Study to Compare Triple Therapy (Oral Treprostinil, Ambrisentan, and Tadalafil) With Dual Therapy (Ambrisentan, Tadalafil, and Placebo) in Subjects With Pulmonary Arterial Hypertension

NCT ID: NCT02999906

Last Updated: 2017-11-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE3

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-31

Study Completion Date

2022-06-30

Brief Summary

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This is a multicenter, randomized (2:1 oral treprostinil: placebo), double-blind, placebo-controlled study in subjects with Pulmonary Arterial Hypertension (PAH) who are currently receiving background dual therapy (ambrisentan, tadalafil) for at least 30 days at randomization for their PAH. Once randomized, subjects will return for 5 study visits up to Week 28 during the blinded period. After the Week 28 Visit, eligible subjects will transition to the open-label period of the study for up to 20 weeks.

Detailed Description

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Conditions

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Pulmonary Arterial Hypertension

Keywords

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PAH Oral Treprostinil dual therapy 6 Minute Walk Test

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Matching placebo (sugar pill)

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo (sugar pill) for three times daily oral administration

Active

Oral treprostinil sustained release tablet

Group Type ACTIVE_COMPARATOR

Oral Treprostinil

Intervention Type DRUG

Sustained release oral tablets for three times daily administration

Interventions

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Oral Treprostinil

Sustained release oral tablets for three times daily administration

Intervention Type DRUG

Placebo

Placebo (sugar pill) for three times daily oral administration

Intervention Type DRUG

Other Intervention Names

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treprostinil diethanolamine matching placebo (sugar pill)

Eligibility Criteria

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Inclusion Criteria

1. Between 18 and 79 years of age, inclusive
2. PAH that is idiopathic / heritable, PAH associated with connective tissue disease, HIV infection, repaired congenital systemic-to-pulmonary shunts (repaired \> 1 year), or appetite suppressant / toxin use
3. Receiving dual therapy (ambrisentan and tadalafil)
4. Previous testing (e.g. right heart catheterization, echocardiography) consistent with diagnosis of PAH

3. Received PAH-specific drug therapy for \>2 years
4. History of uncontrolled sleep apnea, severe liver disease, severe renal impairment, left sided heart disease, uncontrolled systemic hypertension
5. Participated in an investigational drug or device study within 90 days prior to signing consent.

Exclusion Criteria

1. Nursing or pregnant
Minimum Eligible Age

18 Years

Maximum Eligible Age

79 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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United Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Other Identifiers

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TDE-PH-313

Identifier Type: -

Identifier Source: org_study_id