Protein supplementation in childhood cancer remains an evidence gap
Reviewers found no eligible cancer studies; indirect findings from other illnesses were mixed and rated very low certainty.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review found no eligible studies that could answer whether protein supplements help children with cancer. It therefore drew on research in children with other serious illnesses, where observational improvements were not matched by clear changes in the randomized trial. These indirect findings cannot establish either benefit or safety in pediatric cancer care.
All assessed outcomes were graded very low certainty. Evidence from other illnesses cannot establish what protein supplementation does for children with cancer, and the abstract gives little detail about adverse events or intervention schedules.
What indirect studies found
Observational reports described improvements in some body-size, body-composition and fitness measures. The randomized trial found no significant changes. These designs do not provide equally strong evidence, and the observational improvements cannot establish a supplement effect.
Why the gap matters
The original question concerned children with cancer around diagnosis and treatment. Because none of those studies qualified, the review’s conclusions rely on different illnesses and cannot answer whether supplementation preserves muscle or supports exercise in pediatric oncology.
The original publication
Protein supplementation in pediatric oncology: a systematic review revealing a lack of evidence and insights from other chronically and critically ill children.
den Hartog E, van Tongeren J, van Dalen EC et al.
Front Pediatr · 2025
- PubMed ID
- 41450885
- Record checked
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