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Oral side effects

  

Side Effects or Treatment Support Guidelines > Oral Side Effects

Last updated: 04/01/2008

Oral | ResourcesResearch News

Oral Mucositis | Oral Thrush | Loss of Taste | Dry Mouth | Burning Mouth Syndrome 

Oral side effects that can result from cancer treatments include oral mucositis, oral thrush 
and loss of taste sensation or smell.

Oral health is important! In addition to being painful, a sore mouth can become easily infected. Every step should be taken to prevent infections, because they can be hard to fight during chemotherapy and can lead to serious problems or the interruption of your treatment.

Prevention: Talk you your doctor about seeing a dentist at least two weeks before chemotherapy begins. If you've already started chemotherapy and didn’t go to a dentist, see one as soon as possible, and notify him 
or her that you are receiving treatment. 

Tip: If brushing becomes too painful due to mouth sores, try a finger toothbrush. Meant for babies, they are very gentle yet are helpful in keeping the teeth and gums clean. They can be found in most drugstores and grocery stores. 

See Oral complications of cancer radiotherapy. Postgrad Med. 1977 Feb;61(2):85-92. 
PMID: 834698  PubMed | Related abstracts

Oral Mucositis (stomatitis

Inflammation of the mucous membranes in the mouth. 
It can range from redness to severe ulceration.  This is a side effect associated with many cancer treatments.  

TOPIC SEARCH: Radiotherapy and: PubMed 
Cancer Treatment and Mucositis: PubMed | ASCO | Medscape | WEB

Mucositis is painful and can affect nutrition, increase risk of infection, and can delay treatment. It can lead to major complications after or during cancer treatment.

Research News
Preventing / managing oral mucositis (resources) - common and serious side effect related to high dose therapy and stem cell transplantation  Abstract
A prospective, randomized study of cryotherapy ... [ice chips and ice-cold water shortly before, during, and for additional 90 min after completion of treatment]  ... during administration of high-dose melphalan to decrease the severity and duration of oral mucositis in patients with multiple myeloma undergoing autologous peripheral blood stem cell transplantation. Bone Marrow Transplant. 2006 Jun;37(11):1031-5. PMID: 16633359

Compared to the normal saline group, patients using cryotherapy experienced less grade 3-4 
mucositis, 14 vs 74%, P=0.0005. Patients receiving cryotherapy also had statistically 
lower uses of narcotics and TPN, although there were no differences in length of 
hospitalization or weight loss. Patient-reported pain was significantly lower and 
activities were significantly better in the cryotherapy group.

Resources and Articles
New:  Advances in the Prevention and Management of Oral Mucositis  professional.cancerconsultants.com
New:  Prevention and evidence-based best practices oralcancerfoundation.org  pdf 
About mucositis  cancerbacup.org.uk | cancersupportivecare.com  
Mucositis Assessment scale  symptomresearch.nih.gov
Mucosal damage: a major risk factor for severe complications after cytotoxic therapy.
Semin Oncol. 2004 Jun;31(3 Suppl 8):35-44. Review. PMID: 15181607
Preventing Mucositis - discussion of investigational use of 
Dehydroascorbic acid DHA  Medscape (free login req.) 
Management of oral mucositis during local radiation and systemic chemotherapy: 
a study of 98 patients. J Prosthet Dent. 1991 Sep;66(3):361-9. PMID: 1800734  PubMed | Related abstracts
Prospective evaluation of a chamomile mouthwash for prevention of 5-FU-induced oral mucositis. 
Cancer. 1996 Feb 1;77(3):522-5. PMID: 8630960  PubMed 
Chlorhexidine prophylaxis for chemotherapy- and radiotherapy-induced stomatitis: 
a randomized double-blind trial. Oral Surg Oral Med Oral Pathol. 1990 Mar;69(3):331-8.
PMID: 2179802  PubMed
News: FDA Approves Kepivance for Severe Oral Mucositis in Cancer Patients 
Undergoing Bone Marrow Transplant; Pivotal Phase 3 Study Published in 
This Week's New England Journal of Medicine  cancerconsultants.com Dec 2004

Questions and Answers on Palifermin (Keratinocyte Growth Factor)  FDA.gov
News (Medscape): "Ascorbic acid has antioxidant properties and participates in wound healing. 
Dehydroascorbic acid (DHA) is a prodrug form of ascorbic acid that readily crosses cell 
membranes and is converted into ascorbic acid within mucosal cells. 

The hamster model of acute radiation is useful for assessing treatment for mucositis. 
There is little systemic toxicity in the model, in which hamsters receive radiation therapy 
to the buccal mucosa. In a randomized study[4] comparing DHA given topically vs a 
non-DHA-containing topical solution in terms of their ability to reduce the incidence of 
mucosal damage, DHA therapy led to no change in the onset of acute mucositis. 

