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Study identifier: NCT07245095 Synced from ClinicalTrials.gov · July 28, 2026
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Premedication With N-acetylcysteine and Simethicone to Improve Mucosal Visualization in Elective Upper Endoscopy

Condition: Esophagogastroduodenoscopy · Simethicone · N-Acetylcysteine  ·  Sponsor: Hospital General de Mexicali

PhasePhase 2
Planned participants132
Who can joinAll sexes, 18 Years to 99 Years
Healthy volunteersYes

About this study

The goal of this randomized, double-blind, placebo-controlled clinical trial is to assess whether the combination of N-acetylcysteine and simethicone improves mucosal visibility during upper gastrointestinal endoscopy in adults aged 18 to 99 years of both sexes, including both healthy individuals and those with non-bleeding gastrointestinal symptoms. The main questions this study aims to answer are: Does pre-endoscopy administration of N-acetylcysteine/simethicone improve mucosal visualization based on the Toronto Upper Gastrointestinal Cleanliness Score (TUGS)? Is this combination safe and well tolerated in this patient population? Researchers will compare patients receiving N-acetylcysteine (600 mg) and simethicone (100 mg) orally 20-60 minutes before the procedure with those receiving placebo (water) to determine if there is a significant improvement in TUGS scores. Participants will: Receive a single oral dose of either N-acetylcysteine/simethicone or placebo prior to endoscopy Undergo a routine upper GI endoscopy Have mucosal cleanliness evaluated using the TUGS scoring system Be monitored for any adverse events or intolerance

This description comes directly from the study's public registry record.

Talk to the study team

Luis Andre Sanchez Perez, Resident  ·  + 52 6863468689  ·  sanchez.luis3@uabc.edu.mx

Jesus Alberto Camacho Escobedo, Gastroenterologist  ·  + 52 6862146050  ·  jesus13camacho@hotmail.com

Always discuss trial participation with your own doctor first.

Locations (2)

Hospital AlmaterMexicali, Estado de Baja California, MexicoRecruiting
Hospital General de MexicaliMexicali, Estado de Baja California, MexicoRecruiting

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Source record: clinicaltrials.gov/study/NCT07245095