Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 2 Interventional

Long-Term, Open Label Extension Study of Pemziviptadil (PB1046) in PAH Subjects Following Completion of Study PB1046-PT-CL-0004

ClinicalTrials.gov ID: NCT03795428

Public ClinicalTrials.gov record NCT03795428. 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 Sep 6, 2026, 4:42 AM EDT

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

Official title

A Long-Term, Open Label Extension Study of Pemziviptadil (PB1046) Subcutaneous Injections in Pulmonary Arterial Hypertension Subjects Following Completion of Study PB1046-PT-CL-0004

Brief summary

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

This is a multi-center, Phase 2 Long-Term, Open Label Extension (OLE) Study to assess the safety and tolerability of pemziviptadil (PB1046) at an optimally titrated dose. This is a Long-Term, Open label Extension (OLE) Study for subjects with (PAH), having participated in double-blind Study PB1046-PT-CL-0004. The study will include adult subjects previously diagnosed with symptomatic PAH, who are receiving background clinician-directed therapy for PAH. During this period, subjects will continue to be followed for safety and tolerability, as well as for periodic efficacy, quality of life data and immunogenicity. The study will continue per the schedule of events until such time when pemziviptadil (PB1046) is able to be self-administered, becomes commercially available to the subjects in a particular country or region, or the sponsor terminates the study due to lack of efficacy, safety or other reasons.

Study identification

NCT ID
NCT03795428
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
PhaseBio Pharmaceuticals Inc.
Industry
Enrollment
25 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 79 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
Apr 9, 2019
Primary completion
Jan 10, 2022
Completion
Jan 10, 2022
Last update posted
Feb 21, 2022

2019 – 2022

United States locations

U.S. sites
16
U.S. states
11
U.S. cities
13
Facility City State ZIP Site status
University of California San Diego La Jolla California 92037
University of California - Davis Sacramento California 95817
University of Miami - Pulmonary Research Center Miami Florida 33125
Emory University, The Emory Clinic Atlanta Georgia 30322
University of Iowa Hospitals and Clinics Iowa City Iowa 52242
University of Kansas Medical Center Kansas City Kansas 66160
Tufts Medical Center Boston Massachusetts 02111
Brigham and Women's Hospital Boston Massachusetts 02115
NYU Langone Health New York New York 10016
University of Rochester Medical Center Rochester New York 14642
The Lindner Center for Research and Education at The Christ Hospital Cincinnati Ohio 45219
University of Cincinnati Cincinnati Ohio 45267
INTEGRIS Baptist Medical Center Oklahoma City Oklahoma 73112
Allegheny General Hospital Pittsburgh Pennsylvania 15212
UPMC Presbyterian Pittsburgh Pennsylvania 15213
University of Texas Southwestern Medical Center Dallas Texas 75390

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03795428, 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 Feb 21, 2022 · Synced Sep 6, 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 protocol, eligibility criteria, and contact information for NCT03795428 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →