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4D-150

Phase 3

Macular Neovascularization Secondary to Age-Related Macular Degeneration | Monoclonal antibody | Ophthalmology |4D Molecular Therapeutics, Inc.|Trials Updated: Aug 21, 2026

Target and mechanism

Molecular targetVEGF
Target classProtein
ModalityMonoclonal antibody

Also known as 4D-150 IVT

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials4
Total Enrollment1,247

FDA Designations

RMAT

Clinical trial landscape

4D-150 · 4 trials · 5 indications

Phase 3 2Phase 2 1Phase 1 1
NCT07064759Single Intravitreal (IVT) Injection of 4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular DegenerationNeovascular Age-Related Macular Degeneration (nAMD)
RECRUITING480 Analytics
NCT068649884D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular DegenerationMacular Neovascularization Secondary to Age-Related Macular Degeneration
ACTIVE NOT_RECRUITING480 Analytics
PHASE3RECRUITING
Single Intravitreal (IVT) Injection of 4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular Degeneration
Neovascular Age-Related Macular Degeneration (nAMD)Unlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular Degeneration
Macular Neovascularization Secondary to Age-Related Macular DegenerationUnlock trial analytics

Study Endpoints

Primary Endpoints

Mean change from baseline in Best Corrected Visual Accuity (BCVA) Early Treatment for Diabetic Retinopathy (ETDRS) letter score at Week 52
52 Weeks
Mean change from baseline in BCVA ETDRS letter score at Week 52
52 Weeks
Incidence and severity of TEAEs and SAEs, including clinically significant changes in safety parameters (Part 1)
60 months
Annualized number of aflibercept injections in the study eye (Part 2)
52 weeks
Incidence and severity of treatment emergent adverse events (TEAEs) and serious adverse events (SAEs), including clinically significant changes in safety parameters
52 weeks

Secondary Endpoints

Mean annualized number of aflibercept injections after Week 4 through Weeks 52 and 104
104 Weeks
Incidence and timing of aflibercept injections after Week 4 through Weeks 52 and 104
104 Weeks
Proportion of subjects not requiring aflibercept injections after Week 4 through Weeks 52 and 104 in the 4D-150 arm
104 Weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
4D-150 IVT (3E10 vg/eye)EXPERIMENTAL -
Aflibercept (AFLB) 2 mg IVTACTIVE_COMPARATOR -
4D-150 Part 1 Dose Confirmation Dose Level 1EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Part 1 Dose Confirmation Dose Level 2EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Part 2 Dose Expansion Dose Level 1EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Part 2 Dose Expansion Dose Level 2EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Part 2 Dose Expansion ControlACTIVE_COMPARATORAflibercept at a fixed regimen will be administered.
4D-150 Dose Escalation up to 4 dose levelsEXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Dose Expansion Dose 1EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Dose Expansion Dose 2EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Dose Expansion ControlACTIVE_COMPARATORAflibercept at a fixed regimen will be administered.
4D-150 Steroid OptimizationEXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Population Extension Dose 1EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Population Extension Dose 2EXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Population Extension Dose 3EXPERIMENTAL4D-150 will be administered at the assigned dose
4D-150 Contralateral Eye DoseEXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.
4D-150 Vector Shedding DoseEXPERIMENTAL4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1.

Interventions

NameTypeDescription
4D-150 IVT (3E10 vg/eye)BIOLOGICALIf randomized to the 4D-150 treatment arm, 4D-150 will be administered at the assigned dose level as a single dose IVT injection on Day 1
EYLEA® (aflibercept) Injection 2 mg (0.05mL)BIOLOGICALEylea (aflibercept) will be administered at applicable visits
4D-150 IVTBIOLOGICAL4D-150: AAV-based gene therapy comprised of miRNA targeting VEGF-C and codon-optimized sequence encoding aflibercept.
Aflibercept IVTBIOLOGICALCommercially available Active Comparator
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Eligibility Criteria

Age Range50 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites94

Inclusion Criteria: * ≥50 years of age at time of consent * MNV secondary to nAMD with IVT anti-VEGF treatment history in the study eye, defined as EITHER: 1. Treatment naïve, i.e. no prior IVT anti-VEGF therapy OR 2. Previously treated with no more than 4 IVT anti-VEGF injections due to nAMD ...

Countries:United StatesArgentinaAustraliaBulgariaGermanyHungaryItalyJapanLatviaLithuaniaPortugalSingaporeSpainUnited KingdomCanadaPuerto Rico
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Recent Changes (Last 90 Days)

LOWAug 21, 2026NCT05197270lastUpdatePostDate: changed
LOWAug 21, 2026NCT05930561lastUpdatePostDate: changed
LOWAug 21, 2026NCT05197270lastUpdatePostDate: changed
LOWAug 21, 2026NCT05930561lastUpdatePostDate: changed

Frequently asked questions about 4D-150

What is 4D-150 used for?

4D-150 is an investigational ophthalmology therapy being studied for retinal vascular diseases, including neovascular (wet) age-related macular degeneration, macular neovascularization secondary to age-related macular degeneration, and diabetic macular edema. It is also being evaluated in diabetic retinopathy. It is not approved for any use and remains in clinical development.

What does 4D-150 target?

4D-150 targets VEGF, or vascular endothelial growth factor, a protein that drives abnormal blood vessel growth and leakage in the retina. By targeting VEGF, the therapy aims to address the underlying vascular process in conditions such as neovascular age-related macular degeneration and diabetic macular edema. It is a monoclonal antibody-based modality.

Who is developing 4D-150?

4D-150 is being developed by 4D Molecular Therapeutics, Inc., which trades on the Nasdaq under the ticker FDMT. The company is the sponsor of the clinical program evaluating the therapy across retinal vascular indications, including neovascular age-related macular degeneration and diabetic macular edema.

What phase is 4D-150 in?

4D-150 is in Phase 2 development overall, with later-stage activity in neovascular age-related macular degeneration. The program includes Phase 3 studies in macular neovascularization secondary to age-related macular degeneration, a Phase 2 study in diabetic macular edema, and a Phase 1 study in neovascular (wet) age-related macular degeneration. It is investigational and has not been approved by the FDA.

What clinical trials is 4D-150 in?

4D-150 is being studied in several registered trials. NCT07064759 is a recruiting Phase 3 study of a single intravitreal injection in macular neovascularization secondary to age-related macular degeneration. NCT06864988 is a Phase 3 study in the same condition that is active but not recruiting. NCT05930561 is a Phase 2 diabetic macular edema study, and NCT05197270 is a Phase 1 wet AMD study.

Is 4D-150 the same as 4D-150 IVT?

Yes. 4D-150 IVT and 4D-150 IVT (3E10 vg/eye) are alternative names for 4D-150, referring to intravitreal administration of the therapy. Searches using those terms refer to the same investigational program developed by 4D Molecular Therapeutics for retinal vascular diseases.