Trial Outcomes & Findings for Aliskiren HCTZ Compared to Amlodipine in Patients With Stage 2 Systolic Hypertension and Diabetes Mellitus (NCT NCT00787605)

NCT ID: NCT00787605

Last Updated: 2016-10-27

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

860 participants

Primary outcome timeframe

Baseline and Week 8

Results posted on

2016-10-27

Participant Flow

Participant milestones

Participant milestones
Measure
Aliskiren/HCTZ
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Overall Study
STARTED
428
432
Overall Study
COMPLETED
382
376
Overall Study
NOT COMPLETED
46
56

Reasons for withdrawal

Reasons for withdrawal
Measure
Aliskiren/HCTZ
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Overall Study
Administrative Problems
3
0
Overall Study
Adverse Event
14
25
Overall Study
Lost to Follow-up
3
6
Overall Study
Protocol Violation
7
3
Overall Study
Withdrawal by Subject
6
13
Overall Study
Lack of Efficacy
13
9

Baseline Characteristics

Aliskiren HCTZ Compared to Amlodipine in Patients With Stage 2 Systolic Hypertension and Diabetes Mellitus

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Aliskiren/HCTZ
n=428 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=432 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Total
n=860 Participants
Total of all reporting groups
Age, Continuous
59.7 years
STANDARD_DEVIATION 9.83 • n=5 Participants
59.8 years
STANDARD_DEVIATION 10.01 • n=7 Participants
59.8 years
STANDARD_DEVIATION 9.91 • n=5 Participants
Sex: Female, Male
Female
212 Participants
n=5 Participants
209 Participants
n=7 Participants
421 Participants
n=5 Participants
Sex: Female, Male
Male
216 Participants
n=5 Participants
223 Participants
n=7 Participants
439 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline and Week 8

Population: Full analysis set, intent-to-treat

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=426 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=429 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Change From Baseline in Mean Sitting Systolic Blood Pressure (msSBP)
-28.82 mmHg
Standard Error 0.722
-26.22 mmHg
Standard Error 0.719

SECONDARY outcome

Timeframe: Baseline and Week 8

Population: Full analysis set, intent-to-treat

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=426 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=429 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Change From Baseline in Mean Sitting Diastolic Blood Pressure (msDBP)
-9.92 mmHg
Standard Error 0.414
-8.97 mmHg
Standard Error 0.412

SECONDARY outcome

Timeframe: Week 8

Population: Full analysis set, intent-to-treat

Response defined by mean sitting Systolic Blood Pressure \< 130 mm Hg or a reduction of mean sitting Systolic Blood Pressure \>= 20 mm Hg from baseline

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=426 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=429 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Percentage of Responders
74.2 Percentage of Participants
68.5 Percentage of Participants

SECONDARY outcome

Timeframe: after 8 weeks of treatment

Population: Full analysis set, intent-to-treat

Blood pressure control is defined as patient achieving a target Blood Pressure of mean sitting Systolic BloodPressure / mean sitting Diastolic Blood Pressure \< 130/80 mmHg.

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=426 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=429 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Percentage of Patients Achieving Blood Pressure Control
23.2 Percentage of Participants
13.8 Percentage of Participants

SECONDARY outcome

Timeframe: Baseline and Week 8

Population: Full analysis set, intent-to-treat

Geometric mean of the post to baseline ratio in biomarkers of plasma renin activity (ng/ml/h), plasma renin concentration (ng/L), and cystatin C (mg/L)

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=428 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=432 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Biomarker Measurements
Plasma Renin activity (ng/ml/h) (N= 317, 300)
0.42 ratio
95% Confidence Interval 2.41 • Interval 0.37 to 0.48
1.75 ratio
95% Confidence Interval 2.10 • Interval 1.57 to 1.94
Biomarker Measurements
Plasma Renin concentration (ng/L) (N=315, 299)
9.53 ratio
95% Confidence Interval 189.75 • Interval 8.32 to 10.91
1.49 ratio
95% Confidence Interval 21.59 • Interval 1.36 to 1.62
Biomarker Measurements
Cystatin C (mg/L) (N = 327 , 310)
1.04 ratio
95% Confidence Interval 0.15 • Interval 1.03 to 1.06
0.98 ratio
95% Confidence Interval 0.09 • Interval 0.97 to 0.99

SECONDARY outcome

Timeframe: after 8 weeks of treatment

Population: safety

Percentage of patients with Adverse Event and percentage of patients with edema

Outcome measures

Outcome measures
Measure
Aliskiren/HCTZ
n=428 Participants
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=431 Participants
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Evaluate the Safety and Tolerability
Any Adverse Event
36.0 Percentage of participants
48.3 Percentage of participants
Evaluate the Safety and Tolerability
edema
2.6 Percentage of participants
17.6 Percentage of participants

Adverse Events

Aliskiren/HCTZ

Serious events: 3 serious events
Other events: 28 other events
Deaths: 0 deaths

Amlodipine

Serious events: 4 serious events
Other events: 86 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Aliskiren/HCTZ
n=428 participants at risk
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=431 participants at risk
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
Cardiac disorders
Angina pectoris
0.00%
0/428
0.23%
1/431
Cardiac disorders
Angina unstable
0.23%
1/428
0.00%
0/431
Cardiac disorders
Coronary artery disease
0.00%
0/428
0.23%
1/431
Cardiac disorders
Myocardial ischaemia
0.00%
0/428
0.23%
1/431
Gastrointestinal disorders
Rectal haemorrhage
0.23%
1/428
0.00%
0/431
General disorders
Non-cardiac chest pain
0.00%
0/428
0.46%
2/431
Hepatobiliary disorders
Cholecystitis
0.23%
1/428
0.00%
0/431
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/428
0.23%
1/431
Vascular disorders
Hypertension
0.00%
0/428
0.23%
1/431

Other adverse events

Other adverse events
Measure
Aliskiren/HCTZ
n=428 participants at risk
Aliskiren / HCTZ 150/12.5 mg for 1 week followed by 300/25 mg for 7 weeks
Amlodipine
n=431 participants at risk
Amlodipine 5 mg for 1 week followed by 10 mg for 7 weeks
General disorders
Oedema peripheral
2.1%
9/428
16.2%
70/431
Nervous system disorders
Headache
4.4%
19/428
5.1%
22/431

Additional Information

Study Director

Novartis Pharmaceuticals

Phone: 862-778-8300

Results disclosure agreements

  • Principal investigator is a sponsor employee The terms and conditions of Novartis' agreements with its investigators may vary. However, Novartis does not prohibit any investigator from publishing. Any publications from a single-site are postponed until the publication of the pooled data (i.e., data from all sites) in the clinical trial; or the publication of the trial results in their entirety.
  • Publication restrictions are in place

Restriction type: OTHER