Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

256 questions in 49 reviews · Haematology

current versions
No studies 256 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Recombinant human soluble thrombomodulin vs heparin
Shock · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Dermatan vs heparin
Resolution of respiratory failure ‐ not measured · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Dermatan vs heparin
Renal failure · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Dermatan vs heparin
Shock · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Human activated protein C vs heparin
Resolution of respiratory failure · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Human activated protein C vs heparin
Renal failure · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Human activated protein C vs heparin
Shock · DIC
Treatment for disseminated intravascular coagulation in patients with acute and chronic leukemia (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs no treatment
Quality of life · People undergoing autologous or HLA identical allogeneic bone marrow transplant with a variety of malignant diseases…
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs placebo or no treatment
Overall survival · People undergoing stem cell transplant with malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs placebo or no treatment
All‐cause mortality at 100 days post‐transplant · People undergoing stem cell transplant with malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs placebo or no treatment
Mortality attributable to hepatic veno‐occlusive disease · People undergoing stem cell transplant with malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs placebo or no treatment
Quality of life · People undergoing stem cell transplant with malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Defibrotide vs no treatment
Quality of life · Children undergoing stem cell transplant with malignant and non‐malignant diseases and risk factors for hepatic…
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Glutamine vs placebo
Overall survival · People undergoing stem cell transplant with haematological malignancies
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Glutamine vs placebo
Quality of life · People undergoing stem cell transplant with haematological malignancies
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Fresh frozen plasma vs no treatment
Overall survival · People undergoing stem cell transplants with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Fresh frozen plasma vs no treatment
All‐cause mortality at 100 days post‐transplant · People undergoing stem cell transplants with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Fresh frozen plasma vs no treatment
Mortality attributable to hepatic veno‐occlusive disease · People undergoing stem cell transplants with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Fresh frozen plasma vs no treatment
Quality of life · People undergoing stem cell transplants with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Fresh frozen plasma vs no treatment
Frequency of adverse events · People undergoing stem cell transplants with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Antithrombin III plus heparin vs heparin alone
Overall survival · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Antithrombin III plus heparin vs heparin alone
All‐cause mortality at 100 days post‐transplant · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Antithrombin III plus heparin vs heparin alone
Quality of life · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs low molecular weight heparin
Overall survival · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs low molecular weight heparin
All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs low molecular weight heparin
Quality of life · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Ursodeoxycholic acid vs placebo or no treatment
Quality of life · People undergoing stem cell transplant with a variety of malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs prostaglandin E1
Overall survival · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs prostaglandin E1
All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Heparin vs prostaglandin E1
Quality of life · Patients undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs prostaglandin E1
Overall survival · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs prostaglandin E1
All‐cause mortality at 100 days post‐transplant · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Low molecular weight heparin vs prostaglandin E1
Quality of life · People undergoing stem cell transplant with malignant and non‐malignant diseases
Interventions for prophylaxis of hepatic veno‐occlusive disease in people undergoing haematopoietic stem… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · individuals with HL
Positron emission tomography‐adapted therapy for first‐line treatment in individuals with Hodgkin lymphoma (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Treatment related mortality · individuals with HL
Positron emission tomography‐adapted therapy for first‐line treatment in individuals with Hodgkin lymphoma (2015) · Cochrane
no estimate extractedNRNo studies
Plerixafor vs placebo
Quality of life · People with haematopoietic stem cell mobilisation for autologous transplantation in malignant lymphoma or multiple…
Additional plerixafor to granulocyte colony‐stimulating factors for haematopoietic stem cell mobilisation… (2015) · Cochrane
no estimate extractedNRNo studies
Plerixafor vs placebo
Progression‐free survival · People with haematopoietic stem cell mobilisation for autologous transplantation in malignant lymphoma or multiple…
Additional plerixafor to granulocyte colony‐stimulating factors for haematopoietic stem cell mobilisation… (2015) · Cochrane
no estimate extractedNRNo studies
Plerixafor vs placebo
Time to engraftment · People with haematopoietic stem cell mobilisation for autologous transplantation in malignant lymphoma or multiple…
Additional plerixafor to granulocyte colony‐stimulating factors for haematopoietic stem cell mobilisation… (2015) · Cochrane
no estimate extractedNRNo studies
Plerixafor vs placebo
Number of transplanted participants · People with haematopoietic stem cell mobilisation for autologous transplantation in malignant lymphoma or multiple…
Additional plerixafor to granulocyte colony‐stimulating factors for haematopoietic stem cell mobilisation… (2015) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
Quality of life ‐ not reported · People with a haematological disorder
Comparison of different platelet count thresholds to guide administration of prophylactic platelet… (2015) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusions with low‐dose schedule vs high‐dose schedule
Quality of life ‐ not reported · People with a haematological disorder
Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological… (2015) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusions with high‐dose schedule vs standard‐dose schedule
Quality of life ‐ not reported · People with a haematological disorder
Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological… (2015) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusions with low‐dose schedule vs prophylactic platelet transfusions with standard‐dose schedule
Quality of life ‐ not reported · People with a haematological disorder
Different doses of prophylactic platelet transfusion for preventing bleeding in people with haematological… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mortality secondary to bleeding/infection/transfusion reactions or iron overload ‐ not reported · patients with myelodysplastic syndrome
Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life ‐ not reported · patients with myelodysplastic syndrome
Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Frequency and length of hospital admissions ‐ not reported · patients with myelodysplastic syndrome
Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious infections (requiring admission to hospital) ‐ not reported · patients with myelodysplastic syndrome
Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious bleeding (e.g. WHO/CTCAE grade 3 (or equivalent) or above ) ‐ not reported · patients with myelodysplastic syndrome
Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Treatment‐related mortality · Participants with PCNSL
The role of additional radiotherapy for primary central nervous system lymphoma (2014) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Participants with PCNSL
The role of additional radiotherapy for primary central nervous system lymphoma (2014) · Cochrane
no estimate extractedNRNo studies