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Spots Global Cancer Trial Database for Efficacy and Safety of TMZ Plus 6-MP in the Patients With Recurrent Glioblastoma

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Trial Identification

Brief Title: Efficacy and Safety of TMZ Plus 6-MP in the Patients With Recurrent Glioblastoma

Official Title: Efficacy and Safety of TMZ Plus 6-MP in the Patients With Recurrent Glioblastoma

Study ID: NCT06279767

Interventions

6-mercaptopurine

Study Description

Brief Summary: Glioblastoma, the most prevalent malignant tumor in the central nervous system, is characterized by high invasiveness and a propensity to recur, contributing to a relatively elevated mortality rate. Patients diagnosed with high-grade glioblastomas typically experience a median survival period of less than 14 months. Presently, the standard treatment for glioblastoma involves surgical resection combined with postoperative radiotherapy and chemotherapy, with postoperative chemotherapy playing a pivotal role in enhancing patient prognosis. Temozolomide (TMZ), a cutting-edge oral alkylating agent known for its advantageous properties, including easy traversal of the blood-brain barrier, induces DNA alkylation in tumor cells, fostering apoptosis. Currently, it serves as a frontline medication for postoperative chemotherapy in glioblastoma. However, clinical resistance to TMZ chemotherapy significantly hampers its efficacy in later stages. We have recently discovered and validated that 5-aminoimidazole-4-carboxamide (AICA), derived from TMZ, can transform into 5-aminoimidazole-4-carboxamide ribonucleotide-5-phosphate (AICAR) in GBM cells. Hypoxanthine phosphoribosyltransferase 1 (HPRT1) has been identified as the catalyst for the AICA reaction, generating AICAR. AICAR acts as an endogenous activator of AMP-activated protein kinase (AMPK), fostering chemoresistance in glioblastoma through the activation of the AMPK signaling pathway. 6-mercaptopurine (6-MP) competes effectively to inhibit HPRT1 activity, thereby impeding TMZ-induced AMPK activation and significantly heightening glioblastoma cell sensitivity to TMZ. In this project, we propose an innovative strategy involving the combination of 6-MP with TMZ for the treatment of glioblastoma.

Detailed Description:

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Department of Neurosurgery of The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Contact Details

Name: Yongping You, PhD

Affiliation: The First Affiliated Hospital with Nanjing Medical University

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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