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The safety and efficacy of vitamin C solution combined with sodium bicarbonate in relieving discomfort after Lugol chromoendoscopy: a prospective, multicenter trial

Vitamin C solution combined with sodium bicarbonate for relieve discomfort after Lugol chromoendoscopy

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200058315
Enrollment
Unknown
Registered
2022-04-05
Start date
2022-03-30
Completion date
Unknown
Last updated
2023-12-19

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

Conditions

esophageal lesion

Interventions

Group 1:5% sodium thiosulfate solution
Group 2:2% vitamin C solution
Group 3:2% vitamin C + 1% sodium thiosulfate solution

Sponsors

The First Affiliated Hospital with Nanjing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
45 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Aged between 45 and 75 years, regardless of gender; 2. The patient needs to undergo ordinary gastroscopy; 3. Sign the informed consent form and agree to follow the test requirements.

Exclusion criteria

Exclusion criteria: 1. Pregnant or lactating patients; 2. Patients with other serious diseases, such as heart disease, severe liver and kidney diseases, malignant tumors, etc.; 3. Patients who have received chemoradiotherapy; 4. Patients with bleeding, perforation, pyloric obstruction, and discomfort events or potential risks associated with cancer; 5. Patients with mental disorders or severe neurosis; 6. Patients with gastroesophageal reflux disease, reflux esophagitis, Barrett's esophagus, esophageal cancer, esophageal varices or esophageal ulcers; 7. Patients with biopsy contraindications; 8. Allergy to iodine, vitamin C, sodium thiosulfate and sodium bicarbonate.

Design outcomes

Primary

MeasureTime frame
Mucosal irritation symptoms;

Secondary

MeasureTime frame
Iodine fading effect;

Countries

China

Contacts

Public ContactZhang Guoxin
guoxinz@njmu.edu.cn+86 13951913128

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026