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Sifalimumab

Phase 2

Systemic Lupus Erythematosus | Small molecule | Immunology |AstraZeneca PLC|Last Updated: Apr 19, 2018

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment952
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01283139A Study to Evaluate the Efficacy and Safety of Sifalimumab in Adults With Systemic Lupus ErythematosusPHASE2 COMPLETED 834Mar 31, 2011Apr 17, 2014Apr 19, 2018107 United States, Argentina +20
NCT00979654A Study to Evaluate the Long-Term Safety of MEDI-545 in Adult Participants With Systemic Lupus Erythematosus or MyositisPHASE2 COMPLETED 118Aug 1, 2010Mar 1, 2015Oct 27, 201628 United States, Brazil +2
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Study Endpoints
Primary Endpoints
Percentage of Participants Achieving a Response in Systemic Lupus Erythematosus Responder Index 4 (SRI [4])
Day 365

SRI (4) responder is defined as: 1) a reduction in baseline Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) disease activity score of greater than or equal to (\>=) 4 points (with increased deoxyribonucleic acid \[DNA\] binding item of SLEDAI-2K score based on the ANA Multi-Lyte® ANA-II Plus Test System); 2) no worsening in Physician Global Assessment (MDGA) (worsening is defined as an increase of \>=0.3 from baseline on a 0-3 visual analogue scale) and 3) no worsening in British Isles Lupus Assessment Group (BILAG-2004) (worsening is defined as at least 1 new 'A' score or 2 new 'B' scores on the BILAG-2004 compared with baseline).

Percentage of Participants Achieving a Positive Response in SRI (4) in 4-Gene Interferon Test High Participants
Day 365

SRI (4) responder is defined as: 1) a reduction in baseline SLEDAI-2K disease activity score of \>=4 points (with increased DNA binding item of SLEDAI-2K score based on the ANA Multi-Lyte® ANA-II Plus Test System); 2) no worsening in Physician Global Assessment (MDGA) (worsening is defined as an increase of \>=0.3 from baseline on a 0-3 visual analogue scale) and 3) no worsening in BILAG-2004 (worsening is defined as at least 1 new 'A' score or 2 new 'B' scores on the BILAG-2004 compared with baseline).

Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Emergent Serious Adverse Events (TESAEs)
From start of study drug administration until week 182

An adverse event (AE) was any untoward medical occurrence attributed to study drug in a participant who received investigational product. A serious adverse event (SAE) was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent were events between administration of investigational product and 30 days after the last dose of study drug that were absent before treatment or that worsened relative to pre-treatment state.

Secondary Endpoints
Percentage of Participants on Greater Than or Equal to 10 mg/Day Oral Prednisone (or Equivalent) at Baseline Who Were Able to Reduce to Less Than or Equal to (<=) 7.5 mg/Day
Day 365
Percentage of Participants With a Cutaneous Lupus Erythematosus Disease Activity and Severity Index (CLASI) Activity Score Greater Than or Equal to (>=) 10 at Baseline Who Achieved a >= 4-point Reduction
Day 365
Percentage of Participants Who Achieved a Greater Than 3-Point Improvement in the Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Scale
Day 365
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Sifalimumab 200 milligram (mg)EXPERIMENTALSifalimumab 200 milligram (mg) will be administered intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
Sifalimumab 600 mgEXPERIMENTALSifalimumab 600 mg will be administered intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
Sifalimumab 1,200 mgEXPERIMENTALSifalimumab 1,200 mg will be administered intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
PlaceboPLACEBO_COMPARATORPlacebo matching to sifalimumab will be administered intravenously at a fixed dose every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
Sifalimumab (MEDI-545) 500 or 600 milligram (mg)EXPERIMENTALAll participants will receive intravenous (IV) sifalimumab as fixed dose of 500 mg every 2 weeks (Q2W) on Day 1, Week 2, and Week 4, then every 4 weeks (Q4W) thereafter for a total of 156 weeks. The initial fixed dose of 500 mg is increased to 600 mg with subsequent protocol amendment.
Interventions
NameTypeDescription
Sifalimumab 200 mgBIOLOGICALSifalimumab 200 mg intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
Sifalimumab 600 mgBIOLOGICALSifalimumab 600 mg intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
Sifalimumab 1,200 mgBIOLOGICALSifalimumab 1,200 mg intravenously every 2 weeks for 4 weeks and then monthly for 44 weeks for a total of 14 doses.
PlaceboOTHERIV Placebo every 2 weeks for 4 weeks and then monthly for 44 weeks
SifalimumabDRUGAll participants will receive intravenous (IV) sifalimumab as fixed dose of 500 mg every 2 weeks (Q2W) on Day 1, Week 2, and Week 4, then every 4 weeks (Q4W) thereafter for a total of 156 weeks. The initial fixed dose of 500 mg is increased to 600 mg with subsequent protocol amendment.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites107

Inclusion Criteria: - Fulfills at least 4 of American College of Rheumatology (ACR) criteria for systemic lupus erythematosus (SLE) including a positive antinuclear antibody (ANA) or elevated ds-deoxyribonucleic acid (DNA) or Sm antibody at screening - Disease history of SLE greater than or equal to...

Countries:United StatesArgentinaBrazilBulgariaCanadaChileFranceGermanyHungaryIndiaItalyJamaicaMexicoNetherlandsPeruPhilippinesPolandRomaniaSouth AfricaSpainThailandUnited Kingdom
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