- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06287294
An Investigation Into Taste Problems Associated With Xerostomia in Patients With Advanced Cancer
Study Overview
Status
Conditions
Detailed Description
Patients with advanced cancer often develop taste disturbances. A recent literature review reported a median prevalence of 55%, with prevalence ranging from 27-93%. Studies have shown taste disturbance is usually a persistent symptom, is often 'moderate-to-severe' in intensity, and is often associated with significant distress. Taste disturbance may have a major impact on the experience and pleasure associated with eating and drinking. Taste disturbance may have a major impact on nutritional intake. It may be associated with low mood / depression, social isolation, and an impaired quality of life.
There is limited data available on the aetiology of taste disturbances in patients with advanced cancer, although one group of researchers reported an association between the severity of xerostomia (subjective sensation of dry mouth) and the severity of taste disturbance. Several studies have identified xerostomia and taste disturbance in symptom clusters.
Xerostomia (dry mouth) is defined as the subjective complaint of dry mouth. The prevalence of xerostomia in patients with advanced cancer has been reported to be >80%. It is the most common oral symptom in patients with advanced cancer. Xerostomia is often a distressing symptom, and is associated with a number of complications including oral discomfort, lip discomfort, cracking of lips, taste disturbances, difficulty chewing, difficulty swallowing, decreased intake of nutrition, oesophagitis, difficulty speaking, poor oral hygiene, halitosis, dental caries, salivary gland infections, oral candidiasis, pneumonia, dental demineralisation (causing dental sensitivity), denture fitting problems, oesophagitis, sleep disturbance, embarrassment, anxiety, depression, and social isolation.
The aforementioned literature review identified the need for observational studies to determine the prevalence, clinical features, "risk factors" and aetiologies for taste disturbance- this data would facilitate targeted screening for the problem. Studies have shown that taste disturbances and xerostomia often co-exist. To the researcher's knowledge, there no evidence on the effect of xerostomia or its treatment on taste problems. This study will explore the relationship between xerostomia and taste problems in patients with advanced cancer.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Andrew Davies, FRCP
- Phone Number: 0035314986235
- Email: andavies@tcd.ie
Study Contact Backup
- Name: Marie Hannon, BSc
- Phone Number: +35314912558
- Email: marie.hannon@ucdconnect.ie
Study Locations
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-
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Dublin, Ireland, D6WRY72
- Recruiting
- Our Lady's Hospice and Care Services
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Contact:
- Andrew Davies, FRCP
- Phone Number: 0035314986235
- Email: andavies@tcd.ie
-
Contact:
- Marie Hannon, BSc
- Phone Number: 0035314912558
- Email: marie.hannon@ucdconnect.ie
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Patients who are currently under the care of oncology or palliative care who have an incurable cancer. Patients will be identified by the clinical teams at the study sites, informed about the study, and (if interested in taking part in the study) referred to the research team.
Participants will be screened for inclusion by asking, "1. Over the last 2 weeks have you experienced having a dry mouth? 2. Over the past 2 weeks have you experienced taste problems?" If yes to either question, "How severe was it? (Options- Slight/Moderate/Severe/Very severe)". Patients must score as moderate/severe/very severe.
Description
Inclusion Criteria:
- 18 years of age
- Diagnosis of locally advanced or metastatic cancer
- Referred to palliative care/oncology services
- Dry mouth rated 'moderate' or worse over previous 2-week period
- Taste problems rated 'moderate' or worse over previous 2-week period
- Good understanding of English
Exclusion Criteria:
- Cognitive impairment (unable to provide consent / complete questionnaire)
- Dry mouth precedes cancer diagnosis.
- Taste problems precedes cancer diagnosis.
- Head and neck surgery
- Head and neck radiotherapy
- Salivary gland disorders (e.g., Sjogren's Syndrome)
- In the 'Deteriorating' or 'Terminal' Phase of illness
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To measure the prevalence of taste problems in patients with advanced cancer with a dry mouth using the Oral Symptom Assessment Scale (questionnaire)
Time Frame: December 2024
|
To measure the prevalence of taste problems in patients with advanced cancer who have a dry mouth using the validated Oral Symptom Assessment Scale, which is a 20 question questionnaire which asks about the presence of symptoms in the previous week, the frequency of the symptoms, the severity of the symptoms, and the amount of distress/"bothersomeness" caused by the symptoms.
|
December 2024
|
To identify an association of any other oral symptoms present in patients with taste problems and dry mouth who have advanced cancer using the Oral Symptom Assessment Scale (questionnaire)
Time Frame: December 2024
|
To identify an association of any other oral symptoms present in patients with taste problems and dry mouth who have advanced cancer using the Oral Symptom Assessment Scale (questionnaire) which asks about the presence of symptoms in the previous week, the frequency of the symptoms, the severity of the symptoms, and the amount of distress/"bothersomeness" caused by the symptoms.
|
December 2024
|
To characterise the taste disturbances i.e. to identify reduced taste, heightened taste, altered taste or no taste using the Taste Questionnaire in Palliative Care (questionnaire) and Waterless Empirical Taste Test (objective taste test)
Time Frame: December 2024
|
To characterise the taste disturbances i.e. for reduced taste, heightened taste, altered taste or no taste using the Taste Questionnaire in Palliative Care, which is a 16 question questionnaire which asks about the presence of taste problems in the previous fortnight, the frequency of the symptoms, the severity of the symptoms, and the amount of distress/"bothersomeness" caused by these symptoms.
