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BIOMARKER:

MGMT promoter methylation

i
Other names: MGMT, Methylated-DNA--protein-cysteine methyltransferase, 6-O-methylguanine-DNA methyltransferase, O-6-methylguanine-DNA-alkyltransferase
Entrez ID:
Related biomarkers:
3d
Comprehensive analysis of clinical, pathological, and molecular risk factors affecting the prognosis of patients with glioma. (PubMed, Medicine (Baltimore))
These findings emphasize the prognostic relevance of integrating molecular markers with traditional clinical and histopathological variables. This approach may enhance the precision of survival predictions and inform personalized therapeutic strategies in glioma management.
Observational data • Retrospective data • Journal
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2) • MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation
3d
Prognostic Significance of MGMT Promoter Methylation Status in IDH-mutant Glioma. (PubMed, Neuro Oncol)
MGMTp methylation was not associated with a prognostic or predictive value in our IDH-mutant glioma cohort. CDKN2A/B status and extent of resection were strong predictors of outcomes.
Journal
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CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • MGMT (6-O-methylguanine-DNA methyltransferase) • CDKN2B (Cyclin Dependent Kinase Inhibitor 2B)
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CDKN2A deletion • MGMT promoter methylation
5d
Quantitative susceptibility mapping for the comprehensive assessment of adult-type diffuse gliomas. (PubMed, Eur J Radiol)
Noninvasive imaging parameters extracted from QSM images can reflect glioma WHO grade, molecular markers, prognosis, and recurrence risk. These preliminary findings showed that the QSM might be a noninvasive imaging biomarker for comprehensive evaluation of adult-type diffuse gliomas.
Journal
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MGMT (6-O-methylguanine-DNA methyltransferase) • TERT (Telomerase Reverse Transcriptase)
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MGMT promoter methylation
8d
Enrollment change
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2) • MGMT (6-O-methylguanine-DNA methyltransferase)
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IDH2 mutation • MGMT promoter methylation • IDH wild-type
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Zynyz (retifanlimab-dlwr) • neoantigen DNA vaccine
18d
Predicting short-term recurrence and identifying key risk factors in elderly glioma patients: Insights from a retrospective cohort study. (PubMed, Clin Neurol Neurosurg)
Both pre- and postoperative models successfully predict short-term recurrence in elderly glioma patients. Key clinical risk factors, such as tumors infiltrating the corpus callosum and various tumor-related symptoms were identified. Additionally, certain common postoperative physical and psychological symptom changes in the MDASI-BT may be predictive markers for long-term relapse. A crucial finding is that the factors associated with recurrence are distinct across molecular subtypes, underscoring the need for subtype-specific risk management.
Retrospective data • Journal
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TP53 (Tumor protein P53) • MGMT (6-O-methylguanine-DNA methyltransferase)
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TP53 mutation • MGMT promoter methylation • IDH wild-type
20d
Optimal qMSP cutoff value for MGMT promoter methylation in glioblastoma and its validation for clinical significance. (PubMed, BMC Cancer)
The identified qMSP cut-off value (0.242) based on the procedure described in this study provides a robust prognostic stratification tool for GBM patients. High MGMT methylation correlates with improved survival, supporting its integration into clinical decision-making. Further multi-center validation studies are warranted to establish standardized MGMT assessment methodologies.
Retrospective data • Journal
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MGMT (6-O-methylguanine-DNA methyltransferase) • TERT (Telomerase Reverse Transcriptase)
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MGMT promoter methylation • IDH wild-type
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temozolomide
20d
Intra-tumoural manganese is associated with radioresistance and overall survival in glioblastoma. (PubMed, J Clin Neurosci)
Future directions include a larger GBM Study allowing multivariable analysis, and other solid, potentially curable, cancer studies, where we envisage providing a Mn threshold to aid clinicians' decision making.
Journal
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MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation
23d
Integrating Deep Learning and Radiogenomics: A Novel Approach to Glioblastoma Segmentation and MGMT Methylation Prediction. (PubMed, J Imaging)
The accurate prediction of MGMT promoter methylation status via non-invasive imaging provides a reliable criterion for anticipating patient responsiveness to alkylating chemotherapy. This capability equips clinicians with a tool to inform personalized treatment strategies, optimizing therapeutic efficacy from the outset.
Journal
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MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation
23d
Federated radiomics analysis of preoperative MRI across institutions: toward integrated glioma segmentation and molecular subtyping. (PubMed, Front Radiol)
Our federated multi-task deep learning model demonstrates the feasibility and effectiveness of predicting glioma molecular characteristics and grade from multi-parametric MRI, without compromising patient privacy. These findings suggest significant potential for clinical deployment, especially in scenarios where invasive tissue sampling is impractical or risky.
Journal
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MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation
24d
Proton Pump Inhibitor Use and Survival in Patients With Newly Diagnosed Glioblastoma. (PubMed, JAMA Netw Open)
We assessed drug use at baseline and defined 3 landmarks: start of temozolomide maintenance cycles 1 (landmark 1) and 4 (landmark 2), and end of cycle 6 (landmark 3)...Translational research studies should explore whether PPI-induced activity of ALDH mediates the potential adverse effects of PPI in glioblastoma. .
Clinical • Journal
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MGMT (6-O-methylguanine-DNA methyltransferase) • ALDH1A1 (Aldehyde Dehydrogenase 1 Family Member A1)
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MGMT promoter methylation
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temozolomide
28d
CLINGLIO: LAM561 With RT and TMZ for Adults With Glioblastoma (clinicaltrials.gov)
P2/3, N=144, Active, not recruiting, Laminar Pharmaceuticals | Trial completion date: May 2025 --> Nov 2026 | Trial primary completion date: Oct 2024 --> Jan 2026
Trial completion date • Trial primary completion date
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IDH1 (Isocitrate dehydrogenase (NADP(+)) 1) • MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation • IDH wild-type
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temozolomide • Minerval (idroxioleic acid)
28d
Trial suspension
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MGMT (6-O-methylguanine-DNA methyltransferase)
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MGMT promoter methylation • IDH wild-type
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Avastin (bevacizumab) • cyclophosphamide • fludarabine IV