NDAORALTABLET
Approved
Jun 2003
Lifecycle
Peak
Competitive Pressure
0/100
Clinical Trials
3
Data completeness
4/8 — Partial
LEVOLET (levothyroxine sodium) by Pfizer is synthesis. First approved in 2003.
Drug data last refreshed 2h ago · AI intelligence enriched 2w ago
AI summarySynthesized from FDA + DailyMed + ClinicalTrials.gov data
LEVOLET (levothyroxine sodium) is an oral tablet formulation of synthetic thyroid hormone that replaces or supplements endogenous thyroid hormone in hypothyroidism and other thyroid disorders. The drug works by diffusing into cell nuclei and binding to thyroid receptors, activating gene transcription and protein synthesis; T3 (converted from T4 in peripheral tissues) mediates the majority of physiological effects. This is an established, essential replacement therapy for millions of patients worldwide.
Peak11.6 years to LOE
Peak-stage product with mature market penetration and stable, high-volume demand; brand teams focus on retention and compliance optimization rather than growth.
Mechanism of Action
synthesis. Triiodothyronine (T 3 ) and levothyroxine (T 4 ) diffuse into the cell nucleus and bind to thyroid receptor proteins attached to DNA. This hormone nuclear receptor complex activates gene transcription and synthesis of messenger RNA and cytoplasmic proteins. The physiological actions of…
Indications
Indication data is being enriched from DailyMed and FDA labeling. Check back soon for approved therapeutic uses.
Clinical Trials (3)
Bioequivalence of Two Formulations of Levothyroxine Sodium 200 Micrograms (mcg) Under Tablet Form
Started Jun 2019
72 enrolled
Healthy
Levothyroxine Sodium in Thyroidectomized Patients Taking Proton Pump Inhibitors
Started Jul 2018
66 enrolled
Hypothyroidism;Postablative
Study of Dose Adjustment From Levothyroxine to a New Levothyroxine Sodium Test Formulation
Started Jul 2013
101 enrolled
Hypothyroidism
Career Relevance
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Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.