New study aims to unlock secrets of graft infections using advanced blood tests
NCT ID NCT07696884
First seen Jul 10, 2026 · Last updated Jul 10, 2026
Summary
This study observes patients with suspected or diagnosed infections in central vascular grafts (like aortic grafts) to better understand how the body's immune system responds. Researchers will collect blood samples and clinical data over time, comparing infected patients to those receiving elective graft surgery and healthy blood donors. The goal is to improve diagnosis by testing new methods, including microbial cell-free DNA sequencing, which may detect infections more accurately than standard blood cultures.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could lead to better and faster diagnosis of vascular graft infections, potentially improving treatment outcomes.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly lead to new therapies, and findings may not apply to all patients.
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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2024
- Expected to finish
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Sep 2033
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.
Who is studied
Study participants will be selected from clinical populations in the Central Denmark Region. Patients with suspected or diagnosed central vascular graft or endograft infection will be identified through infectious diseases and vascular/cardiothoracic surgical clinical care pathways, electronic medical records, and local departmental databases. Elective vascular graft/endograft control participants will be identified through the preoperative surgical pathway. Healthy blood donor controls will be selected from the Aarhus University Hospital Blood Bank during routine blood donation.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Age 18 years or older. * Able and willing to provide informed consent. * For the vascular graft or endograft infection group: suspected or diagnosed vascular graft or endograft infection in a central vascular prosthesis as determined by the treating clinicians. * For the elective vascular graft or endograft control group: planned central vascular graft or endograft implantation. * For the healthy blood donor control group: active blood donor registered at Aarhus University Hospital Blood Bank. * For the healthy blood donor control group: no current infection or other active disease. Exclusion Criteria: * For the elective vascular graft or endograft control group: surgery performed as an emergency procedure within 24 hours. * For the elective vascular graft or endograft control group: reoperation of a previously implanted vascular graft or endograft. * For the elective vascular graft or endograft control group: evidence suggestive of ongoing infection in the area of surgery. * Unable to provide informed consent.
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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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Aarhus University Hospital
RECRUITINGAarhus, 8200, Denmark