AEROSURF

AEROSURF Uses, Dosage, Side Effects, Food Interaction and all others data.

AEROSURF (also known as KL4 peptide) is a synthetic protein used to mimic human lung surfactant protein B. This protein has a weight of 2469.40.

AEROSURF is a 21-residue peptide made up of lysine (K) and leucine (L) residues with the sequence KLLLLKLLLLKLLLLKLLLLK (KL4), in aqueous dispersion with the phospholipids DPPC (dipalmitoylphosphatidylcholine), POPG (palmitoyloleoyl-phosphatidylglycerol), and palmitic acid, to create the drug lucinactant.

The product was originally developed by the Scripps Research Institute, then licensed to Windtree Therapeutics. Windtree Therapeutics plans a phase III trial for Respiratory distress syndrome in 2018.

Trade Name AEROSURF
Generic Sinapultide
Sinapultide Other Names Sinapultida, Sinapultide, Sinapultidum
Type
Formula C126H238N26O22
Weight Average: 2469.45
Monoisotopic: 2467.830403408
Groups Approved
Therapeutic Class
Manufacturer
Available Country
Last Updated: September 19, 2023 at 7:00 am
AEROSURF
AEROSURF

Uses

AEROSURF is a synthetic lung surfactant used to treat infant respiratory distress syndrome.

Infant respiratory distress syndrome , , , .

How AEROSURF works

Endogenous pulmonary surfactant lowers surface tension at the air-liquid interface of the alveolar surfaces during respiration and stabilizes the alveoli against collapse at resting transpulmonary pressures. A deficiency of pulmonary surfactant in premature infants results in RDS. Surfaxin, the drug in which this protein is included, compensates for the deficiency of surfactant and restores surface activity to the lungs of these infants .

To explore the mechanisms of protection that this sinapultide offers against RDS, in vitro assays were performed with human and murine endothelial cell monolayers, and polymorphonuclear leukocyte (PMN) transmigration in the presence or absence of KL(4)-surfactant or lipid controls was studied. Based on morphology, histopathology, white blood cell count, percentage of PMNs, and protein concentration in bronchoalveolar lavage fluid, the results that showed KL(4)-surfactant, blocked neutrophil influx into alveoli and thus prevented lung injury. Additionally, in vitro assays demonstrated KL(4)-surfactant decreased neutrophil transmigration at the endothelial cell level. KL(4)-surfactant diminished inflammation and lung permeability when compared with controls in both mouse models of lung injury. Evidence suggests the anti-inflammatory mechanism of the KL(4)-peptide is achieved through inhibition of PMN transmigration through the endothelium .

Toxicity

If respiration, ventilation, or oxygenation is clearly affected after an accidental overdose, aspirate as much of the suspension as possible and provide the infant with supportive treatment .

Elimination Route

Administered directly to the lung, where biophysical effects occur at the terminal airways and alveolar surface. No human pharmacokinetic studies have been done to characterize the absorption, distribution, metabolism, or elimination of this drug .

Innovators Monograph

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*** Taking medicines without doctor's advice can cause long-term problems.
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