Aztreonam Aerosol to Treat Cystic Fibrosis Nasal Disease

Status Terminated

Clinical Trial Summary

This study is designed as a masked, two center, randomized, placebo-controlled pilot study to evaluate the safety and efficacy of nasal and oral inhalation of 75 mg aztreonam in subjects with CF and lung infection due to PA. The study will involve two sites: Virginia Commonwealth University Medical Center (VCU) and Eastern Virginia Medical School (EVMS). Potential subjects will be identified in each site's CF clinic.

Clinical Trial Description

This study is designed to explore the efficacy and safety of nasal aztreonam administered using the Pari Sinus Nebulizer combined with oral Cayston aerosol therapy compared to placebo on clinical and laboratory endpoints such as risk of antibiotic-resistant Pseudomonas aeruginosa (PA), time to pulmonary infection exacerbation, nasal quality of life, pulmonary function, nasal and lower airway cultures, and properties of mucus. P. aeruginosa (PA) is a primary cause of lung infections in persons with cystic fibrosis (CF) (1). Over the past decade, studies have shown that aerosolized antibiotics can reduce lower respiratory bacterial load, decrease exacerbations of pulmonary disease, and in many patients improve pulmonary function. Cayston (aztreonam) oral aerosol using the PARI Altera Nebulizer System was approved by the FDA in February 2010 for CF patients 7 years of age or older with PA (2). In 2011, 35.8% or patients in the National CF Patient Registry used Cayston for treatment (3). Bacterial cultures suggest that the upper airways and lower airways of CF patients are cross-infected by PA and that the paranasal sinuses can act as a bacterial reservoir (4). There is improved post-transplanation patient survival for recipients that undergo sinus surgery and daily nasal washes to reduce bacterial load (2). Routine CF care does not generally include upper airway assessment. There are no published studies evaluating the effect of aerosol antibiotics to treat nasal and sinus infections in CF in combination with oral inhaled aerosol therapy to treat the lower airway disease. However Mainz and colleagues published a case report that suggested that sinonasal administration of tobramycin using the Pari Sinus nebulizer (Pari Corp, Starnberg, Germany) delayed PA lower respiratory infection in a 12 year-old with CF who had chronic mucopurulent rhinosinusitis (5) and studies in chronic obstructive pulmonary disease suggest that treating upper airways can also improve coexistent lower airway disease. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02730793
Study type	Interventional
Source	Virginia Commonwealth University
Contact
Status	Terminated
Phase	Phase 2
Start date	January 2017
Completion date	September 19, 2019

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.