Target

F2

Prothrombin

As of the edition of 20 October 2026, F2 (prothrombin, UniProt P00734) has 13 drugs tested at it and 29 companies on the list, 2 on route A and 9 on route B.

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

The protein

UniProt
P00734
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
Secreted
Solved structures
490
Disease areas
Heart and blood vessels; Nervous system; Blood and lymph; Lungs and airways; Inherited and neonatal; Digestive system; Infections; Urinary and reproductive
Registered trials of its drugs
371

Drugs at this target

StatusCount
Marketed10
Went quiet2
Withdrawn from market1
Total13
DrugStatusFurthest phaseUS protection
Dabigatran etexilateMarketedPhase 4Ended 2025
DabigatranMarketedPhase 4none listed
BivalirudinMarketedPhase 4none listed
ArgatrobanMarketedPhase 4none listed
DefibrotideMarketedPhase 4none listed
Antithrombin iii humanMarketedPhase 4Ended 2003
Antithrombin alfaMarketedPhase 4Ended 2021
Atecegatran metoxilWent quietPhase 2none listed
DesirudinMarketedPhase 4Ended 2015
IchorcumabWent quietPhase 2none listed
LepirudinMarketedPhase 2none listed
XimelagatranWithdrawn from marketPhase 3none listed

12 of 13 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A2
Route B9
Engaged2
Undetermined16
Total on the list29
Three companies on route A or B, with the route only
CompanyRoute
Boehringer IngelheimRoute B
Jazz PharmaceuticalsRoute B
Bausch HealthRoute B

The other 26 companies at F2

In the product

29 companies in all; 26 are not named here, and no score is.

See the 29 companies at F2, ranked, with the facts behind eachRequest access. Nothing is shown until you do.