Olive oil swish: a simple soother for cancer mouth pain?
NCT ID NCT07293013
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether gargling with olive oil can reduce painful mouth sores caused by radiation or chemotherapy in head and neck cancer patients. About 120 adults will either use olive oil mouthwash or receive standard care for 12 weeks. Researchers will track soreness, dry mouth, pain, comfort, and quality of life to see if this natural remedy helps.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2022
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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20 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * A. Aged 20 years or older. B. Diagnosed with a primary cancer located in the head and neck region and preparing to undergo radiotherapy or concurrent chemoradiotherapy (CCRT). For the purposes of this study, CCRT is defined as receiving chemotherapy within one week before or after the first day of radiotherapy. C. The total prescribed radiotherapy dose is between 6000 and 7200 cGy. D. Conscious and able to communicate in Mandarin or Taiwanese. E. Willing to participate in the study after receiving an explanation, and capable of signing the informed consent form. Exclusion Criteria: A. Patients diagnosed with recurrent head and neck cancer undergoing a second course of radiotherapy or CCRT. B. Patients who are allergic or have a history of allergy to any component of the intervention used in this study. C. Patients who are unable to open their mouth due to skin grafting. D. Patients with known metastasis (M1). E. Patients who have already developed oral mucositis (OM). F. Patients with skin diseases, autoimmune disorders, or those deemed unsuitable for the study by the physician.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Ditmanson Medical Foundation Chiayi Christian Hospital
RECRUITINGChiayi City, Chia-Yi City, 60002, Taiwan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a dental assistant keep cancer Patients' mouths healthier during radiation?
- Why do Non-Smokers get head and neck cancer? scientists probe tumor DNA
- Re-irradiation plus cetuximab targets head and neck tumors that return
- Sharper tumor maps: PET scans could tighten radiation beams
- Five days of radiation instead of weeks: a new test for head and neck cancer
- Can an online program ease the burden on cancer caregivers?