TheraRadar
Data updated: May 26, 2026

NAMZARIC (donepezil hydrochloride)

Trial Activity: Declining
CNS Approved 2014-12-23

NAMZARIC is indicated for the treatment of Alzheimer's Disease.

Source: FDA Label • AbbVie

How NAMZARIC Works

Namzaric functions through two distinct mechanisms in the central nervous system. Memantine acts as a low-to-moderate affinity, uncompetitive NMDA receptor antagonist that binds preferentially to receptor-operated cation channels; this is hypothesized to mitigate the persistent activation of these receptors by glutamate. Donepezil performs a reversible inhibition of acetylcholinesterase, the enzyme responsible for the hydrolysis of acetylcholine. This inhibition increases the concentration of acetylcholine, thereby enhancing cholinergic neurotransmission to address deficiencies associated with Alzheimer’s disease.

Development Insights

Eisai Co., Ltd. conducting 9 trials (53%)
15 indications explored (Broad Platform)
healthy adult (7 trials)
healthy (3 trials)
dementia associated with cerebrovascular disease (2 trials)
2
Indications
--
Phase 3 Trials
11
Years on Market

Details

Status
Prescription
First Approved
2014-12-23
Patent Cliff
2029

Pro Metrics

Patent cliff and revenue data

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Routes
ORAL
Dosage Forms
CAPSULE, EXTENDED RELEASE

Companies

NAMZARIC Approval History

2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
16 FDA actions from 2014 to 2016 · 1 indication expansions
Jul 2016 SUPPL
Efficacy
Oct 2015 SUPPL
Mfg · Manufacturing (CMC)
Sep 2015 SUPPL
Mfg · Manufacturing (CMC)

What NAMZARIC Treats

1 indications

NAMZARIC is approved for 1 conditions since its original approval in 2014. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Alzheimer's Disease
Source: FDA Label

NAMZARIC Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to NAMZARIC

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FLORBETAPIR F-18
1 shared
AVID RADIOPHARMS INC
Shared indications:
ARICEPT
DONEPEZIL HYDROCHLORIDE
1 shared
EISAI INC
Shared indications:
EXELON
RIVASTIGMINE TARTRATE
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Novartis
Shared indications:
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Clinical Trial Registry

11 trials
Trial Sponsor ID Phase Status Title
NCT00688376 results posted E2020-G000-333 E2020-G000-334, 2007-005435-28 Ph 3 completed Efficacy and Safety of Donepezil Hydrochloride in Preadolescent and Adolescent Children With Attention Impairment Following Cancer Treatment
NCT01466270 results posted IRB00019792-1 U10CA081851, REBACCCWFU 97211 Ph 2 completed Study of Donepezil in Female Breast Cancer Survivors With Cognitive Dysfunction
NCT00369785 results posted IRB00000551 U10CA081851, REBACCCWFU 91105 Ph 3 completed Donepezil in Treating Patients Who Have Undergone Radiation Therapy for Brain Tumors
NCT04013477 DA5207_ADK_Ia Ph 1 completed Single-ascending Dose Phase 1 Clinical Trial to Evaluate the Safety and PK of DA-5207 TDS in Healthy Adults
NCT02660983 results posted E2020-K082-418 Ph 4 completed A Study of Donepezil Hydrochloride in Patients With Dementia Associated With Cerebrovascular Disease
NCT01903824 C26401/1111 2013-001883-51 Ph 1 completed Pharmacokinetics and Pharmacodynamics (PK/PD) of CEP-26401 in Healthy Subjects
NCT00695136 results posted 080154 08-M-0154 Ph 1, Ph 2 completed The Effect of Donepezil (Aricept(Registered Trademark)) on REM Sleep in Children With Autism
NCT01506752 E2020-J081-034 Ph 1 completed A Bioequivalence Study Comparing Improved Versus Current Orally Disintegrating E2020 10 mg Tablet in Healthy Japanese Adult Males
NCT01506739 E2020-J081-033 Ph 1 completed A Bioequivalence Study of Film-coated Tablet and Dry Syrup 1% Form for E2020 in Healthy Japanese Adult Males
NCT01504503 645/09 Ph 1 completed Bioequivalence Study for Donepezil Hydrochloride 10 mg Tablets Under Fasting Condition
NCT01504516 646-09 Ph 1 completed Bioequivalence Study for Donepezil Hydrochloride Tablets 10 mg Under Fed Condition
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

NAMZARIC FDA Label Details

Indications & Usage

FDA Label (PDF)

NAMZARIC is indicated for the treatment of Alzheimer's Disease.

View full patent landscape →
3 OB patents · 2 families · 74 international docs across 19 countries

NAMZARIC Patents & Exclusivity

Latest Patent: Dec 2029

Patents (3 active)

US8058291 Expires Dec 5, 2029
US8039009*PED Expires Sep 24, 2029
US8039009 Expires Mar 24, 2029
Source: FDA Orange Book

Pro Intelligence Preview

Deep insights for NAMZARIC

Revenue Insights

  • Quarterly revenue tracking
  • Historical trend analysis

Patent Timeline

  • Cliff: 2029
  • 48 active patents

Trial Analysis

  • 17 total trials
  • Stage: Declining

Competitive Landscape

  • 10 similar drugs
  • Same target/indication analysis
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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment