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Head and Neck Cancer

Postoperative Radiation Therapy +/- Cetuximab for Head and Neck Cancer (RTOG 0920)
A Phase III Study of Postoperative Radiation Therapy (IMRT) +/- Cetuximab for Locally - Advanced Resected Head and Neck Cancer
Status Conditions Phase Study ID
Recruiting Head and Neck Cancer Phase III RTOG 0920
NCT01311063
Summary
The adjuvant management of completely resected SCCHN is somewhat more controversial. In general, postoperative radiotherapy (PORT) is a standard of care for most stage III/IV and selected stage II resected cases. In the last several years, several high-profile randomized trials have shown that the addition of concurrent chemotherapy to PORT improves outcomes for selected patients. The RTOG led a North American Intergroup trial comparing standard PORT with or without three cycles of high dose concurrent cisplatin. The patient population consisted of individuals who underwent complete resection but had positive resection margins at the primary tumor site, multiple pathologically positive lymph nodes in the neck, or one or more lymph nodes in the neck with extracapsular extension. This study showed the chemo radiotherapy had significantly improved local-regional control (LRC) and disease-free survival (DFS) but not overall survival, compared with PORT alone. The EORTC performed a very similar study of PORT +/- chemotherapy, showing that chemo radiotherapy improved overall survival in addition to LRC and DFS (Bernier 2004).

Bernier, et al. (2005) subsequently performed a meta-analysis of the RTOG and EORTC trials. In this exploratory analysis, the primary subgroups of patients who benefited significantly from the addition of chemotherapy were those with positive resection margins and/or nodal extracapsular extension. Other patients did not have a significant benefit from high dose concurrent cisplatin. Specifically in RTOG 95-01, this refers to patients with multiple positive nodes (pN2) without extracapsular spread (ECS). In the EORTC study, this refers to a potpourri of patients, including: pathologic T3-4, N0 cancers (except T3, N0 larynx cancer), perineural and/or vascular invasion irrespective of T-stage, or oral/oropharynx cancer with lymph node involvement at Level IV or V. The failure of cisplatin to significantly improve survival or other clinical outcomes does not, however, mean that these patients have a very good or excellent prognosis. As shown below in Table 1, multiple series of data report a rate of local-regional failure between 15 and 35% for these patients, despite adjuvant RT. Most patients who suffer local-regional failure cannot be salvaged with additional anti-cancer treatment and proceed to die from their cancer. The exact rate of local-regional failure probably depends upon multiple factors, including the number of clinical risk factors present (as described by the University of Florida), treatment related factors (such as the quality of surgery and/or RT, as well as the amount of time required to deliver treatment), and currently poorly understood biological/molecular features of patients' tumors. These complex factors make it very difficult to compare one study to another, particularly retrospective experiences harvested at different institutions over several decades. A relatively large prospective trial would thus provide valuable information to help physicians and patients more precisely identify the risk factors for local-regional recurrence (and other clinical outcomes) after surgery + RT.
Investigator
George Laramore, MD, PhD
Location    
Olympic Medical Center, Sequim WA 360-683-9895  
Skagit Valley Hospital, Mt. Vernon WA 360-424-2687  
Wenatchee Valley Medical Center, Wenatchee WA 509-665-5800 x5122  
Eligibility Criteria (must meet the following to participate in this study)
  • 3.1 Conditions for Patient Eligibility 3.1.1 Pathologically (histologically) proven diagnosis of squamous cell carcinoma (including variants such as verrucous carcinoma, spindle cell carcinoma, carcinoma NOS, etc.) of the head/neck (oral cavity, oropharynx or larynx); Note: Hypopharynx primaries are excluded because these patients have both a poor prognosis and high likelihood of post-radiation complications.

