Clinical trials: Narrow-band Imaging
Colonoscopy, Adenomatous Polyp
A Prospective, Single Blinded Study for Predicting Colon Polyp Histology With Narrow Band Imaging
The investigators hypothesize that NBI will have a high accuracy in predicting polyp histology real time during a colonoscopy by visualization of the surface mucosal and vascular patterns.
- Conditions
- Colonoscopy, Adenomatous Polyp, Neoplastic
- Trial name
- NBI (NCT00613262)
- Testing
- Narrow Band Imaging
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Midwest Biomedical Research
Colorectal Cancer Screening
Comparison of Transparent Retractable Extension Device and Narrow Band Imaging on Colorectal Adenoma Detection
The investigators previously reported that colonoscopy with a transparent retractable extension (TRE) device improved the adenoma detection rate without affecting intubation and withdrawal times.
- Trial name
- NCT00765180
- Testing
- TRE vs. NBI
- Where
- Japan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Showa Inan General Hospital
Adenoma
Narrow Band Versus Conventional Endoscopic Imaging for Screening Colonoscopy
Narrow Band Imaging (NBI) with high-definition (HDTV) visualization has been implemented into GI endoscopy with the purpose to better highlight endoluminal pathological structures by improving their contrast.
- Trial name
- BECOP-2 (NCT00633620)
- Testing
- Olympus NBI colonoscope 180 HDTV narrow band imaging (diagnostic test)
- Where
- Germany
- Volunteers
- 1,250 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Adenoma and Polyp Detection Rates
Water Exchange With Narrow Band Imaging on Adenoma Detection
Colorectal cancer remains the third most common cause of death from cancer worldwide. The adenoma detection rate is correlated with quality of colonoscopy and risk of postcolonoscopy CRC.
- Trial name
- NBI;ADR;WE (NCT03781648)
- Testing
- NBI withdrawal method
- Where
- China
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Yuqi He
Colorectal Neoplasm, Colonic Polyps
Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study
The investigators hypothesize that high definition colonoscopy with close focus narrow band imaging features has a high diagnostic accuracy for colorectal polyp histology, and can replace formal pathologic assessment in cases of…
- Trial name
- VALID (NCT01288833)
- Testing
- Close focus HD NBI Colonoscopy System
- Where
- 2 sites in United States
- Volunteers
- 558 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Urinary Bladder Neoplasms
Narrow-band Imaging Diagnostic Classification System for Bladder Tumors
The goal of this observational study is to learn about the morphological characteristics of different bladder lesions under narrow-band imaging(NBI) techniques in All patients requiring cystoscopy and biopsy.
- Trial name
- NBI (NCT05611762)
- Where
- China
- Volunteers
- 1,064 people, healthy volunteers welcome
- Sponsor
- Qilu Hospital of Shandong University (Qingdao)
Colorectal Neoplasms
Chromoendoscopy or Narrow Band Imaging (NBI) for Improving Adenoma Detection in Colonoscopy
Narrow band imaging or electronic chromoendoscopy might provide similar adenoma detection capabilities while limiting time spent when compared to conventional chromoendoscopy method.
- Trial name
- NCT04192929
- Testing
- Narrow band imaging, Chromoendoscopy, High definition white light endoscopy
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Indiana University
Colon Cancer, Colon Sessile Serrated Adenoma/Polyp
Narrow Band Imaging Versus White Light for Colonoscopy Serrate Lesions Detection
Colorectal cancer (CRC) is a leading cause of cancer death and its' incidence is rising in most European countries. Colonoscopy has been shown to reduce CRC incidence, however its effectiveness depends on the sensitivity to…
- Trial name
- NCT02876133
- Testing
- narrow band imaging withdrawal, white light withdrawal
- Where
- 3 sites in Portugal
- Volunteers
- 987 people, healthy volunteers welcome
- Sponsor
- Hospital Beatriz Ângelo
Gastroesophageal Reflux Disease
Narrow-band Imaging, Autofluorescence Imaging and Gastroesophageal Reflux Disease
Aim of this study is to compare the efficacy of narrow band imaging (NBI) and autofluorescence imaging (AFI) to distinguish subtle mucosal change related to acid reflux that is not visible in standard white light imaging (WLI)…
- Trial name
- NCT01504971
- Testing
- symptom questionaire, pH monitoring, Tri-modal imaging endoscopy
- Where
- China
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital
Routine Endoscopy
Study Comparing Flexible Spectral-Imaging Color Enhancement (FICE) With Olympus Narrow Band Imaging (NBI)
The study is intended to test the image quality of the FICE system to the predicate device, Narrow Band Imaging (NBI). The hypothesis is the images are of equal quality.
- Trial name
- FICE (NCT02005393)
- Testing
- FICE Image Acquisition followed by NBI Image Acquisition
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fujifilm Medical Systems USA, Inc.
