Comparison of Safety and Efficiency of 20w and 30w Holmium Laser Device in Management of 2-3 cm Diameter Kidney Stones With Retrograde Intrarenal Surgery

Status

UNKNOWN

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02443909

Enrollment

Registered

2015-05-14

Start date

2015-01-31

Completion date

2017-01-31

Last updated

2015-05-14

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

Conditions

Nephrolithiasis

Keywords

Holmium Laser, Kidney Stones, RIRS

Brief summary

To compare safety and efficiency of 20w 30w holmium laser device in treatment of 2-3 cm diameter kidney stones with Retrograde Intrarenal Surgery (RIRS).

Interventions

PROCEDURERetrograde Intrarenal Surgery

endoscopic stone treatment with flexible ureteroscopy and 20w holmium laser device

DEVICEHolmium laser device

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to 90 Years

Healthy volunteers

Inclusion criteria

* patients who have 2-3 cm kidney stones * patients who are between 18-90 years old

Exclusion criteria

* patients who have congenital urogenital abnormalities * patients who have previous surgery history for urinary stones

Design outcomes

Primary

Measure	Time frame	Description
Safety (Complications according to clavien system)	1 day	Complications according to clavien system
Efficiency (visual analog score)	1 Day	visual analog score

Secondary

Measure	Time frame	Description
Efficiency (stone free rate)	3 month	stone free rate/

Countries

Turkey (Türkiye)

Contacts

Primary ContactNihat Karakoyunlu, MD

nkarakoyunlu@gmail.com00905324747134

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026