Aztreonam for Inhalation Solution vs Tobramycin Inhalation Solution in Patients With Cystic Fibrosis & Pseudomonas Aeruginosa

Cystic Fibrosis Clinical Trial

Official title:
An Open-Label, Randomized, Phase 3 Trial to Evaluate the Efficacy and Safety of Aztreonam for Inhalation Solution (AZLI) Versus Tobramycin Inhalation Solution (TIS) in an Intermittent Aerosolized Antibiotic Regimen in Subjects With Cystic Fibrosis Followed by an Open-Label, Single Arm Extension (European Union [EU] Only)

Status Completed

Clinical Trial Summary

The purpose of this study was to assess the comparative safety and effectiveness of aztreonam for inhalation solution versus tobramycin inhalation solution in adult and pediatric patients with cystic fibrosis (CF) and pulmonary Pseudomonas aeruginosa (PA) infection.

Clinical Trial Description

Number of Subjects Planned: Approximately 240 randomized patients

Target Population: CF patients >= 6 years of age with stable pulmonary disease, who at study entry had a recent positive sputum culture for PA and had been previously treated with aerosolized antibiotics without demonstration of drug intolerance.

The randomized phase of this study, used for hypotheses testing, enrolled participants from both the United States (US) and EU. An open-label, single-arm extension was available for participants in the EU who completed at least one course of AZLI or TIS during the randomized portion of the study. These participants were eligible to receive 3 additional cycles of AZLI in a 28-day, intermittent, repeating treatment regimen. Results of the extension phase will be available the first quarter (Q1) of 2012.

Randomized Phase Study Design (US and EU): This was an open-label, multicenter, randomized, parallel group study. The study design consisted of 2 treatment arms of 28-day, intermittent, repeating treatment regimens: aztreonam for inhalation solution (AZLI) or tobramycin inhalation solution (TIS). The total study period was 26 weeks. The study schedule included 9 visits - Screening, Baseline, Day 14, Day 28, followed by visits every 28 days through the end of the study. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00757237
Study type	Interventional
Source	Gilead Sciences
Contact
Status	Completed
Phase	Phase 3
Start date	August 2008
Completion date	November 2010

View Details

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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.