Chemoprevention using folic acid for dysplastic lesions of the larynx

  • Mesolella M
  • Iengo M
  • Testa D
  • et al.
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Abstract

Folate deficiency may be directly associated with carcinogenesis. Folate supplementation may reduce the risk of progression in a mucosa that is already genetically altered. The aim of the present study was to determine the role of folic acid in the treatment of mild and moderate laryngeal dysplasia recurring after surgery. The data obtained by laryngoscopy, measurement of serum folate levels and functional vocal assessment with the GIRBAS scale and VHI questionnaire were compared in patients who had received folic acid with a homogeneous group of patients with dysplasia who had not undergone any therapy. A total of 24 patients suffering from recurrence of mild or moderate laryngeal dysplasia (n=12, group A) were treated with 400 mg folic acid per os, once daily for 6 months. The patients in group B (n=12) received no treatment and were used as the control group. In group A, 7 (58%) patients exhibited a complete response, with clinically evident regression of leukoplakia, 3 (25%) displayed a partial decrease in the lesions with reduced volume of the area involved, whereas 2 patients exhibited no change. As regards patients in control group B, 8 (67%) exhibited no change, in 1 case there was a spontaneous regression, and in 3 (25%) there was disease progression with suspected malignant transformation, leading to repeat surgery. Therefore, folate deficiency may be considered to be a factor predisposing to precancerous lesions, and dietary folate supplementation may prevent and reduce the emergence of cancer.

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APA

Mesolella, M., Iengo, M., Testa, D., Ricciardiello, F., & Iorio, B. (2017). Chemoprevention using folic acid for dysplastic lesions of the larynx. Molecular and Clinical Oncology, 7(5), 843–846. https://doi.org/10.3892/mco.2017.1424

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