TheraRadar
Data updated: May 26, 2026

GUANFACINE HYDROCHLORIDE

Adrenergic alpha2-Agonists
Cardiovascular Approved 1995-10-17

GUANFACINE HYDROCHLORIDE is indicated for the treatment of Hypertension.

Source: FDA Label • TWI PHARMS
23
Indications
--
Phase 3 Trials
30
Years on Market

GUANFACINE HYDROCHLORIDE Approval History

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Original
New Indication
New Form
Label Update
244 FDA actions from 1995 to 2026
Mar 2026 ORIGINAL
Update
Apr 2025 ORIGINAL
Update
Feb 2025 SUPPL
Label · Labeling

What GUANFACINE HYDROCHLORIDE Treats

1 indications

GUANFACINE HYDROCHLORIDE is approved for 1 conditions since its original approval in 1995. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Hypertension
Source: FDA Label

GUANFACINE HYDROCHLORIDE 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 GUANFACINE HYDROCHLORIDE

3 of 20

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

ACEBUTOLOL HYDROCHLORIDE
ACEBUTOLOL HYDROCHLORIDE
1 shared
PHARMOBEDIENT
Shared indications:
ALDACTONE
SPIRONOLACTONE
1 shared
Pfizer
Shared indications:
ALISKIREN HEMIFUMARATE
ALISKIREN HEMIFUMARATE
1 shared
PH HEALTH
Shared indications:
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Clinical Trial Registry

1 trials
Trial Sponsor ID Phase Status Title
NCT02141113 ADINT2012 results posted 1129704 ADINT Ph 4 completed Efficacy and Safety Eval of Guanfacine Hydrochloride in Combination With Psychostimulants in Adults (18-65).
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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.

GUANFACINE HYDROCHLORIDE FDA Label Details

Indications & Usage

GUANFACINE HYDROCHLORIDE is indicated for the treatment of Hypertension.

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Data Sources

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