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)
Tectonic Therapeutic
Summary
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).
Description
This study will enroll approximately 180 participants and eligible patients will be randomized to one of 3 treatment arms: * Arm 1: Treatment Group 1: Placebo delivered subcutaneously (SC) every 2 weeks (Q2W) for 24 weeks * Arm 2: Treatment Group 2: TX000045 SC at Dose A Q2W for 24 weeks * Arm 3: Treatment Group 3: TX000045 SC at Dose B Q2W alternating with Placebo Q2W for 24 weeks
Eligibility
- Age range
- 18–83 years
- Sex
- All
- Healthy volunteers
- No
Inclusion Criteria: 1. Is a male or female of non-childbearing potential between the ages of 18 and 83 years. 2. Has a diagnosis of PH-HFpEF based on baseline echocardiogram and right heart catheterization (RHC). 3. Has NYHA functional class II- III heart failure. 4. Has 6MWT distance from 100 to 450m. 5. Chronic medication for heart failure or cardiovascular disease is at a stable dose prior to screening. 6. Is able to understand and provide documented consent for participation. Exclusion Criteria: 1. Diagnosis of PH in World Health Organization (WHO) Group 1, WHO Group 3, WHO Group 4, or…
Interventions
- DrugTX000045- Dose A
The participants will receive a subcutaneous injection of Dose A of TX000045 every 2 weeks for 24 weeks.
- DrugTX000045- Dose B
The participants will receive subcutaneous injection of Dose B of TX000045 every 4 weeks for 24 weeks where they will alternate between TX000045 and placebo every 2 weeks.
- DrugPlacebo
The participants will receive a subcutaneous injection of placebo every 2 weeks for 24 weeks.
Locations (86)
- PhoenixPhoenix, Arizona
- ScottsdaleScottsdale, Arizona
- San FranciscoSan Francisco, California
- Santa RosaSanta Rosa, California
- AuroraAurora, Colorado
- JacksonvilleJacksonville, Florida