Details of the Drug Combination

General Information of Drug Combination (ID: DCFC49D)

• Drug Combination Name: Idelalisib + Fludarabine
• Indication: Indolent Non-Hodgkin's Lymphoma; Status: Phase 1 [1]
• Component Drugs:
  Idelalisib (DM602WT): Small molecular drug
  Fludarabine (DMVRLT7): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Idelalisib

Disease Entry	ICD 11	Status	REF
Chronic lymphocytic leukaemia	2A82.0	Approved	[2]
Small lymphocytic lymphoma	2A82.0	Approved	[3]
Follicular lymphoma	2A80	Investigative	[3]

Idelalisib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
PI3-kinase delta (PIK3CD)	TTGBPJE	PK3CD_HUMAN	Inhibitor	[6]

Idelalisib Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[7]

Idelalisib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]

Idelalisib Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Tumor necrosis factor receptor superfamily member 6 (FAS)	OTP9XG86	TNR6_HUMAN	Affects Response To Substance	[9]
Phosphoinositide-3-kinase-interacting protein 1 (PIK3IP1)	OTWE5G4T	P3IP1_HUMAN	Increases Expression	[10]

Indication(s) of Fludarabine

Disease Entry	ICD 11	Status	REF
Acute myelogenous leukaemia	2A41	Approved	[4]
Cutaneous melanoma	2C30	Approved	[4]
Haematological malignancy	2B33.Y	Approved	[5]
Hematologic disease	3C0Z	Approved	[4]
Hepatosplenic T-cell lymphoma	N.A.	Approved	[4]
Immunodeficiency	4A00-4A85	Approved	[4]
Large granular lymphocytic leukemia	2A90.1	Approved	[4]
Lung cancer	2C25.0	Approved	[4]
MALT lymphoma	N.A.	Approved	[4]
Multiple sclerosis	8A40	Approved	[4]
Myeloproliferative neoplasm	2A20	Approved	[4]
Nodal marginal zone lymphoma	2A85.0	Approved	[4]
Primary cutaneous peripheral T-cell lymphoma not otherwise specified	N.A.	Approved	[4]
Recurrent adult burkitt lymphoma	2A85.6	Approved	[4]
Small intestine lymphoma	N.A.	Approved	[4]
Splenic marginal zone lymphoma	N.A.	Approved	[4]
Systemic lupus erythematosus	4A40.0	Approved	[4]
Systemic sclerosis	4A42	Approved	[4]
Testicular lymphoma	N.A.	Approved	[4]
Classic Hodgkin lymphoma	N.A.	Investigative	[4]
Colon cancer	2B90.Z	Investigative	[4]
Gastric cancer	2B72	Investigative	[4]
Neuroblastoma	2D11.2	Investigative	[4]

Fludarabine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Adenosine deaminase (ADA)	TTLP57V	ADA_HUMAN	Inhibitor	[14]

Fludarabine Interacts with 10 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Tumor necrosis factor receptor superfamily member 10A (TNFRSF10A)	OTBPCU2O	TR10A_HUMAN	Affects Expression	[15]
Tumor necrosis factor receptor superfamily member 10B (TNFRSF10B)	OTA1CPBV	TR10B_HUMAN	Increases Expression	[16]
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Expression	[11]
Tumor necrosis factor receptor superfamily member 6 (FAS)	OTP9XG86	TNR6_HUMAN	Increases Expression	[17]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[12]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[12]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[18]
Phosphatidylinositol 3,4,5-trisphosphate 3-phosphatase and dual-specificity protein phosphatase PTEN (PTEN)	OTOWDUNT	PTEN_HUMAN	Increases Expression	[19]
Bcl-2-like protein 1 (BCL2L1)	OTRC5K9O	B2CL1_HUMAN	Decreases Expression	[20]
Bcl-2-binding component 3, isoforms 3/4 (BBC3)	OTUAXDAY	BBC3B_HUMAN	Increases Expression	[13]

