Question · asked by 1 review

N‐acetylcysteine (1200 mg) vs placebo: Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale)

Population
sickle cell disease
Intervention
N‐acetylcysteine (1200 mg)
Comparison
placebo
Outcome
Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale)

N‐acetylcysteine (1200 mg) showed no clear difference in severity of pain (maximum pain intensity on pain days) compared with placebo (low certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
N‐acetylcysteine (1200 mg) vs placebo
Severity of pain (maximum pain intensity on pain days) · sickle cell disease
N‐acetylcysteine (1200 mg) showed no clear difference in severity of pain (maximum pain intensity on pain days) compared with placebo (low certainty).
Antioxidant supplementation for sickle cell disease (2024) · Cochrane Headline outcomes only
MD 0.171 study · 96 participantsLow

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Antioxidant supplementation for sickle cell disease
2024 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed
How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.