Recent Updates
Recently added Catalysts

Donepezil

Phase 1

Pain, Neuropathic | Small molecule | Neurology |GSK plc|Last Updated: Jun 12, 2017

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment48
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01485185Gabapentin and Donepezil Combination on Experimental Human Pain ModelsPHASE1 COMPLETED 48Oct 11, 2011Jul 3, 2012Jun 12, 20171 United Kingdom
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Area of pin-prick hyperalgesia
Change from baseline visit to day 14 of treatment sessions

Change in Area between treatment arms (compared to baseline), measured during the electrical hyperalgesia model using 26 Milli Neuton(mN) von Frey filament

Area of touch-evoked allodynia
Change from baseline visit to day 14 of treatment sessions

Change in Area between treatment arms (compared to baseline), measured during the electrical hyperalgesia model using a cotton bud

Secondary Endpoints
Pain threshold
Change from baseline visit to day 14 of treatment sessions
Ongoing pain intensity rating
Change from baseline visit to day 14 of treatment sessions
Pain Tolerance
Change from baseline visit to day 14 of treatment sessions
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
Gabapentin lower dose aloneEXPERIMENTALlow dose
Gabapentin higher dose aloneACTIVE_COMPARATORhigher dose
Gabapentin in combination with donepezilEXPERIMENTALGabapentin lower dose and donepezil
PlaceboPLACEBO_COMPARATORPlacebo
Interventions
NameTypeDescription
Gabapentin lower doseDRUGRepeat, oral dose
DonepezilDRUGRepeat, oral dose
Placebo (Dop)OTHERPlacebo to donepezil, Repeat, oral dose
Placebo (Gaba)OTHERPlacebo to gabapentin, Repeat, oral dose
Gabapentin higher doseDRUGRepeat, oral dose
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Male between 18 and 55 years of age inclusive, at the time of signing the informed consent. 2. Body weight ≥ 50 Kilogram (kg) and BMI within the range 18.5-29.9 Killogram per square meter (kg/m2) (inclusive). 3. Healthy as determined by a responsible and experienced physician...

Countries:United Kingdom
Unlock Eligibility Criteria