Intraluminal Imaging of Duodenal Layer Morphometry in Patients With and Without Type 2 Diabetes

NCT ID: NCT02688920

Last Updated: 2019-03-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

21 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-03-31

Study Completion Date

2019-02-28

Brief Summary

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This observational study is conducted to determine how the duodenal layer thicknesses (mucosa, submucosa, and muscularis) vary with several factors in patients with and without type 2 diabetes.

Detailed Description

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Study Objectives

1. To assess duodenal layer (mucosa, submucosa and muscularis) thickness differences between patients with and without type 2 diabetes using endoscopic ultrasound (EUS) and optical coherence tomography (OCT).
2. To assess duodenal layer thickness differences between patients with type 2 diabetes.
3. To assess duodenal layer thickness differences as a function of measurement location along the length of the duodenum.
4. To compare measurements obtained by endoscopic ultrasound, to those obtained by optical coherence tomography.

Conditions

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Type 2 Diabetes

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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With T2DM

Subjects with type 2 diabetes.

EUS and OCT imaging

Intervention Type PROCEDURE

Intraluminal imaging using endoscopic ultrasound and endoscopic optical coherence tomography

Without T2DM

Subjects without type 2 diabetes

EUS and OCT imaging

Intervention Type PROCEDURE

Intraluminal imaging using endoscopic ultrasound and endoscopic optical coherence tomography

Interventions

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EUS and OCT imaging

Intraluminal imaging using endoscopic ultrasound and endoscopic optical coherence tomography

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patient is already scheduled for upper endoscopy with ultrasound or OCT, such as those with Barrett's esophagus.
* Patient is willing to sign an informed consent form.

Exclusion Criteria

* Patient is not a candidate for endoscopy, EUS, or OCT, such as those with strictures, inflammatory disease or previous anastomosis of the esophagus or duodenum.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Victoria Gomez

OTHER

Sponsor Role lead

Responsible Party

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Victoria Gomez

Gastroenterologist

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Victoria Gomez, MD

Role: PRINCIPAL_INVESTIGATOR

Mayo Clinic

Locations

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Mayo Clinic in Florida

Jacksonville, Florida, United States

Site Status

Countries

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United States

References

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Buchwald H, Estok R, Fahrbach K, Banel D, Jensen MD, Pories WJ, Bantle JP, Sledge I. Weight and type 2 diabetes after bariatric surgery: systematic review and meta-analysis. Am J Med. 2009 Mar;122(3):248-256.e5. doi: 10.1016/j.amjmed.2008.09.041.

Reference Type BACKGROUND
PMID: 19272486 (View on PubMed)

Nagatake T, Fujita H, Minato N, Hamazaki Y. Enteroendocrine cells are specifically marked by cell surface expression of claudin-4 in mouse small intestine. PLoS One. 2014 Mar 6;9(6):e90638. doi: 10.1371/journal.pone.0090638. eCollection 2014.

Reference Type BACKGROUND
PMID: 24603700 (View on PubMed)

Haboubi NY, Lee GS, Montgomery RD. Duodenal mucosal morphometry of elderly patients with small intestinal bacterial overgrowth: response to antibiotic treatment. Age Ageing. 1991 Jan;20(1):29-32. doi: 10.1093/ageing/20.1.29.

Reference Type BACKGROUND
PMID: 2028847 (View on PubMed)

Maluenda C, Phillips AD, Briddon A, Walker-Smith JA. Quantitative analysis of small intestinal mucosa in cow's milk-sensitive enteropathy. J Pediatr Gastroenterol Nutr. 1984 Jun;3(3):349-56. doi: 10.1097/00005176-198406000-00008.

Reference Type BACKGROUND
PMID: 6737178 (View on PubMed)

Rosch T, Lorenz R, Zenker K, von Wichert A, Dancygier H, Hofler H, Siewert JR, Classen M. Local staging and assessment of resectability in carcinoma of the esophagus, stomach, and duodenum by endoscopic ultrasonography. Gastrointest Endosc. 1992 Jul-Aug;38(4):460-7. doi: 10.1016/s0016-5107(92)70477-5.

Reference Type BACKGROUND
PMID: 1511822 (View on PubMed)

Chang KJ, Katz KD, Durbin TE, Erickson RA, Butler JA, Lin F, Wuerker RB. Endoscopic ultrasound-guided fine-needle aspiration. Gastrointest Endosc. 1994 Nov-Dec;40(6):694-9.

Reference Type BACKGROUND
PMID: 7859967 (View on PubMed)

Sivak MV Jr, Kobayashi K, Izatt JA, Rollins AM, Ung-Runyawee R, Chak A, Wong RC, Isenberg GA, Willis J. High-resolution endoscopic imaging of the GI tract using optical coherence tomography. Gastrointest Endosc. 2000 Apr;51(4 Pt 1):474-9. doi: 10.1016/s0016-5107(00)70450-0.

Reference Type BACKGROUND
PMID: 10744825 (View on PubMed)

Gniuli D, Calcagno A, Dalla Libera L, Calvani R, Leccesi L, Caristo ME, Vettor R, Castagneto M, Ghirlanda G, Mingrone G. High-fat feeding stimulates endocrine, glucose-dependent insulinotropic polypeptide (GIP)-expressing cell hyperplasia in the duodenum of Wistar rats. Diabetologia. 2010 Oct;53(10):2233-40. doi: 10.1007/s00125-010-1830-9. Epub 2010 Jun 30.

Reference Type BACKGROUND
PMID: 20585935 (View on PubMed)

Other Identifiers

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15-007742

Identifier Type: -

Identifier Source: org_study_id

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