A Phase 1 interventional study of PAC-1 Compound in Glioblastoma Multiforme and Anaplastic Astrocytoma, sponsored by Vanquish Oncology, Inc.. Terminated at 3 sites in United States. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2023-05-24.
Sponsored by Vanquish Oncology, Inc. · Phase 1, Interventional, and Treatment
The primary objectives of this study are to determine the maximal tolerated dose (MTD) of PAC-1 in combination with temozolomide in patients with high grade glioma: glioblastoma multiforme (GBM) or anaplastic astrocytoma after progression following standard first line therapy (Component 2), by evaluation of toxicity and tolerability.
PAC-1 in combination with temozolomide (Component 2): after the MTD is established for single agent PAC-1 in Component 1, a modified-Fibonacci dose-escalation 3+3 design starts in Component 2, at a PAC-1 dose one level lower than the MTD of PAC-1 established in the single agent PAC-1 component (i.e., Component 1) and 150 mg/m2 dose of temozolomide given for the 5 days starting at day 8 of cycle 1 in cohorts of 3-6 patients. The combination cohort that reaches MTD will expanded to at least 9 patients, similar to the PAC-1 alone cohort at MTD. For all dose cohorts, pharmacokinetics of PAC-1 will be assessed following doses administered on days 1 and 11 of the first cycle. Temozolomide pharmacokinetics will be performed on Day 11 of the first cycle.
Exclusion Criteria:
Temozolomide (PO) will be dosed at 150 mg (adjusted for body size area \[m2\]) daily for 5 days starting on day 8 at cycle 1, and then for each successive cycle. In Component 2, the first PAC-1 dose will be 1 dose level lower than the PAC-1 MTD established in Component 1, and the maximum dose will not exceed 450 mg. PAC-1 will be taken in the morning on days 1-21 in each 28-day cycle.
Drug: PAC-1 Compound
PAC-1 in combination with temozolomide (Component 2): after the MTD is established for single agent PAC-1 in Component 1, a modified-Fibonacci dose-escalation 3+3 design starts in Component 2, at a PAC-1 dose one level lower than the MTD of PAC-1 established in the single agent PAC-1 component (i.e., Component 1). PAC-1 will be taken in the morning on days 1-21 in each 28 day cycle. Temozolomide 150 mg/m2 dose is given for the 5 days starting at day 8 of cycle 1 in cohorts of 3-6 patients. The combination cohort that reaches MTD will expanded to at least 9 patients, similar to the PAC-1 alone cohort at MTD.
Also known as: Temozolamide
Maximum Tolerated Dose (MTD)
MTD, defined as the highest tolerated dose of PAC-1 tested in combination with temozolomide in patients with high grade glioma.
Time frame: During treatment cycle 1 (first 28 days)
Adverse Effects
Toxicity will be graded using the Common Terminology Criteria for Adverse Events version 4 (CTCAE v4)
Time frame: Up to 30 days post final dose
Disease Response
Disease response will be assessed by RANO criteria.
Time frame: Through study completion, an average of one year
Plan to share: No
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This study is terminated, as verified in Jun 2022. You cannot join it, but the record below documents what was studied.
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Vanquish Oncology, Inc.