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Brolucizumab/50 μL

Phase 3

Neovascular Age-Related Macular Degeneration | Small molecule | Ophthalmology |Alcon Inc.|Last Updated: Jan 16, 2025

Success Probability

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials3
Total Enrollment2,874

FDA Designations

No designations recorded

Clinical trial landscape

Brolucizumab/50 μL · 3 trials · 2 indications

Phase 3 2Phase 2 1
NCT02434328Efficacy and Safety of RTH258 Versus Aflibercept - Study 2Neovascular Age-Related Macular Degeneration
COMPLETED1,048 Analytics
NCT02307682Efficacy and Safety of RTH258 Versus Aflibercept - Study 1Neovascular Age-Related Macular Degeneration
COMPLETED1,775 Analytics
PHASE3COMPLETED
Efficacy and Safety of RTH258 Versus Aflibercept - Study 2
Neovascular Age-Related Macular DegenerationUnlock trial analytics
PHASE3COMPLETED
Efficacy and Safety of RTH258 Versus Aflibercept - Study 1
Neovascular Age-Related Macular DegenerationUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Best Corrected Visual Acuity (BCVA) (Letters Read) at Week 48 - Study Eye
Baseline, Week 48

BCVA (with spectacles or other visual corrective devices) was assessed using Early Treatment Diabetic Retinopathy Study (ETDRS) testing at 4 meters and reported in letters read correctly. Baseline was defined as the last measurement prior to first treatment. An increase (gain) in letters read from the baseline assessment indicates improvement. One eye (study eye) contributed to the analysis.

Maximum Analyte Serum Concentration [Cmax (ng/mL)]
Day 0 (predose), 6 hr, 24 hr, 72 hr, 168 hr, 336 hr, 504 hr, 672 hr

Serum concentrations at each collection time point were quantitated, where possible, using a validated immunoassay method. These data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Time to Reach Maximum Analyte Serum Concentration [Tmax (h)]
Day 0 (predose), 6 hr, 24 hr, 72 hr, 168 hr, 336 hr, 504 hr, 672 hr

Serum concentrations at each collection time point were quantitated, where possible, using a validated immunoassay method. These data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Area Under the Serum Concentration-time Curve From Time Zero to the Time of the Last Quantifiable Concentration [AUC0-tlast (ng*h/mL)]
Day 0 (predose), 6 hr, 24 hr, 72 hr, 168 hr, 336 hr, 504 hr, 672 hr

Serum concentrations at each collection time point were quantitated, where possible, using a validated immunoassay method. These data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Area Under the Concentration-time Curve From 0 to Infinity [AUC0-inf (ng*h/mL)]
Day 0 (predose), 6 hr, 24 hr, 72 hr, 168 hr, 336 hr, 504 hr, 672 hr

Serum concentrations at each collection time point were quantitated, where possible, using a validated immunoassay method. These data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Elimination Half-life in Serum [t1/2 (h)]
Day 0 (predose), 6 hr, 24 hr, 72 hr, 168 hr, 336 hr, 504 hr, 672 hr

Serum concentrations at each collection time point were quantitated, where possible, using a validated immunoassay method. These data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Concentration of RTH258 Obtained 24 Hours Post Day 0 Injection [C24hr (ng/mL)]
Day 1

Serum concentration at the specified collection time point was quantitated, where possible, using a validated immunoassay method. The data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Concentration of RTH258 Obtained 24 Hours Post Day 56 Injection [C24hr (ng/mL)]
Day 57

Serum concentration at the specified collection time point was quantitated, where possible, using a validated immunoassay method. The data were analyzed using a noncompartmental pharmacokinetic (PK) method.

Secondary Endpoints

Average Change From Baseline in BCVA (Letters Read) Over the Period Week 36 Through Week 48 - Study Eye
Baseline, Weeks 36, 40, 44, 48
Proportion of Subjects With Positive q12 (Every 12 Weeks) Treatment Status at Week 48
Weeks 16, 20, 28, 32, 40, 44, 48
Proportion of Subjects With Positive q12 Treatment Status at Week 48 Within the Subjects With no q8 (Every 8 Weeks) Treatment Need During the Initial q12w Cycle (Week 16, Week 20)
Weeks 16, 20, 28, 32, 40, 44, 48
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Brolucizumab 6 mgEXPERIMENTALSingle intravitreal (IVT) injection of brolucizumab at Day 0, Week 4, and Week 8, followed by 1 injection every 8 weeks/1 injection every 12 weeks (q8w/q12w) maintenance regimen until study exit
Aflibercept 2 mgACTIVE_COMPARATORSingle IVT injection of aflibercept ophthalmic solution at Day 0, Week 4, and Week 8, followed by q8w maintenance regimen until study exit
Brolucizumab 3 mgEXPERIMENTALSingle intravitreal (IVT) injection of brolucizumab ophthalmic solution administered as a 3 mg/50 microliter (μL) dose at Day 0, Week 4, and Week 8, followed by 1 injection every 8 weeks/1 injection every 12 weeks (q8w/q12w) maintenance regimen until study exit

Interventions

NameTypeDescription
Brolucizumab ophthalmic solutionDRUGOphthalmic solution for IVT injection administered as a 6 mg/50 µL dose
Aflibercept ophthalmic solutionDRUGOphthalmic solution for IVT injection administered as a 2 mg/50 µL dose
Brolucizumab 3 mg/50 μLDRUGAdministered as an intravitreal injection
Brolucizumab 6 mg/50 μLDRUGAdministered as an intravitreal injection
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Eligibility Criteria

Age Range50 Years to N/A
SexALL
Healthy VolunteersNo

Key Inclusion Criteria: * Provide written informed consent; * Active CNV lesions secondary to AMD that affected the central subfield in the study eye at Screening; * Total area of CNV \> 50% of the total lesion area in the study eye at Screening; * Intraretinal and/or subretinal fluid affecting the...

Countries:United States
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Frequently asked questions about Brolucizumab/50 μL

What is Brolucizumab/50 μL used for?

Brolucizumab/50 μL is an investigational small molecule being developed for the treatment of neovascular age-related macular degeneration, a condition that causes abnormal blood vessel growth in the eye. It is administered as an intravitreal injection and is currently in Phase 3 clinical development.

Who makes Brolucizumab/50 μL?

Brolucizumab/50 μL is being developed by Alcon Inc., a company traded on the stock exchange under the ticker symbol ALC. The drug is currently in Phase 3 clinical trials for the treatment of neovascular age-related macular degeneration.

What phase is Brolucizumab/50 μL in?

Brolucizumab/50 μL is in Phase 3 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. The drug is being studied for the treatment of neovascular age-related macular degeneration.

What clinical trials is Brolucizumab/50 μL in?

Brolucizumab/50 μL has completed three clinical trials. Two Phase 3 trials, NCT02307682 and NCT02434328, compared the drug to aflibercept in patients with neovascular age-related macular degeneration. A Phase 2 trial, NCT02507388, evaluated its safety and pharmacokinetics. All trials have been completed.

Is Brolucizumab/50 μL the same as RTH258?

Yes, Brolucizumab/50 μL is also known as RTH258. The clinical trials for this drug, including NCT02307682, NCT02434328, and NCT02507388, refer to it as RTH258. It is being developed by Alcon Inc. for neovascular age-related macular degeneration.