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Prospective, Multicenter da Vinci® SP™ Surgical System TORS Study

A Prospective, Multicenter Investigation of the da Vinci® SP™ Surgical System in TORS Procedures for Resection of Malignant Tumors

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03049280
Enrollment
33
Registered
2017-02-10
Start date
2017-04-17
Completion date
2017-12-26
Last updated
2020-10-06

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

Conditions

Oropharyngeal Cancer

Brief summary

A prospective, multicenter investigation of the da Vinci® SP™ Surgical System in Transoral Robotic Surgery (TORS) procedures for malignant oropharyngeal tumors.

Detailed description

A prospective, multicenter investigation to evaluate the safety and clinical performance of the da Vinci SP Surgical System, instruments, and accessories in TORS procedures for malignant oropharyngeal tumors classified as T1 and T2.

Interventions

Transoral robotic surgery for T1 & T2 oropharyngeal cancers

Sponsors

Intuitive Surgical
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 18 years or older * T1 or T2 malignant oropharyngeal tumor * Tumor amenable to transoral resection * No previous treatment for the index tumor * Willing and able to provide written informed consent * Willing and able to comply with the study protocol requirements

Exclusion criteria

* T3 or T4 stage tumor * Previous radiation treatment to the head and neck, with or without chemotherapy * Evidence of other primary cancers or distant metastasis or subject with synchronous primary tumor excluding skin cancers * Pre-operative expectation of needing microvascular soft-tissue reconstruction * Tumor that invades and/or abuts the internal and/or external carotid artery * Retropharyngeal carotid artery coincident with a tonsillar cancer or posterior pharyngeal wall cancer * Evidence of mandibular invasion of tumor * Eastern Cooperative Oncology Group Performance Status score greater than or equal to 2 * On a medication that interferes with clotting that cannot be stopped prior to surgery * Contraindication for general anesthesia or surgery * Mentally handicapped or has psychological disorder or severe systemic illness that would preclude compliance with study requirements or ability to provide informed consent * Pregnant or suspected to be pregnant

Design outcomes

Primary

MeasureTime frameDescription
PerformanceIntraoperativePerformance defined as the conversion to an open approach required to complete the procedure
Number of Subjects With Device-related Serious Adverse EventsIntraoperative periodSafety is determined by measuring the number of subjects that experience device-related serious adverse events

Secondary

MeasureTime frameDescription
Positive Surgical MarginThrough14-days postoperativelyRate of final positive surgical margins confirmed by pathology

Countries

United States

Participant flow

Recruitment details

Recruitment of study subjects occurred between April 2017 and October 2017 at 3 participating sites

Participants by arm

ArmCount
TORS
Subjects that underwent transoral otolaryngology robotic surgery
33
Total33

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyPhysician Decision1

Baseline characteristics

CharacteristicTORS
Age, Continuous61.8 years
STANDARD_DEVIATION 7.6
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
28 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
1 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
Race (NIH/OMB)
White
30 Participants
Region of Enrollment
United States
33 Participants
Sex: Female, Male
Female
5 Participants
Sex: Female, Male
Male
28 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 33
other
Total, other adverse events
4 / 33
serious
Total, serious adverse events
4 / 33

Outcome results

Primary

Number of Subjects With Device-related Serious Adverse Events

Safety is determined by measuring the number of subjects that experience device-related serious adverse events

Time frame: Intraoperative period

Population: Subject that were eligible to participate and underwent TORS

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
TORSNumber of Subjects With Device-related Serious Adverse Events0 Participants
Primary

Performance

Performance defined as the conversion to an open approach required to complete the procedure

Time frame: Intraoperative

Population: all subjects that were eligible to participate and underwent TORS

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
TORSPerformance0 Participants
Secondary

Positive Surgical Margin

Rate of final positive surgical margins confirmed by pathology

Time frame: Through14-days postoperatively

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
TORSPositive Surgical Margin1 Participants

Source: ClinicalTrials.gov · Data processed: Feb 20, 2026