Exosome Evidence Index

Studies / Stroke

Placental stem cell exosomes injected into the brain after a large stroke

Dehghani L et al., International Journal of Preventive Medicine, 2022

Safety onlyStrength of design, level 3 of 5: Controlled trial

Safety only: The study looked for harms. It was not designed to show whether the treatment works.

Level 3 of 5: Treated patients were compared with a control: placebo, another treatment, or the untreated side of the face. Most exosome trials at this level are small and short.

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Design
Pilot randomized trial, safety focus
People
5 treated patients
Made from
Placenta
How it was given
Injected into brain tissue during decompressive craniectomy

What they found

No bleeding, excess swelling, or other adverse effects at the injection site.

What limits it

Designed to test safety in very few patients. It cannot show whether recovery improved.

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