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Clinical Trial NCT07044635 (RAD RAPTORS) for Oropharyngeal Squamous Cell Carcinoma, HPV-mediated Oropharyngeal Squamous Cell Carcinoma is recruiting. See the Trial Radar Card View and AI discovery tools for all the details. Or ask anything here.
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Shortened Course of Radiation Therapy After Trans-oral Robotic Surgery in Patients With HPV-Mediated Oropharyngeal Squamous Cell Carcinoma. (RAD RAPTORS) Phase 2 42

Recruiting
Clinical Trial NCT07044635 (RAD RAPTORS) is designed to study Treatment for Oropharyngeal Squamous Cell Carcinoma, HPV-mediated Oropharyngeal Squamous Cell Carcinoma. It is a Phase 2 interventional study that is recruiting, having started on July 23, 2025, with plans to enroll 42 participants. Led by University of Utah, it is expected to complete by August 1, 2030. The latest data from ClinicalTrials.gov was last updated on February 27, 2026.
Brief Summary
The goal of this study is to evaluate if a shorter course of therapy can improve the quality of life in patients receiving radiation therapy after trans-oral robotic surgery.
Official Title

Radiation Therapy in Reduced Dose and Hypofractionated Schedule After Trans-Oral Robotic Surgery in Intermediate Risk HPV-Mediated Oropharyngeal Squamous Cell Carcinoma

Conditions
Oropharyngeal Squamous Cell CarcinomaHPV-mediated Oropharyngeal Squamous Cell Carcinoma
Other Study IDs
  • RAD RAPTORS
  • HCI191152
NCT ID Number
Start Date (Actual)
2025-07-23
Last Update Posted
2026-02-27
Completion Date (Estimated)
2030-08
Enrollment (Estimated)
42
Study Type
Interventional
PHASE
Phase 2
Status
Recruiting
Primary Purpose
Treatment
Design Allocation
Non-Randomized
Interventional Model
Parallel
Masking
None (Open Label)
Arms / Interventions
Participant Group/ArmIntervention/Treatment
Experimental10 fractions of radiation therapy
Radiation Therapy
Reduced dose and Hypofractionated radiation therapy
Active ComparatorRadiation therapy with chemotherapy, if applicable, per standard of care
Radiation Therapy
Reduced dose and Hypofractionated radiation therapy
Primary Outcome Measures
Outcome MeasureMeasure DescriptionTime Frame
Stable or improved FACT-HN at 6 months post-treatment compared to baseline.
To evaluate if a shorter course of therapy can improve quality of life in patients receiving adjuvant radiation therapy after TORS.
2 years
Secondary Outcome Measures
Outcome MeasureMeasure DescriptionTime Frame
The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by type.
To assess the safety and tolerability of reduced-dose adjuvant radiation therapy in the study population.
2 years
The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by severity (as defined by the NIH CTCAE, version 5.0).
To assess the safety and tolerability of reduced-dose adjuvant radiation therapy in the study population.
2 years
The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by seriousness.
To assess the safety and tolerability of reduced-dose adjuvant radiation therapy in the study population.
2 years
The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by duration.
To assess the safety and tolerability of reduced-dose adjuvant radiation therapy in the study population.
2 years
The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by relationship to study drug.
To assess the safety and tolerability of reduced-dose adjuvant radiation therapy in the study population.
2 years
Progression-free survival (PFS) as defined as the time from surgery to the time of recurrence or death from any cause.
To assess PFS at 1-year post-radiation.
4 years
Overall survival (OS) as defined as the time from registration until death from any cause.
To assess overall survival in this study population.
4 years
The proportion of participants who experience local-regional recurrence.
To assess the local-regional recurrence rate.
4 years
The proportion of participants who experience distant recurrence.
To assess the distant recurrence rate.
4 years
The proportion of participants who experience recurrence.
To assess the overall recurrence rate.
4 years
Stable or improved MDADI defined by patient quality of life.
To assess patient-reported quality of life.
4 years
Stable or improved FACT-HN at 12 months post-treatment compared to baseline.
To evaluate if a shorter course of therapy can improve quality of life in patients receiving adjuvant radiation therapy after TORS.
4 years
This endpoint is restricted to participants who are able to work prior to treatment. Of those participants, the proportion who remain able to work 6 months after treatment as assessed by the FACT-HN.
To evaluate the ability for participants to return to work after a shorter course of adjuvant radiation therapy following TORS.
4 years
Participation Assistant
Eligibility Criteria

Eligible Ages
Adult, Older Adult
Minimum Age
18 Years
Eligible Sexes
All
Step 1 Registration: Pre-Operative Eligibility
  • Participant aged ≥ 18 years.

  • Diagnosis of oropharyngeal squamous cell carcinoma.

  • Eligible to receive transoral robotic surgery.

  • If status is known, p16 positivity or HPV positivity by in situ hybridization on pathological sampling of lymph node or primary oropharyngeal tumor. If status not known at the time of step-1 registration, otherwise eligible participants may be enrolled and HPV/p16 status must be determined prior to step-2 registration.

  • Pre-operative TTMV-HPV DNA test collected or is planned to be collected. Pre-operative TTMV-HPV DNA may be collected anytime up until the day of surgery as long as it is prior to surgery.

