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Pulmozyme

Dornase alfa
Clinical data
Trade names Pulmozyme
AHFS/Drugs.com Monograph
MedlinePlus a694002
Pregnancy
category
  • US: B (No risk in non-human studies)
Routes of
administration
Inhalation
ATC code
Legal status
Legal status
Identifiers
CAS Number
DrugBank
ChemSpider
  • none
UNII
ECHA InfoCard 100.029.685
Chemical and physical data
Formula C1321H1999N339O396S9
Molar mass 29253.9 g/mol
 NYesY (what is this?)  

Dornase alfa (proprietary name Pulmozyme from Genentech) is a highly purified solution of recombinant human deoxyribonuclease I (rhDNase), an enzyme which selectively cleaves DNA. Dornase alfa hydrolyzes the DNA present in sputum/mucus of cystic fibrosis patients and reduces viscosity in the lungs, promoting improved clearance of secretions. This protein therapeutic agent is produced in Chinese hamster ovary cells.

Dornase alfa is the most recent therapeutic agent developed with this basic mechanism of action. Prior to the cloning of the human enzyme, bovine DNase I was on the market for many years, though its utility was limited by the inherent antigenic response to a cow protein in the lungs of patients. Other DNases, such as DNase II, have therapeutic potential as well, but no further DNases have been brought to market yet for cystic fibrosis.

Dornase alfa is an orphan drug.

Dornase alpha 1000 units (1 mg/ml)2.5ml (2500units) = £18.52 (GBP)

Dornase alfa has recently been shown to improve lung function in non-cystic fibrosis pre-term infants atelectasis where other therapies have failed.


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