Trial Outcomes & Findings for Study of the Glycemic Effects of Nebivolol Compared With Metoprolol and HCTZ in Diabetic Hypertensive Patients (NCT NCT00744237)

NCT ID: NCT00744237

Last Updated: 2011-07-29

Results Overview

Change from baseline in glycosylated hemoglobin (HbA1c) over 26 weeks, Last Observation Carried Forward.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

231 participants

Primary outcome timeframe

visit 5(week 0) and visit 14(week 26)

Results posted on

2011-07-29

Participant Flow

Recruitment occured from September 2008 through December 2009 at 69 US sites

Placebo washout phase was required for patients currently on any anti-hypertensives at screening exclusive of background ACE inhibitor or ARB before assignment to HCTZ or Metoprolol ER or Nebivolol arms.

Participant milestones

Participant milestones
Measure
Nebivolol
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Overall Study
STARTED
83
73
74
Overall Study
COMPLETED
56
46
59
Overall Study
NOT COMPLETED
27
27
15

Reasons for withdrawal

Reasons for withdrawal
Measure
Nebivolol
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Overall Study
Lack of Efficacy
1
1
0
Overall Study
Withdrawal by Subject
9
5
3
Overall Study
Lost to Follow-up
1
1
1
Overall Study
Protocol Violation
3
4
3
Overall Study
Inclusion/Exclusion criteria not met
1
0
0
Overall Study
Dosing Error
1
0
1
Overall Study
Study Drug Error
1
0
0
Overall Study
Prohibited Concomitant Medication
0
0
1
Overall Study
Poor Compliance
0
2
0
Overall Study
Administrative. Site Closed
1
1
1
Overall Study
Adverse Event
9
13
5

Baseline Characteristics

Study of the Glycemic Effects of Nebivolol Compared With Metoprolol and HCTZ in Diabetic Hypertensive Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Nebivolol
n=83 Participants
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
n=73 Participants
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
n=74 Participants
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Total
n=230 Participants
Total of all reporting groups
Age Continuous
58.2 years
STANDARD_DEVIATION 9.3 • n=5 Participants
59.2 years
STANDARD_DEVIATION 8.3 • n=7 Participants
59.5 years
STANDARD_DEVIATION 9.0 • n=5 Participants
58.9 years
STANDARD_DEVIATION 8.9 • n=4 Participants
Age, Customized
Patients 18 to 64 years of age
61 participants
n=5 Participants
51 participants
n=7 Participants
53 participants
n=5 Participants
165 participants
n=4 Participants
Age, Customized
Patients greater than or equal to 65 years of age.
22 participants
n=5 Participants
22 participants
n=7 Participants
21 participants
n=5 Participants
65 participants
n=4 Participants
Sex: Female, Male
Female
30 Participants
n=5 Participants
30 Participants
n=7 Participants
29 Participants
n=5 Participants
89 Participants
n=4 Participants
Sex: Female, Male
Male
53 Participants
n=5 Participants
43 Participants
n=7 Participants
45 Participants
n=5 Participants
141 Participants
n=4 Participants
Region of Enrollment
United States
78 participants
n=5 Participants
69 participants
n=7 Participants
72 participants
n=5 Participants
219 participants
n=4 Participants
Region of Enrollment
Puerto Rico
5 participants
n=5 Participants
4 participants
n=7 Participants
2 participants
n=5 Participants
11 participants
n=4 Participants

PRIMARY outcome

Timeframe: visit 5(week 0) and visit 14(week 26)

Change from baseline in glycosylated hemoglobin (HbA1c) over 26 weeks, Last Observation Carried Forward.

Outcome measures

Outcome measures
Measure
Nebivolol
n=77 Participants
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
n=69 Participants
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
n=68 Participants
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Change From Baseline in Mean Glycosylated Hemoglobin (HbA1c) at Week 26
0.12 Percentage
Standard Deviation 0.78
0.00 Percentage
Standard Deviation 0.65
0.40 Percentage
Standard Deviation 0.96

SECONDARY outcome

Timeframe: [visit 5(week 0) and visit 14(week 26)]

Change from Baseline in Insulin Resistance based on homeostasis model assessment of insulin resistance (HOMA-IR) at week 26, Last Observation Carried Forward (LOCF). The HOMA-IR is the the product of the blood Glucose and Insulin levels, divided by a constant. HOMA-IR is expressed as the following: HOMA-IR = fasting serum insulin (μU/ml) × fasting plasma glucose (mmol/l) / 22.5

