Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

186 questions · 190 findings · 17 reviews · Haematology

No studies found 47 · 24.7%GRADE not reported 21 · 11.1%Very low 26 · 13.7%Low 47 · 24.7%Moderate 37 · 19.5%High 12 · 6.3%

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

Dose‐intensified chemotherapy vs ABVD‐like chemotherapy (with or without radiotherapy

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

Dose‐intensified chemotherapy showed no clear difference in secondary malignant neoplasms compared with ABVD‐like chemotherapy (with or without radiotherapy (low certainty).

1 finding from 1 review

Dose‐intensified chemotherapy vs ABVD‐like chemotherapy (with or without radiotherapy

Death · Patients with untreated Hodgkin lymphoma (advanced stages)

Dose‐intensified chemotherapy showed no clear difference in death compared with ABVD‐like chemotherapy (with or without radiotherapy (moderate certainty).

1 finding from 1 review

Dose‐intensified chemotherapy vs ABVD‐like chemotherapy (with or without radiotherapy

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

Dose‐intensified chemotherapy probably leads to lower progression/relapse compared with ABVD‐like chemotherapy (with or without radiotherapy (moderate certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Mortality (calculated instead of overall survival) · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

ATRA in addition to chemotherapy showed no clear difference in mortality (instead of overall survival) compared with chemotherapy only (moderate certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Mortality, relapse and progresses (instead of disease‐ or relapse‐free survival) · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

ATRA in addition to chemotherapy showed no clear difference in mortality, relapse and progresses (instead of disease‐ or… compared with chemotherapy only (moderate certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

On‐study mortality · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

ATRA in addition to chemotherapy showed no clear difference in on‐study mortality compared with chemotherapy only (moderate certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Severe adverse effects (grade 3+): Infection · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

ATRA in addition to chemotherapy showed no clear difference in infection grade III/IV compared with chemotherapy only (moderate certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Grade 3 to 4 diarrhoea · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

It is very uncertain whether ATRA in addition to chemotherapy changes diarrhoea grade III/IV compared with chemotherapy only (very low certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Toxicity: grade 3 or 4 nausea ± vomiting · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

It is very uncertain whether ATRA in addition to chemotherapy changes nausea/vomiting grade III/IV compared with chemotherapy only (very low certainty).

1 finding from 1 review

ATRA in addition to chemotherapy vs chemotherapy alone

Cardiac toxicity grade III/IV · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))

It is very uncertain whether ATRA in addition to chemotherapy changes cardiac toxicity grade III/IV compared with chemotherapy only (very low certainty).

1 finding from 1 review

Chemotherapy plus lower‐dose radiation vs same chemotherapy plus higher‐dose radiation

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

Chemotherapy plus lower‐dose radiation showed no clear difference in secondary malignant neoplasms compared with same chemotherapy plus higher‐dose radiation (low certainty).

1 finding from 1 review

Chemotherapy plus lower‐dose radiation vs same chemotherapy plus higher‐dose radiation

Death · Patients with untreated Hodgkin lymphoma (early stages)

Chemotherapy plus lower‐dose radiation showed no clear difference in death compared with same chemotherapy plus higher‐dose radiation (high certainty).

1 finding from 1 review

Chemotherapy plus lower‐dose radiation vs same chemotherapy plus higher‐dose radiation

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

Chemotherapy plus lower‐dose radiation showed no clear difference in progression/relapse compared with same chemotherapy plus higher‐dose radiation (high certainty).

1 finding from 1 review

Chemotherapy plus involved‐field radiation vs same chemotherapy plus extended‐field radiation

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

Chemotherapy plus involved‐field radiation showed no clear difference in secondary malignant neoplasms compared with same chemotherapy plus extended‐field radiation (low certainty).

1 finding from 1 review

Chemotherapy plus involved‐field radiation vs same chemotherapy plus extended‐field radiation

Death · Patients with untreated Hodgkin lymphoma (early stages)

Chemotherapy plus involved‐field radiation showed no clear difference in death compared with same chemotherapy plus extended‐field radiation (high certainty).

1 finding from 1 review

Chemotherapy plus involved‐field radiation vs same chemotherapy plus extended‐field radiation

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

Chemotherapy plus involved‐field radiation showed no clear difference in progression/relapse compared with same chemotherapy plus extended‐field radiation (high certainty).

1 finding from 1 review