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STEREO-POSTOP 01 (PostOperative Hypofractionated Stereotactic Body Radiotherapy ) - GORTEC 2017-03

A Multicenter Prospective Phase II Study of Postoperative Hypofractionated Stereotactic Body Radiotherapy (SBRT) in the Treatment of Early Stage Oropharyngeal and Oral Cavity Cancers With High Risk Margins.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03401840
Acronym
STEREOPOSTOP
Enrollment
90
Registered
2018-01-17
Start date
2018-01-23
Completion date
2023-09-28
Last updated
2025-02-13

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

Conditions

Head and Neck Neoplasms

Keywords

Head and neck cancers, Radiation oncology, Stereotactic radiotherapy

Brief summary

The main objective of this national, open-label, non-randomized phase II trial is to evaluate severe late toxicity of postoperative hypofractionated stereotactic radiotherapy (SBRT) in the treatment of early stage oropharyngeal and oral cavity cancer with high risk margins.

Interventions

total dose of 36Gy in 6 fractions over 11-13 days

Sponsors

GORTEC
CollaboratorOTHER
Centre Jean Perrin
Lead SponsorOTHER

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

* Operated squamous cell carcinoma of oral cavity (lips excepted) or oropharynx * pT1 or pT2 ((UICC 7th edition 2009) * Indication of postoperative tumor site irradiation (retained in multidisciplinary tumor board) with at least one of the following criteria : * positive R1 margin (re-resection not proposed) * close margin \< 5 mm (re-resection not proposed) * Margin estimated at risk, with uncertain pathological margin (re-resection not proposed) * N0 after surgical management of the neck (neck dissection or sentinel lymph node biopsy) or pN1 without extracapsular extension (carcinological neck dissection) * Age ≥ 18 years * ECOG status ≤ 2 * Written signed informed consent before any specific procedure of the protocol * Affiliation to a social security scheme or beneficiary of such a scheme

Exclusion criteria

* Other histology than squamous cell carcinoma * pT3 or pT4 * pT2\>3cm and R1 with concurrent chemoradiotherapy decided in multidisciplinary tumor board * Lymphovascular invasion justifying neck irradiation * Neck irradiation decided in multidisciplinary tumor board * Lack of at least one of the following elements : * pre-operative medical imaging (CT scan or MRI) * endoscopy report * surgery report * pathological report * Prior radiotherapy to the head and neck area * Distant metastasis * Pregnant or nursing (lactating) woman * women or men of childbearing age not taking adequate contraceptive measure * participation in another investigational study within 4 weeks prior to inclusion * History of other malignancy within 5 years prior enrollment except for basal cell carcinoma of the skin or carcinoma in situ of the cervix * Persons deprived of their liberty, under guardianship or curatorship, or unable to follow the trial for geographical, social or psychological reasons

Design outcomes

Primary

MeasureTime frameDescription
severe late toxicityfrom 3 months to 2 years following the end of radiotherapy2-year toxicity of grade ≥ 3 related to SBRT according to CTCAE V4.03 classification.

Secondary

MeasureTime frameDescription
Locoregional control2 years following the end of radiotherapy2-year locoregional control rate - Any local (T) or lymph node (N) recurrence will be considered as an event
Acute toxicityfrom the first fraction to 3 months after the end of radiotherapy≤ 3-month toxicity of grade ≥ 3 related to SBRT according to CTCAE V4.03 classification.
disease free survival (DFS)2 years following the end of radiotherapy2-year DFS rate - DFS is time from randomization to the date of first occurrence of any locoregional recurrence, distant progression or death from any cause.
Overall survival (OS)2 years following the end of radiotherapy2-year OS rate - OS is defined as time from randomization to death from any cause
Local control2 years following the end of radiotherapy2-year local control rate - Any local recurrence (T) will be considered as an event.
Quality of life (specific evaluation for Head and Neck Cancer)at baseline, 1 month, 1 year and 2 years post radiotherapyevaluated by EORTC QLQ HN35 module
Nutritional impactduring 2 years following the end of radiotherapyevaluated by weight loss
Nutritional supportduring 2 years following the end of radiotherapyevaluated by the use of feeding tubes
Predictive factors of toxicity2 years following the end of radiotherapyclinical and/or dosimetric factors associated to late severe toxicities (grade ≥ 3 related to SBRT according to CTCAE V4.03 classification).
Quality of life (global evaluation)at baseline, 1 month, 1 year and 2 years post radiotherapyevaluated by EORTC QLQC30

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026