Details of the Drug Combination

General Information of Drug Combination (ID: DCRB2VL)

• Drug Combination Name: Rifampin + Baclofen
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Rifampin (DMA8J1G): Small molecular drug
  Baclofen (DM0QV1J): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 20.25
  Bliss Independence Score: 20.25
  Loewe Additivity Score: 34.78
  LHighest Single Agent (HSA) Score: 34.8

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Rifampin

Disease Entry	ICD 11	Status	REF
Tuberculosis	1B10-1B1Z	Approved	[2]

Rifampin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial RNA polymerase switch region (Bact RNAP-SR)	TTIJ5EB	NOUNIPROTAC	Inhibitor	[5]

Rifampin Interacts with 5 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 2 (ABCC2)	DTFI42L	MRP2_HUMAN	Substrate	[6]
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[7]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[8]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[9]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[10]

Indication(s) of Baclofen

Disease Entry	ICD 11	Status	REF
Multiple sclerosis	8A40	Approved	[3]
Fragile X syndrome	LD55	Phase 3	[4]

Baclofen Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Gamma-aminobutyric acid B receptor (GABBR)	TTDCVZW	GABR1_HUMAN; GABR2_HUMAN	Modulator	[11]

Baclofen Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Tumor necrosis factor (TNF)	OT4IE164	TNFA_HUMAN	Decreases Secretion	[12]
Adenosine receptor A1 (ADORA1)	OTI7X39E	AA1R_HUMAN	Increases ADR	[13]
ATP-binding cassette sub-family C member 4 (ABCC4)	OTO27PAL	MRP4_HUMAN	Increases Transport	[14]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] Drugs used to treat Parkinson's disease, present status and future directions. CNS Neurol Disord Drug Targets. 2008 Oct;7(4):321-42.
• [3] 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: 1084).
• [4] ClinicalTrials.gov (NCT01706523) Open Label Extension Study of STX209 (Arbaclofen) in Autism Spectrum Disorders. U.S. National Institutes of Health.
• [5] Bacillus subtilis tolerance of moderate concentrations of rifampin involves the sigma(B)-dependent general and multiple stress response. J Bacteriol. 2002 Jan;184(2):459-67.
• [6] Expression and distribution of CYP3A genes, CYP2B22, and MDR1, MRP1, MRP2, LRP efflux transporters in brain of control and rifampicin-treated pigs. Mol Cell Biochem. 2010 Apr;337(1-2):133-43.
• [7] Mammalian drug efflux transporters of the ATP binding cassette (ABC) family in multidrug resistance: A review of the past decade. Cancer Lett. 2016 Jan 1;370(1):153-64.
• [8] Arginine-482 is not essential for transport of antibiotics, primary bile acids and unconjugated sterols by the human breast cancer resistance protein (ABCG2). Biochem J. 2005 Jan 15;385(Pt 2):419-26.
• [9] Human organic anion transporting polypeptide-C (SLC21A6) is a major determinant of rifampin-mediated pregnane X receptor activation. J Pharmacol Exp Ther. 2003 Jan;304(1):223-8.
• [10] Interactions of rifamycin SV and rifampicin with organic anion uptake systems of human liver. Hepatology. 2002 Jul;36(1):164-72.
• [11] Synthesis and pharmacology of the baclofen homologues 5-amino-4-(4-chlorophenyl)pentanoic acid and the R- and S-enantiomers of 5-amino-3-(4-chlorop... J Med Chem. 1999 Jun 3;42(11):2053-9.
• [12] Anti-inflammatory effects of the GABA(B) receptor agonist baclofen in allergic contact dermatitis. Exp Dermatol. 2010 Jul 1;19(7):661-6. doi: 10.1111/j.1600-0625.2010.01076.x. Epub 2010 Feb 25.
• [13] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [14] Multichannel liquid chromatography-tandem mass spectrometry cocktail method for comprehensive substrate characterization of multidrug resistance-associated protein 4 transporter. Pharm Res. 2007 Dec;24(12):2281-96.