A trial to learn how safe AZD4063 is, how it moves throughout the body over time, and how it affects the levels of PLN mRNA in adults with dilated cardiomyopathy because of an R14del mutation in the PLN gene

2025-522002-20-00 Protocol D8340C00001 Human pharmacology (Phase I) - First administration to humans Ongoing, recruiting

Start 20 Nov 2025 · Status Ongoing, recruiting · 1 EU/EEA countries · 4 sites · Protocol D8340C00001

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ongoing, recruiting
Participants planned 36
Countries 1
Sites 4

PLN R14del Dilated Cardiomyopathy

Key facts

Sponsor
AstraZeneca AB
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Cardiovascular Diseases [C14]
Trial duration
20 Nov 2025 → ongoing
Decision date (initial)
2025-11-03
Transition trial
No
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

PLN R14del Dilated Cardiomyopathy

VersionLevelCodeTermSystem organ class
26.0 PT 10056419 Dilated cardiomyopathy 10007541

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

AstraZeneca AB

Sponsor organisation
AstraZeneca AB
Address
-
City
Sodertalje
Postcode
151 85
Country
Sweden

Scientific contact point

Organisation
AstraZeneca AB
Contact name
Clinical Study Information Centre

Public contact point

Organisation
AstraZeneca AB
Contact name
Clinical Study Information Centre

Locations

1 EU/EEA country · 4 investigational sites

By country

CountryMS statusPlanned subjectsSites
Netherlands Ongoing, recruiting 36 4
Rest of world 0

Investigational sites

Netherlands

4 sites · Ongoing, recruiting
Universitair Medisch Centrum Utrecht
5003:Cardiology, Heidelberglaan 100, 3584 CX, Utrecht
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
5001:Cardiology, Dr. Molewaterplein 40, 3015 GD, Rotterdam
Amsterdam UMC Stichting
5004: unspecified, De Boelelaan 1117, 1081 HV, Amsterdam
Universitair Medisch Centrum Groningen
5002:Cardiology, Hanzeplein 1, 9713 GZ, Groningen

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Netherlands 2025-11-20 2025-12-01

Application history

2 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-07-17 Netherlands Acceptable with conditions
2025-11-03
2025-11-03
2 SUBSTANTIAL MODIFICATION SM-1 2026-01-08 Netherlands Acceptable
2026-02-27
2026-03-23