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GB-0895

Phase 3

Severe Asthma | Small molecule | Respiratory |Generate Biomedicines, Inc.|Last Updated: May 18, 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 Trials2
Total Enrollment1,572
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07359846A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-2)PHASE3 RECRUITING 786Jan 20, 2026Jan 1, 2029May 18, 202614 United States, Japan
NCT07276724A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-1)PHASE3 RECRUITING 786Dec 3, 2025Dec 1, 2028May 18, 202629 United States
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Study Endpoints
Primary Endpoints
To evaluate the annualized asthma exacerbation rate (AAER) in adult and adolescent subjects with severe uncontrolled asthma.
From Day 1 (randomization) to Week 52

The annual exacerbation rate is based on clinically significant (CS) exacerbations reported by the investigator in the electronic case (eCRF) over 52 weeks for subjects on GB-0895 as compared to placebo.

Secondary Endpoints
To evaluate the annualized asthma exacerbation rate (AAER) in adult and adolescent subjects with severe uncontrolled asthma and baseline eosinophils (EOS) < 300 cells/µL.
From Day 1 (randomization) to Week 52
Change from baseline in pre-bronchodilator (BD) forced expiratory volume in 1 second (FEV1)
From Day 1 (randomization) to Study Week 52
Change from baseline in Asthma Quality of Life Questionnaire AQLQ(S)12+ score
From Day 1 (randomization) to Week 52
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GB-0895EXPERIMENTALGB-0895 Subcutaneous (SC) injection
PlaceboPLACEBO_COMPARATORPlacebo Subcutaneous (SC) injection
Interventions
NameTypeDescription
GB-0895DRUGStudy Drug
PlaceboDRUGPlacebo
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Eligibility Criteria
Age Range12 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites14

1. Adults and adolescents ≥ 12 and ≤ 80 years of age. 2. Documented physician diagnosis of asthma for ≥ 2 years. 3. Subjects must be on medium to high dose ICS for ≥ 12 months before Screening Visit 1 plus at least 1 additional asthma controller (e.g., LABA, LAMA) ≥ 3 months before Screening Visit 1...

Countries:United StatesJapan
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07276724primaryCompletionDate: changed
LOWMay 26, 2026NCT07359846primaryCompletionDate: changed
LOWMay 24, 2026NCT07276724studyFirstPostDate: changed
LOWMay 24, 2026NCT07359846studyFirstPostDate: changed