Can a common antibiotic zap Post-Surgery fluid pockets?
NCT ID NCT07498010
First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 2 times
Summary
This small study tests whether injecting doxycycline into fluid pockets (seromas) that form after joint replacement surgery can help them go away and prevent them from coming back. Ten adults with a seroma after an orthopedic procedure will receive the injection and be followed with ultrasounds. The goal is to see if this simple treatment can reduce the need for repeat drainage or additional surgery.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 10 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- 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: * Patient with seroma formation following orthopedic procedure * \>18 years old * Willing and able to provide informed consent * Pre-operative imaging (US, CT) demonstrating seroma formation Exclusion Criteria: * Pregnancy or lactation * Age \<18 years * Known allergy to tetracyclines * Significant hepatic or renal dysfunction (Alanine Aminotransferase (ALT)/Aspartate Aminotransferase (AST) \>3× Upper Limit of Normal (ULN), Creatinine Clearance (CrCl \<30 mL/min) * History of photosensitivity or photodermatosis * Concurrent isotretinoin or retinoid therapy * Current use of anticoagulants or immunosuppressants * Active GI ulceration or esophageal disease * Any condition likely to impair adherence or drug absorption (e.g., malabsorption syndromes)
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Miami
RECRUITINGCoral Gables, Florida, 33146, United States
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