Small study tracks antibiotic behavior in cystic fibrosis patients
NCT ID NCT04460586
First seen Jun 27, 2026 ยท Last updated Jun 27, 2026
Summary
This study looked at how the antibiotic omadacycline moves through the bodies of 9 adults with cystic fibrosis. Participants received the drug by mouth and through an IV to measure levels in the blood. The goal was to understand dosing, not to treat the disease.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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9 people
The number who actually took part.
- Started
-
Jul 2021
- Finished
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Dec 2023
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of CF based on positive sweat chloride or known CF mutation * Age \>=18 years Exclusion Criteria: * Presence of an ongoing acute pulmonary exacerbation defined based on clinical signs \& symptoms and an acute decline in relative FEV1 of 10% or greater. * Pregnancy or breastfeeding * Serious past allergy to a tetracycline antibiotic * No alcohol, nicotine, or caffeine-containing products during the study period * Hemoglobin \< 8 g/dL
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Southern California
Los Angeles, California, 90089, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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