Minimally Invasive Percutaneous Nephrolithotomy with a Novel Vacuum-assisted Access Sheath for obstructive calculous pyonephrosis:a prospective and randomized study

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000029275

Enrollment

Unknown

Registered

2020-01-19

Start date

2017-05-19

Completion date

Unknown

Last updated

2020-02-03

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

Conditions

obstructive calculous pyonephrosis

Interventions

A:CREATE combined with Cyberwand double probe ultrasound lithotripsy

B:ClearPetra negative pressure stone sheath combined with pneumatic lithotripsy and/or holmium laser lithotripsy.

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18 to 60 years old; 2. Peripheral white blood cell count is normal; 3. Hemoglobin> 90 g/L; 4. No significant abnormality in heart, lung and liver function; 5. Negative urine culture before operation; 6. single renal stone <3 cm in diameter; 7. agree to PCNL.

Exclusion criteria

Exclusion criteria: 1. Present fever urinary tract infection; 2. Thick or dirty pus in initial puncture urine; 3. Diabetes; 4. Previous kidney surgery history and abnormal kidney anatomy; 5. Coagulation disorders; 6. Immunosuppressive diseases.

Design outcomes

Primary

Measure	Time frame
stone free rate;	—

Secondary

Measure	Time frame
operation time;blood loss;renal function change;complication;imflamation cytokines;	—

Countries

China

Contacts

Public ContactDehui lai

Jinshazhou Hospital of Guangzhou Traditional Chinese Medicine University

dehuilai@hotmail.com+86 13570508863

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026