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Efficacy and Safety of the Combination of Aliskiren (300 mg) and Amlodipine (10 mg) Compared to Amlodipine (10 mg) Monotherapy in Patients With Moderate to Severe Hypertension

An 8-week, Double-blind, Randomized, Parallel Group, Multi-center Study to Evaluate the Efficacy and Safety of the Combination of Aliskiren 300 mg and Amlodipine 10 mg Compared to Amlodipine 10 mg in Patients

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00841672
Enrollment
485
Registered
2009-02-11
Start date
2009-01-31
Completion date
2009-09-30
Last updated
2011-07-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Moderate to Severe Hypertension

Keywords

Hypertension, systolic blood pressure, cardiovascular disease, aliskiren, amlodipine

Brief summary

This study will compare the blood pressure (BP) lowering effect of the combination of aliskiren/amlodipine 300/10 mg versus amlodipine 10 mg monotherapy in patients with moderate to severe hypertension by testing the hypothesis that the combination of aliskiren/amlodipine produces a superior reduction from baseline in mean sitting systolic blood pressure (msSBP) after 8 weeks of treatment.

Interventions

Each dose was taken by mouth with water at approximately 8:00 in the morning with or without food, except on the morning of the next office/clinic visit, when the medication was taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of two tablets and one capsule of study medication per day throughout the study.

Each dose was taken by mouth with water at approximately 8:00 in the morning with or without food, except on the morning of the next office/clinic visit, when the medication was taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of two tablets and one capsule of study medication per day throughout the study.

Sponsors

Novartis
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Outpatients ≥ 18 years of age * Patients with a diagnosis of moderate to severe hypertension, defined as msSBP ≥ 160 mmHg and \< 200 mmHg at Visit 2

Exclusion criteria

* Mild to moderate hypertension * Pregnant or nursing (lactating) women * Women of child-bearing potential * Previous or current diagnosis of heart failure New York Heart Association(NYHA) Class II-IV. * Serum potassium ≥ 5.3 mEq/L (mmol/L) at Visit 1. * Uncontrolled Type 1 or Type 2 diabetes mellitus * Hypersensitivity to renin inhibitors, calcium channel blockers, or to drugs with Similar chemical structures * History of hypertensive encephalopathy or cerebrovascular accident, or history of transient ischemic attack (TIA), myocardial infarction, coronary bypass surgery, or any percutaneous coronary intervention * Patients on a combination of 3 or more antihypertensive medications Other protocol-defined inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Mean Sitting Systolic Blood Pressure (msSBP)Baseline to end of study (Week 8)Change in mean sitting systolic blood pressure (msSBP) from baseline to end of study (Week 8)

Secondary

MeasureTime frameDescription
Mean Sitting Diastolic Blood Pressure (msDBP)Baseline to end of study (Week 8)Change in mean sitting diastolic blood pressure (msDBP) from baseline to end of study (Week 8)
Systolic Blood Pressure ResponseBaseline to end of study (Week 8)Percentage of patients achieving a mean sitting systolic blood pressure response (msSBP \< 140 mmHg or a reduction =\> 20 mmHg from the baseline) from baseline to end of study (Week 8)
Diastolic Blood Pressure ResponseBaseline to end of study (Week 8)Percentage of patients achieving a mean sitting diastolic blood pressure response (msDBP \< 90 mmHg or a reduction ≥ 10 mmHg from the baseline) from baseline to end of study (Week 8)
Blood Pressure ControlEnd of study (Week 8)Percentage of patients achieving blood pressure control (msSBP \< 140 mm Hg and msDBP \< 90 mm Hg) at end of study

Countries

Germany, Philippines, Romania, Russia, Singapore, Spain

Participant flow

Participants by arm

ArmCount
Aliskiren/Amlodipine 300/10 mg Tablet
Aliskiren/amlodipine treatment regimen: At randomization, patients were treated with aliskiren/amlodipine 150/5 mg for one week. For the remaining 7 weeks of the study, patients were force-titrated to receive aliskiren/amlodipine 300/10 mg.
244
Amlodipine 10 mg Capsule
Amlodipine treatment regimen: At randomization, patients were treated with amlodipine 5 mg for one week. For the remaining 7 weeks of the study, patients were force-titrated to receive amlodipine 10 mg.
241
Total485

