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Phase 2a Study of CAN-2409 With Standard Radiation Therapy for Malignant Glioma

NCT00589875 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 52

Last updated 2024-04-03

Study results available
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Summary

The purpose of this study was to evaluate the safety and potential efficacy of CAN-2409 (also known / previously described as AdV-tk, GMCI) for malignant gliomas. The approach used an adenoviral vector (disabled virus) engineered to express the Herpes thymidine kinase gene (aglatimagene besadenovec, CAN-2409), followed by an antiherpetic prodrug, valacyclovir. CAN-2409 was injected into the resection bed after standard tumor surgery and valacyclovir pills were taken for 14 days. Standard radiation and chemotherapy were administered which have been shown to work cooperatively with CAN-2409 + prodrug to kill tumor cells. The hypothesis is that this combination therapy can be safely delivered and will lead to improvement in the clinical outcome for patients with newly diagnosed malignant gliomas, including glioblastoma multiforme (WHO grade IV) and anaplastic astrocytomas (WHO grade III).

Conditions

Interventions

BIOLOGICAL

CAN-2409

Single dose of 3x10e11 vector particles of CAN-2409 delivered to the tumor bed after resection on day 0.

DRUG

Valacyclovir

Single course of valacyclovir at dose of 2 grams orally three times per day for 14 days starting on day 1-3

DRUG

Temozolomide

Concomitant TMZ will be administered orally once a day at a dose of 75 mg/m2 starting the next day after completing prodrug and continued for 6 weeks. Adjuvant TMZ will be administered days 1 to 5 of a 28-day cycle for 6 cycles with 150 mg/m2 administered for cycle 1, and 150 to 200 mg/m2 administered for cycles 2 to 6. Adjuvant treatment will start 1 month following completing RT.

RADIATION

Radiation therapy

Radiation will be administered to up-front patients as per standard of care for the patient. It will start 3-7 days after CAN-2409 injection, preferably closer to 3 days. It will consist of standard external field radiation, limited to the area of tumor and brain adjacent to tumor, fractionated at doses of 200cGy per day for approximately 6 weeks to a total of 5500-6000 cGy.

Sponsors & Collaborators

  • Candel Therapeutics, Inc.

    lead INDUSTRY

Principal Investigators

  • E. Antonio Chiocca, MD, PhD · Ohio State University

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2007-03-31
Primary Completion
2015-12-31
Completion
2016-08-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00589875 on ClinicalTrials.gov