Other studies are now under way to evaluate other doses of DHA in this model. 
This compound is being formulated for use in human studies, which are expected 
to begin within the next 6 to 12 months. Interestingly, ascorbic acid does not 
seem to be effective in this model, perhaps because it does not enter into cells as efficiently.
The cancer patient with severe mucositis. Curr Rev Pain. 2000;4(3):197-202. Review.
PMID: 10998733  abstract
Complementary Medicine AND:
Oral glutamine to alleviate radiation-induced oral mucositis: a pilot randomized trial.
Int J Radiat Oncol Biol Phys. 2000 Feb 1;46(3):535-9. PMID: 10701731 abstract | related abstracts
Vitamin E [topical]  in the treatment of chemotherapy-induced mucositis. Am J Med 1992;92:481–4.  abstract

Oral thrush presents as distinctive lesions of the mouth, tongue, or cheeks -- caused by infection of the mouth with the fungus (yeast) Candida albicans.. Lesions are easily brushed away revealing a reddened, tender area that may bleed slightly."  MedlinePlus 

 

Loss of taste sensation is called Ageusia. Anosmia is the technical name for loss of smell. These are expected side effect of localized radiation treatment, which can improve with time. These effects can have " devastating physical and psychological consequences for the patient. Oral complications include xerostomia, dental decay, mucositis, taste loss,  osteoradionecrosis, infection, and trismus. In many instances, these problems can be eradicated or controlled with appropriate treatment."  

"As the effects of the treatment fade away things return to normal, but it may take up to a year for your sense of taste to return." source cancerbacup.org.uk 

Consulting a nutritionally oriented health professional is advised to determine nutritional deficiencies that may contribute to the problem, as well as nutrients that might help to rebuild the cells damaged by treatment, such as  Zinc, and vitamin B-12, glutamine.

About oral thrush  CDC
Information from Merck Manual

"Depending on the cause of the taste disorder, a doctor may recommend changing or stopping
 a suspected drug, keeping the mouth wet by sucking on candy, or just waiting several weeks 
to see if the problem disappears. Zinc supplements, which can be purchased without a 
prescription, are claimed to speed recovery, especially from taste disorders that follow 
a bout of the flu. The effect, however, has not been scientifically confirmed."
Taste and smell impairment  CancerSupportiveCare  

"The cells comprising taste buds usually  will regenerate within four months after treatment. However, the degree of long-term  impairment of taste is quite variable from patient to patient."
Impaired taste info   MedlinePlus  "Vitamin (Vitamin B-12) or mineral (Zinc in diet) deficiency"
Disorders of taste and smell  eMedicine.com

Burning Mouth Syndrome ( BMS): burning pain in the tongue or oral mucous membranes, usually without accompanying clinical and laboratory findings. Candidal infections are also purported to cause burning mouth syndrome. About BMS  aafp.org

Burning mouth syndrome (BMS): double blind controlled study of alpha-lipoic acid (thioctic acid) therapy. 
J Oral Pathol Med. 2002 May;31(5):267-9. PMID: 12110042

Dry Mouth (xerostomia), is a reduction in the production and quality of saliva in the salivary glands is a known side effect of radiation therapy. 

Try to follow these simple guidelines:

Perform oral hygiene after each meal and before bedtime

Rinse mouth immediately after meals

Brush and rinse dentures after meals

Use fluoride-based toothpaste

Drink clean water to keep mouth moist at all times

Ask your doctor about use of prescription fluoride gel at bedtime

Rinse often with salt and baking soda solution

Limit or avoid sugar-based liquids and foods

Avoid alcohol-based rinses

Use lip moisturizers

Ask your doctor about Oral pilocarpine (Salagen) a drug that stimulates saliva secretion

Adapted from thecancerblog.com 

Research
Acupuncture for pilocarpine-resistant xerostomia following radiotherapy for head and neck malignancies.
Int J Radiat Oncol Biol Phys. 2001 Jun 1;50(2):353-7. PMID: 11380221 

Acupuncture reduces xerostomia in some patients who are otherwise refractory to best current management.

Related Resources

Support for mucositis  cancersupportivecare.com  
Review these sections in Cancer Treatment Support for additional recommendations: 
Avoiding Infections
Diet Guidelines | Diet for Immunosuppressed |
Oral Health
Complimentary Medicine: Chemo-protection  PAL | Radio-protection  PAL
Low blood counts  PAL
Chemotherapy side effects  PAL
Quick Reference
Stomatitis or mucositis: inflammation of lining of the digestive system.
Xerostomia (Dry Mouth)
Return to top

 

Research News:
New Drug for Mouth Sores after Bone Marrow Transplants ~ Palifermin Approved for Leukemia, Lymphoma Patients  cancer.org
Palifermin (rHu-KGF) Improves Quality of Life in Patients Undergoing Stem Cell Transplantation  CancerConsultants 2003 
Amifostine: A Useful Radio/Chemoprotectant?  jo | Medscape
 
Disclaimer:  The information presented on Lymphomation.org is not intended to be a substitute for 
professional medical advice or to replace your relationship with a physician.
For all medical concerns,  you should always consult your doctor. 
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