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A clinical study of a replication-competent, recombinant herpes simplex virus type 1 (G47delta) in patients with progressive glioblastoma

A clinical study of a replication-competent, recombinant herpes simplex virus type 1 (G47delta) in patients with progressive glioblastoma - A clinical study of G47delta oncolytic virus therapy for progressive glioblastoma

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000002661
Enrollment
21
Registered
2009-10-23
Start date
2009-10-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Recurrent glioblastoma

Interventions

This clinical study is an open-label, single-armed, phase I-II study. Three cohorts of 3 subjects each are planned in a dose escalation phase, and 12 additional subjects will be treated at the highes

Sponsors

(1) The University of Tokyo Hospital (2) The IMSUT Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Histologically confirmed recurrent glioblastoma that is progressive despite previous or ongoing radiation therapy -Enhancing lesion measures 1.0 cm or larger in diameter on contrast-enhanced MRI within 14 days of G47delta administration -Karnofsky Performance Scale(KPS) >= 70% -Age >= 18 years -Steroids regimen stable for at least 1 week prior to G47delta administration -Willing to use effective barrier birth control for at least 6 months after G47delta administration -Expected survival >= 3 months -Ability to give informed consent

Exclusion criteria

Exclusion criteria: -Previous history or current diagnosis of other cancer except curative cervical cancer in-situ or basal or squamous cell carcinoma of the skin -Previous history of encephalitis, multiple sclerosis or other CNS infection -Known HIV seropositivity -History of alcohol or other drug abuse -Any contraindication for undergoing gadolinium contrast enhanced MRI such as: individuals with pacemakers, infusion pumps, or allergy to MRI contrast media -History or current diagnosis of any medical or psychological condition that might interfere with the subject's ability to participate -Documented extracranial metastases -Multiple intracranial malignant glioma lesions -Tumor involvement that would require ventricular, brainstem, or posterior fossa inoculation or access through a ventricle in order to deliver the study drug -Subependymal or subarachnoidal dissemination -Evidence of active herpes infection -Requires antiviral therapy for HSV at baseline -Active uncontrolled infection that precludes surgery -Uncontrolled or severe medical condition such as heart failure, diabetes mellitus, hypertension, interstitial pneumonia, renal failure, and autoimmune disease -Blood test results outside protocol specified limits -Allergy to anti-HSV drug (acyclovir) -Administration of other clinical study drugs within 30 days of G47delta administration -Immunotherapy (e.g., interferon) within 6 weeks of G47delta administration -Any vaccination within 30 days of G47delta administration -Brain tumor resection within 30 days of G47delta administration -Prior gene therapy or oncolytic virus therapy other than G47delta -Prior history of G47delta treatment or registration to G47delta clinical study -Pregnant or nursing females -Conditions considered inadequate for the subject to be enrolled in the study

Design outcomes

Primary

MeasureTime frame
Safety -Spectrum and frequency of adverse events

Secondary

MeasureTime frame
Efficacy -Change in tumor size on MRI -Progression free survival -Overall survival

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026