Details of the Drug Combination

General Information of Drug Combination (ID: DCFV208)

• Drug Combination Name: Idelalisib + GS-9973
• Indication: Chronic Lymphocytic Leukemia; Status: Phase 1 [1]
• Component Drugs:
  Idelalisib (DM602WT): Small molecular drug: 3D MOL is unavailable
  GS-9973 (DMKWCTR): Small molecular drug: 3D MOL is unavailable

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 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Tumor necrosis factor (TNF)	OT4IE164	TNFA_HUMAN	Increases Response To Substance	[9]
Matrix metalloproteinase-9 (MMP9)	OTB2QDAV	MMP9_HUMAN	Decreases Expression	[10]
Tumor necrosis factor receptor superfamily member 6 (FAS)	OTP9XG86	TNR6_HUMAN	Affects Response To Substance	[9]
RAC-alpha serine/threonine-protein kinase (AKT1)	OT8H2YY7	AKT1_HUMAN	Decreases Phosphorylation	[11]
Hypoxia-inducible factor 1-alpha (HIF1A)	OTADSC03	HIF1A_HUMAN	Increases Expression	[10]
Phosphoinositide-3-kinase-interacting protein 1 (PIK3IP1)	OTWE5G4T	P3IP1_HUMAN	Increases Expression	[11]
RNA cytidine acetyltransferase (NAT10)	OT6JQO26	NAT10_HUMAN	Increases Expression	[12]

Indication(s) of GS-9973

Disease Entry	ICD 11	Status	REF
Acute myeloid leukaemia	2A60	Phase 2	[4]
B-cell lymphoma	2A86	Phase 2	[5]
Haematological malignancy	2B33.Y	Phase 2	[4]

GS-9973 Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Tyrosine-protein kinase SYK (SYK)	TTOU65C	KSYK_HUMAN	Modulator	[13]

References

• [1] ClinicalTrials.gov (NCT01796470) Entospletinib in Combination With Idelalisib in Adults With Relapsed or Refractory Hematologic Malignancies
• [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] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [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: 7889).
• [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] Roles of pulmonary telocytes in airway epithelia to benefit experimental acute lung injury through production of telocyte-driven mediators and exosomes. Cell Biol Toxicol. 2023 Apr;39(2):451-465. doi: 10.1007/s10565-021-09670-5. Epub 2022 Jan 3.
• [11] 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.
• [12] Regulatory roles of NAT10 in airway epithelial cell function and metabolism in pathological conditions. Cell Biol Toxicol. 2023 Aug;39(4):1237-1256. doi: 10.1007/s10565-022-09743-z. Epub 2022 Jul 25.
• [13] An open-label phase 2 trial of entospletinib (GS-9973), a selective spleen tyrosine kinase inhibitor, in chronic lymphocytic leukemia. Blood. 2015 Apr 9;125(15):2336-43.