eagle PharmaceuticalsLater holder2020 to now
Actavis Llc An Indirect Wholly Owned Sub Of Teva PharmaceuticalsLater holder2020 to now
SandozLater holder2022 to now
Accord HealthcareLater holder2022 to now
Shilpa MedicareLater holder2023 to now
AvyxaLater holder2024 to now
Nippon KayakuApplicant