Trial Outcomes & Findings for The Impact of Adjuvant Liquid Alginate on Endoscopic Ablation Therapy of Complicated Barrett's Esophagus (NCT NCT03193216)

NCT ID: NCT03193216

Last Updated: 2023-03-08

Results Overview

To compare the percentage of patients who achieved complete endoscopic eradication of dysplastic Barrett's Esophagus(BE) and non-dysplastic BE with the combination of PPI and liquid alginate solution vs. those treated with PPI alone within eighteen months from the start of treatment.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

24 participants

Primary outcome timeframe

18 months

Results posted on

2023-03-08

Participant Flow

This study had two groups. An active group with participants receiving alginate along with EET treatment and a historical control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus who had EET treatment from 2017 to 2020. All patients in the historical group were treated by the same expert endoscopists included in the study and were on twice a day PPI therapy alone. Patients were matched by age, race, and length of BE.

Participant milestones

Participant milestones
Measure
Alginate Group
Patients in this group will be taking the study medication -- alginate solution in addition to standard of care twice daily proton pump inhibitor therapy Alginates: Liquid Alginate therapy will be added to twice daily PPI regimen. Patients will be asked to take the alginate solution four times daily (following meals and at bedtime) at 10ml/dose.
Historical Control Group
A control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus undergoing EET treatment from 2017 to 2020 were collected.
Overall Study
STARTED
24
21
Overall Study
COMPLETED
14
21
Overall Study
NOT COMPLETED
10
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Alginate Group
Patients in this group will be taking the study medication -- alginate solution in addition to standard of care twice daily proton pump inhibitor therapy Alginates: Liquid Alginate therapy will be added to twice daily PPI regimen. Patients will be asked to take the alginate solution four times daily (following meals and at bedtime) at 10ml/dose.
Historical Control Group
A control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus undergoing EET treatment from 2017 to 2020 were collected.
Overall Study
Lost to Follow-up
1
0
Overall Study
Withdrawal by Subject
5
0
Overall Study
Physician Decision
4
0

Baseline Characteristics

The Impact of Adjuvant Liquid Alginate on Endoscopic Ablation Therapy of Complicated Barrett's Esophagus

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Alginate Group
n=24 Participants
Patients in this group will be taking the study medication -- alginate solution in addition to standard of care twice daily proton pump inhibitor therapy Alginates: Liquid Alginate therapy will be added to twice daily PPI regimen. Patients will be asked to take the alginate solution four times daily (following meals and at bedtime) at 10ml/dose.
Historical Control Group
n=21 Participants
A control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus undergoing EET treatment from 2017 to 2020 were collected.
Total
n=45 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
12 Participants
n=5 Participants
10 Participants
n=7 Participants
22 Participants
n=5 Participants
Age, Categorical
>=65 years
12 Participants
n=5 Participants
11 Participants
n=7 Participants
23 Participants
n=5 Participants
Age, Continuous
61.1 years
n=5 Participants
64.9 years
n=7 Participants
63 years
n=5 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
5 Participants
n=7 Participants
8 Participants
n=5 Participants
Sex: Female, Male
Male
21 Participants
n=5 Participants
16 Participants
n=7 Participants
37 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
24 Participants
n=5 Participants
21 Participants
n=7 Participants
45 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
White
22 Participants
n=5 Participants
21 Participants
n=7 Participants
43 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
24 participants
n=5 Participants
21 participants
n=7 Participants
45 participants
n=5 Participants

PRIMARY outcome

Timeframe: 18 months

To compare the percentage of patients who achieved complete endoscopic eradication of dysplastic Barrett's Esophagus(BE) and non-dysplastic BE with the combination of PPI and liquid alginate solution vs. those treated with PPI alone within eighteen months from the start of treatment.

Outcome measures

Outcome measures
Measure
Alginate Group
n=14 Participants
Patients in this group will be taking the study medication -- alginate solution in addition to standard of care twice daily proton pump inhibitor therapy Alginates: Liquid Alginate therapy will be added to twice daily PPI regimen. Patients will be asked to take the alginate solution four times daily (following meals and at bedtime) at 10ml/dose.
Historical Control Group
n=21 Participants
A control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus undergoing EET treatment from 2017 to 2020 were collected.
Percentage of Patients With Successful Eradication
Percentage of patients with eradication of dysplasia
45.5 percentage of participants
38.1 percentage of participants
Percentage of Patients With Successful Eradication
Percentage of patients with eradication of all Barretts (dysplasic and non-dysplastic)
36.4 percentage of participants
19.04 percentage of participants

SECONDARY outcome

Timeframe: 18 months

To compare the number of treatment sessions required to achieve endoscopic eradication of dysplastic BE and complete eradication of all BE (dysplastic and non-dysplastic) in patients treated with the combination of PPI and liquid alginate solution vs. those treated with PPI alone.The minimum number of treatments would be 1 and maximum number of treatments in the 18 month period is 8.

Outcome measures

Outcome measures
Measure
Alginate Group
n=14 Participants
Patients in this group will be taking the study medication -- alginate solution in addition to standard of care twice daily proton pump inhibitor therapy Alginates: Liquid Alginate therapy will be added to twice daily PPI regimen. Patients will be asked to take the alginate solution four times daily (following meals and at bedtime) at 10ml/dose.
Historical Control Group
n=21 Participants
A control group comprised of a historical cohort of patients with dysplastic Barrett's esophagus undergoing EET treatment from 2017 to 2020 were collected.
Number of Treatments (Mean)
Average number of treatments to achieve eradication of all Barrett's (dysplastic and non-dysplastic)
3.75 number of treatment sessions
Interval 1.0 to 8.0
5 number of treatment sessions
Interval 1.0 to 8.0
Number of Treatments (Mean)
Average number of treatments to achieve eradication of dysplasia
3.1 number of treatment sessions
Interval 1.0 to 8.0
3.88 number of treatment sessions
Interval 1.0 to 8.0

Adverse Events

Alginate Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Historical Control Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Puja Elias, Associate Professor, PI for study

Medical University of South Carolina

Phone: 8438764269

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place