Oral Complications of Chemotherapy and Head/Neck Radiation (PDQ®): Supportive care - Health Professional Information [NCI] - Oral Mucositis
Focal topical application of anesthetic agents is preferred over widespread oral topical administration, unless the patient requires more extensive pain relief. Products such as the following may provide relief:
- 2% viscous lidocaine
- Diphenhydramine solution
- One of the many extemporaneously prepared mixtures combining the following coating agents with topical anesthetics:
The use of compounded topical anesthetic rinses should be considered carefully relative to the cost of compounding these products versus their actual efficacy.
Irrigation should be performed before topical medication is applied because removal of debris and saliva allows for better coating of oral tissues and prevents material from accumulating. Frequent rinsing cleans and lubricates tissues, prevents crusting, and palliates painful gingiva and mucosa.
Systemic analgesics should be administered when topical anesthetic strategies are not sufficient for clinical relief. Opiates are typically used;[Level of evidence: II] the combination of chronic indwelling venous catheters and computerized drug administration pumps to provide PCA has significantly increased the effectiveness of controlling severe mucositis pain while lowering the dose and side effects of narcotic analgesics. Nonsteroidal anti-inflammatory drugs that affect platelet adhesion and damage gastric mucosa are contraindicated, especially if thrombocytopenia is present.
Although mucositis continues to be one of the dose-limiting toxicities of fluorouracil (5-FU), cryotherapy may be an option for preventing oral mucositis. Because 5-FU has a short half-life (5–20 minutes), patients are instructed to swish ice chips in their mouths for 30 minutes, beginning 5 minutes before 5-FU is administered.[Level of evidence: I] Oral cryotherapy has been studied in patients receiving high-dose melphalan conditioning regimens used with transplantation;[42,43] further research is needed.
Many agents and protocols have been promoted for management or prevention of mucositis.[44,45,46] Although not adequately supported by controlled clinical trials, allopurinol mouthwash and vitamin E have been cited as agents that decrease the severity of mucositis. Prostaglandin E2 was not effective as a prophylaxis of oral mucositis following bone marrow transplant, although studies indicate possible efficacy when prostaglandin E2 is administered via a different dosing protocol.
Current Clinical Trials
Check NCI's list of cancer clinical trials for U.S. supportive and palliative care trials about mucositis that are now accepting participants. The list of trials can be further narrowed by location, drug, intervention, and other criteria.
General information about clinical trials is also available from the NCI Web site.
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