Details of the Drug Combination

General Information of Drug Combination (ID: DCY1Y0Y)

• Drug Combination Name: Vancomycin + Nafcillin
• Indication: Acute Hematogenous Osteomyelitis; Status: Phase 3 [1]
• Component Drugs:
  Vancomycin (DM3JFIH): N.A.
  Nafcillin (DMN9RPO): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Vancomycin

Disease Entry	ICD 11	Status	REF
Bacteremia	1A73	Approved	[2]
Bacterial endocarditis	N.A.	Approved	[2]
Clostridioides difficile infection	1A04	Approved	[2]
Methicillin-resistant staphylococci infection	1A00-1A09	Approved	[3]
Neonatal sepsis	N.A.	Approved	[2]
Staphylococcal pneumonia	N.A.	Approved	[2]
Staphylococcus aureus infection	N.A.	Approved	[2]
MRSA infection	1D01.0Y	Investigative	[4]
Skin infection	1F28-1G0Z	Investigative	[2]

Vancomycin Interacts with 14 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
VanA ligase (vanA)	DEOFMQ7	Q0WYK7_ENTFL	Metabolism	[7]
VanA ligase (vanA)	DEO97D6	VANA_ENTFC	Metabolism	[7]
VanB ligase (vanB)	DE27YVU	Q58F99_ENTFC	Metabolism	[7]
VanC2 ligase (vanC)	DEIF4P9	VANC_ENTGA	Metabolism	[8]
VanG ligase (vanG)	DEPH3S7	A0A076ZC24_STRAP	Metabolism	[9]
VanA ligase (vanA)	DEO8E75	A0A437UFE2_ENTAV	Metabolism	[7]
VanB ligase (vanB)	DER7KFQ	VANB_ENTFA	Metabolism	[7]
VanC2 ligase (vanC)	DEH73ZC	Q47720_ENTCA	Metabolism	[10]
D-alanylalanine synthetase (ddl)	DE035GU	A0A1Q6S944_9FIRM	Metabolism	[9]
VanG ligase (vanG)	DEPN8F9	A0A076YRI6_STRAG	Metabolism	[9]
VanB ligase (vanB)	DEMDEJ8	Q58F99_ENTFC	Metabolism	[11]
VanB ligase (vanB)	DE2GMEK	Q58F99_ENTFC	Metabolism	[11]
VanA ligase (vanA)	DEN6VO0	A0A376GZ73_ENTGA	Metabolism	[12]
VanA ligase (vanA)	DESOXHP	A0A4U9YK96_ENTCA	Metabolism	[13], [12]

Vancomycin Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
HLA class I histocompatibility antigen, B alpha chain (HLA-B)	OTNXFWY2	HLAB_HUMAN	Affects Expression	[14]
C-reactive protein (CRP)	OT0RFT8F	CRP_HUMAN	Decreases Expression	[15]
HLA class II histocompatibility antigen, DM beta chain (HLA-DMB)	OT17HGXJ	DMB_HUMAN	Affects Expression	[14]
Major histocompatibility complex class I-related gene protein (MR1)	OTZU3XX7	HMR1_HUMAN	Affects Expression	[14]

Indication(s) of Nafcillin

Disease Entry	ICD 11	Status	REF
Arthritis	FA20	Approved	[5]
Staphylococcal pneumonia	N.A.	Approved	[6]
Staphylococcus aureus infection	N.A.	Approved	[6]

Nafcillin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial Penicillin binding protein (Bact PBP)	TTJP4SM	NOUNIPROTAC	Binder	[16]

Nafcillin Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[17]

Nafcillin Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Expression	[18]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[19]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[20]

References

• [1] ClinicalTrials.gov (NCT01922011) Safety and Efficacy Study of Daptomycin Compared to Active Comparator in Pediatric Participants With Acute Hematogenous Osteomyelitis (AHO) (MK-3009-006)
• [2] Vancomycin FDA Label
• [3] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [4] The ChEMBL database in 2017. Nucleic Acids Res. 2017 Jan 4;45(D1):D945-D954.
• [5] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 062527.
• [6] Nafcillin FDA Label
• [7] Genetics and mechanisms of glycopeptide resistance in enterococci. Antimicrob Agents Chemother. 1993 Aug;37(8):1563-71.
• [8] Sequence of the vanC gene of Enterococcus gallinarum BM4174 encoding a D-alanine:D-alanine ligase-related protein necessary for vancomycin resistance. Gene. 1992 Mar 1;112(1):53-8.
• [9] vanG element insertions within a conserved chromosomal site conferring vancomycin resistance to Streptococcus agalactiae and Streptococcus anginosus. mBio. 2014 Jul 22;5(4):e01386-14.
• [10] Bacterial resistance to vancomycin: overproduction, purification, and characterization of VanC2 from Enterococcus casseliflavus as a D-Ala-D-Ser ligase. Proc Natl Acad Sci U S A. 1997 Sep 16;94(19):10040-4.
• [11] vanI: a novel D-Ala-D-Lac vancomycin resistance gene cluster found in Desulfitobacterium hafniense. Microb Biotechnol. 2014 Sep;7(5):456-66.
• [12] Emergence of high-level resistance to glycopeptides in Enterococcus gallinarum and Enterococcus casseliflavus. Antimicrob Agents Chemother. 1994 Jul;38(7):1675-7.
• [13] vanA in Enterococcus faecium, Enterococcus faecalis, and Enterococcus casseliflavus detected in French cattle. Foodborne Pathog Dis. 2009 Nov;6(9):1107-11.
• [14] Systems pharmacological analysis of drugs inducing stevens-johnson syndrome and toxic epidermal necrolysis. Chem Res Toxicol. 2015 May 18;28(5):927-34. doi: 10.1021/tx5005248. Epub 2015 Apr 3.
• [15] [Successful treatment of MRSA-associated glomerulonephritis with antibiotic therapy]. Nihon Jinzo Gakkai Shi. 2003;45(1):37-41.
• [16] Binding affinity for penicillin-binding protein 2a correlates with in vivo activity of beta-lactam antibiotics against methicillin-resistant Staphylococcus aureus. J Infect Dis. 1990 Sep;162(3):705-10.
• [17] Organic anion transporting polypeptide 1B1: a genetically polymorphic transporter of major importance for hepatic drug uptake. Pharmacol Rev. 2011 Mar;63(1):157-81.
• [18] A comprehensive in vitro and in silico analysis of antibiotics that activate pregnane X receptor and induce CYP3A4 in liver and intestine. Drug Metab Dispos. 2008 Aug;36(8):1689-97.
• [19] Screening of a chemical library reveals novel PXR-activating pharmacologic compounds. Toxicol Lett. 2015 Jan 5;232(1):193-202. doi: 10.1016/j.toxlet.2014.10.009. Epub 2014 Oct 16.
• [20] Pro-inflammatory cytokines enhance dilatation of bile canaliculi caused by cholestatic antibiotics. Toxicol In Vitro. 2019 Aug;58:51-59. doi: 10.1016/j.tiv.2019.03.015. Epub 2019 Mar 12.