Details of the Drug Combination

General Information of Drug Combination (ID: DCU2E1G)

• Drug Combination Name: Methylene blue + Nizatidine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Methylene blue (DMJAPE7): N.A.
  Nizatidine (DMGFV3Z): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 2.94
  Bliss Independence Score: 2.94
  Loewe Additivity Score: 3.44
  LHighest Single Agent (HSA) Score: 3.5

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Methylene blue

Disease Entry	ICD 11	Status	REF
Acquired methemoglobinemia	3A93	Approved	[2]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 2	[3]

Methylene blue Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Monoamine oxidase (MAO)	TT32XQJ	NOUNIPROTAC	.	[6]
Guanylate cyclase (GC)	TT6HPVC	NOUNIPROTAC	Inhibitor	[7]

Methylene blue Interacts with 1 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
6-phosphogluconate dehydrogenase, decarboxylating (PGD)	OTVG296F	6PGD_HUMAN	Increases Activity	[8]

Indication(s) of Nizatidine

Disease Entry	ICD 11	Status	REF
Acid-reflux disorder	DA22	Approved	[4]
Gastric ulcer	DA60	Approved	[5]
Peptic esophagitis	N.A.	Approved	[5]
Peptic ulcer	DA61	Approved	[5]

Nizatidine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Histamine H2 receptor (H2R)	TTQHJ1K	HRH2_HUMAN	Antagonist	[9]

Nizatidine Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[10]
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[11]

Nizatidine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Calcitonin (CALCA)	OTZ11LHB	CALC_HUMAN	Increases Expression	[12]
Protachykinin-1 (TAC1)	OTM842YW	TKN1_HUMAN	Increases Expression	[12]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [2] Recombinant Plasmodium falciparum glutathione reductase is inhibited by the antimalarial dye methylene blue. FEBS Lett. 1998 Feb 6;422(3):311-4.
• [3] ClinicalTrials.gov (NCT04370288) Clinical Application of Methylene Blue for Treatment of Covid-19 Patients. U.S. National Institutes of Health.
• [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: 7248).
• [5] Nizatidine FDA Label
• [6] Photoluminescence of CdTe nanocrystals modulated by methylene blue and DNA. A label-free luminescent signaling nanohybrid platform. Phys Chem Chem Phys. 2009 Jul 7;11(25):5062-9.
• [7] Curcumin ameliorates high glucose-induced acute vascular endothelial dysfunction in rat thoracic aorta. Clin Exp Pharmacol Physiol. 2009 Dec;36(12):1177-82.
• [8] Defenses against oxidation in human erythrocytes: role of glutathione reductase in the activation of glucose decarboxylation by hemolytic drugs. J Lab Clin Med. 1991 Apr;117(4):325-31.
• [9] Does the use of nizatidine, as a pro-kinetic agent, improve gastric emptying in patients post-oesophagectomy J Gastrointest Surg. 2009 Mar;13(3):432-7.
• [10] DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. (ID: DB00585)
• [11] Identification of novel substrates and structure-activity relationship of cellular uptake mediated by human organic cation transporters 1 and 2. J Med Chem. 2013 Sep 26;56(18):7232-42.
• [12] Effects of histamine H(2)-receptor antagonists on human plasma levels of calcitonin gene-related peptide, substance P and vasoactive intestinal peptide. J Pharm Pharmacol. 2002 Nov;54(11):1559-63. doi: 10.1211/002235702117.