Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

228 questions · 231 findings · 20 reviews · Headline outcomes only

No studies found 32 · 13.9%GRADE not reported 4 · 1.7%Very low 46 · 19.9%Low 80 · 34.6%Moderate 53 · 22.9%High 16 · 6.9%

Chemotherapy alone vs same chemotherapy plus radiotherapy

Secondary malignant neoplasms · Patients with untreated Hodgkin lymphoma (early and advanced stages)

Chemotherapy alone may leads to lower secondary malignant neoplasms compared with same chemotherapy plus radiotherapy (low certainty).

1 finding from 1 review

Chemotherapy alone vs same chemotherapy plus radiotherapy

Death · Patients with untreated Hodgkin lymphoma (early and advanced stages)

Chemotherapy alone showed no clear difference in death compared with same chemotherapy plus radiotherapy (moderate certainty).

1 finding from 1 review

Chemotherapy alone vs same chemotherapy plus radiotherapy

Progression/relapse · Patients with untreated Hodgkin lymphoma (early and advanced stages)

Chemotherapy alone showed no clear difference in progression/relapse compared with same chemotherapy plus radiotherapy (moderate 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

GnRH agonist‐antagonist cotreatment plus chemotherapy vs chemotherapy alone

Menstruation recovery or maintenance: · 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 menstruation recovery or maintenance: compared with chemotherapy alone (very low certainty).

2 findings from 1 review