Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Ascertain the 2-year disease-free survival post salvage surgery |
Ascertain the 2-year disease-free survival post salvage surgery for recurrent/ residual/ new primary head and neck SCC (split cohort of prospective and retrospective patients) |
Study duration is 3 years to include 1 year recruitment period. Active follow-up for patients is up to 2 years. |
|
Secondary |
Define the 2- and 5-year overall and disease specific survival in retrospectively identified patients |
Define the 2- and 5-year overall and disease specific survival in retrospectively identified patients undergoing salvage surgery for recurrent/ residual/ new primary head and neck SCC |
Study duration is 3 years to include 1 year recruitment period. Active follow-up for prospective patients is up to 2 years. Follow-up for retrospective patients is up to 5 years. |
|
Secondary |
Define the 2 year overall and disease specific survival in prospectively identified patients |
Define the 2 year overall and disease specific survival in prospectively identified patients undergoing salvage surgery for recurrent/ residual/ new primary head and neck SCC |
Study duration is 3 years to include 1 year recruitment period. Active follow-up for patients is up to 2 years. |
|
Secondary |
Report on gross functional outcomes by documenting rates of gastrostomy and tracheostomy dependence at 1-year post-salvage surgery. |
Report on gross functional outcomes by documenting rates of gastrostomy and tracheostomy dependence at 1-year post-salvage surgery. |
Study duration is 3 years with up to 2 years follow-up in prospective and up to 5 years follow-up in retrospective patients. Functional outcomes will be measured from the date of surgery. |
|
Secondary |
For the prospective cohort assess the overall quality-of-life outcomes pre-operatively and at 6- and 12-months post-surgery using validated questionnaires. |
For the prospective cohort assess the overall quality-of-life outcomes at pre-operatively and at 6- and 12-months post-surgery using validated University of Washington Quality of Life questionnaire. |
University of Washing Quality of life questionnaire distributed pre-operatively, 6 months and 12 months. |
|
Secondary |
For the prospective cohort assess the swallow-related quality-of-life outcomes at pre-operatively and at 6- and 12-months post-surgery using validated questionnaires. |
For the prospective cohort assess the swallow-related quality-of-life outcomes pre-operatively and at 6- and 12-months post-surgery using validated questionnaires. |
MD Anderson Dysphagia Inventory distributed pre-operatively, 6 months and 12 months. |
|
Secondary |
Estimate the rates of close and involved surgical margins across all surgical salvage procedures |
Estimate the rates of close and involved surgical margins across all surgical salvage procedures |
Through study completion, expected duration of 3 years |
|
Secondary |
Determine the impact of close and involved margins on overall survival outcomes |
Determine the impact of close and involved margins on overall survival outcomes |
Through study completion, expected duration of 3 years |
|
Secondary |
Determine the impact of close and involved margins on disease-free survival outcomes |
Determine the impact of close and involved margins on disease-free survival outcomes |
Through study completion, expected duration of 3 years |
|
Secondary |
Determine the impact of close and involved margins on disease-specific survival outcomes |
Determine the impact of close and involved margins on disease-specific survival outcomes |
Through study completion, expected duration of 3 years |
|
Secondary |
Establish the rates of super-selective, selective and modified/ radical salvage neck dissection in clinically N0 and N+ necks |
Establish the rates of super-selective, selective and modified/ radical salvage neck dissection in clinically N0 and N+ necks |
Through study completion, expected duration of 3 years |
|
Secondary |
Ascertain how the extent of salvage neck dissection influences overall survival outcomes. |
Ascertain how the extent of salvage neck dissection influences overall survival outcomes. |
Through study completion, expected duration of 3 years |
|
Secondary |
Ascertain how the extent of salvage neck dissection influences disease-free survival outcomes. |
Ascertain how the extent of salvage neck dissection influences disease-free survival outcomes. |
Through study completion, expected duration of 3 years |
|
Secondary |
Ascertain how the extent of salvage neck dissection influences disease-specific survival outcomes. |
Ascertain how the extent of salvage neck dissection influences disease-specific survival outcomes. |
Through study completion, expected duration of 3 years |
|
Secondary |
Estimate the rate of occult nodal metastasis in clinically N0 necks with locally recurrent disease |
Estimate the rate of occult nodal metastasis in clinically N0 necks with locally recurrent disease |
Through study completion, expected duration of 3 years |
|
Secondary |
Describe the impact of neck dissection on overall survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Describe the impact of neck dissection on overall survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Through study completion, expected duration of 3 years |
|
Secondary |
Describe the impact of neck dissection on disease-free survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Describe the impact of neck dissection on disease-free survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Through study completion, expected duration of 3 years |
|
Secondary |
Describe the impact of neck dissection on disease-specific survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Describe the impact of neck dissection on disease-specific survival outcomes in patients with clinically N0 necks with and without subsequent occult nodal disease |
Through study completion, expected duration of 3 years |
|
Secondary |
Using multi-variate analysis, establish the clinical prognostic indicators of overall, disease free and disease specific survival. |
Establish the clinical prognostic indicators of positive survival and functional outcomes |
Through study completion, expected duration of 3 years |
|
Secondary |
Using multi-variate analysis, establish the clinical prognostic indicators 12 month tracheostomy and gastrostomy dependence. |
Establish the clinical prognostic indicators of functional outcomes |
Through study completion, expected duration of 3 years |
|
Secondary |
Compare the DNA genetic and epigenetic changes in residual, recurrent, and new primary head and neck squamous cell carcinoma with primary tumour and germline DNA samples. |
Assess the molecular makeup of head and neck tumours that have not responded to radiotherapy treatment, or which recur having previously responded. |
Through study completion, expected duration of 3 years |
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