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Transperitoneal vs Retroperitoneal Laparoscopic or Robotic Partial Nephrectomy

Comparison of Peri-operative Outcomes of Laparoscopic or Robotic Partial Nephrectomy for Small Renal Mass: Transperitoneal vs Retroperitoneal Approach

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02849119
Enrollment
106
Registered
2016-07-29
Start date
2016-01-31
Completion date
2017-01-31
Last updated
2016-07-29

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

Conditions

Renal Cell Carcinoma

Keywords

Robot; Laparoscopic, Partial nephrectomy, Transperitoneal, Retroperitoneal, Laparoscopic Surgery, Surgical Procedures, Robotic, Nephrectomy

Brief summary

Both laparoscopic partial nephrectomy (LPN) and robotic partial nephrectomy (RPN) can be performed through transperitoneal (TP) or retroperitoneal (RP) approach. RP approach is less utilized than TP approach because of technical difficulties when using rigid laparoscopic instruments in the small space of retroperitoneum cavity. However, with advanced surgical skills and thoughtful patient selection, RP approach may be associated with shorter operative time (OT), less estimated blood loss (EBL), shorter length of hospital stay (LOS) compared with TP approach. Therefore, the investigators performed randomized control trial to compare the outcomes of the two approaches (TP-LPN or RPN vs RP-LPN or RPN).

Detailed description

Partial nephrectomy is the standard treatment for small renal masses. The evolution of minimally invasive partial nephrectomy led to widespread utilization of laparoscopic (LPN) and robotic partial nephrectomy (RPN). Both LPN and RPN can be performed through transperitoneal (TP) or retroperitoneal (RP) approach. RP approach is less utilized than TP approach because of technical difficulties when using rigid laparoscopic instruments in the small space of retroperitoneum cavity. However, with advanced surgical skills and thoughtful patient selection, RP approach may be associated with shorter OT, less EBL, shorter LOS compared with TP approach. Therefore, the investigators performed randomized control trial to compare the outcomes of the two approaches (TP-LPN or RPN vs RP-LPN or RPN). The purpose of this study To compare the treatment outcomes of the transperitoneal and retroperitoneal approach during LPN or RPN in treatment of small renal masses. Inclusion criteria During the study period, a small renal mass (less than 4cm, T1a stage) patients are going to underwent LPN or RPN. Exclusion criteria 1. Patients who underwent radical nephrectomy 2. Patients with bilateral renal masses 3. Patients with a solitary kidney 4. Patients reject a written informed consent 5. Pregnancy The number of target subjects More than 106 patients who meet the inclusion criteria

Interventions

PROCEDURELaparoscopic or robotic partial nephrectomy

Laparoscopic or robotic partial nephrectomy of a small renal masses (T1a) through transperitoneal or retroperitoneal approach

Sponsors

Samsung Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Patients are going to undergo LPN or RPN with renal mass =\<4cm

Exclusion criteria

* Bilateral renal masses Solitary kidney Previous underwent nephrectomy refuse to be enrolled the study pregnancy

Design outcomes

Primary

MeasureTime frameDescription
Operative timeIntraoperativeOperative time of partial nephrectomy

Secondary

MeasureTime frameDescription
Warm ischemic time (minutes)IntraoperativeVessel clamping time during partial nephrectomy
Number of participants with treatment-related adverse events as assessed by Clavien-Dindo classificationfrom date of surgery, to 1 year postoperatively
Change of differential glomerular filtration rate (dGFR) measured by renal scanPreoperative dGFR and postoperative 1 year
Overall disease-free survival time (month)from date of surgery, to 1 year postoperativelyDisease free means no local recurrence, no metastasis.

Countries

South Korea

Contacts

Primary ContactSeongil Seo, MD
siseo@skku.edu82-10-9933-3556
Backup ContactInhyuck Gong, Doctor
kornumber1@naver.com82-10-3110-2791

Outcome results

None listed

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