Achaogen Questioning Whether Others Will Pursue LPAD Pathway After Zemdri Misses Out
Achaogen can take solace in US FDA's approval of the aminoglycoside antibacterial for the treatment of complicated urinary tract infections, but the limited use indication for bloodstream infections was rejected.
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Cidara developed the antifungal for candidemia/invasive candidiasis pursuant to the FDA’s 2017 ‘Unmet Need guidance,’ which provides an avenue for approval with a 'limited use' indication based on a streamlined development program. Some of the guidance recommendations also have been leveraged under the LPAD pathway.
Entasis is seeking a pathogen-specific approval for its antibiotic/beta lactamase inhibitor candidate rather than an indication specific the site of an infection. Achaogen’s earlier failure to do the same may have helped set a path.
With Phase III data showing non-inferiority to colistin, as well as nephrotoxicity superiority, Entasis thinks sulbactam/durlobactam will provide a new standard of care and succeed where Achaogen’s Zemdri failed.