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Scientists mine patient blood for new weapons against superbug

NCT ID NCT04335383

Knowledge-focused Sponsor: University Hospital, Grenoble 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study aims to develop new antibody treatments for Pseudomonas aeruginosa, a bacteria that can be resistant to many antibiotics. Researchers will collect blood from 30 patients who have had this infection to isolate and produce antibodies that can fight the bacteria. The goal is to find an alternative to antibiotics for treating these hard-to-kill infections.

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 30 people

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

Started

Oct 2020

Expected to finish

Oct 2026

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.

Who is studied

Patient previously infected or colonized by Pseudomonas aeruginosa with serum containing functional anti-Pseudomonas aeruginosa antibodies

Ages

18 years and older

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: * Patient selected in the retrospective part of the study (patient with serum containing functional anti-Pseudomonas aeruginosa antibodies) * Patient with weight ≥ 32kg. * With a follow-up visit at Grenoble University Hospital with a blood sampling for its care * Having given its written no objection to participate in the prospective phase of this project Exclusion Criteria: * Legally protected patient (minor, pregnant or nursing woman, ward or ward curated, hospitalized under duress or deprived of liberty)

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Conditions

The condition(s) this trial relates to.

Pseudomonas aeruginosa infectious disease Pseudomonas infection

As listed by the trial registrant

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

Multi-antibiotic resistance Pseudomonas aeruginosa

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

  • Chu Grenoble Alpes

    RECRUITING

    Grenoble, 38043, France

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