NCT04984902

Brief Summary

Reduction of BK Viremia by treating kidney transplant patients.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Feb 2022

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 21, 2021

Completed
3 months until next milestone

First Posted

Study publicly available on registry

August 2, 2021

Completed
6 months until next milestone

Study Start

First participant enrolled

February 1, 2022

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2023

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2023

Completed
Last Updated

April 20, 2026

Status Verified

April 1, 2026

Enrollment Period

1 year

First QC Date

April 21, 2021

Last Update Submit

April 15, 2026

Conditions

Keywords

BK Virus

Outcome Measures

Primary Outcomes (1)

  • Change in log 10 viral load

    Time-weighted change from baseline in log10 viral load within five days after first treatment.

    At day 0 and the following 3 treatments within five days after beginning with the first treatment.

Secondary Outcomes (4)

  • Number of participants with leukopenia

    At day 0 and the following 3 treatments within five days after beginning with the first treatment.

  • Number of participants with increase in serum creatinine

    At day 0 and the following 3 treatments within five days after beginning with the first treatment.

  • Number of participants with inoperative hypotension

    At 0 and the following 3 treatments within five days after beginning with the first treatment.

  • Number of participants with decreasing haemoglobin measurements

    At day 0 and the following 3 treatments within five days after beginning with the first treatment.

Other Outcomes (4)

  • N (%) of patients with treatment emergent adverse events

    2 months

  • Laboratory data

    2 months

  • Vital signs score

    2 months

  • +1 more other outcomes

Study Arms (2)

Treatment

EXPERIMENTAL

Treatment with Microbind® Affinity Blood Filter

Device: Extracorporal therapy

Control

NO INTERVENTION

Antibiotics

Interventions

Extracorporal therapy

Treatment

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Kidney transplant patients with a BK-viraemia ≥ 10,000 IU/ml.
  • Be ≥ 18 years old and ≤ 90 years old
  • Existing hemodialysis access

You may not qualify if:

  • Subject is currently participating in another clinical investigation
  • Pregnant or nursing subjects and those who plan pregnancy during the clinical investigation follow-up period
  • 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
  • Have Child-Pugh Class C cirrhosis
  • Have platelet count \<30.000/uL
  • Contraindications for heparin sodium for injection
  • Subjects demonstrating any contraindication for this treatment as described in the IFU
  • Patients without existing hemodialysis access

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital Essen

Essen, Germany

Location

MeSH Terms

Conditions

Kidney Diseases

Condition Hierarchy (Ancestors)

Urologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital Diseases

Study Officials

  • Bartosz Tyczynski, Dr.

    University Hospital, Essen

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: The primary objective is to demonstrate the reduction of BK viremia by treating kidney transplant patients with the Seraph 100 Microbind® Affinity Blood Filter from ExThera Medical.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 21, 2021

First Posted

August 2, 2021

Study Start

February 1, 2022

Primary Completion

February 1, 2023

Study Completion

April 1, 2023

Last Updated

April 20, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share
Shared Documents
CSR

Locations