ClinicalTrials.Veeva

Menu

CLamp vs Off Clamp Kidney During Partial Nephrectomy (CLOCK)

A

Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia

Status

Unknown

Conditions

Glomerular Filtration Rate
Kidney Neoplasm
Nephrectomy

Treatments

Procedure: Clampless Robotic partial nephrectomy
Procedure: Clamp Robotic partial nephrectomy

Study type

Interventional

Funder types

Other

Identifiers

NCT02287987
CLOCKBS 1.1

Details and patient eligibility

About

Prospective, randomized trial comparing surgical, functional and oncological outcomes between clamp and clamp-less robot assisted partial nephrectomy.

Enrollment

200 estimated patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • normal coagulation trim
  • pre operative Glomerular Filtration Rate (GFR) > 60 ml/min
  • healty contralateral kidney
  • low (4-6) or intermediate (7-10) RENAL score
  • availability of Da Vinci Robotic System

Exclusion criteria

  • altered coagulation trim
  • pre operative Glomerular Filtration Rate (GFR) < 60 ml/min
  • anatomic or functional solitary kidney
  • RENAL score >10

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

200 participants in 2 patient groups

Clamp
Active Comparator group
Description:
Laparoscopic robot-assisted partial nephrectomy with clamping the renal pedicle during the resection of the tumor
Treatment:
Procedure: Clamp Robotic partial nephrectomy
Off clamp
Experimental group
Description:
Laparoscopic robot-assisted partial nephrectomy without clamping the renal pedicle during the resection of the tumor
Treatment:
Procedure: Clampless Robotic partial nephrectomy

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems