Actively Recruiting

Phase 1
Phase 2
Age: 18Years +
All Genders
NCT03603405

HSV-tk and XRT and Chemotherapy for Newly Diagnosed GBM

Led by The Methodist Hospital Research Institute · Updated on 2026-03-30

62

Participants Needed

1

Research Sites

461 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Study to assess the safety and efficacy of HSV-tk (gene therapy), valacyclovir, radiotherapy and chemotherapy in newly diagnosed glioblastoma multiforme (GBM) or anaplastic astrocytoma (AA).

CONDITIONS

Official Title

HSV-tk and XRT and Chemotherapy for Newly Diagnosed GBM

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients must have biopsy-proven anaplastic astrocytoma or glioblastoma multiforme without multifocal disease or brainstem involvement
  • Life expectancy of at least 12 weeks
  • Newly diagnosed patients with no prior radiation or chemotherapy
  • ECOG performance status of 0-1
  • No other active cancers except certain skin cancers
  • Patients with leptomeningeal disease may be eligible
  • Signed informed consent obtained
  • Willing to provide biopsies as required
  • Women of childbearing potential (WOCBP) must have a negative pregnancy test within 7 days before treatment and not be breastfeeding
  • WOCBP and men must use effective birth control
  • Adequate organ function with specified lab values
Not Eligible

You will not qualify if you...

  • Prior immunomodulatory therapy, immunotherapy, gene vector therapy, chemotherapy, radiotherapy, or investigational drug within specified recent timeframes
  • Substantial multifocal disease or brainstem involvement
  • Use of immunosuppressive drugs other than steroids for brain edema
  • Active liver disease such as cirrhosis or hepatitis B/C
  • Alcohol misuse or abuse within past 12 months
  • Allergy or hypersensitivity to gene vector or valacyclovir
  • Inability to swallow oral medications
  • Active malignancy other than allowed skin or cervical cancers
  • Active CNS toxoplasmosis or progressive multifocal leukoencephalopathy
  • Active untreated infections or active IV or severe opioid drug abuse
  • Pregnant or breastfeeding women or unwillingness to use birth control
  • Active or uncontrolled infections or immunocompromise, including HIV
  • Age under 18 years
  • Unable or unwilling to follow study protocol

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Houston Methodist Neurological Institute

Houston, Texas, United States, 77030

Actively Recruiting

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Research Team

D

David S. Baskin, MD

CONTACT

H

Helga M. Jones

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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