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Aztreonam for

Phase 3

Cystic Fibrosis | Small molecule | Respiratory |Gilead Sciences, Inc.|Last Updated: Jul 17, 2014

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment484

FDA Designations

No designations recorded

Clinical trial landscape

Aztreonam for · 3 trials · 4 indications

Phase 3 1Phase 2 2
NCT00757237Aztreonam for Inhalation Solution vs Tobramycin Inhalation Solution in Patients With Cystic Fibrosis & Pseudomonas AeruginosaCystic Fibrosis
COMPLETED274 Analytics
PHASE3COMPLETED
Aztreonam for Inhalation Solution vs Tobramycin Inhalation Solution in Patients With Cystic Fibrosis & Pseudomonas Aeruginosa
Cystic FibrosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Relative Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) Percent Predicted at Day 28
Baseline and end of treatment Course 1 (Day 28)

Spirometry was performed according to American Thoracic Society (ATS) guidelines at each visit. FEV1 percent predicted is a normalized value of FEV1 calculated using the Knudson equation and based upon participant age, gender, and height. Treatment effect on the relative change from baseline in FEV1 percent predicted at Day 28 (Visit 4) was tested using an analysis of covariance (ANCOVA) model-based method.

Mean Actual Change From Baseline in FEV1 Percent Predicted Across 3 Treatment Courses
Baseline, and end of treatment Courses 1 (Week 4), 2 (Week 12), and 3 (Week 20)

Spirometry was performed according to ATS guidelines at each visit. FEV1 percent predicted is a normalized value of FEV1 calculated using the Knudson equation and based upon participant age, gender, and height. Treatment effect on the average adjusted means for the actual change in FEV1 percent predicted at Visits 4, 6, and 8 (Weeks 4, 12, and 20) was tested by mixed-effect model repeated measures (MMRM) analysis using the ITT population analysis set.

Percentage of Participants With PA-negative Cultures at All Time Points After Cessation of Active Treatment (Evaluable Analysis Set)
Day 28 to Day 196

The percentage of participants with PA-negative cultures at all time points after cessation of active treatment at Day 28 (assessed at Days 56, 112, and 196) was summarized for the Evaluable Analysis Set.

Percentage of Participants With PA-negative Cultures at All Time Points After Cessation of Active Treatment (Sensitivity Analysis Set)
Day 28 to Day 196

The percentage of participants with PA-negative cultures at all time points after cessation of active treatment at Day 28 (assessed at Days 56, 112, and 196) was summarized for the Sensitivity Analysis Set.

Change in FEV1 from Baseline to Day 14
14 Days

Secondary Endpoints

Relative Change From Baseline in FEV1 Percent Predicted at Day 28 in Subjects Who Received Inhaled Tobramycin for >= 84 Days in the 12 Months Prior to Randomization
Baseline and end of treatment Course 1 (Day 28)
Mean Actual Change From Baseline in FEV1 Percent Predicted Across 3 Treatment Courses in Subjects Who Received Inhaled Tobramycin for >= 84 Days in the 12 Months Prior to Randomization
Baseline and end of treatment Courses 1 (Week 4), 2 (Week 12), and 3 (Week 20)
Time to Need for Intravenous (IV) Antipseudomonal Antibiotics for Respiratory Events
Day 0 to Day 168 (end of study)
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AZLI 75 mg 3 times a day (TID)EXPERIMENTAL -
TIS 300 mg 2 times a day (BID)ACTIVE_COMPARATOR -
Aztreonam for Inhalation Solution (AZLI)EXPERIMENTALParticipants will receive one 28-day course of AZLI, then will be followed for a 24-week period (through Day 196).
AI 75 mgEXPERIMENTALAztreonam for Inhalation 75 mg twice daily
AI 225 mgEXPERIMENTALAztreonam for Inhalation 225 mg twice daily
PlaceboPLACEBO_COMPARATORPlacebo

Interventions

NameTypeDescription
Aztreonam for Inhalation Solution (AZLI)DRUGAztreonam for inhalation solution (75 mg) was administered 3 times a day (TID) for 28 days for each treatment cycle via the PARI eFlow electronic nebulizer.
Tobramycin Inhalation Solution (TIS)DRUGTobramycin inhalation solution (300 mg) was administered 2 times a day (BID) for 28 days for each treatment cycle via the PARI LC Plus nebulizer with compressor or via another nebulizer compatible with country-specified labeling.
Aztreonam for Inhalation (AI)DRUGAztreonam for Inhalation
PlaceboDRUGSaline Placebo
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Eligibility Criteria

Age Range6 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites92

Inclusion Criteria: * Males or females aged 6 years and older * Subjects with CF as diagnosed by one of the following: documented sweat chloride \>= 60 mEq/L by quantitative pilocarpine iontophoresis test, or documented sweat sodium \>= 60 mmol/L, or 2 well characterized genetic mutations in the Cy...

Countries:United StatesAustriaBelgiumDenmarkFranceGermanyIrelandItalyNetherlandsPortugalSpainSwitzerlandUnited KingdomPoland
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Frequently asked questions about Aztreonam for

What is Aztreonam for?

Aztreonam for is an investigational small molecule being developed for cystic fibrosis. It is a monobactam antibiotic administered by inhalation to treat Pseudomonas aeruginosa lung infections in patients with cystic fibrosis. The drug is currently in clinical development, with completed Phase 2 and Phase 3 trials.

What does Aztreonam for target?

Aztreonam for targets Pseudomonas aeruginosa, a common bacterial pathogen that causes chronic lung infections in people with cystic fibrosis. By delivering the antibiotic directly to the lungs via inhalation, the drug aims to reduce bacterial load and improve respiratory outcomes in this patient population.

Who makes Aztreonam for?

Aztreonam for is being developed by Gilead Sciences, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol GILD. Gilead is conducting clinical trials to evaluate the safety and efficacy of this inhaled antibiotic for cystic fibrosis patients.

What phase is Aztreonam for in?

Aztreonam for has completed Phase 2 and Phase 3 clinical trials. The most advanced trial, NCT00757237, was a Phase 3 study comparing aztreonam for inhalation solution to tobramycin inhalation solution in cystic fibrosis patients with Pseudomonas aeruginosa. The drug remains investigational and is not yet approved.

What clinical trials is Aztreonam for in?

Aztreonam for has been studied in three completed clinical trials. NCT00757237 was a Phase 3 trial with 274 participants comparing aztreonam to tobramycin. NCT01055847 was a Phase 2 trial with 105 participants, and NCT01375049 was a Phase 2 trial with 105 participants studying aztreonam lysine for Pseudomonas eradication.

Is Aztreonam for the same as aztreonam lysine?

Aztreonam for is also known as aztreonam lysine, as seen in the clinical trial NCT01375049 titled 'Aztreonam Lysine for Pseudomonas Infection Eradication Study.' The drug is formulated as an inhalation solution using the lysine salt of aztreonam to enhance solubility and delivery to the lungs.