Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Active, not recruiting Phase 2 Interventional

A Study of TX000045 in Patients With Pulmonary Hypertension Secondary to Heart Failure With Preserved Ejection Fraction (the APEX Study)

ClinicalTrials.gov ID: NCT06616974

Public ClinicalTrials.gov record NCT06616974. 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 22, 2026, 11:01 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

A Phase 2, Double-blind, Randomized, Placebo-Controlled Study to Assess the Efficacy and Safety of TX000045 After 24 Weeks of Treatment in Patients With Pulmonary Hypertension Secondary to Heart Failure With Preserved Ejection Fraction (PH-HFpEF)

Brief summary

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

TX000045-003 is a double-blind, randomized, parallel group, placebo-controlled, proof- of-concept (POC) study, evaluating 2 dose regimens of TX000045 over the course of a 24-week treatment period (the APEX study).

Study identification

NCT ID
NCT06616974
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Tectonic Therapeutic
Industry
Enrollment
191 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 83 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
Sep 4, 2024 (Actual)
Primary completion
Nov 24, 2026 (Estimated)
Completion
Jan 5, 2027 (Estimated)
Last update posted
Jul 7, 2026

2024 – 2027

United States locations

U.S. sites
25
U.S. states
18
U.S. cities
24
Facility City State ZIP Site status
Phoenix Phoenix Arizona 85283 —
Scottsdale Scottsdale Arizona 85258 —
San Francisco San Francisco California 94143 —
Santa Rosa Santa Rosa California 95405 —
Aurora Aurora Colorado 80045 —
Jacksonville Jacksonville Florida 32216 —
Augusta Augusta Georgia 30912 —
McDonough McDonough Georgia 30253 —
Boise Boise Idaho 83706 —
USA Louisville Kentucky 40202 —
Baltimore Baltimore Maryland 21201 —
Boston Boston Massachusetts 02180 —
Minneapolis Minneapolis Minnesota 55414 —
St Louis St Louis Missouri 63110 —
Omaha Omaha Nebraska 68198 —
New York New York New York 10029 —
New York New York New York 10075 —
Durham Durham North Carolina 27710 —
Philadelphia Philadelphia Pennsylvania 19107 —
Pittsburgh Pittsburgh Pennsylvania 15213 —
York York Pennsylvania 17403 —
Port Arthur Port Arthur Texas 77642 —
Waco Waco Texas 76712 —
Salt Lake City Salt Lake City Utah 84112 —
United States Norfolk Virginia 23507 —

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 47 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06616974, 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 Jul 7, 2026 · Synced Oct 22, 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 NCT06616974 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →