Frequency of crisis · sickle cell disease
L‐arginine showed no clear difference in frequency of crisis (monthly crisis) compared with placebo (low certainty).
1 finding from 1 review
Pain 0 to 100 visual analogue scale and 10‐point Likert scale (lower score = less pain) · sickle cell disease
L‐arginine showed no clear difference in severity of pain (assessed using a 10‐cm visual analogue scale from… compared with placebo (low certainty).
1 finding from 1 review
QoL of participants living with SCD and their caregivers · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects · sickle cell disease
1 finding from 1 review
Frequency of hospitalization (number of days in hospital) · sickle cell disease
It is very uncertain whether L‐arginine changes frequency of hospitalization (number of days in hospital) compared with placebo (very low certainty).
1 finding from 1 review
Frequency of sickle cell‐related complications · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Haemoglobin status · sickle cell disease
L‐arginine showed no clear difference in haemoglobin status (g/dL) compared with placebo (low certainty).
1 finding from 1 review
Frequency of crisis · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
QoL of participants living with SCD and their caregivers · adults with sickle cell disease (adults with homozygous SCA or sickle beta 0 thalassaemia SCD)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Severity of pain · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
QoL of participants living with SCD and their caregivers · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects (any adverse effect) · sickle cell disease
It is very uncertain whether omega‐3 changes adverse effects (any adverse effect) compared with placebo (very low certainty).
1 finding from 1 review
Frequency of hospitalization · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Frequency of sickle cell‐related complications · sickle cell disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Haemoglobin status · sickle cell disease
It is very uncertain whether omega‐3 changes haemoglobin status compared with placebo (very low certainty).
1 finding from 1 review
Adverse effects · adults with sickle cell disease (adults with homozygous SCA or sickle beta 0 thalassaemia SCD)
It is very uncertain whether vitamin C 1400 mg plus vitamin E 800 mg changes adverse effects compared with placebo (very low certainty).
1 finding from 1 review
Frequency of hospitalization · adults with sickle cell disease (adults with homozygous SCA or sickle beta 0 thalassaemia SCD)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Acute chest syndrome ( · adults with sickle cell disease (adults with homozygous SCA or sickle beta 0 thalassaemia SCD)
It is very uncertain whether vitamin C 1400 mg plus vitamin E 800 mg changes frequency of sickle cell‐related complications: acute chest syndrome compared with placebo (very low certainty).
1 finding from 1 review
Haemoglobin status · adults with sickle cell disease (adults with homozygous SCA or sickle beta 0 thalassaemia SCD)
1 finding from 1 review
Frequency of crisis · people with sickle cell disease
Zinc showed no clear difference in frequency of crisis compared with placebo (low certainty).
1 finding from 1 review