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IONIS-FB-LRx

Phase 2

Macular Degeneration | Small molecule | Ophthalmology |Ionis Pharmaceuticals, Inc.|Trials Updated: Mar 7, 2025

IONIS-FB-LRx development status

Highest phase Phase 2
Registered trials 3 across 1 sponsor since Feb 2018

IONIS-FB-LRx target and mechanism

ModalitySmall molecule

Also known as ISIS 696844

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials2
Total Enrollment355

FDA Designations

No designations recorded

IONIS-FB-LRx clinical trials

IONIS-FB-LRx · 2 trials · 3 indications

Phase 2 2
NCT04014335A Study to Evaluate the Effectiveness and Safety of IONIS-FB-LRx, an Antisense Inhibitor of Complement Factor B, in Adult Participants With Primary IgA NephropathyPrimary IgA Nephropathy
COMPLETED23 Analytics
NCT03815825GOLDEN STUDY: A Study to Assess Safety and Efficacy of Multiple Doses of IONIS-FB-LRx in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration (AMD)Macular Degeneration
COMPLETED332 Analytics
PHASE2COMPLETED
A Study to Evaluate the Effectiveness and Safety of IONIS-FB-LRx, an Antisense Inhibitor of Complement Factor B, in Adult Participants With Primary IgA Nephropathy
Primary IgA NephropathyUnlock trial analytics
PHASE2COMPLETED
GOLDEN STUDY: A Study to Assess Safety and Efficacy of Multiple Doses of IONIS-FB-LRx in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration (AMD)
Macular DegenerationUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent Reduction in 24-hour Urine Protein Excretion
Baseline to Week 29 (If participant discontinues Study Drug prior to Week 25, Baseline and 4 weeks after the last dose of Study Drug will be measured)
Rate of Change from Baseline in the Geographic Atrophy (GA) Area at Week 49, as Assessed by Retinal Imaging
Week 49

Secondary Endpoints

Absolute Reduction in 24-hour Urine Protein Excretion
Baseline to Week 29 (If participant discontinues Study Drug prior to Week 25, Baseline and 4 weeks after the last dose of Study Drug will be measured)
Absolute Reduction in Albuminuria (UACr Ratio)
Baseline to Week 29
Absolute Reduction in Proteinuria (UPCr Ratio)
Baseline to Week 29
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
IONIS-FB-LRxEXPERIMENTAL -
PlaceboEXPERIMENTALStage 1 participants will receive a placebo matching solution, administered subcutaneously every 4 weeks, completing the treatment period at Week 45. Stage 2 participants will receive a placebo matching solution, administered subcutaneously every 4 weeks, completing the treatment period at Week 45.

Interventions

NameTypeDescription
IONIS-FB-LRxDRUGParticipants will receive IONIS-FB-LRx, by subcutaneous injection (SC) at Week 1 and every 4 weeks through Week 25. Optional 48-week Extension, with drug dosing continuing every 4 weeks.
PlaceboDRUGPlacebo matching solution, administered subcutaneously every 4 weeks
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria * Females must be non-pregnant and non-lactating, and either surgically sterile or post-menopausal OR use a highly effective method of birth control * Biopsy-proven primary immunoglobulin A (IgA) nephropathy * Hematuria * Proteinuria Exclusion Criteria * Clinically significant ...

Countries:AustraliaCanadaNew ZealandSingaporeUnited StatesAustriaCzechiaNetherlandsPolandSpain
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Frequently asked questions about IONIS-FB-LRx

What is IONIS-FB-LRx used for?

IONIS-FB-LRx is an investigational antisense drug being studied for primary IgA nephropathy and for geographic atrophy secondary to age-related macular degeneration. It is in Phase 2 clinical development and has not been approved by the FDA.

Who makes IONIS-FB-LRx?

IONIS-FB-LRx is being developed by Ionis Pharmaceuticals, Inc., a biopharmaceutical company traded on NASDAQ under the ticker IONS.

What phase is IONIS-FB-LRx in?

IONIS-FB-LRx is in Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA for any use.

What clinical trials is IONIS-FB-LRx in?

IONIS-FB-LRx has been studied in two completed Phase 2 trials. The GOLDEN STUDY (NCT03815825) evaluated the drug in 332 participants with geographic atrophy secondary to age-related macular degeneration. A second trial (NCT04014335) evaluated it in 23 adults with primary IgA nephropathy.