Drug

Crofelemer

As of the edition of 20 October 2026, Crofelemer is a small molecule: marketed, first approved in 2012 (US); acts on ANO1 and CFTR; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2012
Kind
Small molecule
Brand name
Mytesi
First approved
31 December 2012 (US)
Approvals on record
1 in 1 region
Holder of the most recent approval
Napo Pharmaceuticals
Registered trials
16, 1 stopped early
Disease areas
Immune system; Infections; Urinary and reproductive; Digestive system; Skin and connective tissue; Cancer

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

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

Companies on route B for this drug

In the product

2 company-target rows are on route B because of Crofelemer.

Targets

GeneProteinUniProt
CFTRCystic fibrosis transmembrane conductance regulatorP13569
ANO1Anoctamin-1Q5XXA6

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated2200
Phase 11010
Phase 25410
Phase 35410
Phase 43201
All trials16

Who has held its approvals

CompanyRoleYears
Bausch HealthOriginator and Lead sponsor of trials2004 to now
Napo PharmaceuticalsAcquired holder and Lead sponsor of trials2016 to now