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DORADO-AC-EX – A Double-Blind, Active-Controlled, Long-Term Safety Extension Study to the Phase 3 DORADO-AC Study (Protocol DAR-312) of Darusentan in Resistant Hypertension A Double-Blind, Active-Controlled, Long-Term Safety Extension Study of Optimized Doses of Darusentan in Subjects with Resistant Hypertension Despite Receiving Combination Therapy with Three or More Antihypertensive Drugs, Including a Diuretic, as Compared to Guanfacine (Protocol DAR-312-E) - DORADO-AC-EX

DORADO-AC-EX – A Double-Blind, Active-Controlled, Long-Term Safety Extension Study to the Phase 3 DORADO-AC Study (Protocol DAR-312) of Darusentan in Resistant Hypertension A Double-Blind, Active-Controlled, Long-Term Safety Extension Study of Optimized Doses of Darusentan in Subjects with Resistant Hypertension Despite Receiving Combination Therapy with Three or More Antihypertensive Drugs, Including a Diuretic, as Compared to Guanfacine (Protocol DAR-312-E) - DORADO-AC-EX

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2006-003548-42-GB
Enrollment
770
Registered
2007-08-01
Start date
2008-04-15
Completion date
Unknown
Last updated
2019-12-10

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

Conditions

Resistant hypertension MedDRA version: 8.1 Level: LLT Classification code 10038274 Term: Refractory hypertension

Interventions

Product Name: Darusentan Product Code: LU 135252 or GS-9377 Pharmaceutical Form: Capsule* INN or Proposed INN: Darusentan CAS Number: 17

Sponsors

Gilead Sciences, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Subjects must be competent to provide written informed consent. 2. Subjects must have completed the Maintenance Period (i.e., through Week 14) of the DAR-312 study and may be on or off study drug, with the exception of subjects who discontinued study drug due to a study drug-related AE. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. Subjects who discontinue treatment with study drug prior to the end of the Maintenance Period in DAR-312 do to a study drug-related AE. 2. Subjects who experience a study drug-related serious adverse event (SAE) during the DAR-312 study. 3. Use of thiazolidinedione (i.e., glitazone) class of anti-diabetic medications (e.g., rosiglitazone, pioglitazone; alone or in combination pills) at or within 4 weeks of the Entry Visit. Subjects should not initiate treatment with thiazolidinediones at any time during the study. 4. Subjects who have any concomitant condition that, in the opinion of the investigator, may adversely affect the safety and/or efficacy of the study drug or severly limit the subject's lifespan or ability to complete the study. Such conitions may include: hemodialysis or peritoneal dialysis, history of renal transplant, diagnosis or recurrence of malignancy, alcohol or drug abuse, disabling or terminal illness, mental disorders, or institutionalization by judicial order.

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective of this study is to evaluate the long-term safety of darusentan in subjects with RHTN despite treatment with full doses of three or more antihypertensive medications, including a diuretic. ; Secondary Objective: Secondary objectives of this study are to examine the long-term efficacy of darusentan on SBP, DBP, mean 24-hour ambulatory BP, percent of subjects meeting SBP goal, and eGFR. ; Primary end point(s): The primary efficacy endpoints are change from baseline after 14 weeks of treatment in trough sitting SBP and DBP measured by sphygmomanometry.

Countries

Belgium, Czech Republic, Denmark, France, Germany, Spain, United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026