An objective taste test, the Waterless Empirical Taste Test will also be used.
This is comprised of taste strips with monomer cellulose pads impregnated with solutions dried of sucrose, citric acid, sodium chloride, caffeine, monosodium glutamate, or no stimulus.
The participant is instructed to move the cellulose pad of each strip around the mouth for 5-10 seconds, and to identify the taste quality or to indicate that no taste can be perceived.
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December 2024
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To identify what impact taste problems are having on patients dietary intake using the Taste Questionnaire in Palliative Care (questionnaire).
Time Frame: December 2024
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To identify the impact taste problems are having on patients dietary intake using the Taste Questionnaire in Palliative Care (questionnaire) which is a 16 question questionnaire which asks about the presence of taste problems and xerostomia in the previous fortnight, the frequency of the symptoms, the severity of the symptoms, and the amount of distress/"bothersomeness" caused by these symptoms.
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December 2024
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To identify what impact taste problems are having on patients quality of life using the Taste Questionnaire in Palliative Care (questionnaire).
Time Frame: December 2024
|
To identify the impact taste problems are having on patients quality of life using the Taste Questionnaire in Palliative Care (questionnaire) which is a 16 question questionnaire which asks about the presence of taste problems and xerostomia in the previous fortnight, the frequency of the symptoms, the severity of the symptoms, and the amount of distress/"bothersomeness" caused by these symptoms.
|
December 2024
|
Collaborators and Investigators
Investigators
- Principal Investigator: Andrew Davies, FRCP, Our Lady's Hospice and Care Services
Publications and helpful links
General Publications
- Davies A, Buchanan A, Todd J, Gregory A, Batsari KM. Oral symptoms in patients with advanced cancer: an observational study using a novel oral symptom assessment scale. Support Care Cancer. 2021 Aug;29(8):4357-4364. doi: 10.1007/s00520-020-05903-1. Epub 2021 Jan 8.
- Hannon M, Shaw A, Connolly M, Davies A. Taste disturbance in patients with advanced cancer: a scoping review of clinical features and complications. Support Care Cancer. 2023 Sep 6;31(10):562. doi: 10.1007/s00520-023-08012-x.
- McGettigan N, Dhuibhir PU, Barrett M, Sui J, Balding L, Higgins S, O'Leary N, Kennedy A, Walsh D. Subjective and Objective Assessment of Taste and Smell Sensation in Advanced Cancer. Am J Hosp Palliat Care. 2019 Aug;36(8):688-696. doi: 10.1177/1049909119832836. Epub 2019 Mar 3.
- Twycross RG, Lack SA (1986) Control of alimentary symptoms in far advanced cancer. Churchill Livingstone, Edinburgh
- Kirkova J, Walsh D, Rybicki L, Davis MP, Aktas A, Tao Jin, Homsi J. Symptom severity and distress in advanced cancer. Palliat Med. 2010 Apr;24(3):330-9. doi: 10.1177/0269216309356380. Epub 2009 Dec 16.
- Webber K, Davies AN, Leach C, Waghorn M. Symptom prevalence and severity in palliative cancer medicine. BMJ Support Palliat Care. 2023 Dec 7;13(e2):e270-e272. doi: 10.1136/bmjspcare-2020-002357.
- Hutton JL, Baracos VE, Wismer WV. Chemosensory dysfunction is a primary factor in the evolution of declining nutritional status and quality of life in patients with advanced cancer. J Pain Symptom Manage. 2007 Feb;33(2):156-65. doi: 10.1016/j.jpainsymman.2006.07.017.
- Rydholm M, Strang P. Physical and psychosocial impact of xerostomia in palliative cancer care: a qualitative interview study. Int J Palliat Nurs. 2002 Jul;8(7):318-23. doi: 10.12968/ijpn.2002.8.7.10671.
- Davies AN, Broadley K, Beighton D. Xerostomia in patients with advanced cancer. J Pain Symptom Manage. 2001 Oct;22(4):820-5. doi: 10.1016/s0885-3924(01)00318-9.
- Tsai JS, Wu CH, Chiu TY, Chen CY. Significance of symptom clustering in palliative care of advanced cancer patients. J Pain Symptom Manage. 2010 Apr;39(4):655-62. doi: 10.1016/j.jpainsymman.2009.09.005. Epub 2010 Mar 11.
- Walsh D, Rybicki L. Symptom clustering in advanced cancer. Support Care Cancer. 2006 Aug;14(8):831-6. doi: 10.1007/s00520-005-0899-z. Epub 2006 Feb 16.
- Hopcraft MS, Tan C. Xerostomia: an update for clinicians. Aust Dent J. 2010 Sep;55(3):238-44; quiz 353. doi: 10.1111/j.1834-7819.2010.01229.x.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RS23-042
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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