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Essential Hypertension

A Multi-center, Double-blind, Randomized, Placebo- and Active-controlled, Parallel-group, Proof-of-concept Study to Evaluate the Efficacy, Safety, and Tolerability of 10 mg of ACT-280778 in Patients With Mild to Moderate Essential Hypertension

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01264692
Acronym
REDUCE-1
Enrollment
196
Registered
2010-12-22
Start date
2011-02-28
Completion date
2012-02-29
Last updated
2018-09-27

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

Conditions

Essential Hypertension

Brief summary

The purpose of this study is to demonstrate the antihypertensive efficacy of once daily oral administration of ACT 280778 on DBP compared to placebo after 28 days.

Interventions

DRUGACT-280778

10 mg once daily for 28 ± 2 days

DRUGPlacebo

Placebo oral capsules matching ACT-280778

DRUGAmlodipine

10 mg once daily for 28 ± 2 days

Sponsors

Idorsia Pharmaceuticals Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Males and females aged 18 to 75 years (inclusive) at screening. * Body mass index (BMI) between 18 and 35 kg/m2 (inclusive) and body weight at least 50 kg at screening and prior to enrollment. * 12-lead ECG without clinically relevant abnormalities measured at screening. * Clinical chemistry, hematology, coagulation, virus serology, and urinalysis test results not deviating to a clinically relevant extent from the normal range at screening. * Signed informed consent in the local language prior to any study-mandated procedure

Exclusion criteria

* Mean SBP \> 180 mmHg. * Severe, malignant, or secondary hypertension. * Episodes of hypertensive crisis or hypertensive emergency within 6 months prior to enrollment. * Previous history of fainting, collapse, syncope, orthostatic hypotension, or vasovagal reactions considered to be of clinical significance. * E6 Severe coronary artery disease indicated by myocardial infarction, percutaneous coronary intervention, or coronary artery bypass graft within the last 12 months prior to enrollment. * Angina pectoris within 6 months prior to enrollment

Design outcomes

Primary

MeasureTime frameDescription
Change in mean(c) trough(d) SiDBPBaseline to day 28Change from baseline(b) to Day 28 (± 2 days) of Period 2 (Visit 7)in mean(c) trough(d) SiDBP.

Secondary

MeasureTime frameDescription
Change in mean trough SiSBP.Baseline to Day 28Change from baseline to Day 28 (± 2 days) of Period 2 (Visit 7) in mean trough SiSBP.

Countries

Israel, Serbia

Outcome results

None listed

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