De-Escalation Radiotherapy in Patients With Low-Risk HPV-Related Oropharyngeal Squamous Cell Carcinoma (EVADER)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03822897 |
Recruitment Status :
Active, not recruiting
First Posted : January 30, 2019
Last Update Posted : December 13, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Oropharyngeal Cancer | Radiation: Radiation Drug: Cisplatin | Phase 2 |
The standard or usual treatment for this disease includes radiotherapy or radiotherapy combined with chemotherapy or antibody therapy.
These treatments are highly effective at curing most patients with HPV-related cancer of the oropharynx, but short and long-term side effects from treatment can be significant.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 103 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase II Single Arm Trial of Elective Volume Adjusted De-Escalation Radiotherapy (EVADER) in Patients With Low-Risk HPV-Related Oropharyngeal Squamous Cell Carcinoma |
Actual Study Start Date : | February 20, 2019 |
Estimated Primary Completion Date : | December 31, 2023 |
Estimated Study Completion Date : | December 31, 2024 |

Arm | Intervention/treatment |
---|---|
Two Treatment Options
Option #1 - Radiotherapy 35 fractions, 5/wk, 7 wks 70Gy/56Gy Cisplatin 100mg/m2 on day 1, 22 and 43 or 40mg mg/m2/wk for 7 wks Option #2 - Radiation only-35 fraction, 6/wk, 6wks 70Gy/56Gy |
Radiation: Radiation
35 fractions, 5/wk, 7 wks 70Gy/56Gy, or 35 fractions, 6/wk, 6 wks, 70Gy/56Gy, or 35 fractions, 5/wk, 7 wks OR 6/wk, 6 wks 70Gy/56Gy Other Name: No available Drug: Cisplatin 100 mg/m2 on day 1, 22, and 43 or 40 mg/m2 /wk for 7 wks
Other Name: No available |
- Event-free Survival [ Time Frame: 5 years ]Time to first progress event or censoring in year
- Overall Survival [ Time Frame: 5 years ]Time to death or censoring in year
- Local control [ Time Frame: 5 years ]Percentage of patients with local control
- Regional Control [ Time Frame: 5 years ]Percentage of patients with regional control
- Locoregional control [ Time Frame: 5 years ]Percentage of patients with local and regional control
- Distant Metastasis-Free Survival [ Time Frame: 5 years ]Time to distant metastasis or censoring in year

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Patients with pathologically proven diagnosis of HPV-related OPSCC
- Clinical stage T1-3 N0-1 M0 (UICC/AJCC 8th Ed.)
- Patients must be eligible for definitive RT or CRT
- Must be ≥ 18 years of age
- Must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2
- Patient is able (i.e. sufficiently fluent) and willing to complete the quality of life and health economics questionnaires in either English or French
- Patient consent must be appropriately obtained in accordance with applicable local and regulatory requirements. Each patient must sign a consent form prior to enrolment in the trial to document their willingness to participate
- Patients must be accessible for treatment and follow-up. Investigators must assure themselves the patients enrolled on this trial will be available for complete documentation of the treatment, adverse events, and follow-up.
- In accordance with CCTG policy, protocol treatment is to begin within 3 weeks of patient registration
- Women/men of childbearing potential must have agreed to use a highly effective contraceptive method
- The following radiological investigations must be done within 8 weeks of randomization: CT or MR of head and neck (MRI is recommended for base-of-tongue primary tumors); PET-CT scan.
- Patient must consent to provision of, and investigator(s) must confirm location and commit to obtain a representation of formalin-fixed paraffin block of non-cytology tumour tissue in order that the specific correlative marker assays described in Section 12 (Correlative Studies) may be conducted. Please see the Correlative Manual for details
- Patient must consent to provision of samples of blood and plasma (for circulating cell free DNA) in order that the specific correlative marker assays described may be conducted.
- Patients with prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial.
Exclusion Criteria:
- Previous chemotherapy or radiotherapy treatment for head and neck cancer
- Patients with an unknown primary.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03822897
Canada, British Columbia | |
BCCA - Centre for the North | |
Prince George, British Columbia, Canada, V2M 7E9 | |
BCCA - Vancouver Cancer Centre | |
Vancouver, British Columbia, Canada, V5Z 4E6 | |
Canada, Manitoba | |
CancerCare Manitoba | |
Winnipeg, Manitoba, Canada, R3E 0V9 | |
Canada, Newfoundland and Labrador | |
Dr. H. Bliss Murphy Cancer Centre | |
St. John's, Newfoundland and Labrador, Canada, A1B 3V6 | |
Canada, Ontario | |
Juravinski Cancer Centre at Hamilton Health Sciences | |
Hamilton, Ontario, Canada, L8V 5C2 | |
Kingston Health Sciences Centre | |
Kingston, Ontario, Canada, K7L 2V7 | |
Ottawa Hospital Research Institute | |
Ottawa, Ontario, Canada, K1H 8L6 | |
Odette Cancer Centre | |
Toronto, Ontario, Canada, M4N 3M5 | |
University Health Network | |
Toronto, Ontario, Canada, M5G 2M9 | |
Canada, Quebec | |
The Jewish General Hospital | |
Montreal, Quebec, Canada, H3T 1E2 | |
The Research Institute of the McGill University | |
Montreal, Quebec, Canada, H4A 3J1 | |
Hotel-Dieu de Quebec | |
Quebec City, Quebec, Canada, G1R 2J6 | |
CIUSSS de l'Estrie - Centre hospitalier | |
Sherbrooke, Quebec, Canada, J1H 5N4 | |
Canada, Saskatchewan | |
Allan Blair Cancer Centre | |
Regina, Saskatchewan, Canada, S4T 7T1 |
Study Chair: | Scott Bratman | Princess Margaret Cancer Centre, Toronto, ON |
Responsible Party: | Canadian Cancer Trials Group |
ClinicalTrials.gov Identifier: | NCT03822897 |
Other Study ID Numbers: |
HN10 |
First Posted: | January 30, 2019 Key Record Dates |
Last Update Posted: | December 13, 2022 |
Last Verified: | December 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Carcinoma, Squamous Cell Oropharyngeal Neoplasms Squamous Cell Carcinoma of Head and Neck Carcinoma Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type Neoplasms Neoplasms, Squamous Cell Pharyngeal Neoplasms |
Otorhinolaryngologic Neoplasms Head and Neck Neoplasms Neoplasms by Site Pharyngeal Diseases Stomatognathic Diseases Otorhinolaryngologic Diseases Cisplatin Antineoplastic Agents |