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Darinaparsin · ZIO-101

Small molecule · Cytotoxic · developed by Alaunos Therapeutics

Phase 2 Most advanced trial (none active)
TCRT Developer
5 Registered trials

What is Darinaparsin?

Darinaparsin is a small-molecule organic arsenical that generates cytotoxic arsenic compounds when glutathione concentrations are low. It disrupts mitochondrial bioenergetics and produces reactive oxygen species to induce tumor cell apoptosis, while potentially interrupting G2/M cell cycle progression and exhibiting antiangiogenic effects. It is studied in multiple myeloma, lymphomas, and solid tumors.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as
ZIO-101, Darinaparson
Drug type
Small molecule
Mechanism
Cytotoxic
Pathways
mitochondrial bioenergetics, reactive oxygen species (ROS) production, G2/M cell cycle arrest, angiogenesis
Therapy area
Oncology
Developer
Alaunos Therapeutics (TCRT)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 2
UNII
9XX54M675G

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT00423644 Phase 2 Multiple Myeloma Completed TCRT
NCT00421213 Phase 2 Hematologic Neoplasms Terminated TCRT
NCT00303199 Phase 1/2 Multiple Myeloma Completed TCRT
NCT00592163 Phase 1 Advanced Solid Tumors Completed TCRT
NCT00509782 Phase 1 Solid Tumors Completed TCRT

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Advanced Solid TumorsBone Marrow NeoplasmsHematologic NeoplasmsLymphomasMultiple MyelomaNon-Hodgkin's LymphomaSolid Tumors

More from Alaunos Therapeutics

Sources

Updated Oct 3, 2026. Something wrong or missing? Report it on the TCRT page.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z

This data is for informational purposes only, not investment advice. BioRadar does not provide buy/sell recommendations. Past performance does not guarantee future results. Always do your own due diligence.