Details of the Drug Combination

General Information of Drug Combination (ID: DC90U5Y)

• Drug Combination Name: Buspirone + Palonosetron
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Buspirone (DMBS632): Small molecular drug
  Palonosetron (DMBHMOX): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 13.16
  Bliss Independence Score: 13.16
  Loewe Additivity Score: 26.68
  LHighest Single Agent (HSA) Score: 26.69

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Buspirone

Disease Entry	ICD 11	Status	REF
Anxiety disorder	6B00-6B0Z	Approved	[2]

Buspirone Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
5-HT 1A receptor (HTR1A)	TTSQIFT	5HT1A_HUMAN	Agonist	[5]

Buspirone Interacts with 5 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[7]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[7]
Cytochrome P450 3A7 (CYP3A7)	DERD86B	CP3A7_HUMAN	Metabolism	[8]
Cytochrome P450 102A1 (cyp102)	DE4OGUF	CPXB_BACMB	Metabolism	[9]

Buspirone Interacts with 5 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2D6 (CYP2D6)	OTZJC802	CP2D6_HUMAN	Increases Oxidation	[7]
Cytochrome P450 3A5 (CYP3A5)	OTSXFBXB	CP3A5_HUMAN	Increases Oxidation	[7]
Transmembrane protease serine 2 (TMPRSS2)	OTN44YQ5	TMPS2_HUMAN	Increases Expression	[10]
Pro-opiomelanocortin (POMC)	OTV41F7T	COLI_HUMAN	Increases Expression	[11]
Prolactin (PRL)	OTWFQGX7	PRL_HUMAN	Increases Expression	[11]

Indication(s) of Palonosetron

Disease Entry	ICD 11	Status	REF
Nausea	MD90	Approved	[3]
Vomiting	MD90	Approved	[4]

Palonosetron Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
5-HT 3A receptor (HTR3A)	TTPC4TU	5HT3A_HUMAN	Antagonist	[12]

Palonosetron Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[13]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[14]

Palonosetron Interacts with 1 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Potassium voltage-gated channel subfamily H member 2 (KCNH2)	OTZX881H	KCNH2_HUMAN	Decreases Activity	[15]

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: 36).
• [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: 7486).
• [4] Palonosetron FDA Label
• [5] Interactions between corticotropin-releasing hormone and serotonin: implications for the aetiology and treatment of anxiety disorders. Handb Exp Pharmacol. 2005;(169):181-204.
• [6] Effects of cytochrome P450 (CYP) 3A4 inhibitors on the anxiolytic action of tandospirone in rat contextual conditioned fear. Prog Neuropsychopharmacol Biol Psychiatry. 2007 May 9;31(4):926-31.
• [7] Cytochrome P450 3A-mediated metabolism of buspirone in human liver microsomes. Drug Metab Dispos. 2005 Apr;33(4):500-7.
• [8] Drug Interactions Flockhart Table
• [9] The bacterial P450 BM3: a prototype for a biocatalyst with human P450 activities. Trends Biotechnol. 2007 Jul;25(7):289-98.
• [10] Effect of common medications on the expression of SARS-CoV-2 entry receptors in liver tissue. Arch Toxicol. 2020 Dec;94(12):4037-4041. doi: 10.1007/s00204-020-02869-1. Epub 2020 Aug 17.
• [11] Hormonal responses to the 5-HT1A agonist buspirone in remitted endogenous depressive patients after long-term imipramine treatment. Psychoneuroendocrinology. 2010 May;35(4):481-9. doi: 10.1016/j.psyneuen.2009.08.012. Epub 2009 Sep 16.
• [12] Management of postoperative nausea and vomiting: focus on palonosetron. Ther Clin Risk Manag. 2009 Feb;5(1):21-34.
• [13] Pharmacokinetics, metabolism and excretion of intravenous [l4C]-palonosetron in healthy human volunteers. Biopharm Drug Dispos. 2004 Nov;25(8):329-37.
• [14] Cytochrome P450 2D6 metabolism and 5-hydroxytryptamine type 3 receptor antagonists for postoperative nausea and vomiting. Med Sci Monit. 2005 Oct;11(10):RA322-8.
• [15] Why are most phospholipidosis inducers also hERG blockers?. Arch Toxicol. 2017 Dec;91(12):3885-3895. doi: 10.1007/s00204-017-1995-9. Epub 2017 May 27.