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ARCT-810

Phase 2

OTC Deficiency | Monoclonal antibody | Other |Arcturus Therapeutics Holdings Inc.|Last Updated: Mar 17, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment9
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06488313A Study to Evaluate the Pharmacodynamics and Safety of ARCT-810 in Participants With OTCDPHASE2 RECRUITING 9Nov 4, 2024Sep 1, 2026Mar 17, 20251 United States
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Study Endpoints
Primary Endpoints
Incidence, severity and dose-relationship of adverse events (AEs)
Day 85

Safety and tolerability of ARCT-810 assessed by incidence, severity, and dose-relationship of AEs

Secondary Endpoints
Stable isotope ureagenesis assay values (AUC of first isotope)
Up to Day 85
Stable isotope ureagenesis assay values (AUC of second isotope)
Up to Day 85
Fasting plasma ammonia
Up to Day 85
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ARCT-810EXPERIMENTALParticipants will receive up to 5 IV infusions of ARCT-810 administered at 14-day intervals.
Interventions
NameTypeDescription
ARCT-810BIOLOGICALARCT-810 is an investigational medicinal product comprising Ornithine Transcarbamylase (OTC) messenger RNA (mRNA) formulated in a lipid nanoparticle (LNP).
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Eligibility Criteria
Age Range12 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. Willingness and ability to comply with all the protocol requirements, complete all study visits and sign informed consent. 2. Males and Females aged ≥12 years, at Screening. 3. Documented clinical diagnosis of OTC deficiency. 4. History of symptomatic hyperammonemia or elevat...

Countries:United States
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT06488313primaryCompletionDate: changed
LOWMay 24, 2026NCT06488313studyFirstPostDate: changed