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Evidence found and GRADE certainty

48 questions · 48 findings · 15 reviews

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No studies found 1 · 2.1%GRADE not reported 1 · 2.1%Very low 1 · 2.1%Low 16 · 33.3%Moderate 19 · 39.6%High 10 · 20.8%

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

Overall survival, post-surgery chemotherapy vs surgery alone (no radiotherapy) · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy showed no clear difference in overall survival, adjuvant chemotherapy vs observation alone… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy… (moderate certainty).

1 finding from 1 review

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

Overall survival, induction platinum + 5-fluorouracil prior to surgery vs surgery alone · 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 platinum + 5-fluorouracil prior to… compared with locoregional treatment (radiotherapy and/or surgery) alone (low certainty).

1 finding from 1 review

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

Overall survival, induction platinum + 5-fluorouracil prior to radiotherapy vs radiotherapy alone · 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 platinum + 5-fluorouracil prior to… compared with locoregional treatment (radiotherapy and/or surgery) alone (moderate certainty).

1 finding from 1 review

Summary of findings table (subcomparison 2): second‐line chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Overall survival · palliative participants with esophageal and GE‐junction carcinoma previously treated with chemotherapy

Summary of findings table (subcomparison 2): second‐line… probably leads to lower overall survival compared with control intervention alone (moderate certainty).

1 finding from 1 review

Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone

Overall survival (OS) · platinum‐sensitive recurrent EOC

Chemotherapy with bevacizumab followed by bevacizumab maintenance showed no clear difference in overall survival (OS) compared with chemotherapy alone (moderate certainty).

1 finding from 1 review

Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone

Overall survival (OS) · newly‐diagnosed EOC

Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI… showed no clear difference in overall survival (OS) compared with chemotherapy alone (moderate certainty).

1 finding from 1 review

Summary of findings table (subcomparison 3): chemotherapy agent(s) plus control intervention vs control intervention

Overall survival · palliative participants with esophageal and GE‐junction carcinoma

Summary of findings table (subcomparison 3): chemotherapy agent(s)… probably leads to lower overall survival compared with control intervention alone (moderate certainty).

1 finding from 1 review