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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 ‐ triple therapy: VX‐152‐tezacaftor‐ivacaftor vs placebo
Quality of life: CFQ‐R respiratory domain: absolute change from baseline · adults with cystic fibrosis and with the F508del/MF genotype
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extracted1 study · 76 participantsLow
Summary of findings ‐ triple therapy: VX‐152‐tezacaftor‐ivacaftor vs placebo
FEV1 (% predicted): relative change from baseline · adults with cystic fibrosis and with the F508del/MF genotype
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extracted1 study · 76 participantsLow
Summary of findings ‐ triple therapy: VX‐152‐tezacaftor‐ivacaftor vs placebo
FEV1 (% predicted): absolute change from baseline · adults with cystic fibrosis and with the F508del/MF genotype
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extracted1 study · 76 participantsLow
Summary of findings ‐ triple therapy: VX‐152‐tezacaftor‐ivacaftor vs placebo
Adverse events · adults with cystic fibrosis and with the F508del/MF genotype
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extracted1 study · 76 participantsLow
Summary of findings ‐ triple therapy: VX‐152‐tezacaftor‐ivacaftor vs placebo
Time to first pulmonary exacerbation · adults with cystic fibrosis and with the F508del/MF genotype
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings ‐ monotherapy: cavosonstat vs placebo
Survival · adults and children with cystic fibrosis
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extracted1 study · 26 participantsVery low
Summary of findings ‐ monotherapy: cavosonstat vs placebo
Quality of life: total score · adults and children with cystic fibrosis
Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
50% reduction of tumour sizea · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 24.7 [3.5, 173.4]2 studies · 162 participantsHigh
Intervention NR
Frequency of seizure · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Creatinine level · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
FEV1/FVC ratio · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Outcomes relevant to participants' well‐being · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extracted1 study · 62 participantsLow
Intervention NR
Adverse events · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 1.72 [1.1, 2.67]3 studies · 277 participantsModerate
Intervention NR
Response to skin lesionsb · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 5.8 [2.3, 14.5]2 studies · 224 participantsHigh
Intervention NR
Frequency of seizure · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 5.31 study · 366 participantsModerate
Intervention NR
Number of participants with an increased creatinine level · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 0.161 study · 118 participantsModerate
Intervention NR
FEV1/FVC ratio · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Outcomes relevant to participants' well‐being · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extracted1 study · 42 participantsLow
Intervention NR
Adverse events · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 1.095 studies · 680 participantsHigh
Intervention NR
50% reduction in tumour size · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Response to skin lesion · people with TSC
Rapamycin and rapalogs for tuberous sclerosis complex (2023) · Cochrane
RR 2.72 [1.76, 4.18]2 studies · 187 participantsHigh
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
Cardiac T2* value · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted4 studies · 191 participantsLow
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
MIC · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted3 studies · 138 participantsLow
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
LVEF (echocardiography) · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted3 studies · 136 participantsLow
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
Serum ferritin · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted4 studies · 187 participantsLow
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
Liver T2* value · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted3 studies · 127 participantsLow
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
LIC · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted2 studies · 123 participantsModerate
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
Adverse events · or population: people with transfusion‐dependent beta thalassaemia
Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with… (2023) · Cochrane
no estimate extracted5 studies · 234 participantsVery low
Ataluren vs placebo
Health‐related quality of life: mean change from baseline in CFQ‐R respiratory domain score Scale: age‐appropriate versions of the CFQ‐R questionnaire · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted2 studies · 506 participantsHigh
Ataluren vs placebo
Respiratory function: FEV1 % predicted (relative change from baseline) · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted1 study · 203 participantsHigh
Ataluren vs placebo
Adverse events relating to treatment · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted2 studies · 517 participantsModerate
Ataluren vs placebo
Pulmonary exacerbations: protocol‐defined Scale: rate · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted1 study · 232 participantsHigh
Ataluren vs placebo
Nutrition and growth: change in weight (kg), BMI (kg/m2) or height (m) · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted2 studies · 506 participantsHigh
Ataluren vs placebo
Sweat chloride level ‐ change from baseline Scale: mmol/L · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted1 study · 194 participantsHigh
Ataluren vs placebo
Mortality rate · adults and children with CF with at least one class I mutation (PTC)
Ataluren and similar compounds (specific therapies for premature termination codon class I mutations) for… (2023) · Cochrane
no estimate extracted2 studies · 518 participantsHigh
Summary of findings: Comparison 1 ‐ deferiprone (DFP) vs deferoxamine (DFO)
Adherence to iron chelation therapy (%, SD)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extracted7 studies · 612 participantsVery low
Summary of findings: Comparison 2 ‐ deferasirox (DFX) vs deferiprone (DFO)
Sustained adherence
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Comparison 2 ‐ deferasirox (DFX) vs deferiprone (DFO)
QoL
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
Adherence to iron chelation (%, SD)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extracted1 study · 390 participantsLow
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
SAE (chelation‐related) (n/N)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
1.54 [0.44, 5.39]1 study · 390 participantsVery low
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
Total SAEs
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
RR 0.95 [0.46, 1.96]1 study · 390 participantsVery low
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
All‐cause mortality (n/N)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
RD 01 study · 390 participantsLow
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
Sustained adherence
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Comparison 3 ‐ deferiprone (DFP) vs deferasirox (DFX)
QoL
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Comparison 4 ‐ deferasirox (DFX) film‐coated tablets vs DFX dispersible tablets
Adherence to iron chelation therapy (%, SD)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extracted1 study · 91 participantsVery low
Summary of findings: Comparison 4 ‐ deferasirox (DFX) film‐coated tablets vs DFX dispersible tablets
Sustained adherence to iron chelation therapy (%, SD)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extracted1 study · 54 participantsVery low
Summary of findings: Comparison 1 ‐ deferiprone (DFP) vs deferoxamine (DFO)
Total reported SAEs (from therapy, disease, non‐adherence)
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
RR 1.43 [0.83, 2.46]1 study · 228 participantsVery low
Summary of findings: Comparison 4 ‐ deferasirox (DFX) film‐coated tablets vs DFX dispersible tablets
Incidence of SAEs
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
RR 1.22 [0.62, 2.37]1 study · 173 participantsVery low
Summary of findings: Comparison 4 ‐ deferasirox (DFX) film‐coated tablets vs DFX dispersible tablets
All‐cause mortality
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
7.3 [0.14, 368.15]1 study · 173 participantsVery low
Summary of findings: Comparison 4 ‐ deferasirox (DFX) film‐coated tablets vs DFX dispersible tablets
QoL
Interventions for improving adherence to iron chelation therapy in people with sickle cell disease or… (2023) · Cochrane
no estimate extractedNRNo studies