DRUG APPROVALS BY DR ANTHONY MELVIN CRASTO
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Tobramycin
MAR 22.2013, FDA approves TOBI Podhaler to treat a type of bacterial lung infection in cystic fibrosispatients
The U.S. Food and Drug Administration today approved TOBI Podhaler (tobramycininhalation powder) for the management of cystic fibrosis patients with Pseudomonas aeruginosa, a bacterium that causes lung infections.
Cystic fibrosis is a genetic disease that affects about 30,000 pediatric and adult patients in the United States. Cystic fibrosis causes the body to produce thick, sticky mucus that builds up in the lungs and blocks airways. The buildup of mucus makes it easy for bacteria like P. aeruginosa to grow and cause a chronic lung infection that, over time, can severely damage the lungs. Many patients with cystic fibrosis are treated with antibiotics using a nebulizer machine.
Tobramycin is an aminoglycoside antibiotic derived from Streptomyces tenebrarius and used to treat various types of bacteria infections, particularly Gram-negative infections. It is especially effective against species of Pseudomonas.
TOBI Podhaler, a plastic, handheld inhaler device, contains a dry powder formulation of tobramycin, an antibiotic used to treat P. aeruginosa infection. The powder is inhaled twice daily using the Podhaler device for 28 days. Patients should then stop TOBI Podhaler therapy for 28 days before resuming again.
“Today’s approval broadens the available delivery mechanism options for patients withcystic fibrosis who require treatment for P. aeruginosa,” said Edward Cox, M.D., M.P.H, director of the Office of Antimicrobial Products in the FDA’s Center for Drug Evaluation and Research. “This product is the first dry powder antibacterial drug delivered with a handheld dry powder inhaler.”
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