Open-label, Dose Escalation Study of Safety and Preliminary Efficacy of TN-401 in Adults With PKP2 Mutation-associated ARVC
RIDGE-1
First-in-Human, Open-Label, Safety, Tolerability, Dose-Finding, Pharmacodynamic and Cardiac Transgene Expression Study of TN-401, a Recombinant Adeno-associated Virus Serotype 9 (AAV9) Containing Plakophilin-2 (PKP2) Transgene, in Adults With PKP2 Mutation-Associated Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)
1 other identifier
interventional
15
1 country
7
Brief Summary
This first-in-human study is designed to evaluate the safety, and preliminary efficacy (PD) of TN-401 gene therapy in adult patients with symptomatic PKP2 mutation-associated ARVC.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Mar 2024
Longer than P75 for phase_1
7 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 18, 2024
CompletedFirst Posted
Study publicly available on registry
January 29, 2024
CompletedStudy Start
First participant enrolled
March 26, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2029
ExpectedFebruary 6, 2025
September 1, 2024
2.1 years
January 18, 2024
February 5, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Number and severity of Adverse Events over the course of the study.
52 weeks
Number of Serious Adverse Events related to study drug.
5 years
Secondary Outcomes (3)
To assess changes in daily PVC and NSVT counts
Week 52
To assess frequency of ICD therapy administration
Week 52
To assess frequency of sustained VT
Week 52
Study Arms (2)
Cohort 1
EXPERIMENTALDose for Cohort 1 will be 3E13 vg/kg
Cohort 2
EXPERIMENTALDose for Cohort 2 will be 6E13 vg/kg
Interventions
TN-401 is a recombinant adeno-associated virus serotype 9 (AAV9) gene therapy containing Plakophilin-2 (PKP2) transgene. It is a single (one-time) intravenous dose.
Eligibility Criteria
You may qualify if:
- PKP2 mutation (pathogenic or likely pathogenic)
- Arrhythmogenic Right Ventricular Cardiomyopathy as defined by the 2010 revised Task Force Criteria
- Left Ventricular Ejection Fraction ≥50%
- Functioning Implantable Cardiac Defibrillator with remote integration capabilities at least 9 months prior to Screening
- NYHA Functional Class I, II, or III
- Frequent premature ventricular contractions (PVCs)
You may not qualify if:
- Ventricular tachycardia (VT) ablation within 6 months of Screening or planned VT ablation within 6 months after Screening
- High AAV9 neutralizing antibody titer
- Prior myocardial infarction
- Right Ventricular Heart Failure
- Class IV Heart Failure
- Clinically significant renal disease
- Clinically significant liver disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (7)
University of California San Francisco
San Francisco, California, 94143, United States
University of Colorado - Anschutz Medical Campus
Aurora, Colorado, 80045, United States
Johns Hopkins University
Baltimore, Maryland, 21287, United States
Brigham and Women's Hospital
Boston, Massachusetts, 02115, United States
Mayo Clinic
Rochester, Minnesota, 55905, United States
NYU Langone Health
New York, New York, 10016, United States
Cleveland Clinic
Cleveland, Ohio, 44195, United States
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 18, 2024
First Posted
January 29, 2024
Study Start
March 26, 2024
Primary Completion
May 1, 2026
Study Completion (Estimated)
October 1, 2029
Last Updated
February 6, 2025
Record last verified: 2024-09
Data Sharing
- IPD Sharing
- Will not share