Esophageal squamous cell carcinoma and achalasia
Conditions
Interventions
None listed
Sponsors
Graduate School of Medical and Dental Sciences, Niigata University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. The patient who is older than 18 when the informed consent is obtained. 2. The patient who is diagnosed with achalasia or esophageal squamous cell carcinoma and is going to undergo endoscopic treatment in our hospital. 3. The performance status of the patients is 0, 1, or 2. 4. The patient whose informed consent is obtained.
Exclusion criteria
Exclusion criteria: 1. The patient who is pregnant or performing breast feeding. 2. The patient who was registered in this study before. 3. The patient who has risks for bleeding after esophageal biopsy. 4. The patient who underwent gastrectomy before. 5. The patient who had past histories of cervical cancer or esophageal cancer treated by radiation. 6. The patient who are being treated for cancers in other organs 7. The patients who are judged by the investigators to be inappropriate participants in the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The effect of esophageal microbiota on carcinogenesis of esophageal squamous cell carcinoma in patients with achalasia | — |
Secondary
| Measure | Time frame |
|---|---|
| Esophageal microbiota before and after per-oral endoscopic myotomy in patients with achalasia. Comparison of esophageal microbiota between the patients with esophageal squamous cell carcinoma and the patients with achalasia | — |
Countries
Japan
Contacts
Public ContactKazuya Takahashi
Graduate School of Medical and Dental Sciences, Niigata University Division of Gastroenterology and Hepatology
Outcome results
None listed