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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05818072
Other study ID # EDAHS-111031
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 13, 2023
Est. completion date December 31, 2026

Study information

Verified date May 2023
Source E-DA Hospital
Contact Ying-Nan Tsai, M.D
Phone 886-7-6150011
Email littlepig9933@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Detections of goblet cells and dysplasia are crucial for diagnosis and determining the surveillance program of Barrett's esophagus (BE). However, the optimal biopsy numbers and their yield rates of intestinal metaplasia (IM) and dysplasia are still uncertain, especially in Asia. The aim of this study was to determine the optimal biopsy protocol of BE.


Description:

Barrett's esophagus (BE) is premalignant lesion for esophageal adenocarcinoma (EAC) and defined as the distal esophageal squamous epithelium replaced by columnar epithelium with histologic confirmation of intestinal metaplasia (IM). The accurate prevalence of BE is difficult to assess because part of people with BE are asymptomatic. However, the prevalence of gastroesophageal reflux disease (GERD) which is the main factor associated with BE has increased almost 50% during the last 20 years. Meanwhile, the general population prevalence of BE is estimated to increase to 3-10% in Western countries. The systematic review and meta-analysis also reported an upward trend in prevalence of BE in Asian countries. BE is an important heathy issue to investigate in either Western or Asian countries. The annual rate of developing esophageal adenocarcinoma is around 0.2% to 0.5% in patients with BE. However, the annual adenocarcinoma progression risk is different between the non-dysplastic Barrett's esophagus (NDBE), BE with low-grade dysplasia (LGD) and high-grade dysplasia (HGD). The annual incidence of esophageal adenocarcinoma is 0.33%, 0.54% and 6.58% in patients with NDBE, BE with LGD and HGD, respectively. Among patients with NDBE, patients with short segment BE (SSBE) have the lower rate of progression to EAC than those who with long segment BE (LSBE) (0.07% vs 0.25%). Therefore, endoscopic surveillance of patients with BE is recommended by clinical practice guideline. Detections of goblet cells and dysplasia are crucial for diagnosis and determining the surveillance program of BE. According to the Seattle protocol which has been widely recommended by clinical practice guidelines, biopsy specimens should be obtained every one cm to two cm interval across the four quadrants of the columnar epithelium of esophagus. Fewer endoscopists adhered to this protocol in clinical practice because of its laboriousness and time consumption. Most of patients with BE were categorized as SSBE and SSBE seems to be more prevalent in Asian populations. As the report of previous study which reviewed the general prevalence of BE in Western and Asian general populations, the ratio of SSBE to LSBE was ranging from 1.8 to 17.4 in the Western countries and 1.7 to 103 in the Asian countries. It's more difficult to adhere to the protocol in patients with SSBE. However, the optimal biopsy numbers and their yield rates of IM and dysplasia are still uncertain, especially in Asia. The investigators aimed to assess the biopsy numbers and yield rates of IM and dysplasia in patients with columnar-lined esophagus (CLE) to determine the optimal biopsy protocol.


Recruitment information / eligibility

Status Recruiting
Enrollment 165
Est. completion date December 31, 2026
Est. primary completion date December 31, 2025
Accepts healthy volunteers No
Gender All
Age group 20 Years and older
Eligibility Inclusion Criteria: - Adults with columnar-lined esophagus Exclusion Criteria: - A prior history of endoscopic treatment for Barrett's Esophagus - A prior history of upper gastrointestinal malignancy - A prior history of total or subtotal gastrectomy - Esophageal varices noted during the procedure - Uncontrolled coagulopathy - Taking antiplatelet drug or anticoagulant

Study Design


Intervention

Procedure:
One biopsy
To do one biopsy at the proximal part of the longest columnar-lined esophagus.
Three biopsy
To do three biopsy at the proximal, middle and distal part of the longest columnar-lined esophagus.
Seattle protocol
To do 4-quadrant biopsy every 1-2 cm at the esophagogastric junction. Seattle protocol has been considered as the gold standard biopsy protocol for patients with suspected Barrett's Esophagus.
Device:
Endoscopy
The participants will receive meticulous endoscopic examination with narrow-band imaging.

