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GSK958108

Phase 1

Premature Ejaculation | Small molecule | Other |GSK plc|Last Updated: Aug 1, 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 Trials2
Total Enrollment54
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00861484Proof of Mechanism in ELTPHASE1 COMPLETED 33Nov 26, 2008Dec 11, 2009Jun 14, 20171 Italy
NCT00664365FTIH Study With GSK958108PHASE1 COMPLETED 21Apr 12, 2008Aug 22, 2008Aug 1, 20171 United Kingdom
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Study Endpoints
Primary Endpoints
Time to achieve ejaculation from the start of masturbation during audio-video erotic stimuli
50 minutes
Safety will be evaluated by adverse event monitoring, physical and neurological examination, pupil size, Eye assessment; 12-lead ECG, vital signs and laboratory parameters. These assessments will be conducted at several timepoints after each dosing.
Up to Day 19
Secondary Endpoints
Safety and tolerability measured as adverse events occurrence, vital signs variations, safety laboratory, eye assessments, ECG and physical examination
8 weeks
Blood concentration of GSK958108 at different timepoints
From predose to 30 hours post-dose
To assess the food effect on the pharmacokinetics of GSK958108 in healthy male volunteers
Up to Day 5
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GSK958108 3 mgEXPERIMENTALExperimental
Placebo of GSK958108PLACEBO_COMPARATORPlacebo
Subjects receiving GSK958108 + placebo in cohort 1EXPERIMENTALEligible subjects will receive GSK958108 with a starting dose of 1 milligram. The dose escalation will be continued up to 4 ascending doses. Subjects will also receive placebo. Each treatment period will be separated by at least 7 days washout period.
Subjects receiving GSK958108 + placebo in cohort 2EXPERIMENTALEligible subjects will start dosing once the cohort 1 has completed the treatment phase and the initial dose will be the same as top dose in Cohort1.The dose escalation will be continued up to 4 ascending doses. Subjects will also receive placebo. Each treatment period will be separated by at least 7 days washout period.
Interventions
NameTypeDescription
GSK958108DRUGCoated Tablets 1 mg
PlaceboDRUGCoated tablets
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Eligibility Criteria
Age Range18 Years — 50 Years
SexMALE
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Heterosexual male subject with self-reported moderate or severe primary Premature ejaculation with ejaculation occurring on or before penetration, or shortly there after with minimal stimulation * Baseline Ejaculation Latency time \< 3 minutes * Subjects must agree to use a co...

Countries:ItalyUnited Kingdom
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