Details of the Drug Combination

General Information of Drug Combination (ID: DCM00AS)

• Drug Combination Name: Vemurafenib + Dabrafenib
• Indication: Metastatic Melanoma (Carrying BRAF V600 Mutation); Status: Phase 2 [1]
• Component Drugs:
  Vemurafenib (DM62UG5): Small molecular drug
  Dabrafenib (DMX6OE3): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Vemurafenib

Disease Entry	ICD 11	Status	REF
Melanoma	2C30	Approved	[2]

Vemurafenib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase B-raf (BRAF)	TTWCGQT	BRAF_HUMAN	Modulator	[6]

Vemurafenib Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[7]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[8]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[8]

Vemurafenib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[9]

Vemurafenib Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Microphthalmia-associated transcription factor (MITF)	OT6XJCZH	MITF_HUMAN	Affects Expression	[4]
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[10]
C-C motif chemokine 2 (CCL2)	OTAD2HEL	CCL2_HUMAN	Increases Expression	[11]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[5]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[5]
CD70 antigen (CD70)	OTHB2AL1	CD70_HUMAN	Decreases Expression	[12]
Melanocyte protein PMEL (PMEL)	OTCDDHHM	PMEL_HUMAN	Increases Expression	[4]
Melanoma antigen recognized by T-cells 1 (MLANA)	OT1N2S2K	MAR1_HUMAN	Increases Expression	[4]

Indication(s) of Dabrafenib

Disease Entry	ICD 11	Status	REF
Melanoma	2C30	Approved	[3]

Dabrafenib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase B-raf (BRAF)	TTWCGQT	BRAF_HUMAN	Inhibitor	[13]

Dabrafenib Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[14]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[14]

Dabrafenib Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[15]
Cytochrome P450 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[16]

Dabrafenib Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Broad substrate specificity ATP-binding cassette transporter ABCG2 (ABCG2)	OTW8V2V1	ABCG2_HUMAN	Increases Expression	[17]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Increases Phosphorylation	[18]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Increases Phosphorylation	[18]
Cytochrome P450 2C19 (CYP2C19)	OTFMJYYE	CP2CJ_HUMAN	Decreases Activity	[17]

References

• [1] ClinicalTrials.gov (NCT02052193) Evaluation of Photosensitivity in Dabrafenib or Vemurafenib Treated Metastatic Melanoma Patients - a Phase IIa/IIb Study
• [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: 5893).
• [3] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [4] PLX4032 Mediated Melanoma Associated Antigen Potentiation in Patient Derived Primary Melanoma Cells. J Cancer. 2015 Oct 29;6(12):1320-30. doi: 10.7150/jca.11126. eCollection 2015.
• [5] Actin remodeling confers BRAF inhibitor resistance to melanoma cells through YAP/TAZ activation. EMBO J. 2016 Mar 1;35(5):462-78. doi: 10.15252/embj.201592081. Epub 2015 Dec 14.
• [6] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [7] Differential effects of the oncogenic BRAF inhibitor PLX4032 (vemurafenib) and its progenitor PLX4720 on ABCB1 function. J Pharm Pharm Sci. 2014;17(1):154-68.
• [8] Contribution of OATP1B1 and OATP1B3 to the disposition of sorafenib and sorafenib-glucuronide. Clin Cancer Res. 2013 Mar 15;19(6):1458-66.
• [9] Vemurafenib for the treatment of melanoma. Expert Opin Pharmacother. 2012 Dec;13(17):2533-43.
• [10] Perturbation biology nominates upstream-downstream drug combinations in RAF inhibitor resistant melanoma cells. Elife. 2015 Aug 18;4:e04640. doi: 10.7554/eLife.04640.
• [11] Overcoming melanoma resistance to vemurafenib by targeting CCL2-induced miR-34a, miR-100 and miR-125b. Oncotarget. 2016 Jan 26;7(4):4428-41. doi: 10.18632/oncotarget.6599.
• [12] Melanoma Expressed-CD70 Is Regulated by RhoA and MAPK Pathways without Affecting Vemurafenib Treatment Activity. PLoS One. 2016 Feb 1;11(2):e0148095. doi: 10.1371/journal.pone.0148095. eCollection 2016.
• [13] Clinical pipeline report, company report or official report of GlaxoSmithKline (2011).
• [14] Mechanisms limiting distribution of the threonine-protein kinase B-RaF(V600E) inhibitor dabrafenib to the brain: implications for the treatment of melanoma brain metastases. J Pharmacol Exp Ther. 2013 Mar;344(3):655-64.
• [15] Physiologically based pharmacokinetic modeling to identify physiological and molecular characteristics driving variability in drug exposure. Clin Pharmacol Ther. 2018 Dec;104(6):1219-1228.
• [16] Role of cytochrome P450 2C8 in drug metabolism and interactions. Pharmacol Rev. 2016 Jan;68(1):168-241.
• [17] Dabrafenib inhibits ABCG2 and cytochrome P450 isoenzymes; potential implications for combination anticancer therapy. Toxicol Appl Pharmacol. 2022 Jan 1;434:115797. doi: 10.1016/j.taap.2021.115797. Epub 2021 Nov 13.
• [18] Combined SRPK and AKT pharmacological inhibition is synergistic in T-cell acute lymphoblastic leukemia cells. Toxicol In Vitro. 2020 Jun;65:104777. doi: 10.1016/j.tiv.2020.104777. Epub 2020 Jan 18.