Details of the Drug Combination

General Information of Drug Combination (ID: DCF692M)

• Drug Combination Name: Trihexyphenidyl + Rifampin
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Trihexyphenidyl (DMB19L8): Small molecular drug
  Rifampin (DMA8J1G): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 14.73
  Bliss Independence Score: 14.73
  Loewe Additivity Score: 27.82
  LHighest Single Agent (HSA) Score: 27.84

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Trihexyphenidyl

Disease Entry	ICD 11	Status	REF
Dystonia	8A02	Approved	[2]
Parkinson disease	8A00.0	Approved	[2]
Parkinsonian disorder	N.A.	Approved	[3]
Postencephalitic Parkinson disease	N.A.	Approved	[3]
Obesity	5B81	Investigative	[4]

Trihexyphenidyl Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Muscarinic acetylcholine receptor M1 (CHRM1)	TTZ9SOR	ACM1_HUMAN	Antagonist	[6]
Adrenergic receptor beta-3 (ADRB3)	TTMXGCW	ADRB3_HUMAN	Agonist	[4]

Trihexyphenidyl Interacts with 13 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Proepiregulin (EREG)	OTRM4NQY	EREG_HUMAN	Increases Expression	[7]
Interleukin-1 alpha (IL1A)	OTPSGILV	IL1A_HUMAN	Increases Expression	[7]
Interleukin-1 beta (IL1B)	OT0DWXXB	IL1B_HUMAN	Increases Expression	[7]
Antileukoproteinase (SLPI)	OTUNFUU8	SLPI_HUMAN	Increases Expression	[7]
Hepatocyte growth factor receptor (MET)	OT7K55MU	MET_HUMAN	Increases Expression	[7]
Interleukin-8 (CXCL8)	OTS7T5VH	IL8_HUMAN	Increases Expression	[7]
Bone morphogenetic protein 6 (BMP6)	OT9WN536	BMP6_HUMAN	Increases Expression	[7]
Prostaglandin G/H synthase 2 (PTGS2)	OT75U9M4	PGH2_HUMAN	Increases Expression	[7]
Tumor necrosis factor-inducible gene 6 protein (TNFAIP6)	OT1SLUZH	TSG6_HUMAN	Increases Expression	[7]
Interleukin-24 (IL24)	OT4VUWH1	IL24_HUMAN	Increases Expression	[7]
PTB-containing, cubilin and LRP1-interacting protein (PID1)	OT5YJ7FI	PCLI1_HUMAN	Increases Expression	[7]
Cystine/glutamate transporter (SLC7A11)	OTKJ6PXW	XCT_HUMAN	Increases Expression	[7]
Apolipoprotein E (APOE)	OTFOWL2H	APOE_HUMAN	Increases Response To Substance	[8]

Indication(s) of Rifampin

Disease Entry	ICD 11	Status	REF
Tuberculosis	1B10-1B1Z	Approved	[5]

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	[9]

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	[10]
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[11]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[12]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[13]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[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] 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: 7315).
• [3] Trihexyphenidyl FDA Label
• [4] Obesity: pathophysiology and clinical management. Curr Med Chem. 2009;16(4):506-21.
• [5] Drugs used to treat Parkinson's disease, present status and future directions. CNS Neurol Disord Drug Targets. 2008 Oct;7(4):321-42.
• [6] The role of M1 muscarinic cholinergic receptors in the discriminative stimulus properties of N-desmethylclozapine and the atypical antipsychotic dr... Psychopharmacology (Berl). 2009 Apr;203(2):295-301.
• [7] An in vitro coculture system of human peripheral blood mononuclear cells with hepatocellular carcinoma-derived cells for predicting drug-induced liver injury. Arch Toxicol. 2021 Jan;95(1):149-168. doi: 10.1007/s00204-020-02882-4. Epub 2020 Aug 20.
• [8] Increased mental slowing associated with the APOE epsilon4 allele after trihexyphenidyl oral anticholinergic challenge in healthy elderly. Am J Geriatr Psychiatry. 2008 Feb;16(2):116-24. doi: 10.1097/JGP.0b013e31815aff75.
• [9] 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.
• [10] 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.
• [11] 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.
• [12] 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.
• [13] 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.
• [14] Interactions of rifamycin SV and rifampicin with organic anion uptake systems of human liver. Hepatology. 2002 Jul;36(1):164-72.