Endoxifen - Atossa Therapeutics
Alternative Names: (Z)-endoxifen; Z-endoxifen - Atossa TherapeuticsLatest Information Update: 08 Oct 2025
At a glance
- Originator Atossa Genetics
- Developer Atossa Therapeutics; Weill Cornell Medicine
- Class Antineoplastics; Methylamines; Phenyl ethers; Small molecules; Stilbenes
- Mechanism of Action Estrogen receptor antagonists; Selective estrogen receptor modulators
-
Orphan Drug Status
No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
Highest Development Phases
- Phase II Breast cancer; Ductal carcinoma; HER2 negative breast cancer
- Preclinical Triple negative breast cancer
- No development reported Gynaecomastia; Ovarian cancer
Most Recent Events
- 06 Oct 2025 Atossa Therapeutics plans NDA submission to US FDA
- 06 Oct 2025 Efficacy data from a phase II EVANGELINE trial in HER2-negative-breast-cancer trial released by Atossa Therapeutics
- 08 Sep 2025 Atossa Therapeutics plans a Type C meeting with the US FDA to discuss regulatory strategies for development of low-dose (Z)-endoxifen for Breast cancer risk reduction in 2025.