Clinical trial Recruiting at 7 sites Phase 1 Interventional Ages 18 and up

Treatment of advanced solid tumors with VET3-TGI immunotherapy

Official title: A Phase 1/1b Study of VET3-TGI Administered Alone and in Combination With Atezolizumab in Patients With Advanced Solid Tumors

Run by KaliVir Immunotherapeutics · NCT06444815 · Data updated 2026-11-12

This study is testing a new cancer treatment called VET3-TGI to see if it can safely target and kill cancer cells in patients with advanced solid tumors, either by injecting it directly into the tumors or giving it through an IV.

More Solid Tumor, Adult trials

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment60 (estimated)
SponsorKaliVir Immunotherapeutics
Industry-sponsored
Drugs / interventionspembrolizumab, chemotherapy, immunotherapy, atezolizumab
Locations7 sites (Los Angeles, California and 6 other locations)
StatusRecruiting
StartedSeptember 16, 2024
Main results expectedSeptember 30, 2027
Study endsDecember 31, 2027
Registry record updatedApril 7, 2026
Trial IDNCT06444815 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults with advanced, unresectable, or metastatic solid tumors who have failed or are intolerant to standard treatments.

Probably not a fit

Patients with early-stage tumors or those who have not yet undergone standard treatment options may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates VET3-TGI, an oncolytic immunotherapy designed to target and kill cancer cells while sparing healthy cells. The study is a Phase 1 dose escalation trial that will assess the safety and efficacy of VET3-TGI administered either through direct injection into tumors or intravenously, both alone and in combination with pembrolizumab. The trial will involve multiple groups to determine the highest tolerated doses of VET3-TGI and will expand to include additional patients for efficacy evaluation once these doses are established.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced solid tumors who have limited treatment alternatives.

How similar studies have gone: While this approach is novel in its specific application, similar oncolytic immunotherapies have shown promise in other studies.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

* Have pathologically confirmed, advanced, unresectable, or metastatic solid tumors. Preferred indications include, but are not limited to, breast carcinoma, bladder carcinoma, cervical squamous carcinoma, colorectal carcinoma, esophageal carcinoma, head and neck squamous carcinoma, renal cell carcinoma, ovarian carcinoma, sarcoma, thymoma, and uterine carcinoma.
* Failed, intolerant to, or refused potentially curative treatment options, including but not limited to, standard of care molecularly targeted agents, immunotherapy (e.g., anti -pembrolizumab/PDL1 antibodies), and chemotherapy
* Measurable disease as per RECIST 1.1 criteria
* At least one tumor amenable to safe ITu injections and/or biopsies
* ECOG performance status 0 or 1
* Demonstrate adequate organ function
* Must be willing to comply with all protocol procedures and adhere to post-treatment care instructions

Additional Inclusion criteria exist

Key Exclusion Criteria:

* Prior systemic therapy washout (dependent upon the therapy)
* Requires use of anti-platelet or anti-coagulant therapy that cannot be safely suspended for per protocol biopsies or intra-tumoral injections.
* CNS metastases and/or carcinomatous meningitis that have not been completely resected or completely irradiated.
* Prior history of myocarditis
* Known HIV/AIDS, active HBV or HCV infection.
* Receiving high dose immunosuppressive medication or has a significant immunodeficiency (e.g. transplant recipient, etc).

Additional Exclusion criteria exist

Where it's running

  • USC/Norris Comprehensive Cancer Center
    Los Angeles, California, United States
    Recruiting
  • UC Irvine Health
    Orange, California, United States
    Recruiting
  • University of Miami
    Miami, Florida, United States
    Recruiting
  • Community Health Network
    Indianapolis, Indiana, United States
    Recruiting
  • UPMC- Hillman Cancer Center
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Mary Crowley Cancer Research
    Dallas, Texas, United States
    Recruiting
Show 1 more location
  • University of Texas MD Anderson Cancer Center
    Houston, Texas, United States
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.