Drug

Nafamostat

As of the edition of 20 October 2026, Nafamostat is a small molecule: in active development; acts on C1R, PRSS1 and TPSAB1.

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

The drug

Status
Active, 2026
Kind
Small molecule
Registered trials
18, 1 stopped early
Disease areas
Infections; Lungs and airways; Pregnancy and women's health; Urinary and reproductive

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Targets

GeneProteinUniProt
C1RComplement C1r subcomponentP00736
PRSS1Serine protease 1P07477
TPSAB1Tryptase alpha/beta-1Q15661

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated3030
Phase 13210
Phase 25310
Phase 33001
Phase 44130
All trials18

Who ran its trials

CompanyRoleYears
Ensysce BiosciencesLead sponsor of trials2020 to now
Chong Kun Dang PharmaceuticalLead sponsor of trials2020 to now