Details of the Drug Combination

General Information of Drug Combination (ID: DC3ZSBN)

• Drug Combination Name: Sapanisertib + Clindamycin
• Indication: Hepatoblastoma; Status: Investigative [1]
• Component Drugs:
  Sapanisertib (DMYZFNH): Small molecular drug
  Clindamycin (DM15HL8): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: HB3
  Zero Interaction Potency (ZIP) Score: 7.411
  Bliss Independence Score: 7.507
  Loewe Additivity Score: 3.772
  LHighest Single Agent (HSA) Score: 6.82

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Sapanisertib

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Phase 2	[2]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Investigative	[3]

Sapanisertib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
HUMAN mammalian target of rapamycin (mTOR)	TT7HQAF	MTOR_HUMAN	Inhibitor	[3]

Indication(s) of Clindamycin

Disease Entry	ICD 11	Status	REF
Acne vulgaris	ED80	Approved	[4]
Aspiration pneumonia	N.A.	Approved	[5]
Bacteremia	1A73	Approved	[5]
Bacterial vaginosis	MF3A	Approved	[5]
Pleural empyema	N.A.	Approved	[5]
Staphylococcal pneumonia	N.A.	Approved	[5]
Staphylococcus aureus infection	N.A.	Approved	[5]
Streptococcal pneumonia	N.A.	Approved	[5]
Pelvic inflammatory disease	GA05	Investigative	[5]

Clindamycin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial 50S ribosomal RNA (Bact 50S rRNA)	TTUWYEA	NOUNIPROTAC	Binder	[6]

Clindamycin Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[7]
Beta-lactamase (blaB)	DEMSNER	A4LA84_EDWTA	Metabolism	[8]

Clindamycin Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Expression	[9]
HLA class II histocompatibility antigen, DRB1 beta chain (HLA-DRB1)	OTRGGIFP	DRB1_HUMAN	Affects Expression	[10]
HLA class I histocompatibility antigen, alpha chain E (HLA-E)	OTX1CTFB	HLAE_HUMAN	Affects Expression	[10]
Collagenase 3 (MMP13)	OTY8BZIE	MMP13_HUMAN	Increases Expression	[11]

References

• [1] Loss of function mutations in VARS encoding cytoplasmic valyl-tRNA synthetase cause microcephaly, seizures, and progressive cerebral atrophy.Hum Genet. 2018 Apr;137(4):293-303. doi: 10.1007/s00439-018-1882-3. Epub 2018 Apr 24.
• [2] ClinicalTrials.gov (NCT02049957) Safety and Efficacy Study of Sapanisertib in Combination With Exemestane or Fulvestrant in Postmenopausal Women With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Metastatic Breast Cancer. U.S. National Institutes of Health.
• [3] Prevent COVID-19 Severity by Repurposing mTOR Inhibitors. 2 April 2020
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] Clindamycin FDA Label
• [6] Structural basis for the interaction of antibiotics with the peptidyl transferase centre in eubacteria. Nature. 2001 Oct 25;413(6858):814-21.
• [7] In vitro metabolism of clindamycin in human liver and intestinal microsomes. Drug Metab Dispos. 2003 Jul;31(7):878-87.
• [8] Comparison of antimicrobial susceptibility, beta-lactamase production, plasmid analysis and serum bactericidal activity in Edwardsiella tarda, E. ictaluri and E. hoshinae. J Med Microbiol. 1993 Oct;39(4):273-81.
• [9] A comprehensive in vitro and in silico analysis of antibiotics that activate pregnane X receptor and induce CYP3A4 in liver and intestine. Drug Metab Dispos. 2008 Aug;36(8):1689-97.
• [10] Systems pharmacological analysis of drugs inducing stevens-johnson syndrome and toxic epidermal necrolysis. Chem Res Toxicol. 2015 May 18;28(5):927-34. doi: 10.1021/tx5005248. Epub 2015 Apr 3.
• [11] Chloramphenicol causes mitochondrial stress, decreases ATP biosynthesis, induces matrix metalloproteinase-13 expression, and solid-tumor cell invasion. Toxicol Sci. 2010 Jul;116(1):140-50. doi: 10.1093/toxsci/kfq085. Epub 2010 Mar 25.