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GSK835726

Phase 2

Rhinitis, Allergic, Seasonal | Small molecule | Other |GSK plc|Last Updated: Aug 21, 2017

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 Trials3
Total Enrollment137
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00972504723/726 Proof of Concept Study in Allergen Challenge Chamber in HannoverPHASE2 COMPLETED 54Jun 1, 2009Aug 14, 2009Aug 2, 20171 Germany
NCT00851344Allergen Challenge Chamber Study With Single Dose Oral GSK835726 Compared With PlaceboPHASE2 COMPLETED 54Sep 1, 2008Nov 1, 2008Nov 7, 20161 Germany
NCT00605852Investigation Of a New Oral Anti-Histamine in Healthy Male SubjectsPHASE1 COMPLETED 29Oct 29, 2007May 3, 2008Aug 21, 20171 United Kingdom
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Study Endpoints
Primary Endpoints
Weighted Mean TNSS (Sneeze, Itch, Rhinorrhoea and Nasal Blockage) 1-6 Hours Post Start of Allergen Challenge (2-7 Hours Post-dose) on Day 3
Day 3 of each treatment period (approximately up to 63 days)

On the third dosing day, participants entered the ECC for a duration of 6 hours, 1 hour after receiving their third dose. Time 0 hour was considered as the time that the participant entered the ECC. Nasal blockage, itch, sneeze and rhinorrhoea was scored on a categorical scale from 0 to 3 (0: no symptoms; 1: mild symptoms; 2: moderate symptoms; 3: severe symptoms). The total TNSS ranged from 0-12 point, with low score indicates well-being and higher score indicates more severity. Individual symptoms scores was summed at each time point (0, 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340 and 360 minutes). The adjusted mean is provided as least square mean.

Change from baseline in total nasal symptom score 0-4 hours post dose
0-4 hours post dose
ECG monitoring during 24 hours after each dose in the single dose cohorts and on days 1 and 7 in the repeat dose cohorts.
during 24 hours after each dose in the single dose cohorts and on days 1 and 7 in the repeat dose cohorts.
Heart rate and blood pressure changes over 24 hours after dosing in single and repeat dose cohorts
over 24 hours after dosing in single and repeat dose cohorts
Secondary Endpoints
Weighted Mean of the Individual Components of TNSS (Sneeze, Itch, Rhinorrhoea and Nasal Blockage) 1-6 Hours Post Start of Allergen Challenge (2-7 Hours Post-dose) on Day 3
Day 3 of each treatment period (approximately up to 63 days)
Weighted Mean Wet Tissue Weight (as a Surrogate Marker of Nasal Secretion) 1-6 Hours Post Start of Allergen Challenge (2-7 Hours Post-dose) on Day 3
Day 3 of each treatment period (approximately up to 63 days)
Weighted Mean Nasal Congestion VAS 1-6 Hours Post Start of Allergen Challenge (2-7 Hours Post-dose) on Day 3
Day 3 of each treatment period (approximately up to 63 days)
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GSK835726 (10mg)ACTIVE_COMPARATOR10mg oral dose
GSK1004723 (1000mcg)ACTIVE_COMPARATOR1000mcg nasal spray solution
Cetirizine 10mgACTIVE_COMPARATOR10mg cetirizine as active comparator
placeboPLACEBO_COMPARATORplacebo
GSK835726 (50mg)ACTIVE_COMPARATOR50mg oral dose
GSK835726 (100mg)ACTIVE_COMPARATOR50mg oral dose
Subjects receiving treatment in cohort IEXPERIMENTALEligible subjects will receive three single doses of GSK835726 and one single dose of placebo in cohort I.
Subjects receiving GSK835726 in cohort IIEXPERIMENTALEligible subjects will receive repeat doses of GSK835726 once daily for 7 days.
Subjects receiving placebo in cohort IIPLACEBO_COMPARATOREligible subjects will receive repeat doses of placebo once daily for 7 days.
Subjects receiving treatment in cohort IIIEXPERIMENTALEligible subjects will receive two single doses of GSK835726 and one single dose of placebo in cohort III.
Interventions
NameTypeDescription
GSK835726 10mgDRUGGSK835726 10mg tablet
GSK1004723 1000mcgDRUGGSK1004723 1000mcg nasal spray solution
Cetirizine 10mgDRUGCetirizine 10mg active comparator
placeboDRUGplacebo to match actives
GSK835726 (10mg)DRUGGSK835726 (10mg) tablet
GSK835726 (50mg)DRUGGSK835726 (50mg) tablet
GSK835726 (100mg)DRUGGSK835726 (100mg) tablet
Cetirizine (10mg)DRUGCetirizine (10mg) tablet as positive control
GSK835726DRUGGSK835726 will be available in single dose and repeat dose formulations.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Subject is healthy apart from seasonal allergic rhinitis, as determined by a physician. Can have mild asthma. * Males or female using contraceptives * Aged 18 - 65 * Weight 50kg+, BMI 19-32 kg/m2 * Exhibit response to Challenge Chamber and skin prick test. * Non-smoker * Capab...

Countries:GermanyUnited Kingdom
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