Details of the Drug Combination

General Information of Drug Combination (ID: DCRL3XB)

• Drug Combination Name: Itraconazole + Clindamycin
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Itraconazole (DMCR1MV): Small molecular drug
  Clindamycin (DM15HL8): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 14.68
  Bliss Independence Score: 14.68
  Loewe Additivity Score: 27.23
  LHighest Single Agent (HSA) Score: 27.23

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Itraconazole

Disease Entry	ICD 11	Status	REF
Aspergillosis	1F20	Approved	[2]
Blastomycosis	1F22	Approved	[2]
Fungal infection	1F29-1F2F	Approved	[3]
Fusariosis	N.A.	Approved	[2]
Histoplasmosis	N.A.	Approved	[2]
Invasive candidiasis	1F23	Approved	[2]
Mycoses	1F2Z	Approved	[2]
Candidemia	1F23.3Y	Investigative	[2]
Esophageal candidiasis	N.A.	Investigative	[2]

Itraconazole Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Hedgehog signaling pathway (HS pathway)	TT4LXBC	NOUNIPROTAC	Inhibitor	[6]
Candida Cytochrome P450 51 (Candi ERG11)	TTTSOUD	CP51_CANAL	Modulator	[7]

Itraconazole Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[8]

Itraconazole Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[9]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[10]

Itraconazole Interacts with 10 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Decreases Expression	[11]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Decreases Activity	[12]
1,25-dihydroxyvitamin D(3) 24-hydroxylase, mitochondrial (CYP24A1)	OTG2T749	CP24A_HUMAN	Decreases Activity	[13]
Cytochrome P450 1A1 (CYP1A1)	OTE4EFH8	CP1A1_HUMAN	Increases Expression	[14]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Expression	[15]
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[16]
Interleukin-4 (IL4)	OTOXBWAU	IL4_HUMAN	Decreases Expression	[17]
Interleukin-5 (IL5)	OTAFPSCO	IL5_HUMAN	Decreases Expression	[17]
11-beta-hydroxysteroid dehydrogenase type 2 (HSD11B2)	OTHF4H9U	DHI2_HUMAN	Decreases Activity	[18]
Lanosterol 14-alpha demethylase (CYP51A1)	OTAYHG9C	CP51A_HUMAN	Decreases Response To Substance	[19]

Indication(s) of Clindamycin

Disease Entry	ICD 11	Status	REF
Acne vulgaris	ED80	Approved	[4]
Aspiration pneumonia	N.A.	Approved	[5]
Bacteremia	1A73	Approved	[5]
Bacterial vaginosis	MF3A	Approved	[5]
Pleural empyema	N.A.	Approved	[5]
Staphylococcal pneumonia	N.A.	Approved	[5]
Staphylococcus aureus infection	N.A.	Approved	[5]
Streptococcal pneumonia	N.A.	Approved	[5]
Pelvic inflammatory disease	GA05	Investigative	[5]

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	[20]

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	[21]
Beta-lactamase (blaB)	DEMSNER	A4LA84_EDWTA	Metabolism	[22]

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	[23]
HLA class II histocompatibility antigen, DRB1 beta chain (HLA-DRB1)	OTRGGIFP	DRB1_HUMAN	Affects Expression	[24]
HLA class I histocompatibility antigen, alpha chain E (HLA-E)	OTX1CTFB	HLAE_HUMAN	Affects Expression	[24]
Collagenase 3 (MMP13)	OTY8BZIE	MMP13_HUMAN	Increases Expression	[25]

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] Itraconazole FDA Label
• [3] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 076104.
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] Clindamycin FDA Label
• [6] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [7] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [8] 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.
• [9] Effects of itraconazole and tandospirone on the pharmacokinetics of perospirone. Ther Drug Monit. 2006 Feb;28(1):73-5.
• [10] Investigation into UDP-glucuronosyltransferase (UGT) enzyme kinetics of imidazole- and triazole-containing antifungal drugs in human liver microsomes and recombinant UGT enzymes. Drug Metab Dispos. 2010 Jun;38(6):923-9.
• [11] Itraconazole cis-diastereoisomers activate aryl hydrocarbon receptor AhR and pregnane X receptor PXR and induce CYP1A1 in human cell lines and human hepatocytes. Toxicology. 2017 May 15;383:40-49.
• [12] Clinical pharmacokinetic monitoring of itraconazole is warranted in only a subset of patients. Ther Drug Monit. 2005 Jun;27(3):322-33. doi: 10.1097/01.ftd.0000150135.22645.ea.
• [13] The novel azole R126638 is a selective inhibitor of ergosterol synthesis in Candida albicans, Trichophyton spp., and Microsporum canis. Antimicrob Agents Chemother. 2004 Sep;48(9):3272-8.
• [14] Induction of cytochrome P450 1A1 by ketoconazole and itraconazole but not fluconazole in murine and human hepatoma cell lines. Toxicol Sci. 2007 May;97(1):32-43.
• [15] Azole antimycotics differentially affect rifampicin-induced pregnane X receptor-mediated CYP3A4 gene expression. Drug Metab Dispos. 2008 Feb;36(2):339-48.
• [16] Interference with bile salt export pump function is a susceptibility factor for human liver injury in drug development. Toxicol Sci. 2010 Dec; 118(2):485-500.
• [17] Anti-mycotics suppress interleukin-4 and interleukin-5 production in anti-CD3 plus anti-CD28-stimulated T cells from patients with atopic dermatitis. J Invest Dermatol. 2001 Dec;117(6):1635-46. doi: 10.1046/j.0022-202x.2001.01566.x.
• [18] Inhibition of 11-hydroxysteroid dehydrogenase 2 by the fungicides itraconazole and posaconazole. Biochem Pharmacol. 2017 Apr 15;130:93-103. doi: 10.1016/j.bcp.2017.01.010. Epub 2017 Jan 25.
• [19] Differential azole antifungal efficacies contrasted using a Saccharomyces cerevisiae strain humanized for sterol 14 alpha-demethylase at the homolo... Antimicrob Agents Chemother. 2008 Oct;52(10):3597-603.
• [20] Structural basis for the interaction of antibiotics with the peptidyl transferase centre in eubacteria. Nature. 2001 Oct 25;413(6858):814-21.
• [21] In vitro metabolism of clindamycin in human liver and intestinal microsomes. Drug Metab Dispos. 2003 Jul;31(7):878-87.
• [22] 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.
• [23] 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.
• [24] 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.
• [25] 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.