Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

85 questions · 89 findings · 15 reviews

No studies found 14 · 15.7%GRADE not reported 4 · 4.5%Very low 19 · 21.3%Low 10 · 11.2%Moderate 24 · 27%High 18 · 20.2%

Hysterectomy (simple or radical) with neoadjuvant chemotherapy vs Radiotherapy alone

Death (all causes) · women with locally advanced cervical cancer

Hysterectomy (simple or radical) with neoadjuvant chemotherapy probably leads to lower overall survival Median compared with radiotherapy alone (moderate certainty).

1 finding from 1 review

Hysterectomy (simple or radical) with neoadjuvant chemotherapy vs Radiotherapy alone

Disease or progression‐free survival Median · women with locally advanced cervical cancer

Hysterectomy (simple or radical) with neoadjuvant chemotherapy showed no clear difference in disease‐ or progression‐free survival Median compared with radiotherapy alone (moderate certainty).

1 finding from 1 review

Hysterectomy (simple or radical) with neoadjuvant chemotherapy vs Radiotherapy alone

Severe adverse events and toxicity · women with locally advanced cervical cancer

Hysterectomy (simple or radical) with neoadjuvant chemotherapy showed no clear difference in severe adverse events and toxicity compared with radiotherapy alone (low 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

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term mortality (binary outcome) All‐cause mortality for the duration of · patients with oesophageal cancer

Non‐surgical showed no clear difference in long‐term mortality (binary): definitive chemoradiotherapy versus… compared with surgical treatment of oesophageal cancer (primary outcomes) (low certainty).

1 finding from 1 review

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term mortality (time‐to‐event outcome): chemoradiotherapy versus surgery All‐cause mortality for the duration of · patients with oesophageal cancer

It is very uncertain whether non‐surgical changes long‐term mortality (time‐to‐event): definitive chemoradiotherapy… compared with surgical treatment of oesophageal cancer (primary outcomes) (very low certainty).

1 finding from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Menstruation recovery or maintenance: · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

GnRH agonist plus chemotherapy may leads to higher menstruation recovery or maintenance: compared with chemotherapy alone (low certainty).

2 findings from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Premature ovarian failure · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

GnRH agonist plus chemotherapy probably leads to lower premature ovarian failure compared with chemotherapy alone (moderate certainty).

1 finding from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Pregnancy · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

GnRH agonist plus chemotherapy showed no clear difference in pregnancy compared with chemotherapy alone (low certainty).

1 finding from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Ovulation · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

GnRH agonist plus chemotherapy may leads to higher ovulation compared with chemotherapy alone (low certainty).

1 finding from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Adverse effects: hot flush · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

It is very uncertain whether gnRH agonist plus chemotherapy changes adverse effects: hot flush compared with chemotherapy alone (very low certainty).

1 finding from 1 review

GnRH agonist plus chemotherapy vs chemotherapy alone

Adverse effects: vaginal dryness · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

GnRH agonist plus chemotherapy showed no clear difference in adverse effects: vaginal dryness compared with chemotherapy alone (moderate certainty).

1 finding from 1 review

GnRH agonist‐antagonist cotreatment plus chemotherapy vs chemotherapy alone

Pregnancy · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy

It is very uncertain whether gnRH agonist‐antagonist cotreatment plus chemotherapy changes pregnancy compared with chemotherapy alone (very low certainty).

1 finding from 1 review