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NCT06746779
The Role of Preoperative Ureteral Diameter Measurements in Predicting Difficult Access During Retrograde Intrarenal Surgery: A Retrospective Analysis of 234 Patients
trial in Kidney Stones in 234 participants. Completed in 10 December 2024.
31 December 2022
Quick facts
| Lead sponsor | Hisar Intercontinental Hospital |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 234 |
| Start date | 1 January 2018 |
| Primary completion | 31 December 2022 |
| Estimated completion | 10 December 2024 |
| Sites | 2 locations across Turkey (Türkiye) |
Conditions studied
- Kidney Stones — all drugs for Kidney Stones →
- Retrograde Intrarenal Surgery — all drugs for Retrograde Intrarenal Surgery →
- Difficult Ureteral Access Prediction — all drugs for Difficult Ureteral Access Prediction →
Sponsor
Hisar Intercontinental Hospital
Who can join
18 and older, any sex, with Kidney Stones or Retrograde Intrarenal Surgery. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This study investigates the role of preoperative ureteral diameter measurements in predicting difficult access during retrograde intrarenal surgery (RIRS) in patients with kidney stones. A retrospective analysis was conducted on 234 patients who underwent RIRS, evaluating factors such as preoperative ureteral diameters (measured at distal, iliac, and upper ureteral levels via CT scans), stone size, patient demographics, operation duration, and surgical success rates. The findings aim to determine whether ureteral diameter measurements can serve as reliable predictors for surgical challenges, ultimately improving preoperative planning and patient outcomes.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
The role of preoperative ureteral diameter measurements in predicting difficult access during retrograde ıntrarenal surgery: a retrospective analysis of 234 patients.
Çakıroğlu B, Avcı AE, Uyanık BS, Aksoy SH, et al · · 2025 · cited 1× · PMID 40455301 · DOI 10.1007/s00240-025-01754-9
Verify or expand the search:
- PubMed search for NCT06746779
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other Hisar Intercontinental Hospital trials
Trials by the same sponsor.
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- NCT06459713 — Multiplex Respiratory PCR Results in Diabetic Pneumonia Cases · completed
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06746779 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Hisar Intercontinental Hospital
- Last refreshed: 27 December 2024
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06746779.
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