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Non-endoscopic Brushing of the Esophagus Using a Non-endoscopic Inflatable Balloon of the Esophagus in Screening for Barrett Esophagus

Office Based Screening Test for Barrett's Esophagus

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02451124
Enrollment
156
Registered
2015-05-21
Start date
2015-07-31
Completion date
2017-01-29
Last updated
2019-11-06

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

Conditions

Barrett Esophagus

Keywords

Barrett, Cancer, Screening

Brief summary

This pilot clinical trial studies non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus in screening for Barrett esophagus, a condition where the lining of the esophagus has changed or been replaced with abnormal cells that may lead to cancer. The non-endoscopic inflatable balloon for the esophagus is a capsule balloon that brushes against the walls of the esophagus to collect esophageal samples. Non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus may help doctors find Barrett esophagus sooner, when it may be easier to treat.

Detailed description

PRIMARY OBJECTIVES: I. To determine acceptability of non-endoscopic balloon brushing of esophagus. II. To demonstrate successful performance of the methylation of vimentin (mVIM) assay in balloon brushings from subjects with and without Barrett's Esophagus (BE). III. To examine molecular and histological factors that might lead to false negative and false positive mVIM assays in BE screening. IV. To assay additional methylated deoxyribonucleic acid (DNA) biomarkers that might improve the sensitivity and specificity of mVIM in balloon brushings. OUTLINE: Patients undergo non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus over 30-60 minutes followed by a standard esophagogastroduodenoscopy (EGD). After completion of study, patients with serious adverse events are followed up until resolution, stabilization, or until it has been determined that the study treatment or participation is not the cause.

Interventions

DEVICEnon-endoscopic inflatable balloon for the esophagus

Undergo non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus

OTHERQuestionnaire Administration

Ancillary studies

OTHERLaboratory Biomarker Analysis

Correlative studies

PROCEDUREesophagogastroduodenoscopy

Standard of care, patients digestive tract scoped post balloon brushing

Sponsors

National Cancer Institute (NCI)
CollaboratorNIH
Case Comprehensive Cancer Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SCREENING
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Patients are undergoing clinically indicated esophagogastroduodenoscopy (EGD) * Patients can provide informed consent * Patients have no known coagulopathy and no known history of esophageal varices

Exclusion criteria

* Patients are not undergoing clinically indicated EGD * Patients have known coagulopathies or history of esophageal varices * Patients do not have the ability to give informed consent

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyAt completion of study procedure (up to 60 minutes)Mean tolerance score as assessed by 'tolerance survey' with scores ranging from 0 to 50 with higher scores indicating worse tolerance of interventional balloon device. Subscales include anxiety, pain, choking, gagging, and overall tolerance, with each domain scores ranging from 0 to 10, with higher scores indicating worse tolerance of interventional balloon device.
Sensitivity of the mVIM Assay in Balloon Brushings From Participants With BEUp to 1 yearSensitivity of the mVIM assay in balloon brushings from participants with BE as measured by true positives determined by biomarker (mVIM and mCCNA1) analyses of corresponding esophageal balloon derived samples compared to initial diagnosis. The presence of at least 1% of methylated VIM in DNA extracted from the esophageal sampling balloon will be considered a positive assay.
Specificity of the mVIM Assay in Balloon Brushings From Control Participants With no BE DiagnosisUp to 1 yearSpecificity of the mVIM assay in balloon brushings from control subjects with BE as measured by true negatives determined by biomarker (mVIM and mCCNA1) analyses of corresponding esophageal balloon derived samples compared to initial control status. The presence of at least 1% of methylated VIM in DNA extracted from the esophageal sampling balloon will be considered a positive assay.
Average Methylation of Methylated Beta-1,3-glucuronyltransferase 2 AssaysUp to 7 monthsAverage methylation of methylated beta-1,3-glucuronyltransferase 2 assays
Performance of the mVIM Assay in Balloon Brushings From Subjects Without BEUp to 7 monthsPerformance of the mVIM assay in balloon brushings from subjects without BE
Average Methylation of Zinc Finger Protein 793 AssayUp to 7 monthsAverage methylation of zinc finger protein 793 assay

Countries

United States

Participant flow

Participants by arm

ArmCount
Screening: Non-endoscopic Inflatable Balloon for the Esophagus
Patients undergo non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus over 30-60 minutes followed by a standard esophagogastroduodenoscopy. Questionnaire administration will provide self-reported data on patient experiences. laboratory biomarker analysis of biopsy will confirm diagnosis. non-endoscopic inflatable balloon for the esophagus: Undergo non-endoscopic brushing of the esophagus using a non-endoscopic inflatable balloon for the esophagus Questionnaire Administration: Ancillary studies Laboratory Biomarker Analysis: Correlative studies esophagogastroduodenoscopy: Standard of care, patients digestive tract scoped post balloon brushing
156
Total156