Colon Cancer
Narrow-Band Imaging Versus Standard White Light for the Detection of Serrated Lesions in the Proximal Colon
This is a study to determine if using Narrow-Band Imaging of the colon, rather than the usual white light on the colon, will improve the detection of a type of polyp called serrated.
- Trial name
- NCT01572428
- Testing
- Inspection with Narrow-Band Imaging(NBI), Standard White Light
- Where
- United States
- Volunteers
- 898 people, healthy volunteers welcome
- Sponsor
- Indiana University
Narrow Band Imaging
Comparison of ADR Using NBI Versus HD White Light Colonoscopy in Screening and Surveillance Colonoscopies
The aim of this study is to compare ADR using HD-NBI or HD-WLE during screening and surveillance colonoscopies.
- Trial name
- NCT03081975
- Testing
- HD white light or NBI
- Where
- Germany
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Jena University Hospital
Colon Polyps
Colorectal Polyp Discrimination Using High-Definition Narrow Band Imaging
The investigators seek to compare the accuracy of the existing colonoscope model to determine the magnitude of the improvement the investigators can expect in polyp discrimination as neoplastic or non-neoplastic.
- Trial name
- NCT01354873
- Where
- United States
- Volunteers
- 556 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Polyp of Large Intestine
Cold Snare Polypectomy Vs. Cold Forceps Polypectomy Using Narrow-band Imaging Endoscopy for Removal of Diminutive Colorectal Polyps
The purpose of this study is to compare cold snare polypectomy and cold forceps polypectomy using narrow-band imaging endoscopy for removal of diminutive colorectal polyps.
- Trial name
- NCT02201147
- Testing
- Cold biopsy polypectomy, Cold snare polypectomy
- Where
- South Korea
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Soonchunhyang University Hospital
Barrett Esophagus
Impact of NBI on Patients Undergoing Endoscopic Eradication Therapy
This study tests the impact of narrow band imaging (NBI) on endoscopists' accurate detection of visible lesions and dysplasia in patients with Barrett's esophagus, as well as the effect of NBI on the choice of primary treatment…
- Trial name
- NCT03191604
- Testing
- Video intervention
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Colonic Polyps, Adenomatous Polyps
Practice-Based Learning to Predict Polyp Histology at Colonoscopy
Most colorectal cancers arise from polyps. Most polyps removed at colonoscopy are small. New technologies such as narrowband imaging (NBI) offer the possibility of in differentiation between precancerous and unimportant small…
- Trial name
- NCT01638091
- Testing
- Ex vivo module, In vivo practice-base learning phase
- Where
- 2 sites in United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Stanford University
Early Gastric Cancer
the Train the Trainer (TTT) Plan, to Improve the Young Endoscopist's Ability to Find the Early Gastric Cancer
AIM Verified if the first stage of the Train the trainer (TTT)plan could improve the young endoscopist's ability to detect the early gastric cancer(EGC). METHOD 1.
- Trial name
- NCT02385578
- Testing
- an educational intervention
- Volunteers
- 16,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Colon Polyps
Detection and Classification of Colon Polyps
Colon cancer is the third most common cancer in western society. To prevent colon cancer it is recommended for people to undergo a screening colonoscopy at the age of fifty.
- Trial name
- NCT00825292
- Testing
- Polp removal and identification, colon polyp removal, ETMI colonoscope (ETMI scope is a FDA approved device)
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Mild Dysplasia of Esophagus, Moderate Dysplasia of Esophagus
Performance of White Light, NBI and Iodine Staining Endoscopy in the Diagnosis of Esophageal Lesions
The investigators aim to evaluate the performance of Narrow Band Imaging (NBI) endoscopy in Esophageal Squamous Cell Carcinoma (ESCC) screening, as compared to the currently used White Light Endoscopy (WLE) and Lugol's Iodine…
- Conditions
- Mild Dysplasia of Esophagus, Moderate Dysplasia of Esophagus, Severe Dysplasia of Esophagus, Carcinoma in Situ of Esophagus
- Trial name
- NCT04170257
- Testing
- Endoscopic examination using white light, NBI and iodine staining
- Where
- 5 sites in China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Peking University Cancer Hospital & Institute
Colorectal Neoplasms, Colonic Polyps
Study of Flat Polyp Detection Using New Narrow Band Imaging (NBI) Compared to White Light Colonoscopy - The FIND FLAT Colonoscopy Study
We hypothesize that high definition narrow band imaging (NBI) colonoscopy compared to high definition white light colonoscopy will detect an increased number of nonpolypoid (flat and depressed) colorectal neoplasm.
- Conditions
- Colorectal Neoplasms, Colonic Polyps, Colorectal Cancer
- Trial name
- NBI (NCT01310699)
- Testing
- Olympus Colonoscope CFHQ190AL
- Where
- 3 sites in United States
- Volunteers
- 281 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System