Data updated: Mar 10, 2026
NAMENDA XR
MEMANTINE HYDROCHLORIDE
Approved 2010-06-21
2
Indications
--
Phase 3 Trials
1
Priority Reviews
15
Years on Market
Details
- Status
- Discontinued
- First Approved
- 2010-06-21
- Routes
- ORAL
- Dosage Forms
- CAPSULE, EXTENDED RELEASE
NAMENDA XR Approval History
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What NAMENDA XR Treats
2 FDA approvalsOriginally approved for its first indication in 2010 . Covers 2 distinct patient populations.
- Other (2)
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Pro Active Pipeline
Ongoing clinical trials by development phase
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Pro Key Completed Trials
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.
NAMENDA XR FDA Label Details
ProNAMENDA XR Patents & Exclusivity
Latest Patent: Sep 2029
Patents (32 active)
Source: FDA Orange Book
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Data Sources
Data sourced from official FDA and NIH databases. Click links to verify on original sources.