Drug Information

General Information
Drug ID
DR00173
Drug Name
Liothyronine
Synonyms
(2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid; 3,3',5-Triiodo-L-thyronine; 3,3',5-Triiodothyronine; 3,3'5-Triiodo-L-thyronine; 3,5,3'-Tri-iodo-L-thyronine; 3,5,3'-Triiodo-L-thyronine; 3,5,3'-triiodothyronine; 3,5,3'TRIIODOTHYRONINE; 4-(3-Iodo-4-hydroxyphenoxy)-3,5-diiodophenylalanine; 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenylalanine; 4-(4-hydroxy-3-iodophenoxy)-3,5-diiodo-L-phenylalanine; Cytomel (TN); Euthroid-0.5; Euthroid-1; Euthroid-2; Euthroid-3; L-3,3',5-TriioDOThyronine; L-3,5,3'-Triiodothyronine; L-3-(4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl)alanine; L-Liothyronine; L-T3; L-Tyrosine, O-(4-hydroxy-3-iodophenyl)-3,5-diiodo-(9CI); Liothyronin; Liothyronine (INN); Liothyronine I 131; Liothyronine I 131 [USAN]; Liothyronine [INN:BAN]; Liothyroninum; Liothyroninum[INN-Latin]; Liotironina; Liotironina [INN-Spanish]; Lyothyronine; O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine; Rathyronine; T3 (Hormone); T3 (Triiodothyronine); T3 (VAN); T3 (amino acid); T3 liothyronine; THYROID HORMONE; TRIIODOTHYRONINE (T3 OR LIOTHYRONINE, ACTIVE) (6-11%); Tertroxin (TN); Thyrolar-0.25; Thyrolar-0.5; Thyrolar-1; Thyrolar-2; Thyrolar-3; Thyronine, 3,3',5-triiodo-, L-(6CI); Tresitope; Tri-Thyrotope; Triiodo-L-thyronine; Triiodothyronine; Triiodothyronine (T3); Triomet-131; Triothyrone
Drug Type
Small molecular drug
Indication Hypothyroidism [ICD11: 5A00.2] Approved [1]
Therapeutic Class
Hormone Replacement Agents
Structure
3D MOL 2D MOL
Formula
C15H12I3NO4
Canonical SMILES
C1=CC(=C(C=C1OC2=C(C=C(C=C2I)CC(C(=O)O)N)I)I)O
InChI
InChI=1S/C15H12I3NO4/c16-9-6-8(1-2-13(9)20)23-14-10(17)3-7(4-11(14)18)5-12(19)15(21)22/h1-4,6,12,20H,5,19H2,(H,21,22)/t12-/m0/s1
InChIKey
AUYYCJSJGJYCDS-LBPRGKRZSA-N
CAS Number
CAS 6893-02-3
Pharmaceutical Properties Molecular Weight 650.97 Topological Polar Surface Area 92.8
Heavy Atom Count 23 Rotatable Bond Count 5
Hydrogen Bond Donor Count 3 Hydrogen Bond Acceptor Count 5
XLogP
1.7
PubChem CID
5920
PubChem SID
10321236 , 11364339 , 11364976 , 11366901 , 11367538 , 11369463 , 11370100 , 11372994 , 11373139 , 11373810 , 11375700 , 11377625 , 11378271 , 11457873 , 11466881 , 11468001 , 11485903 , 11486522 , 11489800 , 11491702 , 11492141 , 11495259 , 11532858 , 14710501 , 14710502 , 14936961 , 14964754 , 24900088 , 26737095 , 26737097 , 26753840 , 29224945 , 4253003 , 46393605 , 46506352 , 46518913 , 47217059 , 47291379 , 47440547 , 47440548 , 47885656 , 5481 , 7890655 , 7980832 , 8002138 , 8145172 , 8153668 , 830311 , 832593 , 854428
ChEBI ID
ChEBI:18258
TTD Drug ID
D0S6JG
DT(s) Transporting This Drug NTCP Transporter Info Sodium/taurocholate cotransporting polypeptide Substrate [2]
OATP1A2 Transporter Info Organic anion transporting polypeptide 1A2 Substrate [3]
OATP1B1 Transporter Info Organic anion transporting polypeptide 1B1 Substrate [4]
OATP1B3 Transporter Info Organic anion transporting polypeptide 1B3 Substrate [5]
OATP1C1 Transporter Info Organic anion transporting polypeptide 1C1 Substrate [6]
OATP4A1 Transporter Info Organic anion transporting polypeptide 4A1 Substrate [7]
OATP4C1 Transporter Info Organic anion transporting polypeptide 4C1 Substrate [7]
Drug-Transporter Activity Data
Drug-Transporter Activity Data OATP1A2 Transporter Info Km = 6.5 microM Oocytes-OATP1A2 [3]
OATP1B1 Transporter Info Km = 2.7 microM Oocytes-OATP1B1 [4]
OATP1B3 Transporter Info Km = 6.4 microM Oocytes-OATP1B3 [5]
OATP4A1 Transporter Info Km = 0.9 microM Oocytes-OATP4A1 [3]
OATP4C1 Transporter Info Km = 5.9 microM Madin-Darby canine kidney (MDCK) cells-OATP4C1 [7]
References
1 Liothyronine was approved by FDA. The official website of the U.S. Food and Drug Administration. (2019)
2 Identification of thyroid hormone transporters. Biochem Biophys Res Commun. 1999 Jan 19;254(2):497-501.
3 Identification of thyroid hormone transporters in humans: different molecules are involved in a tissue-specific manner. Endocrinology. 2001 May;142(5):2005-12.
4 Identification of a novel gene family encoding human liver-specific organic anion transporter LST-1. J Biol Chem. 1999 Jun 11;274(24):17159-63.
5 LST-2, a human liver-specific organic anion transporter, determines methotrexate sensitivity in gastrointestinal cancers. Gastroenterology. 2001 Jun;120(7):1689-99.
6 Involvement of multispecific organic anion transporter, Oatp14 (Slc21a14), in the transport of thyroxine across the blood-brain barrier. Endocrinology. 2004 Sep;145(9):4384-91.
7 Isolation and characterization of a digoxin transporter and its rat homologue expressed in the kidney. Proc Natl Acad Sci U S A. 2004 Mar 9;101(10):3569-74.

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