Trial Outcomes & Findings for ENDObesity® II Study: TransPyloric Shuttle® System for Weight Loss (NCT NCT02518685)

NCT ID: NCT02518685

Last Updated: 2019-07-17

Results Overview

The mean percent Total Body Weight Loss (% TBL) is the percentage weight change at 12 Months from Baseline

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

302 participants

Primary outcome timeframe

12 Months

Results posted on

2019-07-17

Participant Flow

Participant milestones

Participant milestones
Measure
TransPyloric Shuttle (TPS)
TransPyloric Shuttle plus lifestyle counseling
Control
Sham procedure plus lifestyle counseling.
Overall Study
STARTED
213
89
Overall Study
Safety Cohort
203
89
Overall Study
Randomized Cohort
181
89
Overall Study
Enrolled
213
89
Overall Study
Per Protocol Analysis
168
89
Overall Study
COMPLETED
164
79
Overall Study
NOT COMPLETED
49
10

Reasons for withdrawal

Reasons for withdrawal
Measure
TransPyloric Shuttle (TPS)
TransPyloric Shuttle plus lifestyle counseling
Control
Sham procedure plus lifestyle counseling.
Overall Study
Adverse Event
29
1
Overall Study
Withdrawal by Subject
10
3
Overall Study
relocation, study fatigue
7
2
Overall Study
Pregnancy
1
0
Overall Study
Physician Decision
1
0
Overall Study
Lost to Follow-up
1
4

Baseline Characteristics

ENDObesity® II Study: TransPyloric Shuttle® System for Weight Loss

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
TransPyloric Shuttle (TPS)
n=181 Participants
TransPyloric Shuttle plus lifestyle counseling
Control
n=89 Participants
Sham procedure plus lifestyle counseling.
Total
n=270 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
181 Participants
n=5 Participants
89 Participants
n=7 Participants
270 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
43.0 years
STANDARD_DEVIATION 8.9 • n=5 Participants
43.9 years
STANDARD_DEVIATION 8.5 • n=7 Participants
43.3 years
STANDARD_DEVIATION 8.6 • n=5 Participants
Sex: Female, Male
Female
169 Participants
n=5 Participants
83 Participants
n=7 Participants
252 Participants
n=5 Participants
Sex: Female, Male
Male
12 Participants
n=5 Participants
6 Participants
n=7 Participants
18 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
28 Participants
n=5 Participants
12 Participants
n=7 Participants
40 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
153 Participants
n=5 Participants
77 Participants
n=7 Participants
230 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
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
32 Participants
n=5 Participants
13 Participants
n=7 Participants
45 Participants
n=5 Participants
Race (NIH/OMB)
White
131 Participants
n=5 Participants
65 Participants
n=7 Participants
196 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
13 Participants
n=5 Participants
6 Participants
n=7 Participants
19 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=5 Participants
4 Participants
n=7 Participants
6 Participants
n=5 Participants
Region of Enrollment
United States
181 participants
n=5 Participants
89 participants
n=7 Participants
270 participants
n=5 Participants

PRIMARY outcome

Timeframe: 12 Months

The mean percent Total Body Weight Loss (% TBL) is the percentage weight change at 12 Months from Baseline

Outcome measures

Outcome measures
Measure
TransPyloric Shuttle (TPS)
n=168 Participants
TransPyloric Shuttle plus lifestyle counseling TransPyloric Shuttle lifestyle counseling
Control
n=89 Participants
Sham procedure plus lifestyle counseling. lifestyle counseling Sham procedure
Mean Percent Total Body Weight Loss (% TBL) Between the TPS and the Control Group
9.5 % Total Body Weight Loss
Standard Error 0.65
2.8 % Total Body Weight Loss
Standard Error 0.87

PRIMARY outcome

Timeframe: 12 months

Population: Per Protocol Population; received TPS Device

The proportion of subjects in the TPS group with ≥ 5% TBL is compared to a performance target of 50%

Outcome measures

Outcome measures
Measure
TransPyloric Shuttle (TPS)
n=168 Participants
TransPyloric Shuttle plus lifestyle counseling TransPyloric Shuttle lifestyle counseling
Control
Sham procedure plus lifestyle counseling. lifestyle counseling Sham procedure
Proportion of TPS-treated Subjects With Weight Loss ≥ 5% TBL
112 Participants

Adverse Events

TransPyloric Shuttle (TPS)

Serious events: 10 serious events
Other events: 203 other events
Deaths: 0 deaths

Control

Serious events: 1 serious events
Other events: 87 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
TransPyloric Shuttle (TPS)
n=203 participants at risk;n=213 participants at risk
TransPyloric Shuttle plus lifestyle counseling
Control
n=89 participants at risk
Sham procedure plus lifestyle counseling.
Gastrointestinal disorders
esophageal rupture
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Respiratory, thoracic and mediastinal disorders
pneumothorax
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
upper abdominal pain
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastric ulcer
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
vomiting
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
General disorders
device intolerance
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastric obstruction
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Nervous system disorders
cerebrovascular accident
0.00%
0/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
1.1%
1/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Hepatobiliary disorders
cholelithiasis
1.4%
3/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
divericularitis
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
meningioma
0.47%
1/213 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year

Other adverse events

Other adverse events
Measure
TransPyloric Shuttle (TPS)
n=203 participants at risk;n=213 participants at risk
TransPyloric Shuttle plus lifestyle counseling
Control
n=89 participants at risk
Sham procedure plus lifestyle counseling.
Gastrointestinal disorders
nausea
64.5%
131/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
39.3%
35/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
abdominal pain upper
63.1%
128/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
41.6%
37/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
vomiting
62.1%
126/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
15.7%
14/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
dyspepsia
55.7%
113/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
34.8%
31/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
diarrhea
51.7%
105/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
32.6%
29/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
abdominal distension
37.9%
77/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
19.1%
17/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastroesophageal reflux
35.5%
72/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
25.8%
23/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
eructation
33.0%
67/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
10.1%
9/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
constipation
23.2%
47/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
9.0%
8/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastritis, erosive
14.3%
29/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
3.4%
3/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastric mucosa erythema
12.3%
25/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
3.4%
3/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
gastric ulcer
10.3%
21/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
0.00%
0/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
abdominal pain
8.4%
17/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
1.1%
1/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Gastrointestinal disorders
abdominal pain lower
7.4%
15/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
3.4%
3/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Respiratory, thoracic and mediastinal disorders
oropharyngeal pain
36.9%
75/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
49.4%
44/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Infections and infestations
nasopharyngitis
5.9%
12/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
12.4%
11/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Injury, poisoning and procedural complications
esophageal mucosal injury
8.9%
18/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
9.0%
8/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
General disorders
pyrexia
5.9%
12/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
3.4%
3/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
General disorders
pain
5.4%
11/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
3.4%
3/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
Nervous system disorders
headache
7.9%
16/203 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year
7.9%
7/89 • 12 months
The TPS, SAE population includes all subjects successful deliveries plus 10 subjects with attempted deliveries. The TPS, AE population includes successful deliveries where the TPS remained for up to one year

Additional Information

Lian Cunningham, MD, PhD

BAROnova, Inc

Phone: 650.638.9796

Results disclosure agreements

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