Avasopasem manganese synergizes with hypofractionated radiation to ablate tumors through the generation of hydrogen peroxide

BJ Sishc, L Ding, TK Nam, CD Heer… - Science translational …, 2021 - science.org
Avasopasem manganese (AVA or GC4419), a selective superoxide dismutase mimetic, is in
a phase 3 clinical trial (NCT03689712) as a mitigator of radiation-induced mucositis in head …

Superoxide dismutase as an intervention for radiation therapy-associated toxicities: Review and profile of avasopasem manganese as a treatment option for radiation …

ST Sonis - Drug Design, Development and Therapy, 2021 - Taylor & Francis
Toxicities associated with radiation therapy are common, symptomatically devastating, and
costly. The best chance to effectively mitigate radiation-associated normal tissue side effects …

The novel SOD mimetic GC4419 increases cancer cell killing with sensitization to ionizing radiation while protecting normal cells

MA El-Mahdy, YA Alzarie, C Hemann… - Free Radical Biology …, 2020 - Elsevier
While radiotherapy is a widely used treatment for many types of human cancer, problems of
radio-resistance and side effects remain. Side effects induced by ionizing radiation (IR) arise …

Efficacy of superoxide dismutase mimetic M40403 in attenuating radiation-induced oral mucositis in hamsters

CK Murphy, EG Fey, BA Watkins, V Wong… - Clinical cancer …, 2008 - AACR
Purpose: M40403 is a small-molecule superoxide dismutase mimetic that has shown
efficacy in animal model disease states in which superoxide anions are thought to play a key …

Utilizing superoxide dismutase mimetics to enhance radiation therapy response while protecting normal tissues

KA Mapuskar, CM Anderson, DR Spitz… - Seminars in radiation …, 2019 - Elsevier
Symptomatic normal tissue injury is a common side effect following definitive therapeutic
radiation and chemotherapy treatment for a variety of malignancies. These cancer therapy …

[HTML][HTML] Superoxide Dismutase Mimetic GC4419 Enhances the Oxidation of Pharmacological Ascorbate and Its Anticancer Effects in an H2O2-Dependent Manner

CD Heer, AB Davis, DB Riffe, BA Wagner, KC Falls… - Antioxidants, 2018 - mdpi.com
Lung cancer, together with head and neck cancer, accounts for more than one-fourth of
cancer deaths worldwide. New, non-toxic therapeutic approaches are needed. High-dose IV …

Arsenic trioxide treatment decreases the oxygen consumption rate of tumor cells and radiosensitizes solid tumors

C Diepart, O Karroum, J Magat, O Feron, J Verrax… - Cancer research, 2012 - AACR
Abstract Arsenic trioxide (As2O3) is an effective therapeutic against acute promyelocytic
leukemia and certain solid tumors. Because As2O3 inhibits mitochondrial respiration in …

Inhibition of oral cancer cell growth by adenovirusMnSOD plus BCNU treatment

CJD Weydert, BB Smith, L Xu, KC Kregel… - Free Radical Biology …, 2003 - Elsevier
We hypothesized that inhibitors of peroxide removal, such as BCNU, an indirect inhibitor of
glutathione peroxidase (GPx), and 3-amino-1, 2, 4-triazole (AT), a direct inhibitor of catalase …

[HTML][HTML] Auranofin radiosensitizes tumor cells through targeting thioredoxin reductase and resulting overproduction of reactive oxygen species

H Wang, S Bouzakoura, S De Mey, H Jiang, K Law… - Oncotarget, 2017 - ncbi.nlm.nih.gov
Auranofin (AF) is an anti-arthritic drug considered for combined chemotherapy due to its
ability to impair the redox homeostasis in tumor cells. In this study, we asked whether AF …

Salen Mn complexes mitigate radiation injury in normal tissues

RA Rosenthal, B Fish, RP Hill… - Anti-Cancer Agents …, 2011 - ingentaconnect.com
Salen Mn complexes, including EUK-134, EUK-189 and a newer cyclized analog EUK-207,
are synthetic SOD/catalase mimetics that have beneficial effects in many models of oxidative …