Mesenchymal stromal cells (MSCs)

The reviewed record includes walking and physical-performance outcomes in frailty. The identity of each cell product is part of the scientific result.

A change in a laboratory marker, a test score and everyday function are different outcomes. A statistically detectable result does not by itself tell us whether someone would notice a worthwhile difference.

Check the measured endpoint, comparison and study population. The full profile preserves effect estimates and the source's clinical-significance assessment, including when that assessment is not supplied.

The claim to test: A trial of one cell product validates every stem-cell or anti-aging treatment.

What the reviewed records say:

The gap: Cell origin, manufacturing and protocol identity matter. A product-specific result cannot establish a class-wide benefit or safety claim.

Durability, effects in other populations and healthy-lifespan outcomes need their own evidence.

Independent replication, meaningful human outcomes, longer follow-up and better safety reporting would make these results easier to interpret.

Cell origin, manufacturing and protocol identity matter. A product-specific result cannot establish a class-wide benefit or safety claim.