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Comparative in vitro investigation of the bacterial colonisation of a novel hydrogel-covered and protein-rejecting double-J-ureterstent vs. commercially available standard double-J-ureterstent

Comparative in vitro investigation of the bacterial colonisation of a novel hydrogel-covered and protein-rejecting double-J-ureterstent vs. commercially available standard double-J-ureterstent - DJ-Coat

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00013264
Enrollment
Unknown
Registered
2018-02-05
Start date
2017-08-07
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

biofilm layer on ureter splints

Interventions

Group 1: Lab experiments concerning biofilm formation with standard ureter splint. Group 2: Lab experiments concerning biofilm formation with ureter splints coated with novel hydrogel.

Sponsors

Universitätsklinikum Freiburg
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Urine samples without germs or bacteria (confirmed by urine culture). The study participant who delivers the urine specimen must have no symptomatic or asymptomatic urinary tract infection and have not taken antibiotics for at least four weeks.

Exclusion criteria

Exclusion criteria: Urine samples with germs or bacteria, also in an insignificant amount, asymptomatic bacteriuria (confirmed by means of urine culture)

Design outcomes

Primary

MeasureTime frame
Determination of the number of bacteria adhering to the surface of standard ureter splints

Secondary

MeasureTime frame
Determination of the number of bacteria adhering to the surface of novel ureter splints coated with a hydrogel

Countries

Germany

Contacts

Public ContactTamas Szell

Universitätsklinikum Freiburg

tamas.szell@uniklinik-freiburg.de076127025820

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 23, 2026