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COYA 302

Phase 2

Amyotrophic Lateral Sclerosis (ALS) | Small molecule | Neurology |Coya Therapeutics, Inc.|Last Updated: May 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_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment120
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07161999Study of COYA 302 for the Treatment of ALSPHASE2 RECRUITING 120Oct 1, 2025Jul 1, 2027May 20, 202625 United States, Canada
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Study Endpoints
Primary Endpoints
The change in disease progression as measured by the Revised ALS Functional Rating Scale (ALSFRS-R)
Baseline to Week 24

The ALSFRS-R is an ordinal rating scale used to determine a participant's subjective assessment of their capability and independence with 12 functional activities. The maximal score is 48.

Secondary Endpoints
Serum neurofilament light chain (NfL)
Baseline to Week 24
Maximal Inspiratory Pressure (MIP)
Baseline to Week 24
Combined Assessment of Function and Survival (CAFS)
Baseline to Week 24
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
DB: COYA 302 Regimen 1EXPERIMENTALRegimen 1: COYA 302 (0.10 mg \[1M IU\] LD IL-2 and 125 mg DRL\_AB) (Week 1) and matching placebo (Week 3) administered via subcutaneous (SC) injection for 5 consecutive days every other week. This dosing regimen will be repeated until completing 6 (six) 4-week cycles, for a total of 24 weeks.
DB: COYA 302 Regimen 2EXPERIMENTALRegimen 2: COYA 302 (0.10 mg \[1M IU\] LD IL-2 and 125 mg DRL\_AB) (Weeks 1 and 3) administered via SC injection for 5 consecutive days every other week. This dosing regimen will be repeated until completing 6 (six) 4-week cycles, for a total of 24 weeks.
DB: PlaceboPLACEBO_COMPARATORPlacebo LD IL-2 and Placebo DRL\_AB (Weeks 1 and 3) administered via SC injection for 5 consecutive days every other week. This dosing regimen will be repeated until completing 6 (six) 4-week cycles, for a total of 24 weeks.
EXT: Regimen 1EXPERIMENTALRegimen 1: COYA 302 (0.10 mg \[1M IU\] LD IL-2 and 125 mg DRL\_AB) (Week 1) and matching placebo (week 3) administered via SC injection for 5 consecutive days every other week. This dosing regimen will be repeated until completing 6 (six) 4-week cycles, for a total of 24 weeks.
EXT: Regimen 2EXPERIMENTALRegimen 2: COYA 302 (0.10 mg \[1M IU\] LD IL-2 and 125 mg DRL\_AB) (Weeks 1 and 3) administered via SC injection for 5 consecutive days every other week. This dosing regimen will be repeated until completing 6 (six) 4-week cycles, for a total of 24 weeks.
Interventions
NameTypeDescription
COYA 302DRUGAdministered as specified in the treatment arm.
PlaceboDRUGAdministered as specified in the treatment arm.
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites25

Key Inclusion Criteria: 1. Sporadic or familial ALS, diagnosed as clinically probable, lab-supported probable, or definite ALS according to the revised El Escorial criteria 2. Male or female participants aged 18 to 80 3. Time since onset of ALS symptoms ≤28 months from Screening. 4. ALSFRS-R total ...

Countries:United StatesCanada
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07161999primaryCompletionDate: changed
LOWMay 24, 2026NCT07161999studyFirstPostDate: changed