Clinical trial Recruiting at 59 sites Phase 4 Interventional Ages 6 and up

Comparing antibiotic treatments for lung issues in cystic fibrosis

Official title: Standardizing Treatments for Pulmonary Exacerbations: A Platform for Evaluating Treatment Decisions to Improve Outcomes (STOP360) Aminoglycoside Study (AG Study)

Run by Seattle Children's Hospital · NCT05548283 · Data updated 2026-11-12

This study is testing whether a combination of two types of antibiotics can help people with cystic fibrosis recover better from lung problems than using just one type of antibiotic.

More Cystic Fibrosis trials

Quick facts

PhasePhase 4
Study typeInterventional
Ages6 Years and up
SexAll
Enrollment730 (estimated)
SponsorSeattle Children's Hospital
Academic / other
Locations60 sites (Birmingham, Alabama and 59 other locations)
StatusRecruiting
StartedApril 23, 2023
Main results expectedMay 31, 2027
Study endsMay 31, 2027
Registry record updatedJuly 8, 2026
Trial IDNCT05548283 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals aged 6 years and older with a confirmed diagnosis of cystic fibrosis experiencing a pulmonary exacerbation requiring intravenous antibiotic treatment.

Probably not a fit

Patients with renal impairment, a history of solid organ transplantation, or those who have recently received certain treatments may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effectiveness of different antibiotic treatments for pulmonary exacerbations in patients with cystic fibrosis (CF). It aims to determine whether using a combination of aminoglycoside and beta-lactam antibiotics is more beneficial than using beta-lactams alone. The study will involve a randomized, open-label design with participants receiving either treatment for a planned 14-day course. The primary outcome will be measured by changes in lung function, specifically the Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1), from the start to the end of the treatment period.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment protocols for pulmonary exacerbations in cystic fibrosis patients, enhancing their lung function and overall health.

How similar studies have gone: Previous studies have indicated the need for standardized treatment approaches in cystic fibrosis, suggesting that this study's focus on antibiotic comparison is both relevant and necessary.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* All genders ≥ 6 years of age at Visit 1
* Documentation of a CF diagnosis
* Clinician intent to treat index CF PEx with a planned 14-day course of IV antimicrobials
* At least one documented Pa positive culture within two years prior to Visit 1

Exclusion Criteria:

* Participant is not pregnant
* No known renal impairment or history of solid organ transplantation
* No IV antimicrobial treatment, ICU admission, pneumothorax, or hemoptysis within 6 weeks prior to Visit 1
* No use of investigational therapies, new CF transmembrane conductance regulator (CFTR) modulators, or treatment for Nontuberculous mycobacteria (NTM) within 4 weeks prior to Visit 1
* No history of hypersensitivity, vestibular, or auditory toxicity with aminoglycosides
* No more than one day of IV aminoglycosides administered for the current PEx treatment prior to Visit 1

Where it's running

  • The Children's Hospital Alabama, University of Alabama at Birmingham
    Birmingham, Alabama, United States
    Recruiting
  • Tucson Cystic Fibrosis Center
    Tucson, Arizona, United States
    Recruiting
  • University of California San Diego
    La Jolla, California, United States
    Recruiting
  • Long Beach Memorial Medical Center
    Long Beach, California, United States
    Recruiting
  • CHOC Children's Hospital
    Orange, California, United States
    Recruiting
  • University of California at Davis Medical Center
    Sacramento, California, United States
    Recruiting
Show 44 more locations
  • University of Florida
    Gainesville, Florida, United States
    Recruiting
  • Joe DiMaggio Children's Hospital
    Hollywood, Florida, United States
    Recruiting
  • Nemours Children's Clinic
    Jacksonville, Florida, United States
    Recruiting
  • University of Miami
    Miami, Florida, United States
    Recruiting
  • All Children's Hospital
    St. Petersburg, Florida, United States
    Recruiting
  • Emory University
    Atlanta, Georgia, United States
    Recruiting
  • Saint Luke's Cystic Fibrosis Center of Idaho
    Boise, Idaho, United States
    Recruiting
  • Ann & Robert H. Lurie Children's Hospital of Chicago
    Chicago, Illinois, United States
    Recruiting
  • Northwestern University
    Chicago, Illinois, United States
    Recruiting
  • OSF Saint Francis Medical Center
    Peoria, Illinois, United States
    Recruiting
  • Indiana University Medical Center
    Indianapolis, Indiana, United States
    Recruiting
  • Riley Hospital for Children
    Indianapolis, Indiana, United States
    Recruiting
  • University of Iowa
    Iowa City, Iowa, United States
    Recruiting
  • University of Kansas Medical Center
    Kansas City, Kansas, United States
    Recruiting
  • University of Louisville
    Louisville, Kentucky, United States
    Recruiting
  • Maine Medical Center
    Portland, Maine, United States
    Recruiting
  • John Hopkins Hospital
    Baltimore, Maryland, United States
    Recruiting
  • Boston Children's Hospital, Brigham & Women's Hospital
    Boston, Massachusetts, United States
    Recruiting
  • University of Massachusetts Memorial Health Care
    Worcester, Massachusetts, United States
    Recruiting
  • University of Michigan, Michigan Medicine
    Ann Arbor, Michigan, United States
    Recruiting
  • Helen DeVos Children's Hospital
    Grand Rapids, Michigan, United States
    Recruiting
  • SSM Health Cardinal Glennon Children's Hospital
    St Louis, Missouri, United States
    Recruiting
  • Washington University School of Medicine
    St Louis, Missouri, United States
    Recruiting
  • Billings Clinic
    Billings, Montana, United States
    Recruiting
  • Dartmouth Hitchcock Medical Center
    Lebanon, New Hampshire, United States
    Recruiting
  • Morristown Medical Center
    Morristown, New Jersey, United States
    Recruiting
  • Rutgers - Robert Wood Johnson Medical School
    New Brunswick, New Jersey, United States
    Recruiting
  • Lenox Hill Hospital Cystic Fibrosis Center
    New York, New York, United States
    Recruiting
  • Children's Hospital of New York
    New York, New York, United States
    Recruiting
  • New York Medical College at Westchester Medical Center
    Valhalla, New York, United States
    Recruiting
  • Children's Hospital Medical Center of Akron
    Akron, Ohio, United States
    Recruiting
  • Cincinnati Children's Hospital Medical Center
    Cincinnati, Ohio, United States
    Recruiting
  • University of Cincinnati Medical Center
    Cincinnati, Ohio, United States
    Recruiting
  • Rainbow Babies and Children's Hospital/University Hospitals Cleveland Medical Center
    Cleveland, Ohio, United States
    Recruiting
  • Nationwide Children's Hospital
    Columbus, Ohio, United States
    Recruiting
  • Dayton Children's Hospital
    Dayton, Ohio, United States
    Recruiting
  • Toledo Children's Hospital
    Toledo, Ohio, United States
    Recruiting
  • Oklahoma Cystic Fibrosis Center
    Oklahoma City, Oklahoma, United States
    Recruiting
  • Oregon Health Sciences University
    Portland, Oregon, United States
    Recruiting
  • University of Pennsylvania
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Children's Hospital of Pittsburgh of UPMC
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Medical University of South Carolina
    Charleston, South Carolina, United States
    Recruiting
  • Vanderbilt Children's Hospital
    Nashville, Tennessee, United States
    Recruiting
  • University of Texas Southwestern / Children's Health
    Dallas, Texas, United States
    Recruiting

+10 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.