Dalbavancin CAS NO 171500-79-1 Inquire about Dalbavancin

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What is Dalbavancin?Dalbavancin

Dalbavancin (trade name Dalvance) is a novel second-generation lipoglycopeptide antibiotic. It belongs to the same class as vancomycin, the most widely used and one of the few treatments available to patients infected with methicillin-resistant Staphylococcus aureus (MRSA).

Dalbavancin is a semisynthetic lipoglycopeptide that was designed to improve upon the natural glycopeptides currently available, vancomycin and teicoplanin.

It possesses in vitro activity against a variety of Gram-positive pathogens including MRSA and methicillin-resistantStaphylococcus epidermidis (MRSE). It is a once-weekly, two-dose antibiotic, the rights to which Actavis acquired when it bought Durata Therapeutics in 2014.

The Food and Drug Administration approved dalbavancin in May 2014 for the treatment of acute bacterial skin and skin structure infections (ABSSSIs) caused by certain susceptible bacteria such as Staphylococcus aureus including methicillin-susceptible and methicillin-resistant strains of Streptococcus pyogenes, in intravenous dosage form.

Mechanism of action

Dalbavancin is a lipoglycopeptide belonging in the same glycopeptide class as vancomycin. Similar to other glycopeptides, dalbavancin exerts its bactericidal effect by disrupting cell wall biosynthesis. It binds to the D-alanyl-D-alanyl residue on growing peptidoglycan chains and prevents transpeptidation from occurring, preventing peptidoglycan elongation and cell wall formation. Dalbavancin also dimerizes and anchors itself in the lipophilic bacterial membrane, thereby increasing its stability in the target environment and its affinity for peptidoglycan.

Antimicrobial activity correlates with the ratio of area under the concentration-time curve to minimum inhibitory concentration for Staphylococcus aureus.

Adverse effects

The most common adverse reactions encountered in Phase II and Phase III trials were nausea (5.5%), headache (4.7%), and diarrhea (4.4%), as well as rash (2.7%) and itchiness (2.1%). Other less frequent but serious adverse reactions included hematologic disorders, heptatotoxicity, Clostridium difficile colitis, bronchospasm, infusion-related reactions including Red Man Syndrome, and anaphylactic shock. In trials, dalbavancin was associated with higher rates of hemorrhagic events compared to comparator groups and should be a precaution in patients undergoing surgery or taking anticoagulants. Patients on dalbavancin also had post-baseline alanine aminotransferase (ALT) levels that were 3 times the upper normal limit, some even having elevations 10 times the upper normal limit; however, eight of the twelve dalbavancin-treated patients had comorbid conditions that could affect their ALT, compared to only one patient in the comparator group. There is no evidence of ototoxicity associated with dalbavancin.


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