Skip to content

Comparative efficacy of duogargling with sodium bicarbonate solution and Benzydamine hydrochloride to single-gargling with Benzydamine hydrochloride in head and neck cancer participants who are receiving concurrent chemoradiation for mucositis prevention and quality of life assessment

Comparative efficacy of duogargling with sodium bicarbonate solution and Benzydamine hydrochloride to single-gargling with Benzydamine hydrochloride in head and neck cancer participants who are receiving concurrent chemoradiation for mucositis prevention and quality of life assessment

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260126005
Enrollment
68
Registered
2026-01-26
Start date
2026-01-05
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Head and neck cancer receiving concurrent chemoradiotherapy complicated by oral mucositis (inflammation and ulceration of the mouth lining). Head and Neck cancer Chemoradiotherapy Oral Mucositis Benzydamine Hydrochloride Sodium Bicarbonate Mouthwashes Randomized Controlled Trial Quality of Life

Interventions

DuoGargle mouthwash consisting of benzydamine hydrochloride solution used together with sodium bicarbonate solution. Participants gargle with sodium bicarbonate then benzydamine according to study sch
Experimental Drug,Active Comparator Drug
DuoGargle,BenzydamineOnly

Sponsors

Faculty of Medicine, Chulalongkorn University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age equal or more than 18 years. 2. Diagnosed with head and neck cancer confirmed by pathology as squamous cell carcinoma, with the primary tumor site located in the oral cavity, oropharynx, nasopharynx, larynx (except T1-2N0M0), hypopharynx, paranasal sinus or nasal cavity 3. Planned treatment with chemoradiation (either adjuvant or definitive) with a curative intent 4. Adequate organ function: 5. ECOG performance status 0-2 6. No history of allergy to the study medications: Benzydamine hydrochloride (mouthwash) or sodium bicarbonate 7. Written informed consent to participate in the study

Exclusion criteria

Exclusion criteria: 1. Medical comorbidities: - severe cardiovascular disease; unstable angina, NYHA class III/IV, heart failure - Active infection requiring systemic therapy - Uncontrolled diabetes (HbA1C > 8%) - Autoimmune disorders requiring immune suppression 2. Other active malignancies, or prior cancer within 5 years 3. Pregnancy and breastfeeding condition 4. Allergies: hypersensitivity to study drugs (cisplatin or mouthwash components) 5. Prior chemotherapy/radiotherapy for head/neck cancer within 3 months 6. Using intraoral stent (IOS) during radiotherapy

Design outcomes

Primary

MeasureTime frame
OMAS score week 7 Clinician-rated OMAS total score 0-5, highest weekly value recorded.

Secondary

MeasureTime frame
Grade of oral mucositis weekly Common Terminology Criteria for Adverse Events version 5.0, clinician-graded,Use of local anesthetic mouthwash Weekly Recorded as yes/no and number of days of use from medication record or patient diary,Use of opioid analgesic Weekly Recorded as yes or no,Morphine usage Weekly Recorded as yes or no,Use of feeding tube Weekly Insertion of nasogastric or gastrostomy feeding tube recorded as yes/no,Body weight change from baseline Weekly Difference in body weight in kilograms from baseline measurement,Quality of life by EORTC-QLQ35 score weekly Questionare

Countries

Thailand

Contacts

Public ContactChanida Vinayanuwattikun

King Chulalongkorn Memorial Hospital

chanida.vi@chula.ac.th022564533

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026