Whats the working hypothesis? This is it: Scientific Background of PhotoThera
Then there is this for Alzheimers:
http://www.photothera.com/clinical-trials
PhotoThera, Inc. is a medical device company whose platform technology seeks to employ penetrating near-infrared laser energy to treat a broad range of diseases and health conditions. The company is initially focused on the treatment of ischemic stroke and is engaged in a clinical study to investigate the effect of its Transcranial Laser Therapy (TLT) when used within 24 hours of the onset of stroke symptoms.
The link has the results for NEST-1 and NEST-2 trials
NEST-2 conclusions here:
Conclusions— TLT within 24 hours from stroke onset demonstrated safety but did not meet formal statistical significance for efficacy. However, all predefined analyses showed a favorable trend, consistent with the previous clinical trial (NEST-1). Both studies indicate that mortality and adverse event rates were not adversely affected by TLT. A definitive trial with refined baseline National Institutes of Health Stroke Scale exclusion criteria is planned. (ok, it doesn't do anything positive but it isn't bad for you.)
| Clinical Application | Study | Subjects | Study Type | Status |
| Ischemic Stroke | NeuroThera Effectiveness and Safety Trial-1 (NEST-1) | 120 | Placebo-controlled, Double Blind, Randomized 2:1 | Complete |
| Ischemic Stroke | NeuroThera Effectiveness and Safety Trial-2 (NEST-2) | 660 | Placebo-controlled, Double Blind, Randomized 1:1 | Complete |
| Ischemic Stroke | NeuroThera Efficacy and Safety Trial-3 (NEST-3) | 1,000 | Placebo-controlled, Double Blind, Randomized 1:1 | Enrolling |
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