All targets
Target workspace
Thyroid hormone receptor
Nuclear receptors regulating metabolic gene transcription.
Pathway & druggability
Thyroid hormone signaling
Druggability: High (hormone replacement)
Evidence behind this
Confidence score98%
Signal strength: HighLevel 1 (guideline-endorsed standard of care)
Evidence grade
Approved
Normalization of TSH and symptom improvement; decades of clinical use.
Mechanism
Exogenous T4 restores normal thyroid hormone levels and metabolic homeostasis.
clinical trialfda labelmeta analysis
Authoritative sources
AI-generated summary
Generated March 15, 2026Last verified July 1, 2026
Levothyroxine is the established first-line therapy for hypothyroidism with FDA-approved labeling, ATA/AACE guideline endorsement, and extensive long-term safety data. This is primary-use evidence rather than repurposing, but represents gold-standard drug–disease pairing.
Source papers
- Jonklaas J et al., Thyroid 2014
This summary is AI-assisted and human-reviewed. It does not constitute medical advice. Always consult authoritative sources and qualified professionals.