Title
A Study of a Retroviral Replicating Vector Combined With a Prodrug Administered to Patients With Recurrent Malignant Glioma
A Phase 1 Ascending Dose Trial of the Safety and Tolerability of Toca 511 in Patients With Recurrent High Grade Glioma
Phase
Phase 1Lead Sponsor
Tocagen Inc.Study Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Glioblastoma Anaplastic Oligodendroglioma Anaplastic Oligoastrocytoma ...Intervention/Treatment
flucytosine vocimagene amiretrorepvec ...Study Participants
54This is a multicenter, open-label, ascending-dose trial of the safety and tolerability of increasing doses of Toca 511, a Retroviral Replicating Vector (RRV), administered to patients with recurrent high grade glioma (rHGG) who have undergone surgery followed by adjuvant radiation therapy and chemotherapy. Patients will receive Toca 511 either via stereotactic, transcranial injection into their tumor or as an intravenous injection given daily for 3 & 5 days, depending on cohort. Approximately 3-4 weeks following injection of the RRV, treatment with Toca FC, an antifungal agent, will commence and will be repeated approximately every 6 weeks until study completion. After completion of this study, all patients will be eligible for enrollment and encouraged to enter a long-term continuation protocol that enables additional Toca FC treatment cycles to be given, as well as permits the collection of long-term safety and survival data.
Single, stereotactic, transcranial, intratumoral injection or intravenous injection
4-6 week cycles of Toca FC. Doses evaluated from 120 mg/kg/day or 300 mg/kg/day. Duration of dosing evaluated: 6 days, 7 days or 14 days.
Inclusion Criteria: at least 18 years of age for intratumoral cohorts, supratentorial HGG (WHO grade III or IV) technically unresectable HGG initial definitive therapy such as surgery with or without adjuvant radiation subject elected not to undergo treatment with Gliadel wafer if receiving corticosteroids, dose is stable or decreasing for past 7 days KPS: at least 70 absolute neutrophil count > 1500/mm^3 absolute lymphocyte count > 500/mm^3 platelet count > 100,000/mm^3 hemoglobin > 10 g/dL for intratumoral cohort, coagulation profile favorable to surgery estimated glomerular filtration rate > 50 mL/min ALT < 3 times ULN and bilirubin < 1.5 mg/dL negative serum pregnancy test Exclusion Criteria: cytotoxic therapy within the past 4 weeks (6 weeks for BCNU/CCNU) more than 2 recurrences including present recurrence Gliadel wafer or wafers implanted within the past 8 weeks taking more than 8 mg of dexamethasone per day for intratumoral cohorts, injection of tumor would require violation of ventricular system any infection requiring antibiotic, anticoagulant, or antiplatelet agents within the past 4 weeks for intratumoral cohort, bleeding diathesis or use of anticoagulants/antiplatelet agents that cannot be stopped allergy or intolerance to 5-FC HIV positive g.i. condition that would prevent ingestion or absorption of 5-FC any investigational treatment within the past 30 days pregnant or breast feeding received Avastin history of prior malignancy, excluding basal or squamous cell carcinoma of the skin, with an expected survival of less than 5 years.