3.1.2 Clinical stage T1, N1-2 or T2-3, N0-2, M0 including no distant metastases, based upon the following minimum diagnostic workup: 3.1.2.1 General history and physical examination by a Radiation Oncologist and/or Medical Oncologist within 8 weeks prior to registration; 3.1.2.2 Examination by an ENT or Head & Neck Surgeon, including laryngopharyngoscopy (mirror and/or fiberoptic and/or direct procedure), within 8 weeks prior to registration; 3.1.2.3 Chest x-ray (at a minimum) or chest CT scan (with or without contrast) or CT/PET of chest (with or without contrast) within 8 weeks prior to registration. 3.1.3 Gross total resection of the primary tumor with curative intent must be completed within 7 weeks of registration with surgical pathology demonstrating one or more of the following "intermediate" risk factors: 3.1.3.1 Perineural invasion; 3.1.3.2 Lymphovascular invasion; 3.1.3.3 Single lymph node > 3 cm or ≥ 2 lymph nodes (all < 6 cm) [no extracapsular extension]; 3.1.3.4 Close margin(s) of resection, defined as cancer extending to within 5 mm of a surgical margin; 3.1.3.5 T3 or microscopic T4a primary tumor (Note: Gross T4a or T4b is ineligible); 3.1.3.6 T2 oral cavity cancer with > 5 mm depth of invasion. 3.1.4 Zubrod Performance Status of 0-1 within 2 weeks prior to registration; 3.1.5 Age ≥ 18; 3.1.6 CBC/differential obtained within 4 weeks prior to registration on study, with adequate bone marrow function defined as follows: 3.1.6.1 Absolute granulocyte count (AGC) ≥ 1,500 cells/mm3; 3.1.6.2 Platelets ≥ 100,000 cells/mm3; RTOG 0920 18 3.1.6.3 Hemoglobin ≥ 8.0 g/dl (Note: The use of transfusion or other intervention to achieve Hgb ≥ 8.0 g/dl is acceptable). 3.1.7 Adequate hepatic function, defined as follows: 3.1.7.1 Total bilirubin < 2 x institutional ULN within 2 weeks prior to registration; 3.1.7.2 AST or ALT < 3 x institutional ULN within 2 weeks prior to registration.

3.1.8 Adequate renal function, defined as follows: 3.1.8.1 Serum creatinine < 2 x institutional ULN within 2 weeks prior to registration or; creatinine clearance (CC) ≥ 50 ml/min within 2 weeks prior to registration determined by 24- hour collection or estimated by Cockcroft-Gault formula: CCr male = [(140 - age) x (wt in kg)] [(Serum Cr mg/dl) x (72)] CCr female = 0.85 x (CrCl male) 3.1.9 Negative serum pregnancy test within 2 weeks prior to registration for women of childbearing potential; 3.1.10 (6/4/10) The following assessments are required within 2 weeks prior to the start of registration: Na, K, Cl, glucose, Ca, Mg, and albumin. Note: Patients with an initial magnesium < 0.5 mmol/L (1.2 mg/dl) may receive corrective magnesium supplementation but should continue to receive either prophylactic weekly infusion of magnesium and/or oral magnesium supplementation (e.g., magnesium oxide) at the investigator's discretion. 3.1.11 Women of childbearing potential and male participants who are sexually active must agree to use a medically effective means of birth control; 3.1.12 Patients must provide study specific informed consent prior to study entry, including consent for mandatory tissue submission for EGFR and for oropharyngeal patients, HPV analyses.

Exclusions (conditions that would prevent participation in this study)
  • 3.2.1 Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of 3 years; noninvasive cancers (For example, carcinoma in situ of the breast, oral cavity, or cervix are all permissible) are permitted even if diagnosed and treated < 3 years ago.

Patients with simultaneous primaries or bilateral tumors are excluded. 3.2.2 Per the operative report, positive margin(s) [defined as tumor present at the cut or inked edge of the tumor], nodal extracapsular extension, and/or gross residual disease after surgery; 3.2.3 Prior systemic chemotherapy or anti-EGF therapy for the study cancer; note: prior chemotherapy or anti-EGF therapy for a different cancer is allowable. See section 3.2.1.

3.2.4 Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields; 3.2.5 Severe, active co-morbidity, defined as follows: 3.2.5.1 Unstable angina and/or congestive heart failure requiring hospitalization within 6 months prior to registration; 3.2.5.2 Transmural myocardial infarction within 6 months prior to registration; 3.2.5.3 Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration; 3.2.5.4 Chronic Obstructive Pulmonary Disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration; 3.2.5.5 Idiopathic pulmonary fibrosis or other severe interstitial lung disease that requires oxygen therapy or is thought to require oxygen therapy within 1 year prior to registration; 3.2.5.6 Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects; note, however, that laboratory tests for coagulation parameters are not required for entry into this protocol.

3.2.5.7 Acquired Immune Deficiency Syndrome (AIDS) based upon current CDC definition; note: HIV testing is not required for entry into this protocol. The need to exclude patients with AIDS from this protocol is necessary because the treatments involved in this protocol may be significantly immunosuppressive. Protocol-specific requirements may also exclude immuno-compromised patients. 3.2.5.8 (6/4/10) Grade 3-4 electrolyte abnormalities (CTCAE, v. 4.0):

Last Updated
September 24, 2013
See this trial at ClinicalTrials.gov
Access protocol and consent forms at Fred Hutchinson Cancer Research Center
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Please remember:
  • Talk to your health care providers first before making decisions about your health care.
  • Whether you are eligible for a research study depends on many things. There are specific requirements to be in research studies. These requirements are different for each study.