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HPV Related Oropharyngeal Squamous Cell CarcinomaPhase 2MINTNCT03621696

Surgery Followed by Risk-Directed Post-Operative Adjuvant Therapy for HPV-Related Oropharynx Squamous Cell Carcinoma: "The Minimalist Trial (MINT)"

A Phase 2 study testing Cisplatin, Intensity modulated radiation therapy and Intensity modulated proton therapy in people with HPV Related Oropharyngeal Squamous Cell Carcinoma, run by Washington University School of Medicine at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The overarching goal of the MINT trial is to reduce treatment-related toxicity while maintaining efficacy. Patients with HPV-related oropharyngeal squamous cell carcinoma (OPSCC) will undergo resection of the primary tumor site and involved/at risk regional neck nodes. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Cisplatin, Intensity modulated radiation therapy and Intensity modulated proton therapy
Could I receive a placebo?
No, everyone receives an active treatment
How many people
63 participants
Where
1 siteUnited States
Study dates
23 Oct 2018to 17 Mar 2026
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Histologically or cytologically confirmed HPV-related stages I-III OPSCC (8th edition of AJCC/UICC Staging Manual) or HPV-related neck node with unknown primary. HPV-related may be defined by p16 IHC stain and/or HPV-ISH or PCR using standard definitions of positive and negative test results.
  • Primary tumor that will be resected via a transoral oral approach (conventional surgery, transoral laser microsurgery, transoral robotic surgery)
  • Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) 0-2.
  • Normal organ and marrow function defined as:
  • Creatinine clearance > 50 cc/min.
  • ANC > 1,000/mcL.
Show all 10Show fewer
  • Platelet count >100,000/mcL.
  • At least 18 years of age.
  • Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately.
  • Patient (or legally authorized representative) must be able to understand and willing to sign a written informed consent document.

Who cannot join

  • Prior curative therapy for HNSCC.
  • Patient must not have known distant metastatic disease at presentation.
  • History of prior invasive malignancy diagnosed within 2 years prior to study enrollment; exceptions are malignancies with a low risk of metastasis or death (e.g., expected 5-year overall survival (OS) > 90%) that were treated with an expected curative outcome, such as squamous cell carcinoma of the skin, in-situ carcinoma of the cervix uteri, non-melanomatous skin cancer, carcinoma in situ of the breast, or incidental histological finding of prostate cancer (TNM stage of T1a or T1b).
  • Receiving any other investigational agents.
  • Uncontrolled serious inter-current illness or serious psychiatric illness/social situations that would limit compliance with study requirements.
  • Pregnant and/or breastfeeding. A negative serum or urine pregnancy test is required at screening for all female patients of childbearing potential.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Washington University School of Medicine

    St Louis, Missouri, 63110

Other trials in United States

About this study

Official title: Phase II Trial of Surgery Followed by Risk-Directed Post-Operative Adjuvant Therapy for HPV-Related Oropharynx Squamous Cell Carcinoma: "The Minimalist Trial (MINT)"

The overarching goal of the MINT trial is to reduce treatment-related toxicity while maintaining efficacy. Patients with HPV-related oropharyngeal squamous cell carcinoma (OPSCC) will undergo resection of the primary tumor site and involved/at risk regional neck nodes.

Being tested
Cisplatin, Intensity modulated radiation therapy, Intensity modulated proton therapy, Surgery, FACT-H&N

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CisplatinDrug

    Also called Platinol®, Platinol-AQ®

    -100 mg/m^2 intravenous push bolus (IVPB)

  • Intensity modulated radiation therapyRadiation

    Also called IMRT

    -IMRT or IMPT can be used

  • Intensity modulated proton therapyRadiation

    Also called IMPT

    -IMRT or IMPT can be used

  • SurgeryProcedure or surgery

    -Standard of care

  • FACT-H&NOther

    -Baseline, interim assessment (14-42 days post-surgery), day 1 of radiation, day 21 of radiation, day 36 of radiation, 6 weeks after completion of adjuvant therapy, 4 months after the completion of adjuvant therapy, 6 months after the completion of adjuvant therapy, 12 months after the completion of adjuvant therapy, and 24 months after completion of adjuvant therapy

  • MD Anderson Dysphagia InventoryOther

    -Baseline, interim assessment (14-42 days post-surgery), day 1 of radiation, day 21 of radiation, day 36 of radiation, 6 weeks after completion of adjuvant therapy, 4 months after the completion of adjuvant therapy, 6 months after the completion of adjuvant therapy, 12 months after the completion of adjuvant therapy, and 24 months after completion of adjuvant therapy

  • University of Michigan Xerostomia IndexOther

    -Baseline, interim assessment (14-42 days post-surgery), day 1 of radiation, day 21 of radiation, day 36 of radiation, 6 weeks after completion of adjuvant therapy, 4 months after the completion of adjuvant therapy, 6 months after the completion of adjuvant therapy, 12 months after the completion of adjuvant therapy, and 24 months after completion of adjuvant therapy

  • Scale of Subjective Total Taste AcuityOther

    -Baseline, interim assessment (14-42 days post-surgery), day 1 of radiation, day 21 of radiation, day 36 of radiation, 6 weeks after completion of adjuvant therapy, 4 months after the completion of adjuvant therapy, 6 months after the completion of adjuvant therapy, 12 months after the completion of adjuvant therapy, and 24 months after completion of adjuvant therapy

