Temozolomide

Generic Name
Temozolomide
Brand Names
Temodar, Temomedac, Temodal, Temozolomide Sun, Temozolomide Accord, Temozolomide Teva
Drug Type
Small Molecule
Chemical Formula
C6H6N6O2
CAS Number
85622-93-1
Unique Ingredient Identifier
YF1K15M17Y
Background

Refractory anaplastic astrocytoma (WHO grade III) and Glioblastoma multiforme (WHO grade IV) are primary malignant brain tumours with poor prognosis and limited treatment options. Despite considerable genetic heterogeneity, these tumours often have impaired DNA repair systems, rendering them initially sensitive to alkylating agents, although they invariably develop resistance to these agents over time. Temozolomide is an imidazotetrazine prodrug that is stable at acidic pH but undergoes spontaneous nonenzymatic hydrolysis at neutral or slightly basic pH; these properties allow for both oral and intravenous administration. Following initial hydrolysis, further reactions liberate a highly reactive methyl diazonium cation capable of methylating various residues on adenosine and guanine bases leading to DNA lesions and eventual apoptosis. Temozomolide as an adjunct to radiotherapy followed by maintenance dosing remains the standard of care for both Glioblastoma and refractory anaplastic astrocytoma.

Temozolomide was granted FDA approval on August 11, 1999, as an oral capsule and subsequently on February 27, 2009, as an intravenous injection. It is currently marketed under the trademark TEMODAR® by Merck.

Indication

Temozolomide is indicated in adult patients for the treatment of newly diagnosed glioblastoma concomitantly with radiotherapy and for use as maintenance treatment thereafter. It is also indicated for the treatment of refractory anaplastic astrocytoma in adult patients or adjuvant therapy for adults with newly diagnosed anaplastic astrocytoma.

Associated Conditions
Advanced Melanoma, High Grade Glioma: Glioblastoma (GBM), Primary Central Nervous System Lymphoma, Refractory Ewing Sarcoma, Refractory Neuroblastoma, Soft Tissue Sarcoma, Advanced Neuroendocrine tumor, Newly diagnosed Anaplastic Astrocytoma (AA), Refractory Anaplastic astrocytoma, Refractory, advanced Mycosis fungoides, Refractory, advanced Sezary Syndrome
Associated Therapies
-

Activity Study of Bevacizumab With Temozolomide ± Irinotecan for Neuroblastoma in Children

First Posted Date
2014-12-04
Last Posted Date
2024-05-14
Lead Sponsor
University of Birmingham
Target Recruit Count
225
Registration Number
NCT02308527
Locations
🇦🇹

St Anna Children's Hospital and CCRI/Studies and Statistics, Vienna, Austria

🇩🇰

University Hospital Rigshospitalet, Copenhagen, Denmark

🇮🇹

Ospedale Pediatrico Bambino Gseu, Rome, Italy

and more 7 locations

Personalized NeoAntigen Cancer Vaccine w RT Plus Pembrolizumab for Patients With Newly Diagnosed GBM

First Posted Date
2014-11-10
Last Posted Date
2024-12-05
Lead Sponsor
Dana-Farber Cancer Institute
Target Recruit Count
56
Registration Number
NCT02287428
Locations
🇺🇸

Massachusetts General Hospital, Boston, Massachusetts, United States

🇺🇸

Dana Farber Cancer Institute, Boston, Massachusetts, United States

Efficacy and Tolerability of Cisplatin Plus Alternating Weekly Temozolomide in Recurrent High-grade Gliomas

Phase 2
Completed
Conditions
Interventions
First Posted Date
2014-10-13
Last Posted Date
2018-07-17
Lead Sponsor
Huashan Hospital
Target Recruit Count
67
Registration Number
NCT02263105
Locations
🇨🇳

Huashan Hospital, Shanghai, Shanghai, China

Tipifarnib, Radiation Therapy, and Temozolomide in Treating Patients With Newly Diagnosed Glioblastoma Multiforme

First Posted Date
2014-08-28
Last Posted Date
2014-12-23
Lead Sponsor
National Cancer Institute (NCI)
Target Recruit Count
19
Registration Number
NCT02227901
Locations
🇺🇸

Ronald Reagan UCLA Medical Center, Los Angeles, California, United States

Temozolomide 12 Cycles Versus 6 Cycles of Standard First-line Treatment in Patients With Glioblastoma.

Phase 2
Completed
Conditions
Interventions
First Posted Date
2014-08-06
Last Posted Date
2021-01-12
Lead Sponsor
Grupo Español de Investigación en Neurooncología
Target Recruit Count
166
Registration Number
NCT02209948
Locations
🇪🇸

Consorcio Hospitalario Provincial de Castellón, Castelló, Valencia, Spain

🇪🇸

Hospital Universitari Germans Trias i Pujol/ICO Badalona, Badalona, Barcelona, Spain

🇪🇸

Institut Català d'Oncologia L'Hospitalet, L'Hospitalet de Llobregat, Barcelona, Spain

and more 17 locations

A Prospective Cohort to Study the Effect of Temozolomide on IDH Mutational Low Grade Gliomas

First Posted Date
2014-08-05
Last Posted Date
2019-02-21
Lead Sponsor
Huashan Hospital
Target Recruit Count
54
Registration Number
NCT02209428
Locations
🇨🇳

Huashan Hospital Affiliated to Fudan University, Shanghai, Shanghai, China

IDH1 Peptide Vaccine for Recurrent Grade II Glioma

First Posted Date
2014-07-17
Last Posted Date
2023-12-01
Lead Sponsor
Katy Peters, MD, PhD
Target Recruit Count
24
Registration Number
NCT02193347
Locations
🇺🇸

Duke University Medical Center, Durham, North Carolina, United States

Dose-Escalated Photon IMRT or Proton Beam Radiation Therapy Versus Standard-Dose Radiation Therapy and Temozolomide in Treating Patients With Newly Diagnosed Glioblastoma

First Posted Date
2014-07-01
Last Posted Date
2024-11-29
Lead Sponsor
NRG Oncology
Target Recruit Count
624
Registration Number
NCT02179086
Locations
🇺🇸

Kaiser Permanente Oakland-Broadway, Oakland, California, United States

🇺🇸

Saint Joseph Hospital - Orange, Orange, California, United States

🇺🇸

UC Irvine Health/Chao Family Comprehensive Cancer Center, Orange, California, United States

and more 237 locations

Subventricular Zone (SVZ) and Temozolomide in Glioblastoma Multiforme

First Posted Date
2014-06-27
Last Posted Date
2024-06-07
Lead Sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Target Recruit Count
60
Registration Number
NCT02177578
Locations
🇺🇸

Sibley Memorial Hospital, Washington, District of Columbia, United States

🇺🇸

The SKCCC at Johns Hopkins, Baltimore, Maryland, United States

🇺🇸

Suburban Hospital, Bethesda, Maryland, United States

Temozolomide and Ascorbic Acid in Treating Patients With Recurrent High-Grade Glioma

First Posted Date
2014-06-20
Last Posted Date
2023-11-24
Lead Sponsor
University of Nebraska
Target Recruit Count
4
Registration Number
NCT02168270
Locations
🇺🇸

University of Nebraska Medical Center, Omaha, Nebraska, United States

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