lefamulin 🐶 Veterinary Use | Indications/Contra | FAERs-F | FAERs-M | Orange Bk | PK/Tox | Related Drugs | BioActivity |

Stem definitionDrug idCAS RN
antibacterials, pleuromulin derivatives 5348 1061337-51-6

Description:

MoleculeDescription

Molfile Inchi Smiles

Synonyms:

  • lefamulin
  • lefamulin acetate
  • BC-3781
  • xenleta
XENLETA is a semi-synthetic antibacterial agent for oral and intravenous administration. Lefamulin inhibits bacterial protein synthesis through interactions (hydrogen bonds, hydrophobic interactions, and Van der Waals forces) with the A- and P-sites of the peptidyl transferase center (PTC) in domain V of the 23s rRNA of the 50S subunit. The binding pocket of the bacterial ribosome closes around the mutilin core for an induced fit that prevents correct positioning of tRNA.
  • Molecular weight: 507.73
  • Formula: C28H45NO5S
  • CLOGP: 3.74
  • LIPINSKI: 1
  • HAC: 6
  • HDO: 3
  • TPSA: 109.85
  • ALOGS: -5.01
  • ROTB: 6

  • Status: ONP

  • Legend:
    OFP - off patent
    OFM - off market
    ONP - on patent

Drug dosage:

None

ADMET properties:

PropertyValueReference
Vd (Volume of distribution) 1.32 L/kg Lombardo F, Berellini G, Obach RS
CL (Clearance) 3.96 mL/min/kg Lombardo F, Berellini G, Obach RS
fu (Fraction unbound in plasma) 0.17 % Lombardo F, Berellini G, Obach RS
t_half (Half-life) 6.40 hours Lombardo F, Berellini G, Obach RS
BDDCS (Biopharmaceutical Drug Disposition Classification System) 1 Bocci G, Oprea TI, Benet LZ
BA (Bioavailability) 21 %

Predicted pharmacokinetic/toxicological properties (PK-AZ):

PropertyDescriptionValueUnitConfidenceSimilarity
kinase-safety-class ACVR2B,AXL,BRAF,BTK,CAMK2B,CAMK2D,CDK4,CDK5,CDK9,DYRK1B,EIF2AK3,EPHB4,ERBB2,GRK2,ITK,JAK3,MAP2K6,MAP3K7,MAPK10,MAPK7,NTRK2,PDK1,PDK2,PDK4,PIK3CB,PIM2,PRKDC,STK33,SYK,TEK,TGFBR1,ZAP70 32
kinase-selectivity-class EIF2AK3 1
pfas-class PFAS structural alert (1 = True, 0 = False) 0

Approvals:

DateAgencyCompanyOrphan
Aug. 19, 2019 FDA NABRIVA

FDA Adverse Event Reporting System (Female)

None

FDA Adverse Event Reporting System (Male)

None

FDA Adverse Event Reporting System (Geriatric)

None

FDA Adverse Event Reporting System (Pediatric)

None

Pharmacologic Action:

SourceCodeDescription
ATC J01XX12 ANTIINFECTIVES FOR SYSTEMIC USE
ANTIBACTERIALS FOR SYSTEMIC USE
OTHER ANTIBACTERIALS
Other antibacterials
MeSH PA D000890 Anti-Infective Agents
MeSH PA D000900 Anti-Bacterial Agents
FDA CS M0006609 Diterpenes
FDA EPC N0000175434 Pleuromutilin Antibacterial
FDA MoA N0000182141 Cytochrome P450 3A4 Inhibitors
FDA MoA N0000190114 Cytochrome P450 3A Inhibitors
CHEBI has role CHEBI:33281 antimicrobial agent
CHEBI has role CHEBI:33282 antibacterial agent

Related Drugs by ATC class:

J01XX Other antibacterials 12 drugs

Drug Use | Suggest Off label Use Form| |View source of the data|

DiseaseRelationSNOMED_IDDOID
Pneumonia due to Streptococcus indication 34020007
Pneumonia due to Mycoplasma pneumoniae indication 46970008
Bacterial pneumonia indication 53084003 DOID:874
Haemophilus influenzae pneumonia indication 70036007
Legionella pneumonia indication 195889001
Pneumonia due to Staphylococcus aureus indication 441658007
Pneumonia caused by Chlamydia pneumoniae indication 724498004
Bronchopneumonia due to Haemophilus influenzae indication 10625231000119106




🐶 Veterinary Drug Use

None

🐶 Veterinary products

None

Acid dissociation constants calculated using MoKa v3.0.0

Dissociation levelDissociation constantType (acidic/basic)
pKa1 10.21 Basic

Orange Book patent data (new drug applications)

None

Orange Book exclusivity data (new drug applications)

Formulation strengthTrade nameApplicantApplication numberApproval dateTypeDose formRouteExclusivity dateDescription
EQ 600MG BASE XENLETA HONG KONG N211672 Aug. 19, 2019 RX TABLET ORAL Aug. 19, 2024 NEW CHEMICAL ENTITY
EQ 150MG BASE/15ML (EQ 10MG BASE/ML) XENLETA HONG KONG N211673 Aug. 19, 2019 RX SOLUTION INTRAVENOUS Aug. 19, 2024 NEW CHEMICAL ENTITY
EQ 600MG BASE XENLETA HONG KONG N211672 Aug. 19, 2019 RX TABLET ORAL Aug. 19, 2029 GENERATING ANTIBIOTIC INCENTIVES NOW
EQ 150MG BASE/15ML (EQ 10MG BASE/ML) XENLETA HONG KONG N211673 Aug. 19, 2019 RX SOLUTION INTRAVENOUS Aug. 19, 2029 GENERATING ANTIBIOTIC INCENTIVES NOW

Bioactivity Summary:

TargetClassPharosUniProtActionTypeActivity value
(-log[M])
Mechanism
action
Bioact sourceMoA source
Multidrug resistance protein 1 Transporter IC50 4.47 CHEMBL

External reference:

IDSource
21904A5386 UNII
1350636-82-6 SECONDARY_CAS_RN
4038663 VANDF
C4482908 UMLSCUI
CHEBI:755252 CHEBI
62B PDB_CHEM_ID
CHEMBL3291398 ChEMBL_ID
58076382 PUBCHEM_CID
DB12825 DRUGBANK_ID
CHEMBL3545309 ChEMBL_ID
D11631 KEGG_DRUG
9849 INN_ID
C000591018 MESH_SUPPLEMENTAL_RECORD_UI
10824 IUPHAR_LIGAND_ID
789396009 SNOMEDCT_US
789501006 SNOMEDCT_US
321702 MMSL
37323 MMSL
d09356 MMSL
018094 NDDF
018095 NDDF
2198943 RXNORM

Pharmaceutical products:

ProductCategoryIngredientsNDCFormQuantityRouteMarketingLabel
Xenleta HUMAN PRESCRIPTION DRUG LABEL 1 71288-037 TABLET, COATED 600 mg ORAL NDA 27 sections
Xenleta HUMAN PRESCRIPTION DRUG LABEL 1 71288-039 INJECTION, SOLUTION 150 mg INTRAVENOUS NDA 27 sections
Xenleta HUMAN PRESCRIPTION DRUG LABEL 1 72000-110 TABLET, COATED 600 mg ORAL NDA 27 sections
Xenleta HUMAN PRESCRIPTION DRUG LABEL 1 72000-120 INJECTION, SOLUTION 150 mg INTRAVENOUS NDA 27 sections