Status:

RECRUITING

A Study to Evaluate the Pharmacodynamics and Safety of ARCT-810 in Participants With OTCD

Lead Sponsor:

Arcturus Therapeutics, Inc.

Conditions:

OTC Deficiency

Ornithine Transcarbamylase Deficiency

Eligibility:

All Genders

12+ years

Phase:

PHASE2

Brief Summary

Evaluate the safety and pharmacodynamics of multiple doses of ARCT-810 in adolescent and adult participants with OTC deficiency.

Detailed Description

This a Phase 2a, open-label study of ARCT-810 in participants 12 years of age and older living with OTC deficiency. After a diet stabilization period of at least 4 weeks, all participants will be enro...

Eligibility Criteria

Inclusion

  • Willingness and ability to comply with all the protocol requirements, complete all study visits and sign informed consent.
  • Males and Females aged ≥12 years, at Screening.
  • Documented clinical diagnosis of OTC deficiency.
  • History of symptomatic hyperammonemia or elevated plasma ammonia or glutamine with clinical stability for at least 1 month prior to Screening.
  • Medically managed for OTC deficiency and receiving a stable protein-restricted diet, dietary supplements, and/or ammonia scavenger regimen (if applicable) for at least 28 days.
  • Good general health with no clinically significant abnormal findings that would interfere with study procedures (including plasma ammonia within participant's historical range).
  • Must be willing to adhere to contraception guidelines.

Exclusion

  • Uncontrolled hypertension.
  • Symptoms of infection for at least 7 days prior to dosing.
  • Malignancy within 5 years, except for basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated.
  • History of any OTC gene therapy, or history of liver-derived stem cell therapy in the past 2 years.
  • History of any organ transplant.
  • History of severe allergic reaction to a liposomal or PEG-containing product.
  • History of congenital or acquired cardiac disorders.
  • Abuse of medications, illicit drugs or alcohol.
  • Blood donation of 50 to 499 mL within 30 days of screening or of \>499 mL within 60 days of screening.
  • Clinically significant laboratory abnormalities on screening labs including INR \>1.5, eGFR\< 60 mL/min/1.73m2 or positive test results for HIV, HBV, or HCV.
  • Inadequately controlled diabetes.
  • Clinically significant anemia.
  • Changes in maintenance therapies for OTC deficiency with 28 days prior to dosing.
  • Medical history requiring continuous or intermittent systemic corticosteroid administration.
  • Receipt of inhibitors of urea synthesis or drugs that significantly affect renal clearance.
  • Recent treatment with another investigational drug, biological agent, or device.
  • Treatment with any oligonucleotide (siRNA or mRNA) within 6 months prior to screening. COVID-19 vaccines are not exclusionary.
  • Involved in study conduct or an immediate family member of an individual involved in the study.
  • Participated in another dosing cohort of the study.
  • Any other conditions, in the opinion of the investigator, that would interfere with participation.

Key Trial Info

Start Date :

November 4 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2026

Estimated Enrollment :

9 Patients enrolled

Trial Details

Trial ID

NCT06488313

Start Date

November 4 2024

End Date

September 1 2026

Last Update

March 17 2025

Active Locations (1)

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Uncommon Cures

Chevy Chase, Maryland, United States, 20815