Outcome measures

Outcome measures
Measure
Nebivolol
n=77 Participants
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
n=69 Participants
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
n=68 Participants
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Change From Baseline in Insulin Resistance Based on Homeostasis Model Assessment of Insulin Resistance (HOMA-IR)
0.011 Unit on a scale
Standard Deviation 9.828
1.156 Unit on a scale
Standard Deviation 9.628
-0.662 Unit on a scale
Standard Deviation 10.178

Adverse Events

Nebivolol

Serious events: 2 serious events
Other events: 19 other events
Deaths: 0 deaths

Metoprolol ER

Serious events: 3 serious events
Other events: 17 other events
Deaths: 0 deaths

Hydrochlorothiazide (HCTZ)

Serious events: 2 serious events
Other events: 17 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Nebivolol
n=83 participants at risk
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
n=73 participants at risk
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
n=74 participants at risk
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Gastrointestinal disorders
Abdominal pain
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Cardiac disorders
Arrhythmia
1.2%
1/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Breast cancer metastatic
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Cardiac disorders
Cardiomegaly
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Injury, poisoning and procedural complications
Deep vain thrombosis postoperative
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Infections and infestations
Diverticulitis
1.2%
1/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Infections and infestations
Incision site cellulitis
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Musculoskeletal and connective tissue disorders
Intervertebral disc degeneration
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Musculoskeletal and connective tissue disorders
Osteoarthritis
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Respiratory, thoracic and mediastinal disorders
Pneumonia aspiration
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Musculoskeletal and connective tissue disorders
Spinal column stenosis
0.00%
0/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.

Other adverse events

Other adverse events
Measure
Nebivolol
n=83 participants at risk
* Nebivolol 5 mg (overencapsulated 5-mg marketed tablet), oral administration * Nebivolol 10 mg (overencapsulated 10-mg marketed tablet), oral administration * Nebivolol 20 mg (overencapsulated 20-mg marketed tablet) oral administration * Nebivolol 40 mg (two overencapsulated 20-mg tablets) oral administration * Open-label amlodipine may be given
Metoprolol ER
n=73 participants at risk
* Metoprolol ER 50 mg (overencapsulated 50-mg tablet) oral administration * Metoprolol ER 100 mg (two overencapsulated 50-mg tablets) oral administration * Metoprolol ER 200 mg (overencapsulated 200-mg tablet) oral administration * Metoprolol ER 400 mg (two overencapsulated 200-mg tablets) oral administration * Open-label amlodipine may be given
Hydrochlorothiazide (HCTZ)
n=74 participants at risk
* HCTZ 12.5 mg (overencapsulated 12.5 capsule), oral administration * HCTZ 25 mg (two capsules, overencapsulated 12.5-mg capsules), oral administration * Open-label amlodipine may be given
Cardiac disorders
Bradycardia
7.2%
6/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
11.0%
8/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
0.00%
0/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Respiratory, thoracic and mediastinal disorders
Cough
3.6%
3/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
8.2%
6/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Nervous system disorders
Dizziness
6.0%
5/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
4.1%
3/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
4.1%
3/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
General disorders
Fatigue
3.6%
3/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
6.8%
5/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Nervous system disorders
Headache
6.0%
5/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
9.6%
7/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
6.8%
5/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Metabolism and nutrition disorders
Hyperglycaemia
1.2%
1/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
6.8%
5/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Infections and infestations
Nasopharyngitis
2.4%
2/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
5.5%
4/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
4.1%
3/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
General disorders
Oedema peripheral
9.6%
8/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
9.6%
7/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
8.1%
6/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
Infections and infestations
Upper Resiratory tract infection
2.4%
2/83 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
1.4%
1/73 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.
6.8%
5/74 • Adverse Events were reported over a 12-month period, from September 2008 to August 2010.

Additional Information

Noah Rosenberg , MD, Exec. Dir, Clin Dev, Cardiovascular and Metabolism

Forest Laboratories, Inc

Phone: 2014278000

Results disclosure agreements

  • Principal investigator is a sponsor employee All data generated in this study will be the property of Forest Research Institute. An integrated clinical and statistical report will be prepared at the completion of the study. Publication of the results by the Investigator will be subject to mutual agreement between the Investigator and Forest Research Institute.
  • Publication restrictions are in place

Restriction type: OTHER