Actinium-225 Dotate - RayzeBio
Alternative Names: 225Ac-DOTATATE; RYZ-101Latest Information Update: 10 Sep 2025
At a glance
- Originator RayzeBio
- Class Antineoplastics; Drug conjugates; Peptides; Radioisotopes; Radiopharmaceuticals
- Mechanism of Action Ionising radiation emitters
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Orphan Drug Status
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 III Gastro-enteropancreatic neuroendocrine tumour
- Phase I/II Triple negative breast cancer
- Phase I Small cell lung cancer
Most Recent Events
- 27 Aug 2025 Ohio State University Comprehensive Cancer Center plans a phase I/II PRIMe-STAR trial (Second-line therapy or greater, Recurrent)for Meningioma in USA (IV) in November 2025 (NCT07150806) (NCI-2025-06045)
- 31 Jan 2025 Jules Bordet Institute collaboration with RayzeBio withdraw prior to enrollement phase I (AcTRESS) trial for Multiple myeloma (Late-stage disease, Second-line therapy or greater) in Belgium (IV) (NCT06411301)
- 19 Jul 2024 Phase-I/II clinical trials in Triple-negative-breast-cancer (Combination therapy, Late-stage disease, Second-line therapy or greater, Metastatic disease, Inoperable/Unresectable) in USA (IV) (NCT06590857)