CClinicalTrials.gg
Status unknownNCT02933398RALPLPNNXUpdated Mar 19, 2021

A Trial Comparing - Robotic Assisted Versus Laparoscopic Partial Nephrectomy For Small Renal Masses

A Phase 3 interventional study of Robotic Assisted Nephrectomy and Laparoscopic Assisted Nephrectomy in Small Renal Masses, sponsored by St. Joseph's Healthcare Hamilton. Status unknown at 1 site in Canada. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-03-19.

Sponsored by St. Joseph's Healthcare Hamilton · Phase 3, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Mar 2021), so the status shown — last known as Not yet recruiting — may be out of date.
Phase
Phase 3
Study type
Interventional
Enrollment
104
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

A prospective, randomized, controlled trial including patients who are diagnosed with a small renal mass (\<4 cm) amenable to resection using either RALPN or LPN.

Read the detailed description

Small renal masses (SRM) \<4cm are increasingly being discovered incidentally on imaging. The standard of care for management of SRMs is partial nephrectomy whenever feasible. In the last 10 years, a minimally invasive laproscopic approach has largely supplanted open surgery for the treatment of SRMs. Robot-assisted laparoscopic partial nephrectomy (RALPN) has emerged as an alternative to laparoscopic partial nephrectomy (LPN) and has been able to bridge the technical difficulties of LPN. The big question about the role and cost of RALPN in comparison to LPN especially in Canadian healthcare for SRMs still remains unanswered.

The objective of this proposed study is to conduct a randomized controlled trial to determine whether RALPN is better than LPN for the management of patients with SRMs. The primary outcomes will be warm ischemia time and secondary outcomes will be estimated glomerular filtration rate (eGFR), estimated blood loss, complication rate, length of hospital stay, positive surgical margin rate and cost comparison of these two techniques.

02

Conditions studied

  • Small Renal Masses
03

In context

Lead sponsor

St. Joseph's Healthcare Hamilton is the lead sponsor of 137 studies on the registry; 31 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Patients at least 18 years of age and capable of giving informed consent
  2. Patients scheduled for treatment of a renal tumor suitable to undergo LPN /RALPN
  3. Patients with SRMs (tumor(s) ≤ 4 cm)

Exclusion criteria

Exclusion Criteria:

  1. Large tumors > 4.0cm
  2. Unable to have a general anesthetic
  3. Unable to comply with post-operative follow-up protocol
  4. Uncorrectable bleeding diathesis
  5. Tumors unsuitable for LPN/RALPN technique
  6. Evidence of metastatic disease
  7. Prior surgery on the affected kidney
  8. Ectopic or malrotated kidney
  9. Mental health condition that precludes informed consent
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
104 participants (estimated)

Study arms

  • Active comparator
    Laparoscopic Assisted Partial Nephrectomy

    Current standard for partial nephrectomies.

    Procedure: Robotic Assisted Nephrectomy

  • Active comparator
    Robotic Assisted Partial Nephrectomy

    Possible new standard for partial nephrectomies.

    Procedure: Laparoscopic Assisted Nephrectomy

Interventions

  • ProcedureRobotic Assisted Nephrectomy

    Robotic (Davinci)

  • ProcedureLaparoscopic Assisted Nephrectomy

    Regular Laparoscopic Technique.

06

What researchers measure

Primary outcomes

  1. Warm ischemia time

    It will be measured intraoperatively from the time of application of Satinsky clamp on the renal hilum to the release of clamp (in minutes).

    Time frame: Duration of the Surgical Procedure (Nephrectomy)

Secondary outcomes

  1. eGFR

    It will be measured preoperatively, postoperatively and at each of the follow-up visit.

    Time frame: Up to 24 months post operatively.

  2. Estimated blood loss

    Will be measured intraoperatively from the amount of blood (ml) in the suction container.

    Time frame: Duration of the Surgical Procedure (Nephrectomy)

  3. Complication rates as per Clavien-Dindo classification

    It will be recorded for the intra-operative, post-operative and follow-up period.

    Time frame: Up to 24 months post-operatively.

  4. Conversion rate to radical nephrectomy or OPN due to technical difficulty.

    From the start of the partial nephrectomy in minutes to the time it was decided to convert to a radical nephrectomy.

    Time frame: Duration of the Surgical Procedure

  5. Postoperative pain

    Time frame: Minutes to hours after nephrectomy up to 3 months post-operatively.

  6. Length of hospital stay

    Calculated from day of admission to day of discharge from hospital.

    Time frame: 3-7 Days

  7. Positive surgical margin rate

    Will be based on the final pathology results which are usually ready in 1-2 weeks post surgery. Distance to surgical margin will be looked at (mm to cm).

    Time frame: 14 days

  8. Costs of treatment

    Clinical data and resource use for both treatments will be collected and unit cost estimates will be based on the St. Joseph Healthcare case-costing system. The cost will be conducted from the perspective of Ontario Ministry of Health and Long-term Care. The cost of hospital stay will be calculated along with any hospital stay/procedure associated with a post-op complication.

    Time frame: Up to 1 year

07

Study locations

1 site
  • St. Joseph's Healthcare Hamilton - McMaster Institute of Urology
    Hamilton, Ontario L8N4A6, Canada
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 19, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02933398
Lead sponsor
St. Joseph's Healthcare Hamilton
Responsible party
Anil Kapoor (MD, FRCSC, McMaster University) — Principal investigator
First posted
Oct 14, 2016
Start date
Dec 2021 (estimated)
Primary completion
Dec 2022 (estimated)
Completion
Dec 2022 (estimated)
Last update
Mar 19, 2021

Study contacts

Anil Kapoor, MD, FRCSC
Contact
akapoor@mcmaster.ca
905-522-1155 ext. 33218
Camilla Tajzler, BA, CCRA
Contact
tajzlec@mcmaster.ca
905-522-1155 ext. 35876

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Mar 2021. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion