TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

ACETADOTE

ACETYLCYSTEINE Reduction Activity
Gastroenterology Approved 2004-01-23
2
Indications
--
Phase 3 Trials
1
Priority Reviews
22
Years on Market

Details

Status
Prescription
First Approved
2004-01-23
Routes
INTRAVENOUS
Dosage Forms
INJECTABLE

Companies

Active Ingredient: ACETYLCYSTEINE

ACETADOTE Approval History

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What ACETADOTE Treats

2 indications

ACETADOTE is approved for 2 conditions since its original approval in 2004. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Hepatic Injury
  • Acetaminophen Overdose
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.

ACETADOTE FDA Label Details

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Indications & Usage

FDA Label (PDF)

ACETADOTE is indicated to prevent or lessen hepatic injury after ingestion of a potentially hepatotoxic quantity of acetaminophen in adults and pediatric patients who weigh 5 kg or greater with acute ingestion or from repeated supratherapeutic ingestion (RSI). ACETADOTE is an antidote for acetaminophen overdose indicated to prevent or lessen hepatic injury after ingestion of a potentially hepatotoxic quantity of acetaminophen in adults and pediatric patients who weigh 5 kg or greater with acute ingestion or from repeated supratherapeutic ingestion (RSI) .

ACETADOTE Patents & Exclusivity

Latest Patent: Apr 2032
Exclusivity: Nov 2027

Patents (3 active)

US8722738 Expires Apr 6, 2032
US9327028 Expires Jul 21, 2031
US8148356 Expires May 21, 2026

Exclusivity

D-196 Until Nov 2027
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.