A Comparative Analysis Study on Encrustation of Two Types of Ureteral Stents

Clinical Research on the Characteristics of Ureteral Stent Encrustation Based on Microscopic 3D Imaging Technology and Molecular Spectroscopic Analysis, and the Construction of an Individualized Prevention and Management Model

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500102993

Enrollment

Unknown

Registered

2025-05-22

Start date

2023-06-01

Completion date

Unknown

Last updated

2025-05-26

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

Conditions

Ureteral stent encrustation

Interventions

Hydrophilic-coated stent: Hydrophilic coating

Conventional stent:Without hydrophilic coating

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients are males and females aged between 18 and 65 years old. All patients successfully underwent ureteroscopic lithotripsy and stone extraction, with ureteral stents placed. Participants have no mental illness or language disorders, are able to understand the details of this study, and have signed the informed consent.

Exclusion criteria

Exclusion criteria: Patients with multiple ureteral stents placed on one side due to ureteral stricture. Patients who are intolerant to ureteral stents. Patients who were lost to follow-up. Patients with incomplete clinical data. Patients who have participated in other clinical trials within the past 3 months.

Design outcomes

Primary

Measure	Time frame
Encrustation score;Encrustation quality;Encrustation rate;	—

Secondary

Measure	Time frame
Encrustation composition ;	—

Countries

china

Contacts

Public ContactHuang chen

Longgang District People’s Hospital of Shenzhen

gymnwkhc@163.com+86 138 2229 0516

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026