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Donepezil

Phase 4FDA approved

Undisclosed | Small molecule | Other |Dr. Reddy's Laboratories Ltd|Trials Updated: Aug 15, 2013

Donepezil development status

FDA approval on record Dec 23, 2014 as Namzaric
Approval holderAbbvie
ApplicationNDA206439
Highest phase Phase 4 run by Pfizer (NCT00182845)
Phase scored for RDYPhase 1
Registered trials 49 across 18 sponsors since Sep 2005

Label indication NAMZARIC is indicated for the treatment of moderate to severe dementia of the Alzheimer’s type in patients stabilized on 10 mg of donepezil hydrochloride once daily. NAMZARIC is a combination of memantine hydrochloride, an NMDA receptor antagonist, and donepezil hydrochloride, an acetylcholinesterase inhibitor, indicated for the treatment of moderate to severe dementia of the Alzheimer’s type in patients stabilized… FDA label

Donepezil target and mechanism

Molecular targetACHE
Target classInhibitor
ModalitySmall molecule
ChEMBLCHEMBL502

Also known as Donepezil Hydrochloride, Aricept

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDDMC
Total Trials4
Total Enrollment221

FDA Designations

No designations recorded

Donepezil clinical trials

Donepezil · 4 trials · 1 indication

Phase 1 4
NCT01923259Bioavailability Study of Donepezil Hydrochloride Tablets 23 mg Under Fed ConditionHealthy
COMPLETED94 Analytics
NCT01923558Bioavailability Study of Donepezil Hydrochloride Tablets 23 mg Under Fasting ConditionHealthy
COMPLETED76 Analytics
NCT01504503Bioequivalence Study for Donepezil Hydrochloride 10 mg Tablets Under Fasting ConditionHealthy
COMPLETED26 Analytics
NCT01504516Bioequivalence Study for Donepezil Hydrochloride Tablets 10 mg Under Fed ConditionHealthy
COMPLETED25 Analytics
PHASE1COMPLETED
Bioavailability Study of Donepezil Hydrochloride Tablets 23 mg Under Fed Condition
HealthyUnlock trial analytics
PHASE1COMPLETED
Bioavailability Study of Donepezil Hydrochloride Tablets 23 mg Under Fasting Condition
HealthyUnlock trial analytics
PHASE1COMPLETED
Bioequivalence Study for Donepezil Hydrochloride 10 mg Tablets Under Fasting Condition
HealthyUnlock trial analytics
PHASE1COMPLETED
Bioequivalence Study for Donepezil Hydrochloride Tablets 10 mg Under Fed Condition
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Area under curve (AUC)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 18, 24, 48 and 72 hours
Area unde curve (AUC)
Pre-dose 0.5,0.75,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,7,8,9,10,12,16,24,36,48,72,96,120,144,168,192,216,240 and 264 hours post-dose
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Donepezil Hydrochloride Tablets, 23 mgEXPERIMENTALDonepezil Hydrochloride Tablets, 23 mg of Dr.Reddy's Laboratories Ltd
AriceptACTIVE_COMPARATORAricept® 23 mg tablet of Eisai Inc
Donepezil Hydrochloride10 mg TabletsEXPERIMENTALDonepezil Hydrochloride 10 mg Tablets of Dr. Reddy's Laboratories Limited
Aricept 10 mg TabletsACTIVE_COMPARATORAricept 10 mgTablets of Pfizer Inc

Interventions

NameTypeDescription
DonepezilDRUGDonepezil Hydrochloride tablets,23 mg
Donepezil HydrochlorideDRUGDonepezil Hydrochloride Tablets 10 mg
AriceptDRUGAricept 10 mg Tablets
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Eligibility Criteria

Age Range18 Years to 45 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Male or female volunteer 2. Volunteer aged of at least 18 years but not older than 45 years 3. Volunteer with a body mass index (BMI) greater than or equal to 21 and below 30 kg/m2 4. Volunteer with a body weight greater than or equal to 60 kg. 5. Light-, non- or ex-smokers. ...

Countries:CanadaIndia
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Frequently asked questions about Donepezil

What is Donepezil?

Donepezil is a small molecule drug developed by Dr. Reddy's Laboratories Ltd (ticker RDY). It is currently in Phase 1 clinical development. The listed trials for Donepezil are bioavailability and bioequivalence studies conducted in healthy volunteers, evaluating tablet formulations of 10 mg and 23 mg under fasting and fed conditions.

What does Donepezil target?

Donepezil targets ACHE, also known as acetylcholinesterase. It acts as an inhibitor of this enzyme. By inhibiting ACHE, Donepezil affects cholinergic signaling. This molecular target is the basis for its pharmacological activity.

Who makes Donepezil?

Donepezil is developed by Dr. Reddy's Laboratories Ltd, which trades under the ticker RDY. The company is responsible for the clinical development of Donepezil.

What phase is Donepezil in?

Donepezil is in Phase 1 clinical development. All four listed trials are Phase 1 studies, and all are completed. There are currently no active trials for Donepezil among the listed studies.

What clinical trials is Donepezil in?

Donepezil has been studied in four completed Phase 1 trials: NCT01923558, NCT01923259, NCT01504516, and NCT01504503. These trials evaluated bioavailability or bioequivalence of Donepezil hydrochloride tablets in healthy volunteers in Canada and India, with a total enrollment of 221 participants.

Is Donepezil the same as Donepezil Hydrochloride?

Yes, Donepezil is also known as Donepezil Hydrochloride. The clinical trials listed for Donepezil specifically refer to Donepezil Hydrochloride tablets, including 10 mg and 23 mg formulations. The two names refer to the same active substance.