CClinicalTrials.gg
CompletedNCT02002845Updated Dec 10, 2015

A Retrospective Multicenter Investigation of the Use of the da Vinci® Surgical System in Non-Tumor Based TORS Procedures

An observational study in Subjects Who Have Undergone Benign Non-tumor TORS Procedures Using the da Vinci Surgical System, sponsored by Intuitive Surgical. Completed at 3 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2015-12-10.

Sponsored by Intuitive Surgical · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
285
Ages
18 Years and older
Sex
All
01

Study summary

A retrospective multicenter investigation of the use of the da Vinci® Surgical System in Non-Tumor Based TORS Procedures. The study objectives are to evaluate the safety and effectiveness of the da Vinci Surgical System in subjects undergoing Benign Non-tumor procedures.

Read the detailed description

Primary Effectiveness Endpoint:

  • Ability to complete procedure without a need for conversion to a non-robotic approach

Safety Endpoint:

Assessment of adverse events through post-operative follow-up including but not limited to:

  • Bleeding

▪ Mortality

Additional endpoints evaluated may include:

  • Procedure times
  • Length of hospital stay
  • Volume of tissue resected
  • Use of tissue sealants
02

Conditions studied

  • Subjects Who Have Undergone Benign Non-tumor TORS Procedures Using the da Vinci Surgical System

Keywords

  • Tongue base resection, partial glossectomy
03

In context

Lead sponsor

Intuitive Surgical is the lead sponsor of 62 studies on the registry; 7 are open to participants now.

Of its 7 completed or terminated interventional studies of FDA-regulated products, 1 (14%) have results posted.

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
Sampling method
Non-probability sample

Study population

Subjects who have undergone benign non-tumor TORS procedures using the da Vinci Surgical System

Inclusion criteria

  • The specific surgical procedure involved a lingual tonsillectomy, tongue base resection, or a partial glossectomy procedure.
  • Subject was ≥18 years of age at the time of procedure

Exclusion criteria

Exclusion Criteria:

  • Subject underwent a benign non-tumor TORS procedure that did not involve either a lingual tonsillectomy, tongue base resection or partial glossectomy.
  • Subject underwent a TORS procedure for oropharyngeal cancer
05

Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
285 participants (actual)
Patient registry
No

Groups and cohorts

  • Robotic arm

    Patient who have undergone benign non-tumor TORS procedures using the da Vinci Surgical System

    Device: robotic surgery using the da Vinci Surgical System

Interventions

  • Devicerobotic surgery using the da Vinci Surgical System
06

What researchers measure

Primary outcomes

  1. Primary Effectiveness Endpoint

    Ability to complete procedure without a need for conversion to a non-robotic approach

    Time frame: intra-operative

  2. Primary Safety endpoint

    Assessment of adverse events through post-operative follow-up including but not limited to: • Bleeding ▪ Mortality

    Time frame: up to 30 days after surgery

07

Study locations

3 sites
  • Middlesex Hospital
    Middletown, Connecticut 06457, United States
  • St. Jose Mercey Health System
    Ypsilanti, Michigan 48197, United States
  • University of Pennsylvania
    Philadelphia, Pennsylvania 19104, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 10, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02002845
Lead sponsor
Intuitive Surgical
Responsible party
Sponsor
First posted
Dec 6, 2013
Start date
Oct 2013
Primary completion
Feb 2014
Completion
Feb 2014
Last update
Dec 10, 2015

Study contacts

Shilpa Mehendale, MS
study director · Intutive Surgical

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Dec 2015. You cannot join it, but the record below documents what was studied.

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