Management of Xerostomia Following Radiotherapy: A clinical trial of a novel emulsion for potential use as a saliva substitute
Apperley, Olivia
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Cite this item:
Apperley, O. (2015). Management of Xerostomia Following Radiotherapy: A clinical trial of a novel emulsion for potential use as a saliva substitute (Thesis, Doctor of Clinical Dentistry). University of Otago. Retrieved from http://hdl.handle.net/10523/6052
Permanent link to OUR Archive version:
http://hdl.handle.net/10523/6052
Abstract:
Aim: Researchers have recently developed a novel oily formulation for potential us as a saliva substitute. The aim of this randomised, cross-over study is to compare this new formulation to a currently available saliva substitute and a control of water on measures of mastication, subjective feeling of oral dryness and product acceptability.Methods: Forty participants treated with radiotherapy to the head and neck region and experiencing xerostomia were selected to participate in the trial. Each participant trialled all three products in a randomised order. The effect of each product was measured using the Test of Masticating and Swallowing Solids (TOMASS), the shortened Xerostomia Inventory (SXI) and a questionnaire designed to test the patient acceptability of each product. Outcome data were gathered in a single session after the first administration of each product to evaluate immediate effects, and after seven days of use to evaluate longer-term effects. Statistical analysis consisted of repeated measures analysis of variance and mixed effect models.Results: There was no effect of any of the three formulations either with immediate or cumulative use on any of the TOMASS measures (p > 0.05). Application of the novel emulsion resulted in a clinically small but significant improvement in SXI score compared to baseline (p<0.01), however application of methylcellulose (p=0.21) and water (p=0.81) resulted in no significant difference compared to baseline values. There was no difference in participant acceptability between the 3 products (p=0.32).Conclusion: The novel oily emulsion shows no clinically significant benefit over two existing products for relief of xerostomia. Indeed, none of the three products demonstrated significant change in patient outcomes.
Date:
2015
Advisor:
Rich, Alison; Huckabee, Maggie-Lee; MacFadyen, Eithne; Medlicott, Natalie
Degree Name:
Doctor of Clinical Dentistry
Degree Discipline:
Department of Oral Diagnostic and Surgical Sciences
Publisher:
University of Otago
Keywords:
Saliva substitute; Artificial saliva; Mouth moisturiser; Xerostomia; Radiotherapy
Research Type:
Thesis
Languages:
English