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Clinical Trial Summary

The goal of this clinical trial is to learn about the safety and feasibility of administering repeated doses of neural stem cell (NSC)-conditionally replicative adenovirus (CRAd)-survivin (S)-protomer (p)k7, in persons with newly diagnosed high grade glioma. The main questions it aims to answer are: - whether multiple doses of NSC-CRAd-S-pk7 are safe and feasible - how multiple doses of NSC-CRAd-S-pk7 influence tumor response, overall survival, time to tumor progression, and quality of life. Participants will: - undergo a biopsy to confirm high grade glioma, then receive the first dose of NSC-CRAd-S-pk7 into the brain - about 2 weeks later, undergo surgery to remove the tumor and receive the second dose of NSC-CRAd-S-pk7 into the brain - start chemoradiation about 2 weeks after surgery, then about 2 weeks later, receive the 3rd dose of NSC-CRAd-S-pk7 into the brain - four weeks later, at the end of chemoradiation, receive a fourth dose of NSC-CRAd-S-pk7 into the brain. - after radiation is finished, receive standard of care chemotherapy and tumor-treating fields. Two additional doses of NSC-CRAd-S-pk7 will be given every 4 weeks. Every other patient enrolled will receive N-acetylcysteine amide (NACA), from registration until the day prior to surgery and the second dose of NSC-CRAd-S-pk7.


Clinical Trial Description

The treatment regimen contains 3 phases: Surgical phase: Patients undergo a biopsy and upon intraoperative confirmation of high grade glioma, NSC-CRAd-S-pk7 dose #1 will be injected into the biopsy site. Patients will undergo resection of the tumor 14 (+/- 3) days later, administration of second dose of the investigational product (NSC-CRAd-S-pk7 dose #2), and implantation of the catheter system. The investigational product will then be given monthly for a total of 6 doses (see below). Every other patient enrolled (beginning with the first patient) will also undergo oral administration of NACA (an over-the-counter drug that acts as a free radical scavenger and improves NSC viability) starting at registration until the day prior to surgical tumor resection and planned investigational product injection #2. Radiotherapy phase: After recovery from surgery (usually within 2 weeks), standard chemoradiotherapy will be initiated consisting of daily radiotherapy (2 Gy per fraction x 30 fractions) and concomitant temozolomide (TMZ) chemotherapy (75 mg/m2 daily from day 1 of RT until last day of RT). About 10-14 days into radiotherapy (= approx. 4 weeks after intraoperative dose #2), patients will be receiving NSC-CRAd-S-pk7 dose #3 through the previously implanted catheter system. This also marks the beginning of the formal dose-limiting toxicity (DLT) period, as this virus' survivin gene promoter is activated by the concomitant irradiation. Four weeks later, ie. at the end of radiotherapy dose #4 is administered as previously, provided no DLT toxicity has been observed and viral treatment related toxicities have returned to grade ≤ 2. Adjuvant (also called maintenance) phase: As per standard of care, approx. 4 weeks after end of radiotherapy, patients will start maintenance TMZ chemotherapy (150 - 200 mg/m2, daily x 5 every 28 days) and loco-regional treatment with alternating Tumor Treating Fields (TTFields, Optune®). NSC-CRAd-S-pk7 doses #5 and #6 will be administered concurrently (± 3 days) with adjuvant cycle 1 and 2 of TMZ. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06169280
Study type Interventional
Source Northwestern University
Contact Christina Amidei, PhD
Phone (312) 695-9124
Email christina.amidei@nm.org
Status Not yet recruiting
Phase Phase 1
Start date June 1, 2024
Completion date December 31, 2030

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