New antibiotic could be safer for diabetic foot infections
NCT ID NCT04714411
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested the antibiotic omadacycline in 42 hospitalized adults with diabetic foot infections, some with bone infection. The goal was to see if it causes fewer kidney problems and gut infections compared to standard antibiotics. Researchers compared results to a group of similar patients who received usual care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Omadacycline (an antibiotic)
- What this could lead to
- If successful, this could show that omadacycline is a safer antibiotic option for diabetic foot infections, reducing the risk of kidney damage and gut infections.
- What could go wrong
- This is a small, early study with only 42 participants. Results may not apply to all patients, and the drug may still cause side effects or not work as well as expected.
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.
- Participants
-
42 people
The number who actually took part.
- Started
-
Nov 2020
- Finished
-
Jul 2025
- 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.
Who is studied
Adult diabetic with DFI hospitalized, 18 years or older, diagnosed with type 1 or 2 diabetes, and have DFI with or without AOM
- Ages
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18 years and older
- Sex
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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 Hide 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: * Female and male subjects will be eligible for inclusion if hospitalized, 18 years or older, diagnosed with type 1 or 2 diabetes, and have DFI with the additional clinical criteria as specified below: * Acute infection or worsening without systemic antimicrobials within the previous 14 days * At least one full or partial thickness-infected ulcer at or below the ankle AND * Purulent drainage OR * Two of the following: * Erythema * Local edema * Fluctuance * Induration * Increased local warmth * Fever * No systemic antimicrobials with current hospital admission for more than 48 hours prior to enrollment * Inclusion will be based on * Empiric coverage based on organisms suspected to be caused by susceptible bacteria, if no culture identifies a specific organism; or * Confirmed susceptibility to omadacycline against any organism identified. Any subject in which a pathogen resistant to omadacycline is identified will be excluded from the study and antibiotics will be changed based on physician discretion. * First episodes of AOM at qualifying site of infection will be eligible for inclusion with any of the following criteria confirming the diagnosis: * Imaging (X-ray or MRI) confirmation of acute osteomyelitis * Pathology (bone biopsy/culture) * Not currently enrolled in any other clinical trial * Provides informed consent * Likely to be compliant with all study-related procedures and visits Exclusion Criteria: * Age less than 18 years * Pregnant women * Chronic osteomyelitis * Osteomyelitis of the same site previously treated with antibiotics * Documented presence of osteomyelitis more than 2 weeks prior to index admission * Necrotic or dead bone identified by pathology * Unclear chronicity of infection (if unable to determine acute osteomyelitis) * Has any gangrenous ulcers or necrotizing fasciitis * Has a pathogen known to be resistant to omadacycline * Administration of additional systemic antibiotics in combination with omadacycline, not including topical routes or oral vancomycin/fidaxomicin given their local activity within the GI tract * Contraindication or hypersensitivity to omadacycline/tetracyclines * Unwilling or unable to participate in study-related procedures or visits
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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
-
Methodist Charlton Medical Center
Dallas, Texas, 75237, United States
-
Methodist Dallas Medical Center
Dallas, Texas, 75203, United States
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Other studies related to the condition(s) this trial covers.
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