Trial Outcomes & Findings for GAstric Bypass to Treat obEse Patients With steAdy hYpertension (NCT NCT01784848)

NCT ID: NCT01784848

Last Updated: 2022-04-07

Results Overview

Evaluate the efficacy of Roux-en-Y Gastric Bypass on the reduction of the number of antihypertensive drugs, maintaining a controlled blood pressure (\<140x90 mmHg), in 12 months.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

100 participants

Primary outcome timeframe

12 months

Results posted on

2022-04-07

Participant Flow

Participant milestones

Participant milestones
Measure
Laparoscopic Roux-en-Y Gastric Bypass
Laparoscopic Roux-en-Y gastric bypass performed as a treatment for obesity. Laparoscopic Roux-en-Y gastric bypass (LRYGB): Laparoscopic Roux-en-Y gastric bypass (LRYGB)is the one of the techniques of bariatric surgery Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Clinical Treatment
Optimized clinical treatment including medical management of hypertension. Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Overall Study
STARTED
50
50
Overall Study
COMPLETED
49
47
Overall Study
NOT COMPLETED
1
3

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

GAstric Bypass to Treat obEse Patients With steAdy hYpertension

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Laparoscopic Roux-en-Y Gastric Bypass
n=50 Participants
Laparoscopic Roux-en-Y gastric bypass performed as a treatment for obesity. Laparoscopic Roux-en-Y gastric bypass (LRYGB): Laparoscopic Roux-en-Y gastric bypass (LRYGB)is the one of the techniques of bariatric surgery Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Clinical Treatment
n=50 Participants
Optimized clinical treatment including medical management of hypertension. Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Total
n=100 Participants
Total of all reporting groups
Age, Continuous
43.1 years
STANDARD_DEVIATION 9.2 • n=5 Participants
44.6 years
STANDARD_DEVIATION 9.2 • n=7 Participants
43.8 years
STANDARD_DEVIATION 9.2 • n=5 Participants
Sex: Female, Male
Female
41 Participants
n=5 Participants
35 Participants
n=7 Participants
76 Participants
n=5 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
15 Participants
n=7 Participants
24 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
19 Participants
n=5 Participants
16 Participants
n=7 Participants
35 Participants
n=5 Participants
Race (NIH/OMB)
White
31 Participants
n=5 Participants
34 Participants
n=7 Participants
65 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
Anti-hypertensive medications
3 Anti-hypertensive medications
n=5 Participants
3 Anti-hypertensive medications
n=7 Participants
3 Anti-hypertensive medications
n=5 Participants

PRIMARY outcome

Timeframe: 12 months

Evaluate the efficacy of Roux-en-Y Gastric Bypass on the reduction of the number of antihypertensive drugs, maintaining a controlled blood pressure (\<140x90 mmHg), in 12 months.

Outcome measures

Outcome measures
Measure
Laparoscopic Roux-en-Y Gastric Bypass
n=49 Participants
Laparoscopic Roux-en-Y gastric bypass performed as a treatment for obesity. Laparoscopic Roux-en-Y gastric bypass (LRYGB): Laparoscopic Roux-en-Y gastric bypass (LRYGB)is the one of the techniques of bariatric surgery Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Clinical Treatment
n=47 Participants
Optimized clinical treatment including medical management of hypertension. Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Number of Participants With a Reduction in the Number of Anti-hypertensive Drugs Used and Maintaining Blood Pressure Below 140x90mmHg
41 Participants
6 Participants

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Evaluate the efficacy of Roux-en-Y Gastric Bypass on the reduction of the number of antihypertensive drugs, maintaining a controlled blood pressure (\<140x90 mmHg).

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Change on systemic blood pressure assessed by ambulatory blood pressure monitoring (ABPM).

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Change on central blood pressure augmentation index and pulse wave velocity as measured by SphygmoCor device

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline in systolic blood pressure

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline in diastolic blood pressure

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on weight loss

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on BMI

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on waist circumference

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Change from baseline on fasting plasm glucose level, HbA1c and insulin resistance

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on LDL-cholesterol level

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on HDL-cholesterol level

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on triglycerides levels

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on uric acid levels

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline on ultra-sensitive CRP levels

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Absolute change from baseline of cardiovascular risk calculated by Framingham Score

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Change on heart anatomy as evaluated by echocardiogram

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12, 24, 36, 48 and 60 months

Change on sleep quality as evaluated by polysomnography

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: At any time during the study period

Describe the main adverse events

Outcome measures

Outcome data not reported

Adverse Events

Laparoscopic Roux-en-Y Gastric Bypass

Serious events: 6 serious events
Other events: 0 other events
Deaths: 0 deaths

Clinical Treatment

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

Serious adverse events

Serious adverse events
Measure
Laparoscopic Roux-en-Y Gastric Bypass
n=49 participants at risk
Laparoscopic Roux-en-Y gastric bypass performed as a treatment for obesity. Laparoscopic Roux-en-Y gastric bypass (LRYGB): Laparoscopic Roux-en-Y gastric bypass (LRYGB)is the one of the techniques of bariatric surgery Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Clinical Treatment
n=47 participants at risk
Optimized clinical treatment including medical management of hypertension. Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Injury, poisoning and procedural complications
Rehospitalization
12.2%
6/49 • Number of events 6 • 1 year
0.00%
0/47 • 1 year

Other adverse events

Other adverse events
Measure
Laparoscopic Roux-en-Y Gastric Bypass
n=49 participants at risk
Laparoscopic Roux-en-Y gastric bypass performed as a treatment for obesity. Laparoscopic Roux-en-Y gastric bypass (LRYGB): Laparoscopic Roux-en-Y gastric bypass (LRYGB)is the one of the techniques of bariatric surgery Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Clinical Treatment
n=47 participants at risk
Optimized clinical treatment including medical management of hypertension. Clinical treatment: Medical treatment aiming the control of risk factors for cardiovascular diseases (including adequate control of blood pressure), psychological assistance and dietetic advice for body weight reduction.
Cardiac disorders
Hypertensive crisis
0.00%
0/49 • 1 year
2.1%
1/47 • Number of events 1 • 1 year

Additional Information

Dr Carlos Schiavon

HCor

Phone: 1130536611

Results disclosure agreements

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