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SPY003-207

Phase 1

Healthy | Small molecule | Other |Spyre Therapeutics, Inc.|Last Updated: Mar 20, 2026

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 Enrollment59
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06873724A Study of SPY003-207 in Healthy VolunteersPHASE1 ACTIVE NOT_RECRUITING 59Mar 10, 2025Nov 18, 2026Mar 20, 20262 United States, Canada
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Study Endpoints
Primary Endpoints
Treatment emergent adverse events
Up to 63 weeks

Incidence, severity, and causal relationship of TEAEs

Secondary Endpoints
Cmax
Up to 63 weeks
Tmax
Up to 63 weeks
t1/2
Up to 63 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
SAD Cohorts 1-6 Experimental ArmEXPERIMENTALParticipants will receive a single dose of SPY003-207 in a dose escalation format
SAD Cohorts 1-6 Placebo ArmPLACEBO_COMPARATORParticipants will receive a single dose of placebo
SAD Cohort 7, Experimental ArmEXPERIMENTALParticipants of Chinese descent will receive a single dose of SPY003-207-101
SAD Cohort 7, Placebo ArmPLACEBO_COMPARATORParticipants of Chinese descent will receive a single dose of placebo
MAD Cohorts 1 Experimental ArmEXPERIMENTALParticipants will receive two doses of SPY003-207-101 in a dose escalation format
MAD Cohorts 1 Placebo ArmPLACEBO_COMPARATORParticipants will receive two doses of placebo
Interventions
NameTypeDescription
SPY003-207DRUGExperimental
PlaceboOTHERPlacebo
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Eligibility Criteria
Age Range18 Years — 60 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * Healthy men and women * Willing and able to attend the necessary visits to the CRU, comply with all testing requirements, remain at the study site unit for the duration of the confinement period and return for the outpatient visits Exclusion Criteria: * Participation in more...

Countries:United StatesCanada
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06873724primaryCompletionDate: changed
LOWMay 24, 2026NCT06873724studyFirstPostDate: changed