Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 4:45 PM
Ignite Modification Date:
2025-12-24 @ 4:45 PM
NCT ID:
NCT04858750
Eligibility Criteria:
Inclusion Criteria:
1. Abdominal CT scanning indicating ureteral stones or kidney stones that are less than 2 cm in diameter, and patients who are planning to undergo URL surgery.
2. Age between 18 and 80 years old and capable of providing written informed consent;
3. In general, the heart, lung, liver and kidney function are in well condition, able to tolerate surgical treatment, and comply with research requirements.
Exclusion Criteria:
1. Before the onset of urolithiasis, the patient has suffered from obvious overactive bladder syndrome, or chronic lower urinary tract infection, or urinary anatomic deformities, or had previously undergone urinary tract plastic surgery.
2. Other severe complications, infections, etc. that the researchers believe may make the subject unsuitable for this study.
3. The patient is not a local resident and insists on returning to his howetown for D-J stent removal after the URL operation（so that we are unable to retrieve the D-J stent and conduct the in vitro experiment）.
4. The patient refuses to sign the informed consent.
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
18 Years
Maximum Age:
80 Years
Study:
NCT04858750
Study Brief:
Protocol Section:
NCT04858750