Trial Outcomes & Findings for The Vascular Effects of Carvedilol Controlled Release (CR) in Abdominally Obese Hypertensive Patients (NCT NCT00459056)

NCT ID: NCT00459056

Last Updated: 2013-12-06

Results Overview

Reactive hyperemic index is a measure of endothelial function. This is measured by the ratio of post-occlusion blood volume flow versus the baseline blood volume flow. The outcome reported is the change in this ratio after the first intervention phase compared to after the second intervention phase.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

25 participants

Primary outcome timeframe

Change from three months to seven months

Results posted on

2013-12-06

Participant Flow

patients were recruited from medical clinics

Patients using anti-hypertensive medication(s) at baseline were allowed to undergo a 1-month washout prior to randomization.

Participant milestones

Participant milestones
Measure
Carvedilol CR + Lisinopril, Then Lisinopril + HCTZ
Participants were randomized to Carvedilol CR + Lisinopril for three months, then had a one month wash-out period, and then were randomized to Lisinopril + HCT for the remaining three months. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. For the second phase, lisinopril was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day, after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week.
Lisinopril + HCTZ, Then Carvedilol CR + Lisinopril
Participants were randomized to Lisinopril + HCT for three months, then had a one month wash-out period, and then were randomized to Carvedilol CR + Lisinopril for the remaining three months. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week. For the second phase, Lisinophil was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week.
First Intervention (First Three Months)
STARTED
10
15
First Intervention (First Three Months)
COMPLETED
9
14
First Intervention (First Three Months)
NOT COMPLETED
1
1
Washout (1 Month)
STARTED
9
14
Washout (1 Month)
COMPLETED
9
14
Washout (1 Month)
NOT COMPLETED
0
0
Second Intervention (Final Three Months)
STARTED
9
14
Second Intervention (Final Three Months)
COMPLETED
9
14
Second Intervention (Final Three Months)
NOT COMPLETED
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Carvedilol CR + Lisinopril, Then Lisinopril + HCTZ
Participants were randomized to Carvedilol CR + Lisinopril for three months, then had a one month wash-out period, and then were randomized to Lisinopril + HCT for the remaining three months. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. For the second phase, lisinopril was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day, after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week.
Lisinopril + HCTZ, Then Carvedilol CR + Lisinopril
Participants were randomized to Lisinopril + HCT for three months, then had a one month wash-out period, and then were randomized to Carvedilol CR + Lisinopril for the remaining three months. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week. For the second phase, Lisinophil was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week.
First Intervention (First Three Months)
Lost to Follow-up
1
1

Baseline Characteristics

The Vascular Effects of Carvedilol Controlled Release (CR) in Abdominally Obese Hypertensive Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Carvedilol CR + Lisinopril, Then Lisinopril + HCTZ
n=10 Participants
Participants were randomized to Carvedilol CR + Lisinopril for the first three months, then had a washout period for one month, and then were given Lisinopril + HCTZ for the final three months.
Lisinopril + HCTZ, Then Carvedilol CR + Lisinopril
n=15 Participants
Participants were randomized to Lisinopril + HCTZ for the first three months, then had a washout period for one month, and then were given Carvedilol CR + Lisinopril for the final three months.
Total
n=25 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
10 Participants
n=5 Participants
15 Participants
n=7 Participants
25 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
52.7 years
STANDARD_DEVIATION 9.21 • n=5 Participants
54.9 years
STANDARD_DEVIATION 6.39 • n=7 Participants
54.0 years
STANDARD_DEVIATION 7.5 • n=5 Participants
Sex: Female, Male
Female
6 Participants
n=5 Participants
7 Participants
n=7 Participants
13 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
8 Participants
n=7 Participants
12 Participants
n=5 Participants
Region of Enrollment
United States
10 participants
n=5 Participants
15 participants
n=7 Participants
25 participants
n=5 Participants

PRIMARY outcome

Timeframe: Change from three months to seven months

Population: All completers were included in the analysis

Reactive hyperemic index is a measure of endothelial function. This is measured by the ratio of post-occlusion blood volume flow versus the baseline blood volume flow. The outcome reported is the change in this ratio after the first intervention phase compared to after the second intervention phase.

Outcome measures

Outcome measures
Measure
Carvedilol CR + Lisinopril, Then Lisinopril +HCTZ
n=9 Participants
Participants were randomized to Carvedilol CR + Lisinopril for the first three months, then had a one month washout period, then were given Lisinopril + HCTZ for the final three months. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. For the second phase, lisinopril was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day, after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week.
Lisinopril + HCTZ, Then Carvedilol CR + Lisinopril
n=14 Participants
Participants were randomized to Lisionopril +HCTZ for the first three months, then had a one month washout period, then were given Carvedilol CR + Lisinopril for the final three months. Lisinopril was initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day after one week. HCT was initiated at a dose of 12.5mg, once per day, then titrated to 25mg, once per day, after one week. For the second phase, lisinopril was again initiated at a dose of 10mg, once per day, then titrated to 20mg, once per day, after one week. Carvedilol CR was initiated at a dose of 20mg, once per day, then titrated to 40mg, once per day after one week.
Change in Reactive Hyperemic Index by Period (Carvedilol CR + Lisinopril vs. Lisinopril + HCTZ)
-0.26 Ratio
Standard Deviation 0.59
-0.14 Ratio
Standard Deviation 0.18

Adverse Events

Carvedilol CR + Lisinopril, Then Lisinopril + HCTZ

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

Lisinopril + HCTZ, Then Carvedilol CR + Lisinopril

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

Aaron S. Kelly, Ph.D.

University of Minnesota

Phone: 612-626-3492

Results disclosure agreements

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