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Data updated: Mar 10, 2026

AMANTADINE HYDROCHLORIDE

AMANTADINE HYDROCHLORIDE
Immunology Approved 1987-01-07
35
Indications
--
Phase 3 Trials
39
Years on Market

AMANTADINE HYDROCHLORIDE Approval History

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What AMANTADINE HYDROCHLORIDE Treats

2 indications

AMANTADINE HYDROCHLORIDE is approved for 2 conditions since its original approval in 1987. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Influenza A
  • Parkinsonism
Source: FDA Label
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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.

AMANTADINE HYDROCHLORIDE FDA Label Details

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Indications & Usage

Amantadine hydrochloride capsules, USP are indicated for the prophylaxis and treatment of signs and symptoms of infection caused by various strains of influenza A virus. Amantadine hydrochloride capsules, USP are also indicated in the treatment of parkinsonism and drug-induced extrapyramidal reactions. Influenza A Prophylaxis Amantadine hydrochloride capsules, USP are indicated for chemoprophylaxis against signs and symptoms of influenza A virus infection. Because amantadine does not completely prevent the host immune response to influenza A infection, individuals who take this drug may still ...

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Data Sources

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