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Data updated: Mar 10, 2026

THALLOUS CHLORIDE TL 201

THALLOUS CHLORIDE TL-201
Metabolic Approved 1977-12-16
10
Indications
--
Phase 3 Trials
1
Priority Reviews
48
Years on Market

Details

Status
Prescription
First Approved
1977-12-16
Routes
INJECTION, INTRAVENOUS
Dosage Forms
INJECTABLE

THALLOUS CHLORIDE TL 201 Approval History

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What THALLOUS CHLORIDE TL 201 Treats

10 FDA approvals

Originally approved for its first indication in 1977 . Covers 10 distinct patient populations.

  • Other (10)
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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.

THALLOUS CHLORIDE TL 201 FDA Label Details

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Indications & Usage

FDA Label (PDF)

Thallous Chloride Tl 201 Injection is indicated for use with planar scintigraphy or single-photon emission computed tomography (SPECT) for the following applications: Myocardial perfusion imaging in adults for the diagnosis of coronary artery disease by localization of: Non-reversible defects (myocardial infarction) Reversible defects (myocardial ischemia) when used in conjunction with exercise or pharmacologic stress Localization of sites of parathyroid hyperactivity pre- and post-operatively in adults with elevated serum calcium and parathyroid hormone levels Thallous Chloride Tl 201 Injecti...

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Data Sources

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