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Kidney transplant virus filter trial pulled before start

NCT ID NCT04984902

Disease control Sponsor: ExThera Medical Europe BV Source: ClinicalTrials.gov ↗

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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 aimed to see if a special blood filter (Seraph 100) could reduce BK virus levels in kidney transplant patients with high viral loads. It planned to enroll adults with a BK virus level of 10,000 IU/mL or higher who already had dialysis access. However, the trial was withdrawn before any participants were enrolled, so no results are available.

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.

Expected to start

Feb 2022

An estimate. Start dates often move.

Expected to finish

Apr 2023

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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: 1. Kidney transplant patients with a BK-viraemia ≥ 10,000 IU/ml. 2. Be ≥ 18 years old and ≤ 90 years old 3. Existing hemodialysis access Exclusion Criteria: 1. Subject is currently participating in another clinical investigation 2. Pregnant or nursing subjects and those who plan pregnancy during the clinical investigation follow-up period 3. Presence of comorbid conditions, or other medical, social, or psychological conditions that, in the investigator's opinion, could limit the subject's ability to participate in the clinical investigation or to comply with follow-up requirements, or impact the scientific soundness of the clinical investigation results 4. Have Child-Pugh Class C cirrhosis 5. Have platelet count \<30.000/uL 6. Contraindications for heparin sodium for injection 7. Subjects demonstrating any contraindication for this treatment as described in the IFU 8. Patients without existing hemodialysis access

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Conditions

The condition(s) this trial relates to.

BK-virus nephropathy kidney disorder renal infectious disease

As listed by the trial registrant

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

Kidney diseases Kidney transplant infection Kidney transplant; complications

Contacts and locations

Locations

  • University Hospital Essen

    Essen, Germany

More trials for these conditions

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