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
-

INO-5401 and INO-9012 Delivered by Electroporation (EP) in Combination With Cemiplimab (REGN2810) in Newly-Diagnosed Glioblastoma (GBM)

First Posted Date
2018-04-09
Last Posted Date
2024-12-20
Lead Sponsor
Inovio Pharmaceuticals
Target Recruit Count
52
Registration Number
NCT03491683
Locations
🇺🇸

University of Pennsylvania Health System: Penn Medicine, Philadelphia, Pennsylvania, United States

🇺🇸

Rutgers University - Cancer Institute of New Jersey, New Brunswick, New Jersey, United States

🇺🇸

Baylor College of Medicine, Houston, Texas, United States

and more 18 locations

Pre-operative RT and TMZ in Patients With Newly Diagnosed GBM Diagnosed Glioblastoma. A Phase I Study. (PARADIGMA)

First Posted Date
2018-03-29
Last Posted Date
2019-08-14
Lead Sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Registration Number
NCT03480867
Locations
🇨🇦

McGill University Health Centre-Cedars Cancer Centre, Montréal, Québec, Canada, Canada

Temozolomide, Radiation Therapy, and Tumor Treating Fields Therapy in Treating Participants With Glioblastoma

First Posted Date
2018-03-26
Last Posted Date
2024-04-05
Lead Sponsor
Sidney Kimmel Cancer Center at Thomas Jefferson University
Target Recruit Count
30
Registration Number
NCT03477110
Locations
🇺🇸

Sidney Kimmel Cancer Center at Thomas Jefferson University, Philadelphia, Pennsylvania, United States

Hydroxy-urea and Temozolomide in Patients With a Recurrent Malignant Brain Tumor (Glioblastoma)

First Posted Date
2018-03-13
Last Posted Date
2020-10-08
Lead Sponsor
M.E. van Linde
Target Recruit Count
54
Registration Number
NCT03463733
Locations
🇳🇱

VU University Medical Center, Amsterdam, Noord-Holland, Netherlands

Pembrolizumab and Vorinostat Combined With Temozolomide for Newly Diagnosed Glioblastoma

First Posted Date
2018-02-08
Last Posted Date
2023-07-19
Lead Sponsor
H. Lee Moffitt Cancer Center and Research Institute
Target Recruit Count
21
Registration Number
NCT03426891
Locations
🇺🇸

H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, United States

A Longitudinal Assessment of Tumor Evolution in Patients With Brain Cancer

First Posted Date
2018-02-07
Last Posted Date
2023-11-08
Lead Sponsor
Saint John's Cancer Institute
Target Recruit Count
49
Registration Number
NCT03425292
Locations
🇺🇸

Saint John's Cancer Institute, Santa Monica, California, United States

UNITE Study: Understanding New Interventions With GBM ThErapy

First Posted Date
2018-02-05
Last Posted Date
2021-04-14
Lead Sponsor
AbbVie
Target Recruit Count
40
Registration Number
NCT03419403
Locations
🇩🇪

Universitatsklinikum Tubingen /ID# 169965, Tuebingen, Germany

🇺🇸

Levine Cancer Ins, Carolina Me /ID# 171271, Charlotte, North Carolina, United States

🇳🇱

Vrije Universiteit Medisch Centrum /ID# 170152, Amsterdam, Netherlands

and more 19 locations

A Study of Apatinib Combined With Temozolomide in Patients Witn Advanced Melanoma

First Posted Date
2018-02-05
Last Posted Date
2018-02-05
Lead Sponsor
Peking University Cancer Hospital & Institute
Target Recruit Count
30
Registration Number
NCT03422445
Locations
🇨🇳

Beijing Cancer Hospital, Beijing, China

Nimotuzumab Plus Radiotherapy With Concomitant and Adjuvant Temozolomide for Cerebral Glioblastoma

First Posted Date
2018-01-03
Last Posted Date
2018-01-03
Lead Sponsor
Biotech Pharmaceutical Co., Ltd.
Target Recruit Count
39
Registration Number
NCT03388372
Locations
🇨🇳

The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China

🇨🇳

Guangdong Brain Hospital, Guangdong, China

🇨🇳

Shenzhen People's Hospital, Shenzhen, China

and more 2 locations

CAPTEM or FOLFIRI as SEcond-line Therapy in NEuroendocrine CArcinomas

First Posted Date
2018-01-02
Last Posted Date
2021-02-26
Lead Sponsor
Istituto Scientifico Romagnolo per lo Studio e la cura dei Tumori
Target Recruit Count
112
Registration Number
NCT03387592
Locations
🇮🇹

Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, FC, Italy

🇮🇹

Azienda Ospedaliera-Universitaria di Modena, Modena, MO, Italy

🇮🇹

Ospedale Civile degli Infermi, Faenza, RA, Italy

and more 20 locations
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