A Study of AZD3427 in Participants With Heart Failure and Pulmonary Hypertension Group 2 (Re-PHIRE)
Pulmonary Hypertension (World Health Organization Group 2), Heart Failure
About this trial
This is an interventional treatment trial for Pulmonary Hypertension (World Health Organization Group 2) focused on measuring Pulmonary Hypertension, Heart Failure, Left Heart Disease, WHO Group 2, Dose-ranging Study, Pulmonary vascular resistance
Eligibility Criteria
Inclusion criteria: Participant must be ≥ 18 years of age inclusive. Participants must have a pre-existing diagnosis of HF, NYHA function class (FC) II to IV, and a pre-existing diagnosis of PH-LHD or likely or intermediate probability of Pulmonary hypertension due to left heart disease (PH-LHD) as per 2022 Pulmonary hypertension due to left heart disease European Society of Cardiology/European Respiratory Society (ESC/ESR) guidelines. Participants must be on stable HF standard of care medication, including diuretics. Participants must have a combination of echocardiographic parameters that show intermediate or high probability of PH as per 2022 ESC/ERS guidelines. Participants must have an on-study elevated pulmonary artery pressure from RHC performed as per RHC manual provided by the Sponsor, at Screening Visit 2: PAWP ≥ 15 mmHg mPAP ≥ 20 mmHg Minimum body weight of 50 kg (inclusive). Capable of giving signed informed consent. Exclusion Criteria Diagnosis of PH in World Health Organization (WHO) Group 1, WHO Group 3, WHO Group 4, or WHO Group 5. Historical or current evidence of a clinically significant disease or disorder. Decompensated HF or any hospitalisation. Any contraindications to RHC. History of hypersensitivity to SC injections or devices. History of hypersensitivity to drugs with a similar chemical structure or class to AZD3427 or any component of AZD3427 drug product, or ongoing clinically important allergy/hypersensitivity. Known lung disease with Forced expiratory volume in the first second/Vital capacity (FEV1/VC) < 30%. Congenital long QT syndrome. Cardiac ventricular arrhythmia which requires treatment. Participants with atrial fibrillation or flutter and controlled ventricular rate are permitted. History of or anticipated heart transplant or ventricular assist device implantation. Any known planned (scheduled) highly invasive Cardiovascular (CV) procedure (eg, coronary revascularisation, ablation of atrial fibrillation/flutter, valve repair/replacement, aortic aneurysm surgery, etc). Participants who have previously received AZD3427.
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Placebo Comparator
AZD3427 Dose A
AZD3427 Dose B
AZD3427 Dose C
Placebo
The participants will receive single dose of AZD3427 Dose A every 2 weeks for 24 weeks from Day 1 to Day 155.
The participants will receive single dose of AZD3427 Dose B every 2 weeks for 24 weeks from Day 1 to Day 155.
The participants will receive single dose of AZD3427 Dose C every 2 weeks for 24 weeks from Day 1 to Day 155.
The participants will receive single dose placebo every 2 weeks for 24 weeks from Day 1 to Day 155.