Key Takeaway
Combined transcranial and intranasal photobiomodulation improved cognitive function in dementia patients
Summary
This pilot study examined whether photobiomodulation delivered through transcranial and intranasal routes could improve cognitive function in patients with mild to moderate dementia.
Methods
- Open-label pilot study
- 5 patients with mild to moderate dementia
- Vielight Neuro device (transcranial + intranasal 810nm)
- 12-week treatment protocol
- Cognitive assessments using MMSE and ADAS-cog
Key Results
- Significant improvements in MMSE scores
- Improved ADAS-cog performance
- Better sleep quality reported
- Reduced anxiety and wandering
- Effects maintained during treatment period
- Caregivers noted functional improvements
Figures
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Limitations
- Very small sample size (n=5)
- Open-label design (no placebo control)
- No blinding possible
- Short follow-up period
- Pilot study requiring replication