Details of the Drug Combination

General Information of Drug Combination (ID: DC60EYZ)

• Drug Combination Name: Doxycycline + Mefloquine
• Indication: DD2; Status: Investigative [1]
• Component Drugs:
  Doxycycline (DM7ICNU): Small molecular drug
  Mefloquine (DMWT905): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: DD2
  Zero Interaction Potency (ZIP) Score: 5.2
  Bliss Independence Score: 3.428
  Loewe Additivity Score: 4.028
  LHighest Single Agent (HSA) Score: 7.736

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Doxycycline

Disease Entry	ICD 11	Status	REF
Acne vulgaris	ED80	Approved	[2]
Actinomycosis	N.A.	Approved	[2]
Acute gonococcal cervicitis	N.A.	Approved	[2]
Acute gonococcal epididymo-orchitis	N.A.	Approved	[2]
Advanced gum disease	DA0D	Approved	[3]
Anthrax	1B97	Approved	[2]
Bartonellosis	N.A.	Approved	[2]
Boutonneuse fever	N.A.	Approved	[2]
Brill-Zinsser disease	N.A.	Approved	[2]
Bronchitis	CA20	Approved	[2]
Brucellosis	N.A.	Approved	[2]
Chancroid	N.A.	Approved	[2]
Chlamydiaceae infections	N.A.	Approved	[2]
Chronic periodontitis	DA0C.Y	Approved	[3]
Colorectal carcinoma	N.A.	Approved	[2]
Cutaneous anthrax	N.A.	Approved	[2]
Endemic typhus	N.A.	Approved	[2]
Epidemic louse-borne typhus	N.A.	Approved	[2]
Gastrointestinal anthrax	N.A.	Approved	[2]
Inhalational anthrax	N.A.	Approved	[2]
Listeriosis	N.A.	Approved	[2]
Lymphogranuloma venereum	N.A.	Approved	[2]
Mycoplasma pneumoniae pneumonia	N.A.	Approved	[2]
Ornithosis	N.A.	Approved	[2]
Q fever	N.A.	Approved	[2]
Relapsing fever	N.A.	Approved	[2]
Rickettsialpox	N.A.	Approved	[2]
Rickettsiosis	N.A.	Approved	[2]
Rocky mountain spotted fever	N.A.	Approved	[2]
Syphilis	N.A.	Approved	[2]
Trachoma	N.A.	Approved	[2]
Tularemia	1B94	Approved	[2]
Typhus	N.A.	Approved	[2]
Yaws	N.A.	Approved	[2]
Diabetic foot ulcer	BD54	Phase 2	[4]
Sinusitis	CA0A.Z	Investigative	[2]
Vibrio cholerae infection	1A00	Investigative	[2]

Doxycycline Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial 30S ribosomal RNA (Bact 30S rRNA)	TTOVFH2	NOUNIPROTAC	Modulator	[10]

Doxycycline Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[11]

Doxycycline Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[12]

Doxycycline Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Decreases Expression	[13]
Cytochrome P450 1B1 (CYP1B1)	OTYXFLSD	CP1B1_HUMAN	Increases Expression	[9]
Aryl hydrocarbon receptor (AHR)	OTFE4EYE	AHR_HUMAN	Increases Expression	[9]
HLA class I histocompatibility antigen, B alpha chain (HLA-B)	OTNXFWY2	HLAB_HUMAN	Affects Expression	[14]
72 kDa type IV collagenase (MMP2)	OT5NIWA2	MMP2_HUMAN	Decreases Activity	[15]
Stromelysin-1 (MMP3)	OTGBI74Z	MMP3_HUMAN	Decreases Activity	[15]
Neutrophil collagenase (MMP8)	OTZXH19L	MMP8_HUMAN	Decreases Activity	[15]
Collagenase 3 (MMP13)	OTY8BZIE	MMP13_HUMAN	Increases Expression	[16]
TAR DNA-binding protein 43 (TARDBP)	OTVOSFWW	TADBP_HUMAN	Decreases Expression	[17]

Indication(s) of Mefloquine

Disease Entry	ICD 11	Status	REF
Malaria	1F40-1F45	Approved	[5]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 2	[6]
Middle East Respiratory Syndrome (MERS)	1D64	Preclinical	[7]
Severe acute respiratory syndrome (SARS)	1D65	Preclinical	[7]
Progressive multifocal leukoencephalopathy	8A45.02	Investigative	[8]

Mefloquine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Plasmodium 80S ribosome (Malaria 80S)	TTT28H3	NOUNIPROTAC	Binder	[18]

Mefloquine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[19]

Mefloquine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[20]

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] Doxycycline FDA Label
• [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: 6464).
• [4] ClinicalTrials.gov (NCT00764361) Safety Study of Topical Doxycycline Gel for Adult Diabetic Lower Extremity Ulcers. U.S. National Institutes of Health.
• [5] FDA Approved Drug Products from FDA Official Website. 2019. Application Number: (NDA) 019578
• [6] ClinicalTrials.gov (NCT04347031) An Open Randomized Study of the Effectiveness of Mefloquine for the Treatment of Patients With COVID19. U.S. National Institutes of Health.
• [7] Repurposing of clinically developed drugs for treatment of Middle East respiratory syndrome coronavirus infection. Antimicrob Agents Chemother. 2014 Aug;58(8):4885-93.
• [8] Mefloquine FDA Label
• [9] Aryl hydrocarbon receptor protects lung adenocarcinoma cells against cigarette sidestream smoke particulates-induced oxidative stress. Toxicol Appl Pharmacol. 2012 Mar 15;259(3):293-301.
• [10] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [11] 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.
• [12] A further interaction study of quinine with clinically important drugs by human liver microsomes: determinations of inhibition constant (Ki) and type of inhibition. Eur J Drug Metab Pharmacokinet. 1999 Jul-Sep;24(3):272-8.
• [13] Functional and histochemical analysis of MDR3 P-glycoprotein in a tetracycline-controlled gene expression system. Eur J Med Res. 2000 Dec 29;5(12):517-22.
• [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] Synthesis and in vitro evaluation of targeted tetracycline derivatives: effects on inhibition of matrix metalloproteinases. Bioorg Med Chem. 2007 Mar 15;15(6):2368-74. doi: 10.1016/j.bmc.2007.01.026. Epub 2007 Jan 19.
• [16] 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.
• [17] A high-content screen identifies novel compounds that inhibit stress-induced TDP-43 cellular aggregation and associated cytotoxicity. J Biomol Screen. 2014 Jan;19(1):44-56. doi: 10.1177/1087057113501553. Epub 2013 Sep 9.
• [18] An ultrastructural study of the effects of mefloquine on malaria parasites. Am J Trop Med Hyg. 1987 Jan;36(1):9-14.
• [19] Polymorphisms in human MDR1 (P-glycoprotein): recent advances and clinical relevance. Clin Pharmacol Ther. 2004 Jan;75(1):13-33.
• [20] Effect of rifampin on plasma concentrations of mefloquine in healthy volunteers. J Pharm Pharmacol. 2000 Oct;52(10):1265-9.