General Information
Drug ID
DR00171
Drug Name
Loperamide
Synonyms
2-methoxyethyl1-methylethyl2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate; 4-(4-Chlorophenyl)-N,N-dimethyl-.alpha.,.alpha.-diphenyl-4-hydroxy-1-piperidinebutanamide; 4-(4-Chlorophenyl)-N,N-dimethyl-alpha,alpha-diphenyl-4-hydroxy-1-piperidinebutanamide; 4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]-N,N-dimethyl-2,2-diphenylbutanamide; Apo-Loperamide; Diamide (TN); Diarr-Eze; Dimor (TN); Imodium (TN); Imodium A-D Caplets; Ioperamide; Kaopectate II; Loperacap; Loperamida; Loperamida [INN-Spanish]; Loperamide (INN); Loperamide Monohydrochloride; Loperamide [INN:BAN]; Loperamidum; Loperamidum [INN-Latin]; Lopex (TN); Maalox Anti-Diarrheal; Nu-Loperamide; PMS-Loperamide; Pepto (TN); Pepto Diarrhea Control; R-18553; Rho-Loperamide
Drug Type
Small molecular drug
Indication Acute diarrhea [ICD11:ME05.1] Approved [1]
Therapeutic Class
Antidiarrheals
Structure
3D MOL 2D MOL
Formula
C29H33ClN2O2
Canonical SMILES
CN(C)C(=O)C(CCN1CCC(CC1)(C2=CC=C(C=C2)Cl)O)(C3=CC=CC=C3)C4=CC=CC=C4
InChI
InChI=1S/C29H33ClN2O2/c1-31(2)27(33)29(24-9-5-3-6-10-24,25-11-7-4-8-12-25)19-22-32-20-17-28(34,18-21-32)23-13-15-26(30)16-14-23/h3-16,34H,17-22H2,1-2H3
InChIKey
RDOIQAHITMMDAJ-UHFFFAOYSA-N
CAS Number
CAS 53179-11-6
Pharmaceutical Properties Molecular Weight 477 Topological Polar Surface Area 43.8
Heavy Atom Count 34 Rotatable Bond Count 7
Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 3
XLogP
5
PubChem CID
3955
PubChem SID
10590039 ,11111380 ,11112740 ,11113732 ,11119963 ,11120451 ,11120939 ,11121446 ,11121926 ,11147046 ,11335390 ,11360629 ,11362515 ,11363268 ,11365077 ,11365830 ,11367639 ,11368392 ,11370301 ,11370302 ,11372088 ,11373240 ,11374823 ,11375801 ,11376554 ,11461601 ,11466172 ,11467292 ,11485552 ,11485923 ,11489554 ,11490830 ,11492957 ,11494188 ,14809921 ,26751916 ,26751917 ,29223069 ,46504591 ,47216522 ,47364910 ,47515062 ,47515063 ,47588737 ,47662002 ,47662003 ,5686070 ,7979790 ,8152483 ,9291
ChEBI ID
ChEBI:6532
TTD Drug ID
D0CS2F
DT(s) Transporting This Drug P-GP Transporter Info P-glycoprotein 1 Substrate [2]
Drug-Transporter Activity Data
Drug-Transporter Activity Data P-GP Transporter Info Km =13.8 microM High five cells-MDR1 [3]
P-GP Transporter Info Km =11.4 microM Spodoptera frugiperda (Sf9) cells-MDR1 [2]
References
1 Loperamide was approved by FDA. The official website of the U.S. Food and Drug Administration. (2019)
2 In vitro P-glycoprotein assays to predict the in vivo interactions of P-glycoprotein with drugs in the central nervous system. Drug Metab Dispos. 2008 Feb;36(2):268-75.
3 Comparative studies on in vitro methods for evaluating in vivo function of MDR1 P-glycoprotein. Pharm Res. 2001 Dec;18(12):1660-8.

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