Modified herpes virus designed to kill glioblastoma and boost the immune system

Project 1: Treatment of GBM using an oncolytic HSV engineered to improve immunogenic tumor destruction

['FUNDING_P01'] · BRIGHAM AND WOMEN'S HOSPITAL · NIH-11181510

This project tests a genetically modified herpes simplex virus meant to infect and destroy glioblastoma tumors while awakening the immune system to fight the cancer in people with GBM.

Quick facts

Phase['FUNDING_P01']
Study typeNih_funding
SexAll
SponsorBRIGHAM AND WOMEN'S HOSPITAL (nih funded)
Locations1 site (BOSTON, UNITED STATES)
Trial IDNIH-11181510 on ClinicalTrials.gov

What this research studies

This work uses an engineered oncolytic herpes simplex virus (oHSV) that can enter glioblastoma cells, cause tumor cell death, and promote immune recognition of tumor antigens. The team is improving an existing oHSV backbone (rQNestin34.5) that has been used in early human testing and shown intratumoral viral antigen presence. Experiments combine patient-derived tumor models and mouse models to overcome immune suppression in the tumor microenvironment driven by TIGIT, PD‑1, and adenosine-producing enzymes. Findings will guide how the virus might be given safely and effectively in future clinical trials for people with GBM.

Who could benefit from this research

Good fit: Ideal candidates would be people diagnosed with glioblastoma, especially those with tumors accessible for intratumoral delivery or with recurrent disease that may be treated experimentally.

Not a fit: Patients with non‑GBM brain tumors, those who cannot undergo intratumoral injections, or those with severe immune suppression are unlikely to benefit from this approach.

Why it matters

Potential benefit: If successful, the approach could directly shrink tumors and help the immune system control or eliminate glioblastoma.

How similar studies have performed: Related oncolytic HSV approaches, including an earlier version of this virus, have shown safety and intratumoral viral activity in early human trials, but definitive clinical benefit in GBM has not yet been established.

Where this research is happening

BOSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Conditions: Brain Cancer

Last reviewed 2026-05-15 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.