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GB001

Phase 2

Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP) | Small molecule | ENT |Gossamer Bio, Inc.|Last Updated: Aug 23, 2021

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 Enrollment97
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03956862GB001 in Adult Participants With Chronic RhinosinusitisPHASE2 COMPLETED 97May 16, 2019Aug 5, 2020Aug 23, 202138 United States, Czechia +1
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Study Endpoints
Primary Endpoints
Change From Baseline to Week 16 in Sino-Nasal Outcome Test (SNOT) 22 Total Score
Baseline, Week 16

The SNOT-22 is a validated questionnaire to assess the impact of chronic rhinosinusitis (CRS) on quality of life and utilizes a 2-week recall period. It is a 22-item outcome measure on a 5-point category scale applicable to sinonasal conditions and surgical treatments. The total scores range from 0 to 110 with higher total scores implying greater impact of CRS on quality of life.

Secondary Endpoints
Change From Baseline to Week 16 in Lund-Mackay Score
Baseline, Week 16
Change From Baseline to Week 16 in Nasal Polyp Score (NPS)
Baseline, Week 16
Time to First Response in NPS
up to Week 16
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GB001EXPERIMENTALGB001 40 mg once per day (QD) for 16 weeks
PlaceboPLACEBO_COMPARATORPlacebo QD for 16 weeks
Interventions
NameTypeDescription
GB001DRUGfilm-coated oral tablet
PlaceboDRUGfilm-coated oral tablet
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites38

Inclusion Criteria: * A diagnosis of chronic rhinosinusitis with nasal polyps (CRSwNP) or chronic rhinosinusitis without nasal polyps (CRSsNP) by a physician at least 12 weeks before Screening Visit * Treated with stable intranasal corticosteroid (INCS) for at least 2 months prior to Screening Visi...

Countries:United StatesCzechiaUkraine
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