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Evidence found and GRADE certainty

383 questions · 397 findings · 37 reviews

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No studies found 59 · 14.9%GRADE not reported 11 · 2.8%Very low 70 · 17.6%Low 86 · 21.7%Moderate 110 · 27.7%High 61 · 15.4%

Summary of findings: Molecular‐targeted therapy plus chemotherapy vs chemotherapy alone

Severe adverse event (grade ≥ 3 ) Duration of · people with advanced gastric cancer

Summary of findings: Molecular‐targeted therapy plus chemotherapy probably leads to higher severe adverse event (grade ≥ 3 ) Duration of compared with chemotherapy alone (moderate certainty).

1 finding from 1 review

Neoadjuvant immunotherapy (high dose interferon) plus chemotherapy vs neoadjuvant chemotherapy

Overall response rate (ORR), · stage III and IV cutaneous melanoma

It is very uncertain whether neoadjuvant immunotherapy (high dose interferon) plus chemotherapy changes overall response rate (ORR), measured after 8 weeks of treatment and… compared with neoadjuvant chemotherapy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Newly‐diagnosed EOC: PARPi with chemotherapy vs chemotherapy alone

Progression‐free survival · newly‐diagnosed EOC

It is very uncertain whether summary of findings table ‐ Newly‐diagnosed EOC: PARPi with… changes progression‐free survival (PFS) compared with chemotherapy alone (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Newly‐diagnosed EOC: PARPi with chemotherapy vs chemotherapy alone

Adverse events (grade ≥ 3) · newly‐diagnosed EOC

Summary of findings table ‐ Newly‐diagnosed EOC: PARPi with… leads to higher any severe adverse event (grade 3 or higher) (G3+ SevAE) compared with chemotherapy alone (high certainty).

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

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

Overall survival, adjuvant concomitant chemoradiotherapy vs post-surgery radiotherapy alone · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Surgery +/- radiotherapy + (adjuvant) chemotherapy probably leads to lower overall survival, adjuvant concurrent chemoradiation vs adjuvant… compared with surgery +/- radiotherapy alone (observation or adjuvant radiotherapy… (moderate certainty).

1 finding from 1 review

Single‐dose intravesical chemotherapy instillation vs placebo or observation after nephroureterectomy

Time to bladder cancer recurrence (absolute effect size estimates based on recurrence rate at 12 months)

Single‐dose intravesical chemotherapy instillation may leads to lower time to bladder cancer recurrence (absolute effect size estimates… compared with placebo or observation after nephroureterectomy (low certainty).

1 finding from 1 review