Drug General Information
Drug ID
D06RGG
Former ID
DAP000083
Drug Name
Levothyroxine
Synonyms
Eltroxin; Euthyrox; Forthyron; Laevothyroxinum; Laevoxin; Levolet; Levothroid; Levothyrox; Levothyroxin; Levoxyl; Oroxine; Synthroid; THX; Tetraiodothyronine; Thyratabs; Thyrax; Thyreoideum; Thyroxevan; Thyroxin; Thyroxinal; Levothyroxine sodium; Synthroid sodium; Thyroxine [BAN]; Thyroxine iodine; LT00440967; T4 levothyroxine; DL-Thyroxin; Eltroxin (TN); Euthyrox (TN); Eutirox (TN); Forthyron (TN); L-Thryoxin; L-Thyroxin; L-thyroxine; Laevothyroxinum (acid); Levaxin (TN); Levo-T; Levothyroxine (BAN); Levothyroxinum (acid); Levoxyl (TN); Synthroid (TN); T-3850; T4 (Hormone); Thyrax (TN); Thyrox (TN); Thyroxine (VAN); Thyroxine (l); L-thyroxine (TN); Levothyroxine Sodium (L-thyroxine); Levothroid (*Sodiumsalt*); Synthroid (*Sodium salt*); Thyroxine, L-(8CI); L-3,5,3',5'-Tetraiodothyronine; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine; Beta-((3,5-Diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl)alanine; O-(4-Hydroxy-3,5-diidophenyl)-3,5-diiodo-L-tyrosine; O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine; (-)-Thyroxine; (125I)T4; (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid; 2-amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid; 3,3',5,5"-Tetraiodo-L-thyronine; 3,3',5,5''-Tetraiodo-L-thyronine; 3,3',5,5'-Tetraiodo-L-thyronine; 3,5,3',5'-Tetraiodo-L-thyronine; 3,5,3',5'-Tetraiodothyronine; 3,5,3'5'-Tetraiodo-L-thyronine; 3-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)alanine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-L-phenylalanine
Drug Type
Small molecular drug
Indication Hypothyroidism [ICD-11: 5A00; ICD-10: E03.8, E03.9; ICD-9: 244] Approved [1], [2]
Therapeutic Class
Antithyroid Agents
Company
Abbott Laboratories
Structure
Download
2D MOL

3D MOL

Formula
C15H11I4NO4
InChI
1S/C15H11I4NO4/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23/h1-2,4-5,12,21H,3,20H2,(H,22,23)/t12-/m0/s1/i16-2
InChIKey
XUIIKFGFIJCVMT-SUXPHOQTSA-N
CAS Number
CAS 51-48-9
PubChem Compound ID
PubChem Substance ID
ChEBI ID
ChEBI:18332
SuperDrug ATC ID
H03AA01
SuperDrug CAS ID
cas=000055038
Target and Pathway
Target(s) Thyroid hormone receptor alpha (THRA) Target Info Antagonist [3], [4]
KEGG Pathway Neuroactive ligand-receptor interaction
Thyroid hormone signaling pathway
Pathway Interaction Database RXR and RAR heterodimerization with other nuclear receptor
Reactome Nuclear Receptor transcription pathway
WikiPathways Endochondral Ossification
Nuclear Receptors
References
REF 1 URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 4627).
REF 2 Current methodology to assess bioequivalence of levothyroxine sodium products is inadequate. AAPS J. 2005 Mar 30;7(1):E42-6.
REF 3 Thyroid hormone resistance and pituitary enlargement after thyroid ablation in a woman on levothyroxine treatment. Thyroid. 2008 Oct;18(10):1119-23.
REF 4 Thyroid hormone receptors in brain development and function. Nat Clin Pract Endocrinol Metab. 2007 Mar;3(3):249-59.

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