Gene Therapy for HER-Positive Cancer (SENTRY-HER2)
SENTRY-HER2
A Phase 1/2, First-in-Human Study of VNX-202 Gene Therapy in Patients With HER2-Positive Cancer
1 other identifier
interventional
27
1 country
4
Brief Summary
This is a Phase 1/2, first-in-human, open-label, dose-escalating and expansion trial designed to assess the safety and efficacy of VNX-202 in patients with HER2 positive cancers.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Nov 2025
Longer than P75 for phase_1
4 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
September 17, 2025
CompletedFirst Posted
Study publicly available on registry
September 25, 2025
CompletedStudy Start
First participant enrolled
November 18, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2033
ExpectedStudy Completion
Last participant's last visit for all outcomes
October 1, 2033
April 1, 2026
March 1, 2026
7.8 years
September 17, 2025
March 31, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Treatment emergent adverse events (TEAEs) and treatment emergent serious adverse events (TESAEs)
Change from Baseline to Year 5 post dosing
Secondary Outcomes (4)
Change from baseline in T cell subsets and clonality
Change from baseline to year 5 post dosing
Change from baseline in ctDNA
Change from baseline to year 5 post dosing
Change from baseline in progression free survival
Change from baseline to year 5 post dosing
Change from baseline in overall survival
Change from baseline to year 5 post dosing
Other Outcomes (2)
Change in VNX-202 gene product levels
Change from baseline to year 5 post dosing
Change in VNX-202 vector shedding
Change from baseline to year 5 post dosing
Study Arms (1)
Group 1/Group 2/Group 3/Group 4
EXPERIMENTALInterventions
Adeno-associated viral vector encoding the CD3/HER2 Bi-Specific T-Cell Engager (AAV.CD3/HER2), Single IV Infusion
Adeno-associated viral vector encoding the CD3/HER2 Bi-Specific T-Cell Engager (AAV.CD3/HER2), Single IV Infusion
Adeno-associated viral vector encoding the CD3/HER2 Bi-Specific T-Cell Engager (AAV.CD3/HER2), Single IV Infusion
Adeno-associated viral vector encoding the CD3/HER2 Bi-Specific T-Cell Engager (AAV.CD3/HER2), Single IV Infusion
Eligibility Criteria
You may qualify if:
- Age: ≥18 years of age
- Histologically or cytologically confirmed diagnosis of HER-2 positive solid tumor as defined in the protocol
- Part 1: presence of advanced or metastatic disease that has progressed during or following previous treatment
- Part 2: Early stage HER-2 positive cancers with high risk for relapse following completion of SOC or after neoadjuvant systemic treatment
- AAV specified capsid total antibody ≤1:400
- ECOG performance status of 0 or 1
- Life expectancy ≥3 months
- Protocol-specified ranges for renal, liver, cardiac and pulmonary function
- Protocol-specified ranges for hematology parameters
You may not qualify if:
- Hepatoxicity (AST or ALT \> 2x upper limit of normal)
- Known active CNS or leptomeningeal disease
- History of thrombotic microangiopathy or cardiomyopathy, or evidence of sensory neuropathy
- Pregnant or nursing (lactating) women
- History of other malignancy within 5 years prior to screening as defined in protocol
- History of hypersensitivity to corticosteroids or history of corticosteroid-related toxicity Concurrent anti-cancer treatment in another investigational trial
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
Valkyrie Clinical Trials
Los Angeles, California, 90067, United States
SCRI Denver DDU at HealthOne
Denver, Colorado, 80218, United States
Thomas Jefferson University, Sidney Kimmel Cancer Center
Philadelphia, Pennsylvania, 19107, United States
SCRI Oncology Partners
Nashville, Tennessee, 37203, United States
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 17, 2025
First Posted
September 25, 2025
Study Start
November 18, 2025
Primary Completion (Estimated)
September 1, 2033
Study Completion (Estimated)
October 1, 2033
Last Updated
April 1, 2026
Record last verified: 2026-03
Data Sharing
- IPD Sharing
- Will not share