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Mucosa-adhesive water-soluble polymer film for treatment of acute radiation-induced oral mucositis.
PURPOSETo examine the usefulness and safety of a mucosa-adhesive water-soluble polymer film (AD film) containing anesthetics and antibiotics for the treatment of acute radiation-induced oral mucositis.
MATERIALS AND METHODSTo prepare AD films, 600 mg of hydroxy-propyl-cellulose was dissolved in ethyl alcohol, and mixed with a solution containing tetracaine, ofloxacine, miconazole, guaiazulene, and triacetin. The gel obtained was dried to form 30 translucent round sheets (20 mg per sheet) of 7.5 cm in diameter and 0.2 mm in thickness. The AD film showed excellent adhesive and coating properties when placed on wet oral mucosa. From 1993 to 1994, we used the AD film in 25 patients with acute radiation-induced oral mucositis, in an attempt to alleviate their pain and prevent secondary oral infection. All patients had received definitive radiotherapy for oral carcinoma. Intensity and duration of oral pain from mucositis, relief rates at rest and while eating, and presence of bacterial and/or fungal infection were compared with those of 27 patients treated with topical anesthetics (viscous lidocaine, Xylocaine and/or general systemic analgesics from 1990 to 1992 (NonAD Group).
RESULTSThe intensity of oral pain was the same in the two groups. The mean duration of pain of the AD film Group (10 days) was significantly shortened compared with the NonAD Group (15 days). The rates of complete pain relief at rest and while eating of the AD film Group were statistically higher than those of the NonAD Group: 82% vs. 44%, and 68% vs. 22%, respectively. No secondary bacterial or fungal infections were observed in the AD film Group, whereas 4 cases of documented infections were found in the NonAD Group. No acute or chronic adverse effects of AD film were observed during the 3-year follow-up period. The rates for local control of oral carcinoma and overall survival, at the end of the follow-up period, were 96% and 87% for the AD film Group vs. 92% and 85% for the NonAD Group, respectively.
CONCLUSIONThe AD film, containing topical anesthetics and antibiotics, proved useful to alleviate pain due to acute radiation-induced oral mucositis, maintain good peroral feeding, and prevent secondary oral infections, without inducing adverse reactions.
Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan., , , , , , , ,
International journal of radiation oncology, biology, physics 40:5 1998 Mar 15 pg 1033-7
Aged, 80 and over
Carcinoma, Squamous Cell
Pub Type(s)Clinical Trial
Research Support, Non-U.S. Gov't