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A Sequential Phase 2b and Phase 3 Study to Evaluate the Efficacy and Safety of AZD4831 in Participants with Heart Failure with Left Ventricular Ejection Fraction > 40%

Phase 1
Conditions
Heart Failure with Left Ventricular Ejection Fraction > 40%
MedDRA version: 20.0Level: LLTClassification code 10019279Term: Heart failureSystem Organ Class: 100000004849
Therapeutic area: Diseases [C] - Cardiovascular Diseases [C14]
Registration Number
EUCTR2020-005844-47-BE
Lead Sponsor
AstraZeneca AB
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
1485
Inclusion Criteria

1. = 40 to = 85 years of age, at the time of signing the informed consent.
2. Documented stable symptomatic HF (New York Heart Association Class II-IV) for at least 1 month at Screening (Visit 1) (transient HF in the setting of an MI does not qualify), with a medical history of typical symptoms of HF and receiving optimal therapy for HF as determined by the health-care physician.
3. LVEF > 40% at Screening (Visit 1). All participants will undergo a local echocardiogram at the Screening (Visit 1) with central reading to confirm the LVEF > 40% eligibility criteria before randomisation.
4. 6MWD = 30 meters and = 400 meters at Screening (Visit 1) and Randomisation (Visit 3). Difference in 6MWD between Screening and Randomisation must be < 50 meters.
5. KCCQ-TSS = 90 points at Screening (Visit 1) and Randomisation (Visit 3)
6.NT-proBNP = 250 pg/mL (sinus rhythm) or = 500 pg/mL (atrial fibrillation/flutter) at Screening (Visit 1) for patients with BMI =30 kg/m2.
NT-proBNP = 200 pg/mL (sinus rhythm) or = 400 pg/mL (atrial fibrillation/flutter) at Screening (Visit 1) for patients with BMI > 30 kg/m2.
The ECG performed at Screening should be used for heart rhythm evaluation.
7.At least one of the following:
(a) Structural heart disease, ie, LA enlargement and/or left ventricular hypertrophy at the echocardiogram performed at Screening (Visit 1). Left atrial enlargement is defined by at least 1 of the following: LA width (diameter) = 3.8 cm or LA length = 5.0 cm, or LA area = 20 cm2 or LA volume = 55 mL or LAVI > 34 mL/m2. Left ventricular hypertrophy is defined by septal thickness or posterior wall thickness = 1.1 cm or LVMI > 95 g/m2 in women and > 115 g/m2 in men.
(b) Spectral tissue Doppler echocardiography - E/e’ ratio (average of septal and lateral) = 13 at rest at the echocardiogram performed at Screening (Visit 1).
(c) Indirectly estimated elevation of PASP by TRmax velocity > 2.8 m/s (280 cm/s) (PASP > 35 mmHg) at the echocardiogram performed at Screening (Visit 1) OR directly measured pulmonary capillary wedge pressure > 15 mmHg at rest within the past 12 months or > 25 mmHg at exercise documented by right heart catheterisation within 12 months prior to Screening (Visit 1).
(d) HF decompensation within 6 months before Randomisation (Visit 3), defined as hospitalisation for HF or IV diuretic treatment for HF during an urgent, unscheduled visit without hospitalisation.
8.Body mass index = 18.0 kg/m2 and = 45.0 kg/m2
9.Male or female of non-childbearing potential.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 445
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 1040

Exclusion Criteria

1 eGFR < 30 mL/min/1.73m2 (Chronic Kidney Disease-Epidemiology Collaboration formula) at Screening (Visit 1).
2. Systolic blood pressure < 90 mmHg or = 160 mmHg if not on treatment with = 3 blood pressure lowering medications or = 180 mmHg irrespective of treatments at Randomisation
3. Heart rate > 110 bpm or < 50 bpm at Randomisation
4. Life expectancy < 3 years due to other reasons than cardiovascular disease.
5. History or ongoing allergy/hypersensitivity reactions to drugs (including but not limited to rash, angioedema, acute urticaria).
6. Presence of any disease or condition rather than HF constituting the main reason for limiting the ability to exercise/reduced exercise capacity.
7. Current decompensated HF and/or NT-proBNP > 5000 pg/mL at Screening (Visit 1)
8. Documented history of ejection fraction = 40%.i.e. HF with recovered ejection fraction. Transient ejection fraction decrease e.g. in the setting of an MI does not apply
9. Any planned cardiovascular procedure (eg, coronary revascularisation, ablation of atrial fibrillation/flutter, valve repair/replacement, aortic aneurysm surgery, etc).
10. Any cardiac event (eg, myocardial infarction, unstable angina), coronary revascularisation (percutaneous coronary intervention or coronary artery bypass grafting), ablation of atrial fibrillation/flutter, valve repair/replacement, implantation of a cardiac resynchronisation therapy device within 12 weeks prior to Screening (Visit 1) or between Screening and Randomisation (Visit 3).
14. Hb < 110 g/L (male) and < 100 g/L (female) or iron-deficiency with/without anaemia requiring ongoing or planned IV iron treatment.
15. Participants with hyperthyroidism, uncontrolled hypothyroidism, or any clinically significant thyroid disease as judged by the investigator.
18. ALT or AST = 2 × ULN at Screening (Visit 1).
19. Primary pulmonary hypertension, chronic pulmonary embolism, severe pulmonary disease including COPD (ie, requiring home oxygen, chronic nebulizer therapy or chronic oral steroid therapy, or hospitalization for exacerbation of COPD requiring ventilatory support within 12 months prior to Screening (Visit 1).
20. Any active infection requiring oral, intravenous or intramuscular treatment.
24. Any concomitant medications known to be a potent CYP3A4 inducers or inhibitors, eg, itraconazole, rifampicin, clarithromycin, or propylthiouracil

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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