TheraRadar
Data updated: Nov 8, 2026

GUAIFENESIN · GUARDIAN DRUG

Respiratory Approved 2002-07-12
9
Indications
--
Phase 3 Trials
24
Years on Market

Details

Status
Prescription
First Approved
2002-07-12
Routes
ORAL
Dosage Forms
TABLET, EXTENDED RELEASE

GUAIFENESIN Approval History

2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
35 FDA actions from 2011 to 2026
Nov 2026 SUPPL
Label · Labeling
May 2025 SUPPL
Mfg · Manufacturing (CMC)
Apr 2025 SUPPL
Mfg · Manufacturing (CMC)

What GUAIFENESIN Treats

9 FDA approvals

Originally approved for its first indication in 2011 . Covers 9 distinct patient populations.

  • Other (9)
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Clinical Trial Registry

2 trials
Trial Sponsor ID Phase Status Title
NCT01202279 Wait and See results posted 2009-MUCD-001 Ph 4 completed Safety and Efficacy Study of Guaifenesin and Pseudoephedrine for Symptomatic Therapy to Treat Acute RTI
NCT01364467 results posted HM13538 Ph 2 completed The Effect of Oral Guaifenesin on Pediatric Chronic Rhinitis: A Pilot Study
🔬

Active Pipeline

Pro

Ongoing clinical trials by development phase

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Key Completed Trials

Pro

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.

GUAIFENESIN FDA Label Details

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Data Sources

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