General Information of Drug Combination (ID: DC4WU4F)

Drug Combination Name
Leuprolide Letrozole
Indication
Disease Entry Status REF
Metastatic Breast Cancer Phase 2 [1]
Component Drugs Leuprolide   DM5XPIJ Letrozole   DMH07Y3
Small molecular drug Small molecular drug
2D MOL 2D MOL
3D MOL 3D MOL

Molecular Interaction Atlas of This Drug Combination

Molecular Interaction Atlas (MIA)
Indication(s) of Leuprolide
Disease Entry ICD 11 Status REF
Plasma cell myeloma 2A83.1 Approved [2]
Prostate cancer 2C82.0 Approved [3]
Endometriosis GA10 Investigative [2]
Leuprolide Interacts with 1 DTT Molecule(s)
DTT Name DTT ID UniProt ID Mode of Action REF
Leutinizing-hormone-releasing hormone (GNRH1) TT0ID4A GON1_HUMAN Activator [6]
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Leuprolide Interacts with 2 DOT Molecule(s)
DOT Name DOT ID UniProt ID Mode of Action REF
Thyroxine-binding globulin (SERPINA7) OTUYVTSU THBG_HUMAN Increases ADR [7]
Protein bric-a-brac 2 (bab2) OTNNK0KI BAB2_DROME Increases ADR [7]
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Indication(s) of Letrozole
Disease Entry ICD 11 Status REF
Estrogen-receptor positive breast cancer N.A. Approved [4]
Hormonally-responsive breast cancer 2C60-2C65 Approved [5]
Letrozole Interacts with 1 DTT Molecule(s)
DTT Name DTT ID UniProt ID Mode of Action REF
Aromatase (CYP19A1) TTSZLWK CP19A_HUMAN Inhibitor [8]
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Letrozole Interacts with 3 DME Molecule(s)
DME Name DME ID UniProt ID Mode of Action REF
Cytochrome P450 3A4 (CYP3A4) DE4LYSA CP3A4_HUMAN Metabolism [9]
Aromatase (CYP19A1) DEQX145 CP19A_HUMAN Metabolism [10]
Cytochrome P450 2A6 (CYP2A6) DEJVYAZ CP2A6_HUMAN Metabolism [11]
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Letrozole Interacts with 7 DOT Molecule(s)
DOT Name DOT ID UniProt ID Mode of Action REF
Adenylate kinase isoenzyme 1 (AK1) OT614AR3 KAD1_HUMAN Increases ADR [7]
Follitropin subunit beta (FSHB) OTGLS283 FSHB_HUMAN Increases Expression [12]
Lutropin subunit beta (LHB) OT5GBOVJ LSHB_HUMAN Increases Expression [12]
G1/S-specific cyclin-D2 (CCND2) OTDULQF9 CCND2_HUMAN Decreases Expression [13]
Cyclin-dependent kinase inhibitor 1 (CDKN1A) OTQWHCZE CDN1A_HUMAN Increases Expression [14]
Small ribosomal subunit protein eS6 (RPS6) OTT4D1LN RS6_HUMAN Decreases Phosphorylation [13]
Fibroblast growth factor 22 (FGF22) OTVIX6J0 FGF22_HUMAN Increases Expression [15]
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⏷ Show the Full List of 7 DOT(s)

Test Results of This Drug Combination in Other Disease Systems

Indication DrugCom ID Cell Line Status REF
Breast Cancer DCB32SG N. A. Phase 2 [16]
Endometrial Neoplasms DC4JITU N. A. Phase 2 [17]
Breast Cancer DCJE91Y N. A. Phase 2 [18]
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References

1 ClinicalTrials.gov (NCT02344550) Study of GnRH-A [Leuprorelin(Lorelin Depot] Plus Leterozole +/- Everolimus for Premenopausal Women With Metastatic Breast Cancer
2 Leuprolide FDA Label
3 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: 1175).
4 Letrozole 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: 5209).
6 Increased risk of metabolic syndrome, diabetes mellitus, and cardiovascular disease in men receiving androgen deprivation therapy for prostate cancer. Pharmacotherapy. 2008 Dec;28(12):1511-22.
7 ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
8 Aromatase inhibitors--theoretical concept and present experiences in the treatment of endometriosis. Zentralbl Gynakol. 2003 Jul-Aug;125(7-8):247-51.
9 Inhibition of drug metabolizing cytochrome P450s by the aromatase inhibitor drug letrozole and its major oxidative metabolite 4,4'-methanol-bisbenzonitrile in vitro. Cancer Chemother Pharmacol. 2009 Oct;64(5):867-75.
10 Double-blind, randomised, multicentre endocrine trial comparing two letrozole doses, in postmenopausal breast cancer patients. Eur J Cancer. 1999 Feb;35(2):208-13.
11 Letrozole concentration is associated with CYP2A6 variation but not with arthralgia in patients with breast cancer. Breast Cancer Res Treat. 2018 Nov;172(2):371-379.
12 Aromatase inhibition, testosterone, and seizures. Epilepsy Behav. 2004 Apr;5(2):260-3. doi: 10.1016/j.yebeh.2003.12.001.
13 Dual inhibition of mTOR and estrogen receptor signaling in vitro induces cell death in models of breast cancer. Clin Cancer Res. 2005 Jul 15;11(14):5319-28. doi: 10.1158/1078-0432.CCR-04-2402.
14 Synergistic activity of letrozole and sorafenib on breast cancer cells. Breast Cancer Res Treat. 2010 Nov;124(1):79-88. doi: 10.1007/s10549-009-0714-5. Epub 2010 Jan 7.
15 Clomiphene citrate versus letrozole: molecular analysis of the endometrium in women with polycystic ovary syndrome. Fertil Steril. 2011 Oct;96(4):1051-6. doi: 10.1016/j.fertnstert.2011.07.1092.
16 ClinicalTrials.gov (NCT00903162) Extended Endocrine Therapy for Premenopausal Women With Breast Cancer
17 ClinicalTrials.gov (NCT05316935) GnRHa + Letrozole in Non-obese Progestin-insensitive Endometrial Cancer and Atypical Hyperplasia Patients
18 ClinicalTrials.gov (NCT03900637) PersonaLized neoAdjuvant Strategy ER Positive and HER2 Negative Breast Cancer TO Increase BCS Rate