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4D-310

Phase 1

Fabry Disease | Monoclonal antibody | Rare Disease |4D Molecular Therapeutics, Inc.|Trials Updated: Feb 21, 2025

4D-310 development status

Highest phase Phase 1
Registered trials 2 across 1 sponsor since Aug 2020

4D-310 target and mechanism

Molecular targetGLA
ModalityMonoclonal antibody

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials2
Total Enrollment36

FDA Designations

No designations recorded

4D-310 clinical trials

4D-310 · 2 trials · 1 indication

Phase 1 2
NCT056295594D-310 in Adults With Fabry Disease and Cardiac InvolvementFabry Disease
RECRUITING18 Analytics
NCT04519749An Open-label, Phase 1/2 Trial of Gene Therapy 4D-310 in Adults With Fabry DiseaseFabry Disease
ACTIVE NOT_RECRUITING18 Analytics
PHASE1RECRUITING
4D-310 in Adults With Fabry Disease and Cardiac Involvement
Fabry DiseaseUnlock trial analytics
PHASE1ACTIVE NOT_RECRUITING
An Open-label, Phase 1/2 Trial of Gene Therapy 4D-310 in Adults With Fabry Disease
Fabry DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence and severity of adverse events
1 year

Incidence and severity of adverse events following a single IV dose of 4D-310intravenous (IV) dose

Secondary Endpoints

Change from baseline in serum AGA activity
1 year
Change from baseline serum globotriaosylsphingosine (lysoGb3)
1 year
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
4D-310 Dose Level -1EXPERIMENTALSingle IV administration of 4D-310 Dose Level -1
4D-310 Dose Level 2EXPERIMENTALSingle IV administration of 4D-310 Dose Level 2
4D-310 Dose Level 3EXPERIMENTALSingle IV administration of 4D-310 at Dose Level 3
4D-310 Dose Level 1 (No longer enrolling)EXPERIMENTALNo longer enrolling - Single IV administration of 4D-310 at Dose Level 1
4D-310 Dose Level 1 - AAV Neutralizing Antibody (NAb) Group AEXPERIMENTALSingle IV administration of 4D-310 Dose Level 1 - AAV NAb Titer Group A patients
4D-310 Dose Level 1 - AAV NAb Titer Group BEXPERIMENTALSingle IV administration of 4D-310 Dose Level 1 - AAV NAb titer Group B patients
4D-310 Dose Level 2 - AAV NAb Titer Group A and/or BEXPERIMENTALSingle IV administration of 4D-310 at Dose Level 2 in AAV NAb titer Group A and/or B patients
4D-310 Dose ExpansionEXPERIMENTALDose expansion cohort of single IV administration of 4D-310 at the selected dose and selected AAV Nab titer group(s) patients

Interventions

NameTypeDescription
4D-310BIOLOGICALSingle IV administration of 4D-310
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: 1. Male or female ≥ 18 to ≤65 years of age 2. Pathogenic GLA mutation consistent with Fabry Disease 3. Confirmed diagnosis of classic or late-onset Fabry disease with cardiac involvement 4. Intolerant of ERT, unable or unwilling to receive ERT, or progressive disease despite ERT...

Countries:AustraliaTaiwanUnited States
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Frequently asked questions about 4D-310

What is 4D-310 used for in Fabry Disease?

4D-310 is an investigational gene therapy being developed for the treatment of Fabry Disease, a rare genetic disorder. It is designed to address the underlying cause of the disease by delivering a functional copy of the GLA gene to produce the missing enzyme. 4D-310 is currently in Phase 1 clinical trials.

What does 4D-310 target?

4D-310 targets the GLA gene, which encodes the enzyme alpha-galactosidase A. In Fabry Disease, mutations in this gene lead to enzyme deficiency and harmful buildup of certain fats in cells. By delivering a working GLA gene, 4D-310 aims to restore enzyme activity and potentially alleviate disease symptoms.

Who makes 4D-310?

4D-310 is being developed by 4D Molecular Therapeutics, Inc., a biopharmaceutical company traded on the stock exchange under the ticker symbol FDMT. The company is focused on developing targeted gene therapies for rare diseases, with 4D-310 being one of its lead candidates for Fabry Disease.

What phase is 4D-310 in?

4D-310 is currently in Phase 1 clinical development. It is an investigational drug and has not yet been approved by regulatory authorities. The ongoing Phase 1 trials are designed to evaluate the safety, tolerability, and preliminary efficacy of 4D-310 in adult patients with Fabry Disease.

What clinical trials is 4D-310 in?

4D-310 is being studied in two Phase 1 clinical trials. The first, NCT05629559, is recruiting adults with Fabry Disease and cardiac involvement in Australia and Taiwan. The second, NCT04519749, is an active but not recruiting open-label trial in the United States. Both trials enroll 18 participants each.

Is 4D-310 the same as gene therapy?

Yes, 4D-310 is a form of gene therapy. It is designed to deliver a functional copy of the GLA gene to cells, addressing the root cause of Fabry Disease. This approach differs from traditional enzyme replacement therapies, as it aims to provide a long-term or potentially one-time treatment by restoring the body's ability to produce the needed enzyme.