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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)

2,280 questions in 114 reviews · Cystic Fibrosis and Genetic Disorders

current versions
No studies 856 · 37.5%Ungraded 58 · 2.5%Very low 550 · 24.1%Low 502 · 22%Moderate 271 · 11.9%High 43 · 1.9%

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 ‐ withdrawal of penicillin prophylaxis vs continuation
Compliance to treatment · children with SCD who have been receiving prophylactic penicillin for at least two years
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ initiation of penicillin prophylaxis vs placebo
Deaths · children with SCD
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
OR 0.11 [0.01, 2.11]2 studies · 457 participantsLow
Summary of findings ‐ initiation of penicillin prophylaxis vs placebo
Adverse effects · children with SCD
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extracted2 studies · 457 participantsLow
Summary of findings ‐ initiation of penicillin prophylaxis vs placebo
Antibiotic‐resistant organisms isolated · children with SCD
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ initiation of penicillin prophylaxis vs placebo
Requirement of other courses of antibiotics · children with SCD
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ initiation of penicillin prophylaxis vs placebo
Compliance to treatment · children with SCD
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 215 participantsLow
Summary of findings ‐ withdrawal of penicillin prophylaxis vs continuation
Incidence of S pneumoniae Confirmed bacterial infection · children with SCD who have been receiving prophylactic penicillin for at least two years
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
OR 0.49 [0.09, 2.71]1 study · 400 participantsLow
Summary of findings ‐ withdrawal of penicillin prophylaxis vs continuation
Deaths · children with SCD who have been receiving prophylactic penicillin for at least two years
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 400 participantsLow
Summary of findings ‐ withdrawal of penicillin prophylaxis vs continuation
Adverse effects: incidences of nausea and vomiting · children with SCD who have been receiving prophylactic penicillin for at least two years
Prophylactic antibiotics for preventing pneumococcal infection in children with sickle cell disease (2021) · Cochrane
OR 1.99 [0.18, 22.12]1 study · 400 participantsLow
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Longitudinal growth: change in height SDS · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
MD 02 studies · 20 participantsLow
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Measures of mineral metabolism: change in serum phosphate mmol/L · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
MD 0.18 [0.08, 0.28]2 studies · 20 participantsVery low
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Measures of endocrine function function: change in levels of alkaline phosphatase IU/L · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
no estimate extracted2 studies · 20 participantsLow
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Measures of renal function: change in TmP/GFR · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
MD 0.012 studies · 20 participantsVery low
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Body proportions: sitting height SDS · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
no estimate extracted1 study · 15 participantsModerate
Summary of findings ‐ recombinant growth hormone vs placebo or no intervention
Adverse effects · children with X‐linked hypophosphataemia
Recombinant growth hormone therapy for X‐linked hypophosphatemia in children (2021) · Cochrane
no estimate extracted2 studies · 20 participantsLow
Inhalation of dornase alfa before vs after airway clearance techniques
FEV1 (% predicted) change from baseline · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
MD 0.83102 participantsVery low
Morning vs evening inhalation of dornase alfa
Adverse effects · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted25 participantsLow
Inhalation of dornase alfa before vs after airway clearance techniques
FVC (% predicted) change from baseline · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
MD 1.0677 participantsLow
Inhalation of dornase alfa before vs after airway clearance techniques
Measures of QoL and symptom scores · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted102 participantsVery low
Inhalation of dornase alfa before vs after airway clearance techniques
FEF25-75 (% predicted) · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted25 participantsLow
Inhalation of dornase alfa before vs after airway clearance techniques
Adverse effects · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted102 participantsVery low
Morning vs evening inhalation of dornase alfa
FEV1 (% predicted) change from baseline · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted25 participantsLow
Morning vs evening inhalation of dornase alfa
FVC (% predicted) change from baseline · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted25 participantsLow
Morning vs evening inhalation of dornase alfa
Measures of QoL and symptom scores · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extracted25 participantsLow
Morning vs evening inhalation of dornase alfa
FEF25-75 (% predicted) · adults and children with cystic fibrosis
Timing of dornase alfa inhalation for cystic fibrosis (2021) · Cochrane
no estimate extractedNRNo studies
Isoxsuprine vs placebo
Complete leg ulcer closure (defined as 100% epithelization or skin closure without drainage) · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
RR 1.2 [0.4, 3.62]1 study · 40 participantsVery low
Arginine butyrate plus standard care alone vs standard care alone
Change in ulcer size (surface area or volume) · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 23 participantsVery low
Arginine butyrate plus standard care alone vs standard care alone
Ulcer‐free survival following treatment for SCLU (free from leg ulcer recurrence) ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Arginine butyrate plus standard care alone vs standard care alone
Quality of life ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Arginine butyrate plus standard care alone vs standard care alone
Amputation ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Arginine butyrate plus standard care alone vs standard care alone
Adverse events · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Propionyl‐L‐carnitine vs placebo
Complete leg ulcer closure (defined as 100% epithelization or skin closure without drainage) ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Propionyl‐L‐carnitine vs placebo
Time to ulcer closure ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Propionyl‐L‐carnitine vs placebo
Change in ulcer size (surface area or volume) · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Propionyl‐L‐carnitine vs placebo
Ulcer‐free survival following treatment for SCLU (free from leg ulcer recurrence) ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Propionyl‐L‐carnitine vs placebo
Quality of life ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Isoxsuprine vs placebo
Time to ulcer closure ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Propionyl‐L‐carnitine vs placebo
Amputation ‐ not reported · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Propionyl‐L‐carnitine vs placebo
Adverse events ‐ not measured · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Complete closureUlcer area was determined by computerized planimetry · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
RR 0.4 [0.15, 1.04]1 study · 55 participantsVery low
RGD peptide matrix vs placebo
Time to ulcer closure ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Change in size ulcers healed ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Ulcer‐free survival following treatment for SCLU (free from leg ulcer recurrence) ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Quality of life ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Amputation ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
RGD peptide matrix vs placebo
Adverse events · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
RR 0.76 [0.5, 1.17]1 study · 55 participantsVery low
Solcoseryl vs antiseptic agent
Complete leg ulcer closure ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Isoxsuprine vs placebo
Change in ulcer size (surface area or volume) · individuals with sickle cell disease and a leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 40 participantsVery low
Solcoseryl vs antiseptic agent
Time to closure ‐ not reported · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extractedNRNo studies
Solcoseryl vs antiseptic agent
Change in ulcer size (surface area or volume) · individuals with sickle cell disease and leg ulcer
Interventions for treating leg ulcers in people with sickle cell disease (2021) · Cochrane
no estimate extracted1 study · 35 participantsVery low