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAbnormal test procedure result(s)01
Overall StudyAdministrative problems99
Overall StudyAdverse Event716
Overall StudyLost to Follow-up11
Overall StudyMisrandomized10
Overall StudyProtocol Deviation01
Overall StudySubject withdrew consent24

Baseline characteristics

CharacteristicAliskiren/Amlodipine 300/10 mg TabletAmlodipine 10 mg CapsuleTotal
Age Continuous59 years
STANDARD_DEVIATION 10.38
59 years
STANDARD_DEVIATION 10.82
59 years
STANDARD_DEVIATION 10.6
Sex: Female, Male
Female
136 Participants139 Participants275 Participants
Sex: Female, Male
Male
108 Participants102 Participants210 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
41 / 24356 / 241
serious
Total, serious adverse events
0 / 2433 / 241

Outcome results

Primary

Mean Sitting Systolic Blood Pressure (msSBP)

Change in mean sitting systolic blood pressure (msSBP) from baseline to end of study (Week 8)

Time frame: Baseline to end of study (Week 8)

Population: Full Analysis Set - analysis set was the FAS excluding patients from one center due to Good Clinical Practices (GCP) issues

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Aliskiren/Amlodipine 300/10 mg TabletMean Sitting Systolic Blood Pressure (msSBP)-37.72 mm HgStandard Error 0.937
Amlodipine 10 mg CapsuleMean Sitting Systolic Blood Pressure (msSBP)-30.63 mm HgStandard Error 0.941
Secondary

Blood Pressure Control

Percentage of patients achieving blood pressure control (msSBP \< 140 mm Hg and msDBP \< 90 mm Hg) at end of study

Time frame: End of study (Week 8)

Population: Full Analysis Set - analysis set was the FAS excluding patients from one center due to Good Clinical Practices (GCP) issues

ArmMeasureValue (NUMBER)
Aliskiren/Amlodipine 300/10 mg TabletBlood Pressure Control67.0 Percentage of participants
Amlodipine 10 mg CapsuleBlood Pressure Control49.1 Percentage of participants
Secondary

Diastolic Blood Pressure Response

Percentage of patients achieving a mean sitting diastolic blood pressure response (msDBP \< 90 mmHg or a reduction ≥ 10 mmHg from the baseline) from baseline to end of study (Week 8)

Time frame: Baseline to end of study (Week 8)

Population: Full Analysis Set - analysis set was the FAS excluding patients from one center due to Good Clinical Practices (GCP) issues All randomized patients who received the study medication. The measurement at Week 8 was used unless it was not available, in which case, the last observation carried forward was used.

ArmMeasureValue (NUMBER)
Aliskiren/Amlodipine 300/10 mg TabletDiastolic Blood Pressure Response92.7 Percentage of participants
Amlodipine 10 mg CapsuleDiastolic Blood Pressure Response86.5 Percentage of participants
Secondary

Mean Sitting Diastolic Blood Pressure (msDBP)

Change in mean sitting diastolic blood pressure (msDBP) from baseline to end of study (Week 8)

Time frame: Baseline to end of study (Week 8)

Population: Full Analysis Set - analysis set was the FAS excluding patients from one center due to Good Clinical Practices (GCP) issues

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Aliskiren/Amlodipine 300/10 mg TabletMean Sitting Diastolic Blood Pressure (msDBP)-16.10 mm HgStandard Error 0.557
Amlodipine 10 mg CapsuleMean Sitting Diastolic Blood Pressure (msDBP)-12.27 mm HgStandard Error 0.559
Secondary

Systolic Blood Pressure Response

Percentage of patients achieving a mean sitting systolic blood pressure response (msSBP \< 140 mmHg or a reduction =\> 20 mmHg from the baseline) from baseline to end of study (Week 8)

Time frame: Baseline to end of study (Week 8)

Population: Full Analysis Set - analysis set was the FAS excluding patients from one center due to GCP issues

ArmMeasureValue (NUMBER)
Aliskiren/Amlodipine 300/10 mg TabletSystolic Blood Pressure Response88.8 Percentage of participants
Amlodipine 10 mg CapsuleSystolic Blood Pressure Response79.1 Percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026