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
Incidence of ORN · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
It is very uncertain whether hyperbaric oxygen therapy (HBO) following extractions changes incidence of ORN compared with perioperative antibiotic prophylaxis (penicillin G) following… (very low certainty).
1 finding from 1 review
Adverse effects · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
1 finding from 1 review
Adverse effects were an outcome of interest in the study conducting this comparison, however no mention was made of the presence or absence of any adverse events
1 study · 74 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
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…
Higher total dose radiotherapy (76.8 Gy over 6.4 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 0.78 [0.55, 1.11]
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…
Hyperfractionated/accelerated/split-course radiotherapy showed no clear difference in locoregional control 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
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
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
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 vs conventional, disease free survival: both trials reported this, but substantial clinical and statistical heterogeneity (P = 0.0004, I2 = 92%) meant a pooled analysis was not reported (Analysis 1.3).
2 studies
GRADE not reported
Supportive periodontal therapy (SPT) including mechanical debridement vs Monitoring only, or alternative interventions that do not include mechanical debridement
Outcome not reported · Adults treated for periodontitis and receiving supportive periodontal therapy (SPT)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
0 studies
No studies found
All‐cause 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…
It is very uncertain whether altered fractionation radiotherapy (hyperfractionated and/or… changes mortality compared with conventional (standard) fractionation radiotherapy (very low certainty).
2 findings from 1 review
Quality of life · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer
The review found no eligible studies for this question.
1 finding from 1 review
Overall survival, induction cisplatin + 5-fluorouracil + docetaxel prior to concurrent chemoradiation (cisplatin) vs concurrent chemoradiation (cisplatin) · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer
Induction chemotherapy plus locoregional treatment (radiotherapy… showed no clear difference in overall survival, induction cisplatin + 5-fluorouracil + docetaxel… compared with locoregional treatment (radiotherapy and/or surgery) alone (low certainty).
1 finding from 1 review