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ARCT-2138

Vaccine (mRNA vaccine) · Immune activation · developed by Arcturus Therapeutics

Phase 1 Most advanced trial (none active)

ARCT Developer

1 Registered trials

What is ARCT-2138?

ARCT-2138 is a self-amplifying RNA seasonal influenza vaccine given as a single 0.5 mL intramuscular dose into the deltoid muscle. It is studied in the prevention of influenza in humans.

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

At a glance

Drug type: Vaccine (mRNA vaccine)
Mechanism: Immune activation
Therapy area: Infectious disease
Developer: Arcturus Therapeutics, Inc. (ARCT)
FDA status: Investigational, not approved in the US. Most advanced trial: Phase 1

🧪 Clinical trials

Trial	Phase	Condition	Status	Sponsor
NCT06125691	Phase 1	Influenza, Human	Completed	ARCT

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

Conditions studied

Influenza, Human

More from Arcturus Therapeutics

ARCT-021 Phase 2 ARCT-032 Phase 2 ARCT-154 Phase 2/3 ARCT-165 Phase 1/2 ARCT-2303 Phase 3 ARCT-2304 Phase 1/2 ARCT-810 Phase 2

Sources

ClinicalTrials.gov NCT06125691

Updated Oct 11, 2026. Something wrong or missing? Report it on the ARCT page.

Follow ARCT, the company behind ARCT-2138

See ARCT'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