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Evidence found and GRADE certainty

16 questions · 16 findings · 4 reviews · Oral medicine and oral cancer · related questions CL0289

No studies found 3 · 18.8%GRADE not reported 6 · 37.5%Very low 4 · 25%Low 2 · 12.5%Moderate 1 · 6.3%High 0 · 0%

PET-CT following chemoradiotherapy (neck dissection only if no/incomplete response) vs Planned neck dissection before or after chemoradiotherapy

Disease-free survival · Adults with oral cavity or oropharyngeal cancer with nodal disease (stage N2 or N3)
1 finding from 1 review

Amifostine vs no treatment/placebo

Disease-free survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine showed no clear difference in disease-free survival compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell wall preparation) plus standard therapy vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Disease-free survival · People with squamous cell carcinoma of the oral cavity or oropharynx

It is very uncertain whether non-specific immunotherapy (recombinant interleukin-2 or BCG cell… changes disease-free survival compared with standard therapy alone (very low certainty).

1 finding from 1 review

Tyrosine kinase inhibitor (erlotinib, gefitinib or lapatinib) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Disease-free survival · People with squamous cell carcinoma of the oral cavity or oropharynx

It is very uncertain whether tyrosine kinase inhibitor (erlotinib, gefitinib or lapatinib) plus… changes disease-free survival compared with standard therapy alone (radiotherapy or chemoradiotherapy) (very low certainty).

1 finding from 1 review

Chemotherapy regimen A (+/- locoregional treatment) vs Chemotherapy regimen B (+/- locoregional treatment)

Disease-free survival · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer
1 finding from 1 review

Superselective neck dissection vs Elective selective neck dissection

Disease-free survival · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes
1 finding from 1 review

Sentinel node biopsy (neck dissection only if biopsy positive) vs Elective neck dissection

Disease-free survival · Adults with oral cavity or oropharyngeal cancer

Sentinel node biopsy (neck dissection only if biopsy positive) showed no clear difference in disease-free survival (new disease, progression, and mortality) compared with elective neck dissection (low certainty).

1 finding from 1 review

Elective neck dissection (at time of primary tumour resection) vs Therapeutic (delayed) neck dissection

Disease-free survival · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes

Elective neck dissection (at time of primary tumour resection) probably leads to lower disease-free survival (new disease, progression, and mortality) compared with therapeutic (delayed) neck dissection (moderate certainty).

1 finding from 1 review

Elective radical (comprehensive) neck dissection vs Elective selective neck dissection

Disease-free survival · Adults with oral cavity cancer

It is very uncertain whether elective radical (comprehensive) neck dissection changes disease-free survival (new disease, progression, and mortality) compared with elective selective neck dissection (very low certainty).

1 finding from 1 review

Concomitant (concurrent) chemoradiotherapy vs Radiotherapy alone

Disease-free survival · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Concomitant (concurrent) chemoradiotherapy led to lower disease-free survival, concurrent chemoradiotherapy vs radiotherapy… compared with radiotherapy alone (non-resectable tumours); GRADE not reported.

1 finding from 1 review

Surgery +/- radiotherapy + (adjuvant) chemotherapy vs Surgery +/- radiotherapy alone (observation or adjuvant radiotherapy only)

Disease-free survival · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy led to lower disease-free survival, adjuvant concurrent chemoradiation vs… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy…; GRADE not reported.

1 finding from 1 review

Induction chemotherapy plus locoregional treatment (radiotherapy and/or surgery) vs Locoregional treatment (radiotherapy and/or surgery) alone

Disease-free survival · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Induction chemotherapy plus locoregional treatment (radiotherapy… led to lower disease-free survival, induction platinum + 5-fluorouracil prior to… compared with locoregional treatment (radiotherapy and/or surgery) alone; GRADE not reported.

1 finding from 1 review