Status:

COMPLETED

Phase 1b Study to Assess Safety, Tolerability, and Pharmacokinetics of ARCT-810 in Stable Adult Subjects With Ornithine Transcarbamylase Deficiency

Lead Sponsor:

Arcturus Therapeutics, Inc.

Conditions:

Ornithine Transcarbamylase Deficiency

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

Determine the safety, tolerability and pharmacokinetics of single doses of ARCT-810 in clinically stable patients (stable on standard of care treatment, e.g. diet ± ammonia scavengers) with ornithine ...

Detailed Description

This is a single ascending dose study of ARCT-810 in which approximately 12 (up to a maximum of 20) clinically stable patients with ornithine transcarbamylase deficiency (OTCD) are planned to be enrol...

Eligibility Criteria

Inclusion

  • Adequate cognitive ability to consent and recall symptoms over a 1-week time period
  • Males and females ≥18 years of age with documented diagnosis of ornithine transcarbamylase deficiency (OTCD) confirmed with genetic testing, or willing to consent to OTC gene sequencing and deletion/duplication testing
  • Subject's ornithine transcarbamylase deficiency (OTCD) is stable as evidenced by
  • no clinical symptoms of hyperammonemia AND
  • an ammonia level \<100 µmol/L (170 µg/dL) at the screening evaluation
  • Subjects must remain free from symptoms of hyperammonemia throughout the screening period.
  • If using nitrogen ammonia scavenger therapy, must be on a stable regimen (no change in dose or frequency) for ≥ 28 days prior to providing informed consent and throughout the screening period
  • Must have maintained a stable protein-restricted diet (+/- amino acid supplementation) for at least 28 days prior to providing informed consent and continue to maintain a stable diet for the duration of the study
  • Good general health other than OTCD, in the opinion of the Investigator
  • Willing to refrain from strenuous exercise/activity and alcohol for 72 hours before study visits
  • Willingness to comply with procedures and visits
  • Willingness to follow contraception guidelines

Exclusion

  • History of clinically significant disease(s), in the opinion of the Investigator
  • Clinically significant screening laboratory values
  • Uncontrolled diabetes
  • Clinically significant anemia
  • Subjects who develop infection during screening must be asymptomatic for at least 7 days prior to dosing
  • Unwillingness to comply with study requirements
  • History of positive HIV, hepatitis C, or chronic hepatitis B
  • Uncontrolled hypertension
  • Malignancy within 5 years prior to study
  • Treatment with another investigational drug, biological agent, or device within 30 days of screening, or 5 half-lives of investigational drug
  • Treatment with any oligonucleotide or mRNA within 6 months of screening, with exceptions for some vaccinations and investigational treatments
  • History of gene therapy, hepatocyte or mesenchymal stem cell transplantation
  • Prior organ transplant
  • History of severe allergic reaction to a liposomal product
  • Recent history of, or current, drug or alcohol abuse
  • Dependence on inhaled (smoked or vaped) or oral cannabis products
  • Systemic corticosteroids within 6 weeks prior to screening
  • Blood donation of 50 to 499 mL within 30 days of screening or of .499 mL within 60 days of screening
  • Other conditions, in the opinion of the Investigator, that would make the subject unsuitable for participation

Key Trial Info

Start Date :

November 3 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 30 2024

Estimated Enrollment :

16 Patients enrolled

Trial Details

Trial ID

NCT04442347

Start Date

November 3 2020

End Date

April 30 2024

Last Update

August 2 2024

Active Locations (8)

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Page 1 of 2 (8 locations)

1

University of Florida

Gainesville, Florida, United States, 32608

2

M Health Fairview Masonic Children's Hospital

Minneapolis, Minnesota, United States, 55454

3

The Mount Sinai Hospital

New York, New York, United States, 10029

4

Children's Hospital of Pittsburgh

Pittsburgh, Pennsylvania, United States, 15224