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Custirsen · OGX-011, TV-1011

Oligonucleotide (Antisense oligonucleotide) · Gene silencing: clusterin (CLU) · developed by Achieve Life Sciences

Phase 3 Most advanced trial (none active)
ACHV Developer
4 Registered trials

What is Custirsen?

Custirsen is an antisense oligonucleotide that blocks production of clusterin (TRPM-2), an anti-apoptotic protein overexpressed in prostate cancer cells. By reducing clusterin levels, custirsen sensitizes cancer cells to chemotherapy. It is studied in castrate-resistant prostate cancer and non-small cell lung cancer, typically combined with chemotherapy agents.

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

At a glance

Also known as
OGX-011, TV-1011
Drug type
Oligonucleotide (Antisense oligonucleotide)
Targets
clusterin (CLU)
Mechanism
Gene silencing: clusterin (CLU)
Pathways
apoptosis
Therapy area
Oncology
Developer
Achieve Life Sciences (ACHV)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 3
UNII
L26E95NLRK

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT01630733 Phase 3 Non-Small Cell Lung Cancer Completed ACHV
NCT01083615 Phase 3 Castrate-Resistant Prostate Cancer Terminated ACHV
NCT00327340 Phase 2 Prostate Cancer Completed ACHV
NCT01497470 Phase 1 Cancer Completed ACHV

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

Conditions studied

CancerCastrate-Resistant Prostate CancerHormone Refractory Prostate CancerNon-Small Cell Lung CancerProstate Cancer

Other drugs acting on CLU

More from Achieve Life Sciences

Sources

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

Follow ACHV, the company behind Custirsen

See ACHV's upcoming FDA decisions, trial readouts, cash runway and dilution risk, updated every day from SEC, FDA and ClinicalTrials.gov filings.

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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.