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GSK3772847

Phase 2

Asthma | Small molecule | Respiratory |GSK plc|Last Updated: Mar 2, 2020

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 Enrollment165
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03207243Efficacy and Safety Study of GSK3772847 in Subjects With Moderately Severe AsthmaPHASE2 COMPLETED 165Sep 14, 2017May 15, 2019Mar 2, 202064 United States, Australia +4
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Study Endpoints
Primary Endpoints
Percentage of Participants With Loss of Asthma Control Over Weeks 0-16
Up to Week 16

Loss of asthma control is defined as: Asthma Control Questionnaire (ACQ-5) score increase from Baseline \>=0.5 point or pre-bronchodilator forced expiratory volume in 1 second (FEV1) decrease from baseline \>7.5 % or inability to titrate inhaled corticosteroid or a clinically significant asthma exacerbation (requiring oral corticosteroid \[OCS\] and/or hospitalization). The analysis shown is for primary estimand which includes all data collected, except for data collected after the date of loss of asthma control or early withdrawal from study treatment. Baseline is defined as Day1. Percentage of participants experiencing loss of asthma control up to Week 16 has been presented. Modified Intent-to-Treat (Loss of Control) (mITT\_LoC) population consisted of all randomized participants who took at least 1 dose of study treatment and if participants experienced loss of asthma control, they were analyzed according to actual treatment at time of loss of control.

Secondary Endpoints
Percentage of Participants With >=0.5 Point Asthma Control Questionnaire (ACQ-5) Score Increase From Baseline
Baseline and up to Week 16
Percentage of Participants Who Have Pre-bronchodilator FEV1 Decrease From Baseline >7.5 %
Baseline and up to Week 16
Percentage of Participants With Inability to Titrate Inhaled Corticosteroids (ICS)
Up to Week 16
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Subjects receiving GSK3772847EXPERIMENTALEligible subjects will receive GSK3772847 once every 4 weeks via IV route along with 500/50 mcg FP/Sal twice daily for first 2 weeks and dose of FP was reduced by approximately 50 percent at every 2 weeks until complete FP discontinuation.
Subjects receiving placebo drugPLACEBO_COMPARATOREligible subjects will receive placebo once every 4 weeks via IV route along with 500/50 mcg FP/Sal twice daily for first 2 weeks and dose of FP was reduced by approximately 50 percent at every 2 weeks until complete FP discontinuation.
Interventions
NameTypeDescription
GSK3772847DRUGGSK3772847 10 mg/kg will be administered as IV infusion once every 4 weeks to randomized subjects.
PlaceboDRUGPlacebo sterile normal saline will be administered as IV infusion once every 4 weeks to randomized subjects.
Fluticasone propionate/salmeterolDRUGFP/Sal 500/50 mcg will be administered via inhalation route twice daily to all subjects.
Fluticasone propionateDRUGFP 500, 250, 100 or 50 mcg will be administered via inhalation route twice daily to all subjects.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites64

Inclusion Criteria: * Age: At least 18 years of age at the time of signing the informed consent. * Males and females: A female subject is eligible to participate if she is not pregnant, not breastfeeding, and at least one of the following conditions applies: Not a woman of childbearing potential (W...

Countries:United StatesAustraliaCanadaMexicoRussiaUkraine
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