Findings

What do systematic reviews say?

5 questions · 5 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 5 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Radiotherapy (morning) vs Afternoon radiotherapy

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…

Morning radiotherapy showed no clear difference in total mortality compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancer: radiotherapy 2010 · Cochrane All outcomes
2 years
RR 1.09 [0.74, 1.59]
1 study · 216 participants
GRADE not reported

Radiotherapy (morning) vs Afternoon radiotherapy

Quality of life · 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

Interventions for the treatment of oral cavity and oropharyngeal cancer: radiotherapy 2010 · Cochrane All outcomes
Bjarnason 2009: no statistically significant difference in quality of life scores (data not reported). Morning radiotherapy was associated with significantly less weight loss after 5 months.
1 study · 216 participants
GRADE not reported

Radiotherapy (morning) vs Afternoon radiotherapy

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…

Morning radiotherapy showed no clear difference in locoregional control compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancer: radiotherapy 2010 · Cochrane All outcomes
HR 0.92 [0.60, 1.42]
1 study · 216 participants
GRADE not reported

Radiotherapy (morning) vs Radiotherapy (afternoon/evening)

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Radiotherapy (morning) showed no clear difference in oral mucositis (moderate to severe) compared with radiotherapy (afternoon/evening); GRADE not reported.

1 finding from 1 review

Interventions for preventing oral mucositis for patients with cancer receiving treatment 2011 · Cochrane All outcomes
Median 28 days
RR 0.7 [0.48, 1.01]
1 study · 177 participants
GRADE not reported

Radiotherapy (morning) vs Radiotherapy (afternoon/evening)

Oral mucositis (severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

1 finding from 1 review

Interventions for preventing oral mucositis for patients with cancer receiving treatment 2011 · Cochrane All outcomes
Median 28 days
no estimate extracted
2 studies
GRADE not reported