Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Mixed beam (neutron and photon) radiotherapy showed no clear difference in total mortality compared with conventional photon radiotherapy; GRADE not reported.
1 finding from 1 review
Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Pre-operative and post-operative radiotherapy showed no clear difference in disease free survival compared with post-operative radiotherapy alone; GRADE not reported.
1 finding from 1 review
HR 1.13 [0.78, 1.64]
1 study
GRADE not reported
Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Pre-operative and post-operative radiotherapy showed no clear difference in locoregional control compared with post-operative radiotherapy alone; GRADE not reported.
1 finding from 1 review
HR 1.13 [0.78, 1.64]
1 study
GRADE not reported
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Pre-operative and post-operative radiotherapy showed no clear difference in total mortality compared with post-operative radiotherapy alone; GRADE not reported.
1 finding from 1 review
HR 0.67 [0.35, 1.28]
1 study
GRADE not reported
Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Accelerated radiotherapy with concomitant boost showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.
1 finding from 1 review
Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review
Accelerated/boost vs conventional, disease free survival: all four trials provided data; pooled estimate showed a statistically significant difference in favour of the accelerated/boost schedule, with statistical…
4 studies · 1203 participants
GRADE not reported
Altered fractionation radiotherapy plus chemotherapy vs Chemoradiotherapy with standard (conventional) fractionation
Outcome not reported · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
The review found no eligible studies for this question.
1 finding from 1 review
Locoregional recurrence · Adults with oral cavity or oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer
It is very uncertain whether surgery plus radiotherapy changes total mortality compared with radiotherapy alone (very low certainty).
1 finding from 1 review
Disease-free survival · Adults with oral cavity or oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review
Recurrence · Adults with oral cavity or oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review
Adverse events associated with treatment · Adults with oral cavity or oropharyngeal cancer
1 finding from 1 review
Adverse events: severe acute effects in both groups (subcutaneous fibrosis, telangiectasia, moderate-to-severe oedema, xerostomia, trismus, dysphagia); subcutaneous fibrosis more prevalent with surgery + radiotherapy…
1 study · 35 participants
Very low
Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in locoregional control compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.
1 finding from 1 review
HR 1.13 [0.78, 1.64]
1 study
GRADE not reported
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in total mortality compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.
1 finding from 1 review
HR 1.38 [0.83, 2.29]
1 study
GRADE not reported
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review
Hyperfractionated/accelerated split course vs accelerated boost (Fu 1995, feasibility study, 75 participants): authors report no significant difference in total mortality; data not presented in a way that allows…
1 study · 75 participants
GRADE not reported
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Higher total dose radiotherapy (76.8 Gy over 6.4 weeks) showed no clear difference in total mortality compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.
1 finding from 1 review
HR 1.08 [0.69, 1.70]
1 study
GRADE not reported
Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
Hyperfractionated/accelerated/split-course radiotherapy showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.
1 finding from 1 review
Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review
Hyperfractionated/accelerated/split vs conventional, disease free survival: two trials (Fu 2000, Olmi 2003); results contradictory with substantial statistical heterogeneity (P = 0.02, I2 = 82%); no pooled estimate…
2 studies
GRADE not reported
Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review