ATTR 01
Alternative Names: ATTR-01; TROCEPT-01Latest Information Update: 15 Sep 2025
At a glance
- Originator Accession Therapeutics
 - Class Antineoplastics; Gene therapies; Immunotherapies; Oncolytic viruses
 - Mechanism of Action Cell death stimulants; Immune checkpoint protein inhibitors; Immunologic cytotoxicity
 
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              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
 - Available For Licensing Yes - Cancer
 
Highest Development Phases
- Phase I/II Solid tumours
 
Most Recent Events
- 15 Sep 2025 Accession Therapeutics plans a phase I trial for ATTR 01 for Cancer in 2025 (Accession Therapeutics pipeline, September 2025)
 - 07 Aug 2025 Accession Therapeutics re-initiates the phase I/II ATTEST trial in Solid tumours (Second-line therapy or greater) in United Kingdom, Spain (IV) (NCT06977737)
 - 08 Jun 2025 Accession Therapeutics suspends the phase I/II ATTEST trial in Solid tumours (Second-line therapy or greater) in United Kingdom, Spain (IV), due to assay validation (NCT06977737)