Drugs Information: Methylnaltrexone

Basic Information

ID DDInter1188
Drug Type small molecule
Molecular Formula C21H26No4
Molecular Weight 356.442
Description Methylnaltrexone is a μ-opioid antagonist used for the treatment of opioid-induced constipation in palliative patients that are inadequately responding to laxative therapy.
ATC Classification A06AH01
IUPAC Name (1S,4R,5R,13R,17S)-4-(Cyclopropylmethyl)-10,17-Dihydroxy-4-Methyl-14-Oxo-12-Oxa-4-Azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]Octadeca
InChI Inchi=1S/C21H25No4/C1-22(11-12-2-3-12)9-8-20-17-13-4-5-14(23)18(17)26-19(20)15(24)6-7-21(20,25)16(22)10-13/H4-5,12,16,19,25H,2-3,6-11H2,1H3/P+1/T16-,19+,20+,21-,22-/M1/S1
InChI Key JVLBPIPGETUEET-WIXLDOGYSA-O
Canonical SMILES C[N@+]1(CC2CC2)CC[C@]23[C@H]4OC5=C(O)C=CC(C[C@@H]1[C@]2(O)CCC4=O)=C35
Useful Links DrugBank PubChem

Interactions with Methylnaltrexone

Severity level ID Name Mechanism Detail