  • Neck Dissection Impairment IndexOther

    -Baseline, interim assessment (14-42 days post-surgery), day 1 of radiation, day 21 of radiation, day 36 of radiation, 6 weeks after completion of adjuvant therapy, 4 months after the completion of adjuvant therapy, 6 months after the completion of adjuvant therapy, 12 months after the completion of adjuvant therapy, and 24 months after completion of adjuvant therapy

Study groups in NCT03621696
Study groupRoleWhat they receive
Arm 1: POAmCRTExperimental* Patients with extracapsular extension (ECE) or positive margin but not clinical or pathologic T4 or clinical N3 disease * Standard of care surgery (surgical resection of the primary tumor via a transoral approach and surgical management of cervical lymph nodes * Treated with post-operative adjuvant modified chemoradiation therapy (POAmCRT) which is 42 Gy radiation therapy in 21 doses and 1 dose of cisplatin. * It is recommended that radiation therapy begin within 28-49 days (no later than 56 days) after surgical resection * Intensity modulated radiation therapy (IMRT) or intensity modulated proton therapy (IMPT) is to be used for this study
Receives: Drug: Cisplatin; Radiation: Intensity modulated radiation therapy; Radiation: Intensity modulated proton therapy; Procedure: Surgery; Other: FACT-H&N; Other: MD Anderson Dysphagia Inventory; Other: University of Michigan Xerostomia Index; Other: Scale of Subjective Total Taste Acuity; Other: Neck Dissection Impairment Index
Arm 2: POAmRTExperimental* Patients with no extracapsular extension (ECE) and no positive margins and not clinical or pathologic T4 or clinical N3 disease * Standard of care surgery (surgical resection of the primary tumor via a transoral approach and surgical management of cervical lymph nodes * Treated with post-operative adjuvant modified radiation therapy (POAmRT) which is 42 Gy radiation therapy in 21 doses * It is recommended that radiation therapy begin within 28-49 days (no later than 56 days) after surgical resection * Intensity modulated radiation therapy (IMRT) or intensity modulated proton therapy (IMPT) is to be used for this study
Receives: Radiation: Intensity modulated radiation therapy; Radiation: Intensity modulated proton therapy; Procedure: Surgery; Other: FACT-H&N; Other: MD Anderson Dysphagia Inventory; Other: University of Michigan Xerostomia Index; Other: Scale of Subjective Total Taste Acuity; Other: Neck Dissection Impairment Index
Arm 3: POACRTExperimental* Patients with clinical or pathologic T4 or clinical N3 disease * Standard of care surgery (surgical resection of the primary tumor via a transoral approach and surgical management of cervical lymph nodes * Treated with post-operative adjuvant chemoradiation therapy (POACRT) which is 60 Gy radiation therapy in 30 doses and 3 doses of cisplatin (if there is pathologic evidence of ECE or positive margins) * The first dose of cisplatin will given on one of the days during the initial 5 days of radiation therapy, the 2nd dose on the day of radiation dose 16, and the 3rd dose on the day of radiation dose 26. * It is recommended that radiation therapy begin within 28-49 days (no later than 56 days) after surgical resection * Intensity modulated radiation therapy (IMRT) or intensity modulated proton therapy (IMPT) is to be used for this study
Receives: Drug: Cisplatin; Radiation: Intensity modulated radiation therapy; Radiation: Intensity modulated proton therapy; Procedure: Surgery; Other: FACT-H&N; Other: MD Anderson Dysphagia Inventory; Other: University of Michigan Xerostomia Index; Other: Scale of Subjective Total Taste Acuity; Other: Neck Dissection Impairment Index

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Mean Percent Weight Change

    • Weight in kilograms will be collected weekly during radiation
    • The percent weight loss from the baseline is calculated at any post-baseline

    Measured: Starting at Day 1 and ending on the last day of radiation therapy (approximately 4 weeks)

Secondary outcomes (6)
  1. Proportion of PEG Tube Placements in Each Arm

    -95% confidence intervals will be calculated assuming a binomial distribution

    Measured: Through completion of follow-up (approximately 63 months)

  2. Change in Serum Creatinine

    Measured: Baseline to 6 weeks after POAmCRT (approximately 90 days)

  3. Percentage of Participants Taking Narcotics

    -95% confidence intervals will be calculated assuming a binomial distribution

    Measured: 6 weeks after POAmCRT (approximately 90 days)

  4. Disease Recurrence Rate

    Measured: 24 months post-treatment (approximately 27 months)

  5. Progression-free Survival (PFS)

    Measured: Through completion of follow-up (approximately 63 months)

  6. Overall Survival (OS)

    Measured: Through completion of follow-up (approximately 63 months)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Aug 2018
  2. Study start23 Oct 2018
  3. Primary completion10 Mar 2021
  4. Study completion17 Mar 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
63 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03621696
Sponsor's protocol ID
201808045
Acronym
MINT
Status last verified
Mar 2026
First submitted
26 Jul 2018
Last updated
21 Apr 2026
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Cisplatin, Intensity modulated radiation therapy and Intensity modulated proton therapy in people with HPV Related Oropharyngeal Squamous Cell Carcinoma, run by Washington University School of Medicine at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Apr 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 11 Mar 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Mean Percent Weight Change (time frame: Starting at Day 1 and ending on the last day of radiation therapy (approximately 4 weeks)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Apr 2026.

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