Aerosolized Gemcitabine in Patients with Carcinoma of the Lung: Feasibility and Safety Study
2011
Abstract Background: We investigated the biodistribution, pharmacokinetics, safety profile, and feasibility of aerosolized gemcitabine (GCB) in patients with lung carcinoma. Method: Eleven patients with carcinoma localized in the lungs were studied in a dose escalation study of aerosolized GCB administered 1 day/week for 9 consecutive weeks. Safety data, scintigraphic assessment of the delivered dose and pharmacokinetic monitoring were analyzed. Patients were treated with doses of between 1 mg/kg and 4 mg/kg (dose in the nebulizer), using a new inhaler device (Aeroneb Pro with an Idehaler Chamber). Results and Conclusions: The total dose of GCB delivered to the patient's lung was 42 ± 16% of the initial amount of dose in the nebulizer. Safety data showed no hematologic toxicity, nephrotoxicity or neurotoxicity. At 4 mg/kg, one patient experienced grade 4 pulmonary toxicity (bronchospasm), which was the dose-limiting toxicity. Grade 2 and 3 toxic effects included fatigue, vomiting, dyspnea, and cough. Over...
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