Flexible Ureteroscopy Versus ESWL in the Management of Lower Calyceal Stones

Flexible Ureteroscopy Versus ESWL in the Management of Lower Calyceal Stones: A Prospective Randomized Study

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02658942

Enrollment

Registered

2016-01-20

Start date

2010-05-31

Completion date

2015-05-31

Last updated

2016-01-20

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

Conditions

Renal Stones

Keywords

renal stones, lower calyx, Ureteroscopy, Shockwave lithotripsy, Holmium laser, Adult, Kidney

Brief summary

to assess safety, efficacy of Flexible ureteroscopy (FURS) holmium:YAG laser lithotripsy (LL) compared to extracorporeal shockwave lithotripsy (ESWL) in management of lower calyceal stones (LC) stones.

Detailed description

to assess stone free rate, number of sessions and complications of flexible ureteroscopy holmium:YAG laser lithotripsy compared to extracorporeal shockwave lithotripsy in the management of lower calyceal stones less than 2 cm in size.

Interventions

PROCEDUREUreteroscopy

In Group A patients, Karl Storz Flex-X 7.5, FURS with a 365 µm laser fiber.

PROCEDUREShockwave lithotripsy

In Group B patients, a Siemens Lithostar Lithotriptor

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

12 Years to No maximum

Healthy volunteers

Inclusion criteria

* unilateral * radiopaque stone(s) * \< 2 cm * located in the lower calyx.

Exclusion criteria

* Bleeding tendency * distal obstruction * Anomalies of the urinary tract * Solitary kidney

Design outcomes

Primary

Measure	Time frame	Description
Stone free rate	3 months	no stone fragments or having fragments \<3mm

Secondary

Measure	Time frame	Description
Complications	3 years	Bleeding Infection Pain obstruction renal or ureteric injury UTI Fever

Countries

Egypt

Outcome results

None listed

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