Details of the Drug Combination

General Information of Drug Combination (ID: DC1B8ST)

• Drug Combination Name: Methylene blue + Linagliptin
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Methylene blue (DMJAPE7): N.A.
  Linagliptin (DMWFJTR): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 5.13
  Bliss Independence Score: 5.13
  Loewe Additivity Score: 5.71
  LHighest Single Agent (HSA) Score: 5.71

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	.	[8]
Guanylate cyclase (GC)	TT6HPVC	NOUNIPROTAC	Inhibitor	[9]

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	[10]

Indication(s) of Linagliptin

Disease Entry	ICD 11	Status	REF
Non-insulin dependent diabetes	5A11	Approved	[4]
Type 2 diabetes	5A11	Approved	[5]
Type-2 diabetes	5A11	Approved	[6]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 3	[7]

Linagliptin Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Dipeptidyl peptidase 4 (DPP-4)	TTDIGC1	DPP4_HUMAN	Inhibitor	[11]
HUMAN dipeptidyl peptidase 4 (DPP-4)	TTF928K	DPP4_HUMAN	Inhibitor	[12]

Linagliptin Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[13]

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] Linagliptin FDA Label
• [5] FDA Approved Drug Products from FDA Official Website. 2019. Application Number: (NDA) 208026
• [6] 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: 6318).
• [7] ClinicalTrials.gov (NCT04371978) Efficacy and Safety of Dipeptidyl Peptidase-4 Inhibitors in Diabetic Patients With Established COVID-19. U.S. National Institutes of Health.
• [8] 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.
• [9] Curcumin ameliorates high glucose-induced acute vascular endothelial dysfunction in rat thoracic aorta. Clin Exp Pharmacol Physiol. 2009 Dec;36(12):1177-82.
• [10] 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.
• [11] Boehringer Ingelheim. Product Development Pipeline. June 2 2009.
• [12] DPP4 inhibition: preventing SARS-CoV-2 infection and/or progression of COVID-19 Diabetes Metab Res Rev. 2020 Apr 26.
• [13] Tarascon Pocket Pharmacopoeia 2018 Classic Shirt-Pocket Edition.