Locations

Country Name City State
Taiwan E-DA Hospital Kaohsiung City

Sponsors (1)

Lead Sponsor Collaborator
E-DA Hospital

Country where clinical trial is conducted

Taiwan, 

References & Publications (12)

Abrams JA, Kapel RC, Lindberg GM, Saboorian MH, Genta RM, Neugut AI, Lightdale CJ. Adherence to biopsy guidelines for Barrett's esophagus surveillance in the community setting in the United States. Clin Gastroenterol Hepatol. 2009 Jul;7(7):736-42; quiz 71 — View Citation

Desai TK, Krishnan K, Samala N, Singh J, Cluley J, Perla S, Howden CW. The incidence of oesophageal adenocarcinoma in non-dysplastic Barrett's oesophagus: a meta-analysis. Gut. 2012 Jul;61(7):970-6. doi: 10.1136/gutjnl-2011-300730. Epub 2011 Oct 13. — View Citation

Fitzgerald RC, di Pietro M, Ragunath K, Ang Y, Kang JY, Watson P, Trudgill N, Patel P, Kaye PV, Sanders S, O'Donovan M, Bird-Lieberman E, Bhandari P, Jankowski JA, Attwood S, Parsons SL, Loft D, Lagergren J, Moayyedi P, Lyratzopoulos G, de Caestecker J; B — View Citation

Hamade N, Vennelaganti S, Parasa S, Vennalaganti P, Gaddam S, Spaander MCW, van Olphen SH, Thota PN, Kennedy KF, Bruno MJ, Vargo JJ, Mathur S, Cash BD, Sampliner R, Gupta N, Falk GW, Bansal A, Young PE, Lieberman DA, Sharma P. Lower Annual Rate of Progres — View Citation

Rastogi A, Puli S, El-Serag HB, Bansal A, Wani S, Sharma P. Incidence of esophageal adenocarcinoma in patients with Barrett's esophagus and high-grade dysplasia: a meta-analysis. Gastrointest Endosc. 2008 Mar;67(3):394-8. doi: 10.1016/j.gie.2007.07.019. E — View Citation

Richter JE, Rubenstein JH. Presentation and Epidemiology of Gastroesophageal Reflux Disease. Gastroenterology. 2018 Jan;154(2):267-276. doi: 10.1053/j.gastro.2017.07.045. Epub 2017 Aug 3. — View Citation

Ronkainen J, Aro P, Storskrubb T, Johansson SE, Lind T, Bolling-Sternevald E, Vieth M, Stolte M, Talley NJ, Agreus L. Prevalence of Barrett's esophagus in the general population: an endoscopic study. Gastroenterology. 2005 Dec;129(6):1825-31. doi: 10.1053 — View Citation

Shaheen NJ, Falk GW, Iyer PG, Souza RF, Yadlapati RH, Sauer BG, Wani S. Diagnosis and Management of Barrett's Esophagus: An Updated ACG Guideline. Am J Gastroenterol. 2022 Apr 1;117(4):559-587. doi: 10.14309/ajg.0000000000001680. — View Citation

Sharma P. Barrett Esophagus: A Review. JAMA. 2022 Aug 16;328(7):663-671. doi: 10.1001/jama.2022.13298. — View Citation

Shiota S, Singh S, Anshasi A, El-Serag HB. Prevalence of Barrett's Esophagus in Asian Countries: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol. 2015 Nov;13(11):1907-18. doi: 10.1016/j.cgh.2015.07.050. Epub 2015 Aug 7. — View Citation

Singh S, Manickam P, Amin AV, Samala N, Schouten LJ, Iyer PG, Desai TK. Incidence of esophageal adenocarcinoma in Barrett's esophagus with low-grade dysplasia: a systematic review and meta-analysis. Gastrointest Endosc. 2014 Jun;79(6):897-909.e4; quiz 983 — View Citation

Tseng PH, Lee YC, Chiu HM, Huang SP, Liao WC, Chen CC, Wang HP, Wu MS, Lin JT. Prevalence and clinical characteristics of Barrett's esophagus in a Chinese general population. J Clin Gastroenterol. 2008 Nov-Dec;42(10):1074-9. doi: 10.1097/MCG.0b013e31809e7 — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary The yield rate of intestinal metaplasia Defined as the proportion of histologic confirmation of goblet cells Up to 7 days histologic confirmation
Secondary The yield rate of dysplasia Defined as the proportion of histologic confirmation of columnar-lined epithelium with dysplasia Up to 7 days histologic confirmation
Secondary Adverse events Including bleeding and perforation From the date of procedure until any events, assessed up to 2 weeks
Secondary Procedure time Defined as from forcep insertion to biopsy complete From forcep insertion to biopsy complete, assessed up to 1 minutes
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