TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

LEVOLET

LEVOTHYROXINE SODIUM
Oncology Approved 2003-06-06
3
Indications
--
Phase 3 Trials
22
Years on Market

Details

Status
Prescription
First Approved
2003-06-06
Routes
ORAL
Dosage Forms
TABLET

Companies

Active Ingredient: LEVOTHYROXINE SODIUM

LEVOLET Approval History

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What LEVOLET Treats

2 indications

LEVOLET is approved for 2 conditions since its original approval in 2003. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Hypothyroidism
  • Thyroid Cancer
Source: FDA Label

LEVOLET Boxed Warning

NOT FOR TREATMENT OF OBESITY OR FOR WEIGHT LOSS Thyroid hormones, including levothyroxine sodium, either alone or with other therapeutic agents, should not be used for the treatment of obesity or for weight loss. In euthyroid patients, doses within the range of daily hormonal requirements are ineffective for weight reduction. Larger doses may produce serious or even life-threatening manifestations of toxicity, particularly when given in association with sympathomimetic amines such as those used ...

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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.

LEVOLET FDA Label Details

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Indications & Usage

FDA Label (PDF)

Hypothyroidism Levothyroxine sodium tablets are indicated in adult and pediatric patients, including neonates, as a replacement therapy in primary (thyroidal), secondary (pituitary), and tertiary (hypothalamic) congenital or acquired hypothyroidism. Pituitary Thyrotropin (Thyroid‑Stimulating Hormone, TSH) Suppression Levothyroxine sodium tablets are indicated in adult and pediatric patients, including neonates, as an adjunct to surgery and radioiodine therapy in the management of thyrotropin-dependent well-differentiated thyroid cancer. Limitations of Use: Levothyroxine sodium tablets are not ...

⚠️ BOXED WARNING

WARNING: NOT FOR TREATMENT OF OBESITY OR FOR WEIGHT LOSS Thyroid hormones, including levothyroxine sodium, either alone or with other therapeutic agents, should not be used for the treatment of obesity or for weight loss. In euthyroid patients, doses within the range of daily hormonal requirements a...

LEVOLET Patents & Exclusivity

Latest Patent: Mar 2038

Patents (240 active)

US10231931 Expires Mar 23, 2038
US10406108 Expires Mar 23, 2038
+ 230 more patents
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.