L-carnitine supplementation in advanced cancer with carnitine deficiency
The prespecified intent-to-treat analysis found no significant improvement in study endpoints despite increased serum carnitine.
What this study tells us
Participants were assigned to comparison groups by chance, usually with placebo and/or blinding to reduce bias. This is a strong design for testing cause and effect, but the population, duration and endpoints still limit what can be concluded.
Adults with advanced cancer, carnitine deficiency and moderate-to-severe fatigue
n=29
The prespecified intent-to-treat analysis found no significant improvement in study endpoints despite increased serum carnitine.
Small sample; exploratory post-hoc analyses were positive but do not override the negative prespecified analysis.
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Key result
The prespecified intent-to-treat analysis found no significant improvement in study endpoints despite increased serum carnitine.