Details of the Drug Combination

General Information of Drug Combination (ID: DCOI4EP)

• Drug Combination Name: Celecoxib + Eflornithine
• Indication: Colorectal Cancer; Status: Phase 1 [1]
• Component Drugs:
  Celecoxib (DM6LOQU): Small molecular drug
  Eflornithine (DMJOQM3): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Celecoxib

Disease Entry	ICD 11	Status	REF
Dysmenorrhea	GA34.3	Approved	[2]
Lung cancer	2C25.0	Approved	[2]
Osteoarthritis	FA00-FA05	Approved	[2]
Rheumatoid arthritis	FA20	Approved	[3]
Pain	MG30-MG3Z	Phase 3	[3]
Colon cancer	2B90.Z	Investigative	[2]
Familial adenomatous polyposis	2B90.Y	Investigative	[2]
Precancerous condition	N.A.	Investigative	[2]

Celecoxib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Prostaglandin G/H synthase 2 (COX-2)	TTVKILB	PGH2_HUMAN	Inhibitor	[7]

Celecoxib Interacts with 5 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]
Sulfotransferase 1A1 (SULT1A1)	DEYWLRK	ST1A1_HUMAN	Metabolism	[9]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[10]
Cytochrome P450 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[11]
Cytochrome P450 2C9 (CYP2C9)	DE5IED8	CP2C9_HUMAN	Metabolism	[12]

Indication(s) of Eflornithine

Disease Entry	ICD 11	Status	REF
African trypanosomiasis	1F51	Approved	[4]
Trypanosomiasis	1D51-1F53	Phase 2	[5]
Colon cancer	2B90.Z	Investigative	[6]
Familial adenomatous polyposis	2B90.Y	Investigative	[6]

Eflornithine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Ornithine decarboxylase (ODC1)	TTUMGNO	DCOR_HUMAN	Inhibitor	[13]

References

• [1] ClinicalTrials.gov (NCT00033371) Celecoxib With or Without Eflornithine in Preventing Colorectal Cancer in Patients With Familial Adenomatous Polyposis
• [2] Celecoxib 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: 2892).
• [4] 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: 5176).
• [5] ClinicalTrials.gov (NCT01636128) Urinary Biomarker Study With Sulindac and Difluoromethylornithine. U.S. National Institutes of Health.
• [6] Eflornithine FDA Label
• [7] Pfizer. Product Development Pipeline. March 31 2009.
• [8] Major role of human liver microsomal cytochrome P450 2C9 (CYP2C9) in the oxidative metabolism of celecoxib, a novel cyclooxygenase-II inhibitor. J Pharmacol Exp Ther. 2000 May;293(2):453-9.
• [9] Sulfonation of 17beta-estradiol and inhibition of sulfotransferase activity by polychlorobiphenylols and celecoxib in channel catfish, Ictalurus punctatus. Aquat Toxicol. 2007 Mar 10;81(3):286-92.
• [10] Celecoxib is a substrate of CYP2D6: impact on celecoxib metabolism in individuals with CYP2C9*3 variants. Drug Metab Pharmacokinet. 2018 Oct;33(5):219-227.
• [11] Cytochrome P450 2C8 pharmacogenetics: a review of clinical studies. Pharmacogenomics. 2009 Sep;10(9):1489-510.
• [12] Drug interactions in dentistry: the importance of knowing your CYPs. J Am Dent Assoc. 2004 Mar;135(3):298-311.
• [13] Plasmodium falciparum and Plasmodium berghei: effects of ornithine decarboxylase inhibitors on erythrocytic schizogony. Exp Parasitol. 1987 Oct;64(2):237-43.