NCT07176026

Follow-Up of Ureteral Stones ≤4 mm

Follow-Up of Ureteral Stones ≤4 mm: Evaluate the Proportion of Spontaneous Passage and Assess if Symptoms and Stone Characteristics Can Predict Stone Passage

• Status: Enrolling By Invitation
• Phase: —
• Study type: Observational
• Enrollment: 1,600 (estimated)
• Sponsor: Region Skane · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The goal of this clinical trial is to evaluate the proportion of ureteral stones ≤4 mm that pass spontaneously within 4 and 8 weeks and assess if pain, blood test (S-creatinine), stone size, stone location and hydronephrosis can predict stone passage. The participants will be asked to fill in a questionare regarding symptoms, give a blood test and undergo a follow-up computed tomography.

Detailed description

All patients with a diagnosis of ureteral stone ≤4 mm at the Emergency Department in Helsingborg will be asked to participate. If they give consent data regarding age, gender, stone size, stone location, hydronephrosis, S-creatinine, treatments and results from the follow up CT is extraced from the medical records.

Conditions

• Kidney Stone

Timeline

• Start date: 2025-02-01
• Primary completion: 2027-01-01
• Completion: 2027-01-01
• First posted: 2025-09-16
• Last updated: 2025-09-16

Locations

2 sites across 1 country: Sweden