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyWithdrawal by Subject1

Baseline characteristics

CharacteristicScreening: Non-endoscopic Inflatable Balloon for the Esophagus
Age, Customized
20-29
2 Participants
Age, Customized
30-39
4 Participants
Age, Customized
40-49
10 Participants
Age, Customized
50-59
36 Participants
Age, Customized
60-69
45 Participants
Age, Customized
70-79
39 Participants
Age, Customized
80-89
11 Participants
Age, Customized
90-99
1 Participants
Age, Customized
Unknown
8 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
22 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
133 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
4 Participants
Race (NIH/OMB)
Black or African American
19 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
7 Participants
Race (NIH/OMB)
White
126 Participants
Region of Enrollment
United States
156 participants
Sex/Gender, Customized
Female
48 Participants
Sex/Gender, Customized
Male
107 Participants
Sex/Gender, Customized
Unknown
1 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 156
other
Total, other adverse events
0 / 156
serious
Total, serious adverse events
0 / 156

Outcome results

Primary

Average Methylation of Methylated Beta-1,3-glucuronyltransferase 2 Assays

Average methylation of methylated beta-1,3-glucuronyltransferase 2 assays

Time frame: Up to 7 months

Population: Data not collected

Primary

Average Methylation of Zinc Finger Protein 793 Assay

Average methylation of zinc finger protein 793 assay

Time frame: Up to 7 months

Population: Data not collected

Primary

Number of Participants Reporting Each Category of Tolerance Assessed by the Tolerance Survey

Mean tolerance score as assessed by 'tolerance survey' with scores ranging from 0 to 50 with higher scores indicating worse tolerance of interventional balloon device. Subscales include anxiety, pain, choking, gagging, and overall tolerance, with each domain scores ranging from 0 to 10, with higher scores indicating worse tolerance of interventional balloon device.

Time frame: At completion of study procedure (up to 60 minutes)

Population: Participants who were successfully able to swallow the device

ArmMeasureGroupValue (NUMBER)
Low DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyAnxiety96 number of participants
Low DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyGagging66 number of participants
Low DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyChoking105 number of participants
Low DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyOverall tolerance92 number of participants
Low DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyPain121 number of participants
Intermediate DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyChoking22 number of participants
Intermediate DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyAnxiety31 number of participants
Intermediate DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyPain7 number of participants
Intermediate DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyGagging58 number of participants
Intermediate DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyOverall tolerance36 number of participants
High DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyOverall tolerance0 number of participants
High DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyGagging4 number of participants
High DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyAnxiety1 number of participants
High DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyChoking1 number of participants
High DiscomfortNumber of Participants Reporting Each Category of Tolerance Assessed by the Tolerance SurveyPain0 number of participants
Primary

Performance of the mVIM Assay in Balloon Brushings From Subjects Without BE

Performance of the mVIM assay in balloon brushings from subjects without BE

Time frame: Up to 7 months

Population: Data not collected

Primary

Sensitivity of the mVIM Assay in Balloon Brushings From Participants With BE

Sensitivity of the mVIM assay in balloon brushings from participants with BE as measured by true positives determined by biomarker (mVIM and mCCNA1) analyses of corresponding esophageal balloon derived samples compared to initial diagnosis. The presence of at least 1% of methylated VIM in DNA extracted from the esophageal sampling balloon will be considered a positive assay.

Time frame: Up to 1 year

Population: Evaluable Cases. Cases are participants with diagnosed BE. Some cases not evaluable because of failure to swallow device, failure to obtain adequate DNA from balloon tips, or other exclusionary reasons.

ArmMeasureValue (NUMBER)
Low DiscomfortSensitivity of the mVIM Assay in Balloon Brushings From Participants With BE88 % sensitivity
Primary

Specificity of the mVIM Assay in Balloon Brushings From Control Participants With no BE Diagnosis

Specificity of the mVIM assay in balloon brushings from control subjects with BE as measured by true negatives determined by biomarker (mVIM and mCCNA1) analyses of corresponding esophageal balloon derived samples compared to initial control status. The presence of at least 1% of methylated VIM in DNA extracted from the esophageal sampling balloon will be considered a positive assay.

Time frame: Up to 1 year

Population: Evaluable Controls. Controls were evaluable participants with with no diagnosed disease. Some controls not evaluable because of failure to swallow device, failure to obtain adequate DNA from balloon tips, or other exclusionary reasons.

ArmMeasureValue (NUMBER)
Low DiscomfortSpecificity of the mVIM Assay in Balloon Brushings From Control Participants With no BE Diagnosis92 % specificity

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026