References

• [1] ClinicalTrials.gov (NCT01088048) Study to Investigate Idelalisib in Combination With Chemotherapeutic Agents, Immunomodulatory Agents and Anti-CD20 Monoclonal Antibody (mAb) in Participants With Relapsed or Refractory Indolent B-cell Non-Hodgkin's Lymphoma, Mantle Cell Lymphoma or Chronic Lymphocytic Leukemia
• [2] 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: 6741).
• [3] Idelalisib FDA Label
• [4] Fludarabine FDA Label
• [5] 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: 4802).
• [6] 2014 FDA drug approvals. Nat Rev Drug Discov. 2015 Feb;14(2):77-81.
• [7] DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. (ID: DB09054)
• [8] FDA label of Idelalisib. The 2020 official website of the U.S. Food and Drug Administration.
• [9] PI3K/AKT inhibitors aggravate death receptor-mediated hepatocyte apoptosis and liver injury. Toxicol Appl Pharmacol. 2019 Oct 15;381:114729. doi: 10.1016/j.taap.2019.114729. Epub 2019 Aug 22.
• [10] Induction of prolonged early G1 arrest by CDK4/CDK6 inhibition reprograms lymphoma cells for durable PI3K inhibition through PIK3IP1. Cell Cycle. 2013 Jun 15;12(12):1892-900. doi: 10.4161/cc.24928. Epub 2013 May 15.
• [11] Role of histone deacetylase inhibitor-induced reactive oxygen species and DNA damage in LAQ-824/fludarabine antileukemic interactions. Mol Cancer Ther. 2008 Oct;7(10):3285-97. doi: 10.1158/1535-7163.MCT-08-0385.
• [12] 9-beta-D-arabinofuranosyl-2-fluoroadenine inhibits expression of vascular endothelial growth factor through hypoxia-inducible factor-1 in human ovarian cancer cells. Mol Pharmacol. 2004 Jul;66(1):178-86. doi: 10.1124/mol.66.1.178.
• [13] MDM2 antagonists activate p53 and synergize with genotoxic drugs in B-cell chronic lymphocytic leukemia cells. Blood. 2006 May 15;107(10):4109-14. doi: 10.1182/blood-2005-08-3273. Epub 2006 Jan 26.
• [14] Purine nucleoside analogs in indolent non-Hodgkin's lymphoma. Oncology (Williston Park). 2000 Jun;14(6 Suppl 2):13-5.
• [15] Role of the TRAIL/APO2-L death receptors in chlorambucil- and fludarabine-induced apoptosis in chronic lymphocytic leukemia. Oncogene. 2003 Nov 13;22(51):8356-69. doi: 10.1038/sj.onc.1207004.
• [16] Differential effects of chemotherapeutic drugs versus the MDM-2 antagonist nutlin-3 on cell cycle progression and induction of apoptosis in SKW6.4 lymphoblastoid B-cells. J Cell Biochem. 2008 May 15;104(2):595-605. doi: 10.1002/jcb.21649.
• [17] Caspase 8 activation independent of Fas (CD95/APO-1) signaling may mediate killing of B-chronic lymphocytic leukemia cells by cytotoxic drugs or gamma radiation. Blood. 2001 Nov 1;98(9):2800-7. doi: 10.1182/blood.v98.9.2800.
• [18] Functional integrity of the p53-mediated apoptotic pathway induced by the nongenotoxic agent nutlin-3 in B-cell chronic lymphocytic leukemia (B-CLL). Blood. 2006 May 15;107(10):4122-9. doi: 10.1182/blood-2005-11-4465. Epub 2006 Jan 26.
• [19] Comparative effects of retinoic acid, vitamin D and resveratrol alone and in combination with adenosine analogues on methylation and expression of phosphatase and tensin homologue tumour suppressor gene in breast cancer cells. Br J Nutr. 2012 Mar;107(6):781-90. doi: 10.1017/S0007114511003631. Epub 2011 Aug 1.
• [20] Matrix metalloproteinase-9 is involved in chronic lymphocytic leukemia cell response to fludarabine and arsenic trioxide. PLoS One. 2014 Jun 23;9(6):e99993. doi: 10.1371/journal.pone.0099993. eCollection 2014.