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Title: Ozone therapy as adjuvant for cancer treatment: Is further research warranted?
Authors: Clavo Varas, Bernardino 
Santana, Norberto 
Llontop, Pedro
Gutiérrez, Dominga
Suárez, Gerardo
López Ríos,Laura 
Rovira, Gloria
Martínez-Sánchez, Gregorio
González, Esteban
Jorge, Ignacio J.
Perera, Carmen
Blanco, Jesús
Rodríguez-Esparragon, Francisco 
UNESCO Clasification: 32 Ciencias médicas
Keywords: Animal Experimental Examinations
Spinal-Cord Stimulation
Tumor Oxygenation
Chromosome Breakage
Hyperbaric-Oxygen, et al
Issue Date: 2018
Publisher: 1741-427X
Project: Instituto de Salud Carlos III (Grants: INT07/30; INT07/172; PI 10/01485)
Fundación Canaria de Investigación y Salud (FUNCIS) (Grants: PI 31/98 (study involving patients with head and neck cancer); PI 2/05 (study involving patients with brain tumor))
Journal: Evidence-Based Complementary and Alternative Medicine 
Abstract: Introduction. This article provides an overview of the potential use of ozone as an adjuvant during cancer treatment. Methods. We summarize the findings of the most relevant publications focused on this goal, and we include our related clinical experience. Results. Over several decades, prestigious journals have published in vitro studies on the capacity of ozone to induce direct damage on tumor cells and, as well, to enhance the effects of radiotherapy and chemotherapy. Indirect effects have been demonstrated in animal models: immune modulation by ozone alone and sensitizing effect of radiotherapy by concurrent ozone administration. The effects of ozone in modifying hemoglobin dissociation curve, 2,3-diphosphoglycerate levels, locoregional blood flow, and tumor hypoxia provide additional support for potential beneficial effects during cancer treatment. Unfortunately, only a few clinical studies are available. Finally, we describe some works and our experience supporting the potential role of local ozone therapy in treating delayed healing after tumor resection, to avoid delays in commencing radiotherapy and chemotherapy. Conclusions. In vitro and animal studies, as well as isolated clinical reports, suggest the potential role of ozone as an adjuvant during radiotherapy and/or chemotherapy. However, further research, such as randomized clinical trials, is required to demonstrate its potential usefulness as an adjuvant therapeutic tool.
ISSN: 1741-427X
DOI: 10.1155/2018/7931849
Source: Evidence-Based Complementary And Alternative Medicine[ISSN 1741-427X], v. 2018, (Septiembre 2018), 7931849
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