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Terminated Phase 2 Interventional

PRIMEx - A Study of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

ClinicalTrials.gov ID: NCT03449524

Public ClinicalTrials.gov record NCT03449524. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:38 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 2 Multicenter, Double-Blind, Placebo Controlled, Efficacy, Safety, and Pharmacokinetic Study of 2 Doses of CXA-10 on Stable Background Therapy in Subjects With Pulmonary Arterial Hypertension

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a multicenter double-blind, placebo-controlled study to evaluate the safety, efficacy and pharmacokinetics of 2 doses of CXA-10 on stable background therapy in 96 subjects 18 to 80 years of age with PAH.

Study identification

NCT ID
NCT03449524
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Complexa, Inc.
Industry
Enrollment
69 participants

Conditions and interventions

Conditions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 1, 2018 (Actual)
Primary completion
Aug 5, 2020 (Actual)
Completion
Aug 5, 2020 (Actual)
Last update posted
Aug 10, 2020

2018 – 2020

United States locations

U.S. sites
40
U.S. states
23
U.S. cities
37
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35233 —
Arizona Pulmonary Specialists Phoenix Arizona 85012 —
University of Arizona Tucson Arizona 85724 —
University of California San Francisco San Francisco California 94143-2202 —
University of Colorado Health Aurora Colorado 80045 —
National Jewish Health Denver Colorado 80206 —
Washington Hospital (Medstar) Washington D.C. District of Columbia 20010 —
George Washington Medical Faculty Associates Washington D.C. District of Columbia 20037 —
University of Florida Health Gainesville Florida 32608 —
Mayo Clinic Jacksonville Florida 32224 —
University of Miami Miami Florida 33136 —
AdventHealth Orlando Florida 32803 —
University of Chicago Chicago Illinois 60637 —
Loyola University Maywood Illinois 60153-3328 —
Indiana University Indianapolis Indiana 46202 —
University of Iowa Iowa City Iowa 52242 —
University of Kansas Kansas City Kansas 66160 —
Tufts Medical Center Boston Massachusetts 02111 —
Brigham and Women's Hospital Boston Massachusetts 02115-6110 —
University of Minnesotta Minneapolis Minnesota 55455 —
Washington University and Barnes Jewish Hospital St Louis Missouri 63110 —
University of New Mexico Health Sciences Center Albuquerque New Mexico 87131 —
NYU Langone Medical Center New York New York 10279 —
Duke University Durham North Carolina 27710 —
Christ Hospital-Lindner Research Center Cincinnati Ohio 45219 —
University of Cincinnati Cincinnati Ohio 45267 —
Cleveland Clinic Cleveland Ohio 44195 —
The Ohio State University Columbus Ohio 43210 —
INTEGRIS Baptist Medical Center Oklahoma City Oklahoma 73112 —
Penn State M.S. Hershey Medical Center Hershey Pennsylvania 17033 —
University of Pennsylvania Philadelphia Pennsylvania 19104 —
Allegheny General Hospital Pittsburgh Pennsylvania 15212 —
Vanderbuilt University Nashville Tennessee 37232 —
UT Southwestern Dallas Texas 75390 —
Texas Tech El Paso Texas 79905 —
Houston Methodist Houston Texas 77030 —
University of Virginia School of Medicine Charlottesville Virginia 22908 —
Inova Medical Campus Falls Church Virginia 22042 —
Sentara Medical Group Norfolk Virginia 23507 —
Froedert Medical College of Wisconsin Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 6 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03449524, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 10, 2020 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03449524 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →