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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)

856 questions in 87 reviews · Cystic Fibrosis and Genetic Disorders

current versions
No studies 856 · 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
Summary of findings: oral antioxidant combination vs control
Quality of life: Quality of Well Being score change from baseline · children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant combination vs control
Nutritional status: change from baseline in BMI · children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant combination vs control
Pulmonary exacerbations: mean time to next exacerbation · children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant combination vs control
Adverse events · children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant mixed supplement vs control
Lung function: FEV1 % predicted mean change from baseline · adults and children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant mixed supplement vs control
Lung function: FEV1 % predicted mean change from baseline · adults and children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant mixed supplement vs control
Quality of life: Quality of Well Being score change from baseline · adults and children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidant mixed supplement vs control
Nutritional status: change from baseline in BMI · adults and children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: inhaled antioxidants vs placebo
Nutritional status: change from baseline in BMI · children and adults with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: inhaled antioxidants vs placebo
Pulmonary exacerbations: mean time to next exacerbation · children and adults with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral antioxidants (NAC/GSH) vs placebo
Pulmonary exacerbations: mean time to next exacerbation · adults and children with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral vitamin E supplementation vs placebo or no treatment
Lung function: FEV1 % predicted mean change from baseline · children and adults with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral vitamin E supplementation vs placebo or no treatment
Lung function: FEV1 % predicted mean change from baseline · children and adults with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: oral vitamin E supplementation vs placebo or no treatment
Quality of life · children and adults with cystic fibrosis
Antioxidant supplementation for lung disease in cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ ivacaftor vs placebo
QoL Total score · adults and children with cystic fibrosis and with at least one R117H CFTR mutation
Potentiators (specific therapies for class III and IV mutations) for cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ ivacaftor vs placebo
QoL Total score · adults and children with cystic fibrosis and with the F508del CFTR mutation
Potentiators (specific therapies for class III and IV mutations) for cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ ivacaftor vs placebo
Time to first pulmonary exacerbation · adults and children with cystic fibrosis and with the F508del CFTR mutation
Potentiators (specific therapies for class III and IV mutations) for cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ ivacaftor vs placebo
QoL Total score · adults and children with cystic fibrosis and with at least one G551D CFTR mutation
Potentiators (specific therapies for class III and IV mutations) for cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Frequency of transfusion · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐serious adverse events · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Haeatological indices · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Duration of hospital stay · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serum ferritin · participants with β‐thalassaemia
Splenectomy for people with thalassaemia major or intermedia (2019) · Cochrane
no estimate extractedNRNo studies
Oral magnesium pidolate vs placebo/no intervention
Length of hospital stay · people with sickle cell disease
Magnesium for treating sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Oral magnesium pidolate vs placebo/no intervention
Change in dense red cells in sickle cell disease · people with sickle cell disease
Magnesium for treating sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Oral magnesium pidolate vs placebo/no intervention
Quality of life · people with sickle cell disease
Magnesium for treating sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: cycled vs culture‐based antibiotic therapy
Quality of life · children (aged 1 to 12 years) with CF and a newly isolated PA infection
Treatments for preventing recurrence of infection with Pseudomonas aeruginosa in people with cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings: cycled vs culture‐based antibiotic therapy
Time to chronic PA · children (aged 1 to 12 years) with CF and a newly isolated PA infection
Treatments for preventing recurrence of infection with Pseudomonas aeruginosa in people with cystic fibrosis (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ Pharmacological intervention (pregabalin) vs placebo
PGIC · adults and children with sickle cell disease experiencing neuropathic pain
Interventions for treating neuropathic pain in people with sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ Pharmacological intervention (pregabalin) vs placebo
Time to improvement of symptoms · adults and children with sickle cell disease experiencing neuropathic pain
Interventions for treating neuropathic pain in people with sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ Pharmacological intervention (pregabalin) vs placebo
Changes in sleep quality as measured by sleep questionnaires · adults and children with sickle cell disease experiencing neuropathic pain
Interventions for treating neuropathic pain in people with sickle cell disease (2019) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)
Number of immediate (less than 24 hours) and delayed (24 hours to 10 days) postoperative bleeding episodes requiring intervention · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions · Immediate (<24 h) and delayed (24 h to 10 days)
Antifibrinolytic therapy for preventing oral bleeding in patients with haemophilia or Von Willebrand disease… (2019) · Cochrane
This outcome was not reported in either of the trials.0 studiesNo studies
Antifibrinolytic therapy - locally-applied tranexamic acid (TXA) mouthwash/solution (SoF eligibility: TXA or EACA; all included trials used topical TXA) vs Placebo (placebo solution/mouthwash)
Number of thromboembolic complications · People on continuous VKA treatment undergoing minor oral surgery or dental extractions (eligibility included DOACs and…
Antifibrinolytic therapy for preventing oral bleeding in people on anticoagulants undergoing minor oral… (2018) · Cochrane
no estimate extracted0 studiesNo studies
Antifibrinolytic therapy - locally-applied tranexamic acid (TXA) mouthwash/solution (SoF eligibility: TXA or EACA; all included trials used topical TXA) vs Placebo (placebo solution/mouthwash)
Bleeding duration (minutes, all types of bleeding, minor and major) · People on continuous VKA treatment undergoing minor oral surgery or dental extractions (eligibility included DOACs and…
Antifibrinolytic therapy for preventing oral bleeding in people on anticoagulants undergoing minor oral… (2018) · Cochrane
no estimate extracted0 studiesNo studies
Antifibrinolytic therapy - locally-applied tranexamic acid (TXA) mouthwash/solution (SoF eligibility: TXA or EACA; all included trials used topical TXA) vs Placebo (placebo solution/mouthwash)
Change in haemoglobin level from baseline · People on continuous VKA treatment undergoing minor oral surgery or dental extractions (eligibility included DOACs and…
Antifibrinolytic therapy for preventing oral bleeding in people on anticoagulants undergoing minor oral… (2018) · Cochrane
no estimate extracted0 studiesNo studies
Antifibrinolytic agents (tranexamic acid (TXA) or epsilon aminocaproic acid (EACA)) vs Placebo, no intervention, or usual care
Outcome NR · People on continuous direct oral anticoagulant (DOAC) treatment undergoing oral or dental procedures
Antifibrinolytic therapy for preventing oral bleeding in people on anticoagulants undergoing minor oral… (2018) · Cochrane
no estimate extracted0 studiesNo studies
Intervention NR
Vitamin A deficiency disorders · children and adults with CF
Vitamin A and beta (β)‐carotene supplementation for cystic fibrosis (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mortality · children and adults with CF
Vitamin A and beta (β)‐carotene supplementation for cystic fibrosis (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Outcomes1 · 117 children with homozygous sickle cell (SS) disease
Folate supplementation in people with sickle cell disease (2018) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytic therapy - locally-applied tranexamic acid (TXA) mouthwash/solution (SoF eligibility: TXA or EACA; all included trials used topical TXA) vs Placebo (placebo solution/mouthwash)
Amount of postoperative blood loss (mL) · People on continuous VKA treatment undergoing minor oral surgery or dental extractions (eligibility included DOACs and…
Antifibrinolytic therapy for preventing oral bleeding in people on anticoagulants undergoing minor oral… (2018) · Cochrane
no estimate extracted0 studiesNo studies
Intervention NR
Abnormally large livers reduced to within normal limits, as measured by ultrasound · adults and children with cystic fibrosis‐related liver disease
Ursodeoxycholic acid for cystic fibrosis‐related liver disease (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox vs deferiprone
Satisfaction · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferoxamine vs deferoxamine
Responder analysis · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferoxamine vs deferoxamine
LIC · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferoxamine vs deferoxamine
Satisfaction with treatment · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferoxamine vs deferoxamine
AE: serum creatinine increased · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferiprone vs deferiprone and deferoxamine
Responder analysis · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox and deferiprone vs deferiprone and deferoxamine
Satisfaction · people with transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies
Deferasirox vs placebo
Responder analysis · people with non‐transfusion‐dependent thalassemia
Deferasirox for managing iron overload in people with thalassaemia (2017) · Cochrane
no estimate extractedNRNo studies