Details of the Drug Combination

General Information of Drug Combination (ID: DCAIRXX)

• Drug Combination Name: Relugolix + Fluconazole
• Indication: Prostate Cancer; Status: Phase 1 [1]
• Component Drugs:
  Relugolix (DMK7IWL): Small molecular drug
  Fluconazole (DMOWZ6B): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Relugolix

Disease Entry	ICD 11	Status	REF
Prostate cancer	2C82.0	Approved	[2]
Endometriosis	GA10	Phase 3	[3]

Relugolix Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Gonadotropin-releasing hormone receptor (GNRHR)	TT8R70G	GNRHR_HUMAN	Antagonist	[2]

Relugolix Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[6]

Indication(s) of Fluconazole

Disease Entry	ICD 11	Status	REF
Cryptococcal meningitis	N.A.	Approved	[4]
Fungal infection	1F29-1F2F	Approved	[5]
Invasive candidiasis	1F23	Approved	[4]
Mycoses	1F2Z	Approved	[4]
Oral candidiasis	1F23.0	Approved	[4]
Autoimmune polyendocrine syndrome type 1	N.A.	Investigative	[4]
Candidemia	1F23.3Y	Investigative	[4]
Esophageal candidiasis	N.A.	Investigative	[4]

Fluconazole Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Candida Cytochrome P450 51 (Candi ERG11)	TTTSOUD	CP51_CANAL	Modulator	[8]

Fluconazole Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2C9 (CYP2C9)	DE5IED8	CP2C9_HUMAN	Metabolism	[9]

Fluconazole Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2C9 (CYP2C9)	OTGLBN29	CP2C9_HUMAN	Decreases Activity	[10]
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Decreases Activity	[11]
Steroid 17-alpha-hydroxylase/17,20 lyase (CYP17A1)	OTZKVLVJ	CP17A_HUMAN	Affects Activity	[12]
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[12]
Steroidogenic acute regulatory protein, mitochondrial (STAR)	OTFEZ5AI	STAR_HUMAN	Increases Expression	[13]
Lanosterol 14-alpha demethylase (CYP51A1)	OTAYHG9C	CP51A_HUMAN	Decreases Response To Substance	[14]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases ADR	[7]
Cytochrome P450 2C19 (CYP2C19)	OTFMJYYE	CP2CJ_HUMAN	Increases Metabolism	[15]

References

• [1] ClinicalTrials.gov (NCT02093390) A Phase 1 Study to Evaluate the Effects of Fluconazole and Atorvastatin on the Pharmacokinetics of TAK-385 in Healthy Subjects
• [2] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health Human Services. 2020
• [3] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [4] Fluconazole FDA Label
• [5] Fluconazole use as an important risk factor in the emergence of fluconazole-resistant Candida glabrata fungemia. Arch Intern Med. 2009 Aug 10;169(15):1444-5; author reply 1445.
• [6] KEGG: new perspectives on genomes, pathways, diseases and drugs. Nucleic Acids Res. 2017 Jan 4;45(D1):D353-D361. (dg:DG01665)
• [7] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [8] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [9] Effect of fluconazole on plasma fluvastatin and pravastatin concentrations. Eur J Clin Pharmacol. 2000 Jun;56(3):225-9.
• [10] 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.
• [11] CYP3A4 substrate selection and substitution in the prediction of potential drug-drug interactions. J Pharmacol Exp Ther. 2005 Jul;314(1):180-90.
• [12] The classic azole antifungal drugs are highly potent endocrine disruptors in vitro inhibiting steroidogenic CYP enzymes at concentrations lower than therapeutic Cmax. Toxicology. 2019 Sep 1;425:152247. doi: 10.1016/j.tox.2019.152247. Epub 2019 Jul 19.
• [13] Fluconazole inhibits human adrenocortical steroidogenesis in vitro. J Endocrinol. 2012 Dec;215(3):403-12. doi: 10.1530/JOE-12-0310. Epub 2012 Oct 4.
• [14] 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.
• [15] [Simultaneous determination of the inhibitory potency of compounds on the activity of five cytochrome P-450 enzymes using a cocktail probe substrates method]. Yao Xue Xue Bao. 2007 Jun;42(6):589-94.