Target

TYMS

Thymidylate synthase

As of the edition of 20 October 2026, TYMS (thymidylate synthase, UniProt P04818) has 13 drugs tested at it and 30 companies on the list, 6 on route A and 7 on route B.

Sources: UniProt, ClinicalTrials.gov, ChEMBL, FDA Orange Book and Purple Book, Pharos.

The protein

UniProt
P04818
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
In more than one place
Solved structures
61
Disease areas
Cancer; Digestive system; Lungs and airways; Skin and connective tissue; Hormones; Urinary and reproductive; Pregnancy and women's health; Mouth and teeth
Registered trials of its drugs
4,211

Drugs at this target

StatusCount
Marketed6
Went quiet6
Stopped1
Total13
DrugStatusFurthest phaseUS protection
FluorouracilMarketedPhase 4none listed
CapecitabineMarketedPhase 4none listed
PemetrexedMarketedPhase 4none listed
TegafurMarketedPhase 4none listed
FloxuridineMarketedPhase 3none listed
RaltitrexedMarketedPhase 4none listed
OSI-7904Went quietPhase 2none listed
Fosifloxuridine nafalbenamideStoppedPhase 2none listed
DoxifluridineWent quietPhase 4none listed
IdetrexedWent quietPhase 1none listed
NB1011Went quietPhase 2none listed
NolatrexedWent quietPhase 3none listed

12 of 13 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A6
Route B7
Engaged17
Total on the list30
Three companies on route A or B, with the route only
CompanyRoute
Eli LillyRoute B
NuCanaRoute A
AstraZenecaRoute A

The other 27 companies at TYMS

In the product

30 companies in all; 27 are not named here, and no score is.

See the 30 companies at TYMS, ranked, with the facts behind eachRequest access. Nothing is shown until you do.