Biological Activity
Lefamulin acetate (BC-3781 acetate) is an orally active antibiotic for community-acquired bacterial pneumonia (CABP) treatment. Lefamulin acetate (BC-3781 acetate) is the first semi-synthetic pleuromutilin for systemic treatment of bacterial infections in humans. Lefamulin acetate (BC-3781 acetate) inhibits protein synthesis by binding to the peptidyl transferase center of the 50S bacterial ribosome, preventing the binding of transfer RNA for peptide transfer[1].
In Vitro
Lefamulin acetate (BC-3781 acetate) has activity against the resistant gram-postive organisms, including taphylococcus aureus (MRSA) (MIC50=0.12 μg/ml; MIC90=0.25 μg/ml); β-Hemolytic strepococcus (MIC50=0.03 μg/ml; MIC90=0.03 μg/ml); Viridans group Streptococcus (MIC50=0.12 μg/ml; MIC90=0.5 μg/ml), Enterocossus faecium (MIC50=0.12 μg/ml; MIC90=4 μg/ml), Streptococcus pneumonia (MIC50=0.12 μg/ml; MIC90=0.25 μg/ml)[1]. Lefamulin has activity against gram-negative organisms, including Haemophilus influenza (MIC50=1 μg/ml; MIC90=0.12 μg/ml) and Moraxella cotarrhali (MIC50=2 μg/ml; MIC90=0.25 μg/ml)[1].
In Vivo
No in vivo data are provided in the current product source. Contact us for further information.
References & source
[1]. Veve MP, et al. Lefamulin: Review of a Promising Novel Pleuromutilin Antibiotic. Pharmacotherapy. 2018 Sep;38(9):935-946. doi: 10.1002/phar.2166. Epub 2018 Aug 20.
Published experimental findings depend on the model and assay conditions. They do not guarantee equivalent performance in every application. For laboratory research use only.