Details of the Drug Combination

General Information of Drug Combination (ID: DCL7BK1)

• Drug Combination Name: Dihydroergotamine + IT-141
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Dihydroergotamine (DM5IKUF): Small molecular drug
  IT-141 (DMAYD7O): N.A.
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 4.99
  Bliss Independence Score: 4.99
  Loewe Additivity Score: 5.63
  LHighest Single Agent (HSA) Score: 5.63

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Dihydroergotamine

Disease Entry	ICD 11	Status	REF
Cluster headache	8A81.0	Approved	[2]
Migraine	8A80	Approved	[3]
Migraine disorder	N.A.	Approved	[2]

Dihydroergotamine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Dopamine D2 receptor (D2R)	TTEX248	DRD2_HUMAN	Agonist	[5]

Dihydroergotamine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]

Indication(s) of IT-141

Disease Entry	ICD 11	Status	REF
Solid tumour/cancer	2A00-2F9Z	Phase 1	[4]

IT-141 Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
DNA topoisomerase I (TOP1)	TTGTQHC	TOP1_HUMAN	Inhibitor	[4]

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] Dihydroergotamine FDA Label
• [3] Sustained pain relief with dihydroergotamine in migraine is potentially due to persistent binding to 5-HT1B and 5-HT1D receptors. . The Journal of Headache and Pain 201314(Suppl 1):P75.
• [4] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [5] Current and prospective pharmacological targets in relation to antimigraine action. Naunyn Schmiedebergs Arch Pharmacol. 2008 Oct;378(4):371-94.
• [6] CYP2D6 and CYP3A4 involvement in the primary oxidative metabolism of hydrocodone by human liver microsomes. Br J Clin Pharmacol. 2004 Mar;57(3):287-97.