Details of the Drug Combination

General Information of Drug Combination (ID: DC17GNA)

• Drug Combination Name: Clindamycin + Cefazolin
• Indication: Supracondylar Humerus Fracture; Status: Phase 4 [1]
• Component Drugs:
  Clindamycin (DM15HL8): Small molecular drug
  Cefazolin (DMPDYFR): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Clindamycin

Disease Entry	ICD 11	Status	REF
Acne vulgaris	ED80	Approved	[2]
Aspiration pneumonia	N.A.	Approved	[3]
Bacteremia	1A73	Approved	[3]
Bacterial vaginosis	MF3A	Approved	[3]
Pleural empyema	N.A.	Approved	[3]
Staphylococcal pneumonia	N.A.	Approved	[3]
Staphylococcus aureus infection	N.A.	Approved	[3]
Streptococcal pneumonia	N.A.	Approved	[3]
Pelvic inflammatory disease	GA05	Investigative	[3]

Clindamycin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial 50S ribosomal RNA (Bact 50S rRNA)	TTUWYEA	NOUNIPROTAC	Binder	[6]

Clindamycin Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[7]
Beta-lactamase (blaB)	DEMSNER	A4LA84_EDWTA	Metabolism	[8]

Clindamycin Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Expression	[9]
HLA class II histocompatibility antigen, DRB1 beta chain (HLA-DRB1)	OTRGGIFP	DRB1_HUMAN	Affects Expression	[10]
HLA class I histocompatibility antigen, alpha chain E (HLA-E)	OTX1CTFB	HLAE_HUMAN	Affects Expression	[10]
Collagenase 3 (MMP13)	OTY8BZIE	MMP13_HUMAN	Increases Expression	[11]

Indication(s) of Cefazolin

Disease Entry	ICD 11	Status	REF
Bacteremia	1A73	Approved	[4]
Bacterial infection	1A00-1C4Z	Approved	[5]
Cholangitis	N.A.	Approved	[4]
Staphylococcal pneumonia	N.A.	Approved	[4]

Cefazolin 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	[12]

Cefazolin Interacts with 5 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[13]
Multidrug resistance-associated protein 4 (ABCC4)	DTCSGPB	MRP4_HUMAN	Substrate	[14]
Peptide transporter 1 (SLC15A1)	DT9G7XN	S15A1_HUMAN	Substrate	[15]
Organic anion transporter 1 (SLC22A6)	DTQ23VB	S22A6_HUMAN	Substrate	[16]
Organic anion transporter 3 (SLC22A8)	DTVP67E	S22A8_HUMAN	Substrate	[16]

Cefazolin Interacts with 4 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Thiopurine methyltransferase (TPMT)	DEFQ8VO	TPMT_HUMAN	Metabolism	[17]
Beta-lactamase (blaB)	DEP0IWS	A0A378EHS6_KLEPR	Metabolism	[18]
Beta-lactamase (blaB)	DE7IH52	AMPC_CITFR	Metabolism	[19]
Beta-lactamase (blaB)	DENJ2SQ	BLAB_BACFG	Metabolism	[20]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Burn	DCVPHSM	N. A.	Phase 4	[21]

References

• [1] ClinicalTrials.gov (NCT03261830) Antibiotics Usage in Pediatric Orthopaedic Percutaneous Surgery (APOPS)
• [2] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [3] Clindamycin FDA Label
• [4] Cefazolin FDA Label
• [5] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 065244.
• [6] Structural basis for the interaction of antibiotics with the peptidyl transferase centre in eubacteria. Nature. 2001 Oct 25;413(6858):814-21.
• [7] In vitro metabolism of clindamycin in human liver and intestinal microsomes. Drug Metab Dispos. 2003 Jul;31(7):878-87.
• [8] Comparison of antimicrobial susceptibility, beta-lactamase production, plasmid analysis and serum bactericidal activity in Edwardsiella tarda, E. ictaluri and E. hoshinae. J Med Microbiol. 1993 Oct;39(4):273-81.
• [9] 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.
• [10] 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.
• [11] Chloramphenicol causes mitochondrial stress, decreases ATP biosynthesis, induces matrix metalloproteinase-13 expression, and solid-tumor cell invasion. Toxicol Sci. 2010 Jul;116(1):140-50. doi: 10.1093/toxsci/kfq085. Epub 2010 Mar 25.
• [12] Bacteriological characteristics of Staphylococcus aureus isolates from humans and bulk milk. J Dairy Sci. 2008 Feb;91(2):564-9.
• [13] Organic anion transporting polypeptide 1B1: a genetically polymorphic transporter of major importance for hepatic drug uptake. Pharmacol Rev. 2011 Mar;63(1):157-81.
• [14] Oral availability of cefadroxil depends on ABCC3 and ABCC4. Drug Metab Dispos. 2012 Mar;40(3):515-21.
• [15] Three-dimensional quantitative structure-activity relationship analyses of beta-lactam antibiotics and tripeptides as substrates of the mammalian H+/peptide cotransporter PEPT1. J Med Chem. 2005 Jun 30;48(13):4410-9.
• [16] Expression levels of renal organic anion transporters (OATs) and their correlation with anionic drug excretion in patients with renal diseases. Pharm Res. 2004 Jan;21(1):61-7.
• [17] Cefazolin administration and 2-methyl-1,3,4-thiadiazole-5-thiol in human tissue: possible relationship to hypoprothrombinemia. Drug Metab Dispos. 2002 Oct;30(10):1123-8.
• [18] Analysis of the drug-resistant characteristics of Klebsiella pneumoniae isolated from the respiratory tract and CTX-M ESBL genes. Genet Mol Res. 2015 Oct 5;14(4):12043-8.
• [19] Citrobacter freundii bacteremia: Risk factors of mortality and prevalence of resistance genes. J Microbiol Immunol Infect. 2018 Aug;51(4):565-572.
• [20] Prevalence of antimicrobial resistance genes in Bacteroides spp. and Prevotella spp. Dutch clinical isolates. Clin Microbiol Infect. 2019 Sep;25(9):1156.e9-1156.e13.
• [21] ClinicalTrials.gov (NCT04516148) A Randomized, Controlled Trial of the Effectiveness of Perioperative Antibiotics for Reduction of Burn Wound Bacterial Concentration Following Grafting