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AMG 557

Phase 1

Lupus Arthritis, Systemic Lupus Erythematosus | Small molecule | Immunology |Amgen Inc.|Last Updated: Jan 24, 2017

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_CONTROLLEDBiomarker
Total Trials1
Total Enrollment20
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01683695Safety Study of AMG 557 in Subjects With Lupus ArthritisPHASE1 COMPLETED 20Jun 1, 2012Mar 1, 2016Jan 24, 201713 United States, Australia +6
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Study Endpoints
Primary Endpoints
Treatment-emergent adverse events, vital signs, physical examinations, clinical laboratory tests, ECGs, and the incidence of binding and neutralizing antibodies to AMG 557.
330 days, including a 21-day screening period
Lupus Arthritis Response Rate
Day 169

Defined by: 1) achieving at least a 50% decrease in the combined tender and swollen joint count compared to baseline at Day 169; 2) achieving one letter improvement in the Musculoskeletal System BILAG at Day 169 compared to baseline; 3) reduction in and maintenance of prednisone (or its equivalent) dose to ≤ 50% of baseline corticosteroid dose (Day 1 predose) or ≤ 7.5 mg/day, whichever is lower, from Day 85 to Day 169 in subjects not treated with immunosuppressants at baseline, or reduction in and maintenance of prednisone (or its equivalent) dose to ≤ 7.5 mg/day from Day 85 to Day 169 and discontinuation of immunosuppressants by Day 29 in subjects treated with immunosuppressants at baseline

Secondary Endpoints
Proportion of subjects achieving a) one letter improvement; and b) 'C' or better score in the Musculoskeletal system from BILAG index at Day 169 compared to baseline, by treatment group.
Day 169
Percentage change in the tender and swollen joint counts at Day 169 relative to baseline.
Day 169
Proportion of subjects achieving reduction in and maintenance ≤ 7.5 mg/day of prednisone (or equivalent) from Day 85- Day 169 and discontinuation of immunosuppressants by Day 29 in subjects treated with immunosuppressants at baseline.
Days 85-169
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AMG 557ACTIVE_COMPARATORAll will receive AMG 557 on Day 1, Day 8, Day 15, Day 29, Day 43, Day 57, Day 71, Day 85, Day 99, Day 113, Day 127, Day 141 and Day 155.
AMG 557 Matching PlaceboPLACEBO_COMPARATORAll will receive AMG 557 on Day 1, Day 8, Day 15, Day 29, Day 43, Day 57, Day 71, Day 85, Day 99, Day 113, Day 127, Day 141 and Day 155.
Interventions
NameTypeDescription
AMG 557DRUGAMG 557 will be administered as subcutaneous injections in the anterior abdomen of the subjects.
Matching PlaceboDRUGPlacebo will be administered as subcutaneous injections in the anterior abdomen of the subjects.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites13

Inclusion Criteria: * Diagnosis of SLE for at least 6 months as defined by the most recent American College of Rheumatology criteria * Presence of lupus related inflammatory arthritis with at least four tender and four swollen joints; and Systemic Lupus Erythematosus Disease Activity Index (SLEDAI)...

Countries:United StatesAustraliaDenmarkFranceGermanyMalaysiaTaiwanUnited Kingdom
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