# Comparing Super Pulse Fiber Thulium Laser and Holmium Laser for Ureteral Stone Fragmentation During Ureteroscopy

> **NCT06667557** · — · RECRUITING · sponsor: **Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine** · enrollment: 136 (estimated)

## Conditions studied

- Kidney Calculi

## Interventions

- **DEVICE:** Superpulse Thulium Fiber Laser (sTFL) Treatment
- **DEVICE:** Holmium:YAG Laser (Ho:YAG) Treatment

## Key facts

- **NCT ID:** NCT06667557
- **Lead sponsor:** Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-01-20
- **Primary completion:** 2027-10-20
- **Final completion:** 2028-10-20
- **Target enrollment:** 136 (ESTIMATED)
- **Last updated:** 2026-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06667557

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06667557, "Comparing Super Pulse Fiber Thulium Laser and Holmium Laser for Ureteral Stone Fragmentation During Ureteroscopy". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT06667557. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*