Actinium-225 RTX 2358
Alternative Names: [Ac-225] RTX-2358; Actinium-225-RTX-2358; FAP-[Ac225]Latest Information Update: 12 Dec 2025
At a glance
- Originator Ratio Therapeutics
- Class Antineoplastics; Radioisotopes; Radiopharmaceuticals
- Mechanism of Action Ionising radiation emitters
-
Orphan Drug Status
No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Phase I/II Soft tissue sarcoma
Most Recent Events
- 12 Nov 2025 Phase-I/II clinical trials in Soft tissue sarcoma (Late-stage disease, Second-line therapy or greater) in USA (IV) (NCT07156565)
- 09 Sep 2025 Ratio Therapeutics plans phase I trial in Sarcoma in October 2025 (IV) (NCT07156565)
- 05 Sep 2025 Preclinical trials in Soft tissue sarcoma in USA (IV), before September 2025