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CompletedNCT02159703Updated Nov 21, 2019Results posted

A Single-arm Phase II Study of Post-Transoral Robotic Surgery (TORS) Alone to the Primary Tumor Site and Selective Neck Dissection (SND) Followed by Adjuvant Radiation Therapy (+/- Chemotherapy) to the Regional Nodes for Advanced Stage, Human Papilloma Virus (HPV) Positive, Oropharyngeal Cancer

A Phase 2 interventional study of TORS and Adjuvant Radiation Therapy in Oropharyngeal Cancer, sponsored by Abramson Cancer Center at Penn Medicine. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2019-11-21.

Sponsored by Abramson Cancer Center at Penn Medicine · Phase 2, Interventional, and Diagnostic

Phase
Phase 2
Study type
Interventional
Enrollment
60
Allocation
Not applicable
Ages
18 Years and older
Sex
All
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Study summary

To determine 2-year local (primary tumor site) control and toxicity rates in patients receiving adjuvant RT post-TORS, omitting the primary tumor bed, in patients with completely resected, HPV-positive SCCA of the oropharynx.

To determine acute and long-term toxicity rates in patients receiving adjuvant RT post-TORS, omitting the primary tumor bed, in patients with completely resected, HPV-positive SCCA of the oropharynx.

02

Conditions studied

  • Oropharyngeal Cancer

Keywords

  • T1-2 N2 M0,
  • stage IVa SCCA
  • oropharynx
  • negative for PNI,
  • negative surgical margins
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In context

Papilloma

234 studies on the registry are indexed under Papilloma; 28 are open to participants now.

This study's enrollment of 60 is below the median of 100 across 159 interventional studies indexed under Papilloma.

Browse Papilloma studies →

Lead sponsor

Abramson Cancer Center at Penn Medicine is the lead sponsor of 446 studies on the registry; 86 are open to participants now.

Of its 32 completed or terminated interventional studies of FDA-regulated products, 14 (44%) 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

Inclusion criteria

  • Patients 18 years or older Histologically confirmed diagnosis of squamous cell carcinoma of the oropharynx, stage IVa, p16-positive on immunohistochemistry Pathologic T1 or T2 disease, resected with negative margins ( 2mm) Pathologic N2a, N2b, or N2c disease ECOG Performance Status 0-1
  • Patients must sign an informed consent document that indicates they are aware of the investigational nature of the treatment in this protocol as well as the potential risks and benefits - - - Ability to understand and the willingness to provide written informed consent

Exclusion criteria

Exclusion Criteria

  • Prior radiation therapy to the head and neck Prior chemotherapy within the past 5 years Presence of T3 or T4 disease Presence of close (2 mm) or positive margins PNI on TORS resection of the primary cancer Presence of N0 or N1 disease in neck dissection Presence of distant metastatic (M1) disease
  • Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, unstable angina pectoris, connective tissue disease or psychiatric illness/social situations that would limit compliance with study requirements.
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Study design

Phase
Phase 2
Primary purpose
Diagnostic
Allocation
Not applicable
Intervention model
Single group
Enrollment
60 participants (actual)

Study arms

  • Experimental
    Single Arm Phase 2

    Procedure: TORS · Radiation: Adjuvant Radiation Therapy

Interventions

  • ProcedureTORS
  • RadiationAdjuvant Radiation Therapy
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What researchers measure

Primary outcomes

  1. Percentage of Participants With Local Control

    Time frame: 2 years

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Results

Posted Nov 21, 2019

Participant flow

Participant flow — Overall Study
MilestoneSingle Arm Phase 2
Started60
Completed60
Not completed0

Outcome measures

PrimaryPercentage of Participants With Local Control
Time frame:
2 years
Reported as:
Number · percentage of patients
Percentage of Participants With Local Control
percentage of patientsSingle Arm Phase 2
Percentage of Participants With Local Control97.9 (86.1 to 99.7)

Adverse events

Collected over 2 years. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Single Arm Phase 20/60 (0%)18/60 (30%)43/60 (71.7%)
Most frequent serious events
Most frequent serious events
EventSingle Arm Phase 2
Dermatitis radiationInjury, poisoning and procedural complications8/60
Mucositis oralGastrointestinal disorders3/60
AspirationRespiratory, thoracic and mediastinal disorders2/60
DysphagiaGastrointestinal disorders2/60
Esophageal painGastrointestinal disorders1/60
Other Gastrointestinal disordersGastrointestinal disorders1/60
HypoxiaRespiratory, thoracic and mediastinal disorders1/60
Most frequent other events
Showing 10 of 38
Most frequent other events
EventSingle Arm Phase 2
DysgeusiaNervous system disorders40/60
Dermatitits radiationInjury, poisoning and procedural complications39/60
Dry MouthGastrointestinal disorders33/60
Salivary duct inflammationGastrointestinal disorders28/60
FatigueGeneral disorders26/60
DysphagiaGastrointestinal disorders23/60
LymphedemaVascular disorders20/60
AnorexiaMetabolism and nutrition disorders19/60
AlopeciaSkin and subcutaneous tissue disorders18/60
Mucositis oralGastrointestinal disorders18/60

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Single Arm Phase 2
<=18 years0
Between 18 and 65 years45
>=65 years15
Age, Continuous
Age, Continuous(years)Single Arm Phase 2
Mean58.51 ± 9.83
Sex: Female, Male
Sex: Female, Male(Participants)Single Arm Phase 2
Female10
Male50
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Single Arm Phase 2
Hispanic or Latino0
Not Hispanic or Latino60
Unknown or Not Reported0
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Single Arm Phase 2
American Indian or Alaska Native0
Asian1
Native Hawaiian or Other Pacific Islander0
Black or African American1
White58
More than one race0
Unknown or Not Reported0
Region of Enrollment
Region of Enrollment(participants)Single Arm Phase 2
United States60
08

Study locations

1 site
  • Abramson Cancer Center of the University of Pennsylvania
    Philadelphia, Pennsylvania 19104, United States
09

References and documents

Publications

  • Swisher-McClure S, Lukens JN, Aggarwal C, Ahn P, Basu D, Bauml JM, Brody R, Chalian A, Cohen RB, Fotouhi-Ghiam A, Geiger G, Gershowitz J, Livolsi V, Mitra N, Montone K, Newman J, Ojerholm E, O'Malley B Jr, Rajasekaran K, Tan E, Weinstein G, Lin A. A Phase 2 Trial of Alternative Volumes of Oropharyngeal Irradiation for De-intensification (AVOID): Omission of the Resected Primary Tumor Bed After Transoral Robotic Surgery for Human Papilloma Virus-Related Squamous Cell Carcinoma of the Oropharynx. Int J Radiat Oncol Biol Phys. 2020 Mar 15;106(4):725-732. doi: 10.1016/j.ijrobp.2019.11.021. Epub 2019 Nov 27. PubMed 31785337 ↗

Study documents

  • Protocol and statistical analysis plan · Jan 24, 2017

Documents are hosted by the registry — open the source record to download them.

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 21, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT02159703
Lead sponsor
Abramson Cancer Center at Penn Medicine
Responsible party
Sponsor
First posted
Jun 10, 2014
Start date
Feb 2014
Primary completion
Feb 2018
Completion
Feb 2018
Results posted
Nov 21, 2019
Last update
Nov 21, 2019

Study contacts

Alexander Lin, MD
principal investigator · Abramson Cancer Center at Penn Medicine

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

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