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ALXN2350

Phase 1

BAG3 Mutation Associated Dilated Cardiomyopathy | Small molecule | Cardiovascular |AstraZeneca PLC|Trials Updated: Aug 28, 2026

ALXN2350 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Oct 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment6

FDA Designations

No designations recorded

ALXN2350 clinical trials

ALXN2350 · 1 trial · 1 indication

Phase 1 1
NCT07218887ALXN2350 in Adult Participants With BAG3-Associated Dilated CardiomyopathyBAG3 Mutation Associated Dilated Cardiomyopathy
RECRUITING6 Analytics
PHASE1RECRUITING
ALXN2350 in Adult Participants With BAG3-Associated Dilated Cardiomyopathy
BAG3 Mutation Associated Dilated CardiomyopathyUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Baseline up to Week 78

Secondary Endpoints

Part B: Number of Participants With TEAEs and SAEs
Baseline up to Week 78
Parts A and B: Number of Participants With Cardiac Events at Weeks 52 and 78
Weeks 52 and 78
Parts A and B: Time to the First Event of Death, Heart Transplant, Mechanical Circulating Support, or Aborted Sudden Cardiac Death
Baseline up to Week 78
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ALXN2350EXPERIMENTALParticipants will receive one of three dose levels of ALXN2350 depending on the cohort.

Interventions

NameTypeDescription
ALXN2350DRUGALXN2350 is a gene therapy product consisting of an AAV9 capsid containing BAG3 transgene. It is administered as a single intravenous (IV) infusion.
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersNo
Study Sites11

Inclusion Criteria: * Pathogenic or likely pathogenic mutation in BAG3 * Medical history of diagnosis of DCM * Stable combination of HF SoC medications * Adequate acoustic windows for echocardiography * LVEF \> 15% and ≤ 45% at Screening by echocardiography * Diagnosis of chronic HF for at least 3 ...

Countries:United StatesItalySpainUnited Kingdom
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Recent Changes (Last 90 Days)

LOWAug 28, 2026NCT07218887lastUpdatePostDate: changed
LOWAug 28, 2026NCT07218887lastUpdatePostDate: changed
LOWAug 20, 2026NCT07218887lastUpdatePostDate: changed
LOWAug 20, 2026NCT07218887lastUpdatePostDate: changed
LOWAug 20, 2026NCT07218887lastUpdatePostDate: changed
LOWAug 20, 2026NCT07218887lastUpdatePostDate: changed

Frequently asked questions about ALXN2350

What is ALXN2350?

ALXN2350 is an investigational small molecule being developed by AstraZeneca PLC for BAG3 mutation associated dilated cardiomyopathy, a genetic form of heart muscle disease. It is currently in Phase 1 clinical development and has not been approved by the FDA. The program is biomarker selected, meaning it targets patients with a specific BAG3 mutation.

What is ALXN2350 used for in BAG3 mutation associated dilated cardiomyopathy?

ALXN2350 is being studied as a potential treatment for adults with dilated cardiomyopathy associated with BAG3 mutations. This is a genetic condition that can lead to progressive heart failure. The drug is investigational and has not been approved for any indication. It is being evaluated in a Phase 1 trial that is currently recruiting.

Who makes ALXN2350?

ALXN2350 is being developed by AstraZeneca PLC, which trades on the Nasdaq under the ticker AZN. AstraZeneca is the sponsor of the ongoing Phase 1 clinical trial for the drug.

What phase is ALXN2350 in?

ALXN2350 is in Phase 1 clinical development. The only trial listed for this drug is a Phase 1 study that is currently recruiting participants. There are no completed trials for ALXN2350. It is an investigational therapy and has not received FDA approval.

What clinical trials is ALXN2350 in?

ALXN2350 is being evaluated in a single Phase 1 trial, NCT07218887, titled "ALXN2350 in Adult Participants With BAG3-Associated Dilated Cardiomyopathy." The trial is recruiting and plans to enroll 6 participants. It is an uncontrolled, open-label study taking place in the United States, Italy, Spain, and the United Kingdom.