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Head and Neck CancerNCT03302676

The Use of Chewing Gum for Xerostomia and Hyposalivation After Radiotherapy for Oral and Oropharyngeal Tumors

A study testing Chewing gum in people with Head and Neck Cancer and Radiation Therapy Complication, run by Odense University Hospital at 1 site in Denmark.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study evaluates the possible benefits of a tasteless and sugar free chewing gum as a salivary stimulant for head and neck cancer patients treated with curative intended radiotherapy. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Chewing gum
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
109 participants
Where
1 siteDenmark
Study dates
Sep 2016to Jan 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Over 18 years of age
  • Diagnosed with oral or oropharyngeal carcinoma
  • Received curative intended radiation therapy (primary or postoperative), 60-66Gy including concurrent chemotherapy
  • Within 6 to 60 months after radiation therapy
  • Complains of xerostomia level 1 (according to Danish Head and Neck Cancer group)
  • Written informed consent

Who cannot join

  • Poor teeth condition or full set of dentures
  • Recurrence of cancer or palliative treatment

Trial locations and contacts

1 site in 1 country.

Denmark1 site
  • Odense University Hospital

    Odense, Danmark, 5000

Other trials in Denmark

About this study

This study evaluates the possible benefits of a tasteless and sugar free chewing gum as a salivary stimulant for head and neck cancer patients treated with curative intended radiotherapy.

Read the detailed description

Radiation-induced xerostomia and hyposalivation are frequent side effects after completed treatment for oral and oropharyngeal cancers. This may induce eating and swallowing difficulties, compromised oral hygiene, pain in the mouth, or speech deficiencies. As a consequence, quality of life is often impaired for this group of patients even after completing treatment.

This study hypothesize that chewing gum can stimulate salivary flow from the residual functional salivary glands and thereby improving the patient's oral well-being.

Primary endpoint:

  • To assess whether the difference between the unstimulated and stimulated salivary flow after a one-month period of using chewing gum will result in improved oral well-being.

Secondary endpoint:

  • To assess if unstimulated and stimulated salivary flow differs between the two groups of patients
  • To evaluate changes in quality of life with EORTC QLQ H\&N-35 for patients using chewing gum
  • To evaluate differences in quality of life with EORTC QLQ H\&N-35 between the two groups of patients.

All patients who have received curative intended treatment for oral or oropharyngeal carcinomas at the Department of Oncology, Odense University Hospital, will be invited to participate in the study. If the eligibility criteria are met the patient will be randomized 2:1 to either the intervention arm with chewing gum or the control arm with standard oral care. The study intends to include 210 patients in total. Of these, 140 patients in the intervention arm and 70 in the control arm. Recruitment to the study was initiated in September 2016 and is expected to be completed in July 2018.

The duration of the study is one month from inclusion and randomization to final follow up. For all included patients, saliva samples are collected (unstimulated and stimulated sialometry) and the EORTC QLQ H\&N-35 questionnaire and a xerostomia specific questionnaire are completed. The patients in the control arm are only introduced to chewing gum at the last follow up visit. In the intervention arm, all patients are instructed to use the chewing gum on a daily basis (preferably 5 times a day) and to make notes in a patient diary to document compliance.

Being tested
Chewing gum
Keywords
Saliva substitute
Medical subject headings
Head and Neck Neoplasms, Xerostomia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Chewing gumDietary supplement

Study groups in NCT03302676
Study groupRoleWhat they receive
InterventionActive comparatorPatients use tasteless and sugar free chewing gum up to 5 times a day for 1 month. Daily registrations in a patient dairy.
Receives: Dietary Supplement: Chewing gum
ControlNo interventionPatients continue with daily routine to relieve oral discomfort. No chewing gum allowed.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Salivary flow (intervention arm)

    Patients in the intervention arm will experience increase in stimulated salivary flow at follow up as compared to unstimulated salivary flow at baseline.

    Measured: 1 month

Secondary outcomes (1)
  1. Salivary flow (both groups of patients)

    The difference between unstimulated and stimulated salivary flow will be higher for patients in the intervention arm as compared to the difference in salivary flow for patients in the control arm.

    Measured: 1 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Oct 2017
  2. Study startSep 2016
  3. Primary completionSep 2018
  4. Study completionJan 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Supportive care
Allocation
Randomised
Intervention model
Parallel groups
Model description
2:1 randomization in favor of chewing gum (intervention)
Masking
None (open label)
Enrolment
109 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03302676
Sponsor's protocol ID
S-20160053
Status last verified
Mar 2019
First submitted
2 Oct 2017
Last updated
14 Mar 2019
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Kaae JK, Stenfeldt L, Hyrup B, Brink C, Eriksen JG. A randomized phase III trial for alleviating radiation-induced xerostomia with chewing gum. Radiother Oncol. 2020 Jan;142:72-78. doi: 10.1016/j.radonc.2019.09.013. Epub 2019 Oct 9.

    PubMed 31606226

Questions about this trial

What is this clinical trial studying?

A study testing Chewing gum in people with Head and Neck Cancer and Radiation Therapy Complication, run by Odense University Hospital at 1 site in Denmark.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Mar 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Salivary flow (intervention arm) (time frame: 1 month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03302676, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Mar 2019.

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