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New antibiotic takes on superbug in major hospital study

NCT ID NCT07226557

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether the antibiotic cefiderocol can lower death rates in hospitalized adults with a tough, drug-resistant Acinetobacter infection. Researchers will compare patients who got cefiderocol to those who received the best available treatment. The goal is to see which approach works better over 28 days.

What this could mean

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

Active substance
cefiderocol
What this could lead to
If cefiderocol works better, it could become a go-to treatment for tough hospital infections that resist other antibiotics.
What could go wrong
This is an observational analysis, not a controlled trial, so results may be less reliable. The infection is rare and severe, so findings may not apply broadly.

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

About 5,000 people

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

Started

Jan 2025

Expected to finish

Dec 2025

An estimate. End dates often move.

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Hospitalized adult patients with a clinical culture positive for carbapenem resistant A. baumannii and received an antibiotic with possible in vitro activity against carbapenem resistant A. baumannii in the time frame of interest (i.e., days before culture collection until 2 days after first available antibiotic susceptibility test result was made available) and admitted to US hospitals reporting to the PINC-AI healthcare database between 2018-2024 will be eligible for inclusion in the hypothetical target trials.

Ages

18 to 100 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: * Hospitalized adults (≥ 18 years of age) * Carbapenem resistant A. baumannii-calcoaceticus complex clinical culture * Antimicrobial agent with possible in vitro activity against carbapenem resistant A. baumannii-calcoaceticus complex initiated in the time frame of 2 days before culture collection until 2 days following first available antibiotic susceptibility test result being made available Exclusion Criteria: * Patients with no antibiotic susceptibility testing * Patients with only A. baumannii infection diagnosed by rapid diagnostic tests (i.e., multiplex polymerase chain reaction) * Initiation of antimicrobial agent outside of selected time frame (i.e., 2 days before culture collection until 2 days after first available antibiotic susceptibility test result was made available)

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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

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.