    • Standard of care tests completed within 60 days of registration may be used for screening.
    • Tests results are not required to confirm eligibility for step 1 registration.
  • ECOG Performance Status ≤ 2

  • Able to provide informed consent and willing to sign an approved consent form that conforms to federal and institutional guidelines.

  • History of prior mucosal head and neck cancer treated with radiation therapy
  • Prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of this study
  • Participant has smoked cigarettes within 1 month of registration
  • Prior systemic anti-cancer therapy or any investigational therapy ≤ 14 days or within five half-lives prior to starting study treatment, whichever is shorter.
  • Known distant metastatic disease.
  • Current evidence of any condition that would, in the Investigator's judgment, contraindicate the participant's participation in the clinical study due to safety concerns or compliance with clinical study procedures (e.g., infection/inflammation, intestinal obstruction, unable to swallow medication, \[participants may not receive the drug through a feeding tube\], social/ psychological issues, etc.)
  • Medical, psychiatric, cognitive, or other conditions that may compromise the participant's ability to understand the participant information, give informed consent, comply with the study protocol or complete the study.

Step 2 Registration - Experimental Arm

Inclusion Criteria:

  • Completion of trans-oral robotic surgery.

  • Pre- and post-operative TTMV-HPV DNA test results obtained.

  • P16 positivity or HPV positivity by in situ hybridization on pathological sampling of lymph node or primary oropharyngeal tumor

  • For participants of childbearing potential: Negative pregnancy test or evidence of permanent surgical sterilization. The post-menopausal status will be defined as having been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply:

    • < 50 years of age:

      • Amenorrheic for ≥ 12 months following cessation of exogenous hormonal treatments; and
      • Luteinizing hormone and follicle-stimulating hormone levels in the post-menopausal range for the institution
    • ≥ 50 years of age:

      • Amenorrheic for 12 months or more following cessation of all exogenous hormonal treatments; or
      • Had radiation-induced menopause with last menses >1 year ago; or
      • Had chemotherapy-induced menopause with last menses >1 year
  • Participants of childbearing potential must agree to use a highly effective method of contraception as described in Section 5.5.2.

Exclusion Criteria:

  • Meets ALL of the following criteria for low-risk disease (Note: participants may meet some without being excluded):

    • Pre-operative TTMV-HPV DNA positive
    • Post-operative TTMV-HPV DNA negative
    • Disease: pT1 with ≤ 1 lymph nodes OR pT2N0
    • <10 pack year smoking
    • No extranodal extension
    • Negative surgical margins
    • No perineural invasion
    • No lymphovascular invasion
  • Meets ANY of the following criteria for high-risk:

    • Post-operative TTMV-HPV DNA positive
    • Surgical margin positive -->1 mm extranodal extension --≥ 5 lymph nodes
  • Current evidence of any condition that would, in the Investigator's judgment, contraindicate the participant's participation in the clinical study due to safety concerns or compliance with clinical study procedures (e.g., infection/inflammation, intestinal obstruction, unable to swallow medication, \[participants may not receive the drug through a feeding tube\], social/ psychological issues, etc.)

Step 2 Registration - Exploratory Arm Inclusion Criteria

  • Completion of trans-oral robotic surgery.

  • Pre- and post-operative TTMV-HPV DNA test results obtained.

  • Meets ANY of the following criteria:

  • Post-operative TTMV-HPV DNA positive or indeterminate

  • Surgical margin positive

  • >1 mm extranodal extension

  • ≥5 lymph nodes

  • Pre-operative TTMV-HPV DNA score of ≤ 50

  • For participants of child bearing potential: Negative pregnancy test or evidence of permanent surgical sterilization. The post-menopausal status will be defined as having been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply:

    • < 50 years of age:

      • Amenorrheic for ≥ 12 months following cessation of exogenous hormonal treatments; and
      • Luteinizing hormone and follicle-stimulating hormone levels in the post-menopausal range for the institution
    • ≥ 50 years of age:

      • Amenorrheic for 12 months or more following cessation of all exogenous hormonal treatments; or
      • Had radiation-induced menopause with last menses >1 year ago; or
      • Had chemotherapy-induced menopause with last menses >1 year
  • Participants of childbearing potential must agree to use a highly effective method of contraception as described in Section 5.5.2.

Exclusion Criteria

  • Pre-operative TTMV-HPV DNA score of > 50.
  • Current evidence of any condition that would, in the Investigator's judgment, contraindicate the participant's participation in the clinical study due to safety concerns or compliance with clinical study procedures (e.g., infection/inflammation, intestinal obstruction, unable to swallow medication, \[participants may not receive the drug through a feeding tube\], social/ psychological issues, etc.).
Study Central Contact
Contact: Rachel Kingford, 8015850115, [email protected]
Contact: Shane Lloyd, 801-585-0255, [email protected]
1 Study Locations in 1 Countries

Utah

Huntsman Cancer Institute/University of Utah, Salt Lake City, Utah, 84112, United States
Rachel Kingsford, Contact, 801-585-0115, [email protected]
Shane Lloyd, Contact, 801-585-0255, [email protected]
Recruiting