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The radioprotective effects of alpha-lipoic acid on radiotherapy-induced toxicities: A systematic review.

Sheikholeslami S and Khodaverdian S and Dorri-Giv M and Mohammad Hosseini S and Souri S and Abedi-Firouzjah R and Zamani H and Dastranj L and Farhood B

International immunopharmacology (2021) 96: 107741

DOI: 10.1016/j.intimp.2021.107741

Abstract

PURPOSE: Radiation therapy is one of the main cancer treatment modalities applied in 50-70% of cancer patients. Despite the many advantages of this treatment, such as non-invasiveness, organ-preservation, and spatiotemporal flexibility in tumor targeting, it can lead to complications in irradiated healthy cells/tissues. In this regard, the use of radio-protective agents can alleviate radiation-induced complications. This study aimed to review the potential role of alpha-lipoic acid in the prevention/reduction of radiation-induced toxicities on healthy cells/tissues. METHODS: A systematic search was performed following PRISMA guidelines to identify relevant literature on the "role of alpha-lipoic acid in the treatment of radiotherapy-induced toxicity" in the electronic databases of Web of Science, Embase, PubMed, and Scopus up to January 2021. Based on the inclusion and exclusion criteria of the present study, 278 articles were screened. Finally, 29 articles were included in this systematic review. RESULTS: The obtained results showed that in experimental in vivo models, the radiation-treated groups had decreased survival rate and body weight compared to the control groups. It was also found that radiation can induce mild to severe toxicities on gastrointestinal, circulatory, reproductive, central nervous, respiratory, endocrine, exocrine systems, etc. However, the use of alpha-lipoic acid could alleviate the radiation-induced toxicities in most cases. This radio-protective agent exerts its effects through mechanisms of anti-oxidant, anti-apoptosis, anti-inflammatory, and so on. CONCLUSION: According to the obtained results, it can be mentioned that co-treatment of alpha-lipoic acid with radiotherapy ameliorates the radiation-induced toxicities in healthy cells/tissues.

Citation

Sheikholeslami S, Khodaverdian S, Dorri-Giv M, Mohammad Hosseini S, Souri S, Abedi-Firouzjah R, Zamani H, Dastranj L, & Farhood B. (2021). The radioprotective effects of alpha-lipoic acid on radiotherapy-induced toxicities: A systematic review. International Immunopharmacology, 96, 107741. https://doi.org/10.1016/j.intimp.2021.107741 Animals, Humans, Antioxidants/*pharmacology, Radiotherapy/*adverse effects, Radiotherapy, Neoplasms/pathology/*radiotherapy, Radiation Injuries/*drug therapy/prevention & control, Radiation-Protective Agents/*pharmacology, Thioctic Acid, Thioctic Acid/*pharmacology

Keywords