ADAPT - A Patient Registry of the Real-world Use of Orenitram® (ADAPT)

March 27, 2026 updated by: United Therapeutics
This prospective, observational, multicenter, patient registry will follow patients who are receiving treatment with Orenitram for the treatment of PAH for up to 78 weeks from Orenitram initiation

Study Overview

Status

Active, not recruiting

Intervention / Treatment

Study Type

Observational

Enrollment (Estimated)

300

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • California
      • Fresno, California, United States, 94143
        • University of California - San Francisco
      • Los Angeles, California, United States, 90033
        • University of Southern California - Keck Medical Center
      • San Juan Capistrano, California, United States, 92675
        • Paloma Medical Group
      • Santa Barbara, California, United States, 93105
        • Santa Barbara Pulmonary Associates
      • Torrance, California, United States, 90502
        • Harbor UCLA Medical Center
    • Colorado
      • Aurora, Colorado, United States, 80012
        • Aurora Denver Cardiology Associates
      • Pueblo, Colorado, United States, 81003
        • Pueblo Pulmonary Associates
    • Florida
      • Bradenton, Florida, United States, 34208
        • Lung Associates PA
      • Gainesville, Florida, United States, 32610
        • University of Florida Clinical Research Center
      • Jacksonville, Florida, United States, 33204
        • St. Vincent's Lung, Sleep, and Critical Care Specialists
      • Orlando, Florida, United States, 32803
        • AdventHealth Orlando
      • Orlando, Florida, United States, 32803
        • Central Florida Pulmonary Group, P.A.
      • Tampa, Florida, United States, 33606
        • USF South Florida Heart Health
      • Weston, Florida, United States, 33331
        • Cleveland Clinic Florida
    • Georgia
      • Austell, Georgia, United States, 30309
        • Piedmont Healthcare/Research
    • Illinois
      • Chicago, Illinois, United States, 60153
        • Loyola University Chicago
    • Indiana
      • Indianapolis, Indiana, United States, 46260
        • Saint Vincent Hospital and Health Services
    • Iowa
      • Iowa City, Iowa, United States, 52242
        • University of Iowa Hospital and Clinics
    • Kentucky
      • Louisville, Kentucky, United States, 40202
        • University of Louisville Physicians Outpatient Center
    • Maine
      • South Portland, Maine, United States, 04106
        • Chest Medicine Associates
    • Michigan
      • Okemos, Michigan, United States, 48864
        • McLaren Greater Lansing
      • Troy, Michigan, United States, 48085
        • Beaumont Hospital Troy
    • Nebraska
      • Omaha, Nebraska, United States, 68198
        • University of Nebraska Medical Center
    • New York
      • Albany, New York, United States, 12208
        • Albany Medical College
      • Brooklyn, New York, United States, 11215
        • New York Methodist Hospital
      • Fayetteville, New York, United States, 13066
        • Pulmonary Health Physicians, PC
      • Islandia, New York, United States, 11790
        • Stony Brook University Medical Center
      • New Hyde Park, New York, United States, 11040
        • Northwell Health- Long Island Jewish Forest Hills
      • Rochester, New York, United States, 14623
        • University of Rochester
    • North Carolina
      • Pinehurst, North Carolina, United States, 28374
        • Pinehurst Medical Clinic, INC.
    • Ohio
      • Lima, Ohio, United States, 45804
        • Lima Memorial Hospital
    • Oklahoma
      • Oklahoma City, Oklahoma, United States, 73112
        • INTEGRIS Nazih Zuhdi Transplant Institution
    • Oregon
      • Portland, Oregon, United States, 97239
        • Oregon Health & Science University (OHSU)
    • Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15261
        • University of Pittsburgh - Heart and Vascular Medicine Institute
    • South Carolina
      • Anderson, South Carolina, United States, 29621
        • AnMed Health Pulmonary and Sleep Medicine
    • Tennessee
      • Knoxville, Tennessee, United States, 37919
        • Center for Biomedical Research
    • Texas
      • Dallas, Texas, United States, 75246
        • Baylor University Medical Center
      • Houston, Texas, United States, 77030
        • Houston Methodist Research Institute
      • The Woodlands, Texas, United States, 77380
        • Renovatio Clinical
    • Virginia
      • Roanoke, Virginia, United States, 24014
        • Carilion Clinic
    • Wisconsin
      • Milwaukee, Wisconsin, United States, 53215
        • Heart Care Associates, LLC

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients are eligible if they have been receiving Orenitram for 182 or fewer days.

Description

INCLUSION CRITERIA

Patients are eligible for the registry if:

  1. The patient voluntarily gives informed consent to participate in the study.
  2. The patient must be at least 18 years of age or older.
  3. The patient is prescribed Orenitram (per the package insert indication), and plans to initiate therapy with this medication or has been receiving Orenitram for 182 or fewer days.
  4. The patient agrees to dosing, prostacyclin-related AE of interest record keeping, survey participation during designated time periods, and recording any medication changes, use, for the duration of the study.
  5. The patient has the ability to answer surveys and use the diary in English.
  6. The patient must have an email address and be willing to access the PRO Portal.

EXCLUSION CRITERIA

Patients are ineligible for the registry if:

  1. The patient has previously received Orenitram for more than 182 days.
  2. The patient is currently participating in an investigational drug or device study or has participated in a clinical study with an investigational product other than Orenitram in PAH within

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Oral treprostinil
Sustained-release oral tablets for three times daily (TID) administration in prostacyclin naive and prostacyclin transition patients
Sustained-release oral tablets for TID administration
Other Names:
  • Treprostinil diethanolamine
  • Treprostinil diolamine

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Real-world use and tolerability of Orenitram in new starts and prostacyclin transition patients
Time Frame: Baseline to Week 78
Baseline to Week 78

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
To assess treatment-related outcomes during routine clinical care.
Time Frame: Baseline to Week 78
eg, 6-Minute Walk Distance [6MWD], World Health Organization [WHO] Functional Class [FC]
Baseline to Week 78
To observe the development, timing, severity, frequency, and treatment of prostacyclin-related adverse events (AEs) of interest
Time Frame: Baseline to Week 78
Baseline to Week 78
Use of concomitant medications
Time Frame: Baseline to Week 78
Baseline to Week 78
To evaluate information on clinical titration schedules implemented for transition to and from alternative prostacyclin-class therapies
Time Frame: Baseline to Week 78
Baseline to Week 78
Healthcare resource utilization trends
Time Frame: Baseline to Week 78
Baseline to Week 78
Health-related quality of life in PAH and treatment satisfaction
Time Frame: Baseline to Week 78
Baseline to Week 78
To evaluate reasons for discontinuation of Orenitram
Time Frame: Baseline to Week 78
Baseline to Week 78
To evaluate titration and dosing schedules of Orenitram
Time Frame: Baseline to Week 78
Baseline to Week 78

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 18, 2017

Primary Completion (Estimated)

March 1, 2027

Study Completion (Estimated)

March 1, 2027

Study Registration Dates

First Submitted

February 2, 2017

First Submitted That Met QC Criteria

February 6, 2017

First Posted (Estimated)

February 7, 2017

Study Record Updates

Last Update Posted (Actual)

April 2, 2026

Last Update Submitted That Met QC Criteria

March 27, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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