Chewing Gum and Cold Gargle on Post-Bronchoscopy Symptoms

NCT07517926 | Recruiting

• 1 other identifier: 2025/177
• Study Type: interventional
• Target: 100
• Locations: 1 country
• Sites: 1

Brief Summary

This study aims to evaluate the effects of chewing gum and gargling with cold water on common post-bronchoscopy symptoms, such as sore throat and difficulty swallowing (dysphagia). Bronchoscopy is a procedure that can cause temporary throat discomfort. In this randomized controlled trial, patients will be divided into groups to receive either chewing gum, cold water gargle, or standard care. The researchers will then measure and compare patient satisfaction levels and the severity of throat symptoms to determine if these simple interventions can improve patient comfort after the procedure.

Conditions

Sore Throat; Dysphagia; Patient Satisfaction; Bronchoscopy

Keywords

Bronchoscopy; Sore Throat; Dysphagia; Chewing Gum; Cold Water Gargle; Nursing Care

Outcome Measures

Primary Outcomes (1)

• Severity of Post-Bronchoscopy Sore Throat

  Sore throat severity will be measured using a Visual Analog Scale (VAS), where 0 represents 'no pain' and 10 represents 'the most severe pain imaginable.' Higher scores indicate greater pain severity.

  Baseline (pre-procedure), 2nd hour, and 24th hour post-procedure.

Secondary Outcomes (2)

• Severity of Post-Bronchoscopy Dysphagia

  Baseline (pre-procedure), 2nd hour, and 24th hour post-procedure.

• Patient Satisfaction Level

  2nd hour and 24th hour post-procedure.

Study Arms (3)

Chewing Gum Group

EXPERIMENTAL

Patients in this group will chew sugar-free xylitol gum for 15 minutes immediately before bronchoscopy.

Behavioral: Chewing Gum

Cold Water Gargle Group

EXPERIMENTAL

Patients in this group will gargle with cold water (8-12°C) twice for 30 seconds each, 15 minutes before bronchoscopy.

Behavioral: Cold Water Gargle

Control Group

NO INTERVENTION

Patients in this group will receive standard care without additional interventions.

Interventions

Cold Water Gargle BEHAVIORAL

Patients will gargle with cold water (8-12°C) twice for 30 seconds each, 15 minutes before the bronchoscopy procedure.

Cold Water Gargle Group

Chewing Gum BEHAVIORAL

Patients will chew sugar-free xylitol gum for 15 minutes immediately before the bronchoscopy procedure

Chewing Gum Group

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Being 18 years of age or older
• Having a scheduled diagnostic bronchoscopy
• Having normal speech and swallowing functions
• Being conscious and able to communicate
• Volunteering to participate in the study

You may not qualify if:

• Complications during bronchoscopy
• Gastroesophageal reflux
• Use of non-steroidal anti-inflammatory drugs
• Receiving steroid treatment within 1 week prior to the procedure
• Active infection or disease in the mouth or throat area
• History of allergy or intolerance to the procedure
• Previous anatomical or functional impediment to chewing gum or gargling

Sponsors & Collaborators

• Ankara University: lead

Study Sites (1)

Gulhane Training and Research Hospital

Ankara, 06010, Turkey (Türkiye)

RECRUITING

MeSH Terms

Conditions

Pharyngitis; Deglutition Disorders; Patient Satisfaction

Interventions

Chewing Gum

Condition Hierarchy (Ancestors)

Respiratory Tract Infections; Infections; Pharyngeal Diseases; Stomatognathic Diseases; Respiratory Tract Diseases; Otorhinolaryngologic Diseases; Esophageal Diseases; Gastrointestinal Diseases; Digestive System Diseases; Treatment Adherence and Compliance; Health Behavior; Behavior

Intervention Hierarchy (Ancestors)

Plant Gums; Biopolymers; Polymers; Macromolecular Substances; Polysaccharides; Carbohydrates; Plant Exudates; Biological Products; Complex Mixtures; Candy; Food; Diet, Food, and Nutrition; Physiological Phenomena; Food and Beverages

Study Officials

• neriman yükseltürk şimşek

  ankara u

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Neriman Yükseltürk Şimşek, PHD

CONTACT

0312 3042242; nerimansimsek@ankara.edu.tr

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Masking Details: Patients are blinded to their group assignment and study hypotheses. Researchers administering the interventions are not blinded.
• Purpose: SUPPORTIVE CARE
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor

Model Details: This is a three-arm, randomized, parallel-group study comparing two interventions (chewing gum and cold water gargle) with a standard care control group

Study Record Dates

• First Submitted: April 2, 2026
• First Posted: April 8, 2026
• Study Start: November 10, 2025
• Primary Completion: May 11, 2026
• Study Completion: May 11, 2026
• Last Updated: April 13, 2026

Record last verified: 2026-04

Data Sharing

• IPD Sharing: Will not share

Locations

TU (1)