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Probiotics may boost recovery after joint infection surgery

NCT ID NCT06919913

Disease control Sponsor: NYU Langone Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether taking a daily probiotic capsule (Lactobacillus rhamnosus GG) for six weeks after surgery can improve immune markers and recovery in people treated for a hip or knee joint infection. About 152 adults aged 18–90 will be enrolled. Researchers will measure blood markers of inflammation, patient-reported pain and function, and any complications.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Lactobacillus rhamnosus GG probiotic (Culturelle)
What this could lead to
If it works, this could point toward a simple, low-cost way to boost recovery and reduce complications after joint infection surgery.
What could go wrong
This is an early-stage study with no phase designation, so results are uncertain. Probiotics may not meaningfully change immune markers or outcomes, and individual responses can vary.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 152 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2025

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

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

18 to 90 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients ages 18-90 years of age. * Diagnosis of PJI based upon Musculoskeletal Infection Society (MSIS) criteria * Planned treatment with surgical debridement, antibiotics, implant retention (DAIR), single- and two-stage revision total joint arthroplasty (TJA) for PJI with an anticipated plan for eventual discontinuation of oral/IV antibiotics. * Patients with prior PJI in the same joint that has recurred. * Patients who understand the benefits and risks associated with taking a probiotic and are willing and able to provide informed consent. Exclusion Criteria: * Fungal PJI. * Inflammatory bowel disease, diverticulitis, history of intestinal surgery, or gastrointestinal issue where there is concern for gut integrity. * Severe acute gastrointestinal diseases (active bowel leak, acute colitis, acute pancreatitis). * Active endocarditis. * History of pancreatitis * History of intolerance to probiotics. * Patients that are pregnant or lactating. * Immunocompromised patients and patients with immunosuppressive conditions (uncontrolled HIV, chemotherapy for cancer treatment, stem cell transplantation, immunosuppressive medications for solid organ transplant, systematic corticosteroid use, immunosuppressive medications for autoimmune dysfunction, and neonates). * Patients who are critically ill. * Revision TJA for aseptic reasons.

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Conditions

The condition(s) this trial relates to.

periprosthetic joint infection

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Prosthetic-joint infection

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • NYU Langone Health

    RECRUITING

    New York, New York, 10016, United States

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