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A Phase IIb Randomised, Double-blind, Placebo-controlled, Multi-centre, Dose-ranging Study of AZD3427 in Participants with Heart Failure and Pulmonary Hypertension due to Left Heart Disease (WHO Group 2)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502382-25-00
Acronym
D8330C00003
Enrollment
176
Registered
2023-07-11
Start date
2023-08-24
Completion date
2025-08-25
Last updated
2025-10-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Heart Failure and Pulmonary Hypertension due to Left Heart Disease (WHO Group 2)

Brief summary

Change in PVR from baseline to Week 25 compared with placebo, as measured by RHC

Detailed description

Change from baseline to Week 25 in RHC parameters compared with placebo. Parameters include: • mPAP and PAWP. Change from baseline to Week 25 in echocardiographic parameters compared with placebo. Parameters include: • Cardiac output, SV, EF, LVGLS, PASP, RV/LV ratio, RVOT AT, TRV, TAPSE/PASP. • Systemic vascular resistance, Change in 6MWD and KCCQ TSS from baseline to Week 25 compared with placebo. Change in NYHA FC from baseline to Week 25 compared with placebo., Change in serum creatinine, NT-proBNP, cystatin C, and eGFR from baseline to Week 13 and Week 25 compared with placebo., AZD3427 serum PK concentrations., Presence of ADAs and evaluation of ADA titres.

Interventions

Sponsors

AstraZeneca AB
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Change in PVR from baseline to Week 25 compared with placebo, as measured by RHC

Secondary

MeasureTime frame
Change from baseline to Week 25 in RHC parameters compared with placebo. Parameters include: • mPAP and PAWP. Change from baseline to Week 25 in echocardiographic parameters compared with placebo. Parameters include: • Cardiac output, SV, EF, LVGLS, PASP, RV/LV ratio, RVOT AT, TRV, TAPSE/PASP. • Systemic vascular resistance, Change in 6MWD and KCCQ TSS from baseline to Week 25 compared with placebo. Change in NYHA FC from baseline to Week 25 compared with placebo., Change in serum creatinine, NT-proBNP, cystatin C, and eGFR from baseline to Week 13 and Week 25 compared with placebo., AZD3427 serum PK concentrations., Presence of ADAs and evaluation of ADA titres.

Countries

Austria, Czechia, Denmark, Germany, Italy, Netherlands, Poland, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026