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🧑 Human (elderly women) 🎲 Randomized trial 👥 11 participants ⌛ (?) · 2026 · Brazil (São Paulo)

Intraoperative Intramedullary Photobiomodulation Therapy for Consolidation of Atypical Femoral Fractures in Elderly Women: A Pilot Study

Oksman · J Stem Cells Regen Med · 2026

The protocol this study used

Wavelength
638 nm
Dose
407.64 J/cm²
Sessions
1
Per session
16 sec

What the authors concluded

No statistically significant differences in healing, complications, or function were observed. However, a trend toward improved RUSTm scores in the PBMT group emerged.

Devices that emit this wavelength

Matched on wavelength within 15nm, since LED bins vary by roughly that much and a tighter match would be false precision. Where we have an irradiance figure, the session length is the time needed to reach this study's dose of 407.64 J/cm² at that intensity.

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MitoPRO 1500+
630 · 660 · 830 · 850 nm
Measured
$1,169
≈ 88 min 49 sec / session
at 76.5 mW/cm²
MitoPRO 1500X
590 · 630 · 660 · 810 · 830 · 850 nm
Measured
$1,299
≈ 126 min 59 sec / session
at 53.5 mW/cm²
PlatinumLED BIOMAX 900
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$1,299
≈ 75 min 14 sec / session
at 90.3 mW/cm²
MitoADAPT MAX 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$1,499
≈ 137 min 32 sec / session
at 49.4 mW/cm²
MitoADAPT MIN 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$549
≈ 166 min 56 sec / session
at 40.7 mW/cm²
PlatinumLED BIOMAX 300
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$659
≈ 97 min 3 sec / session
at 70 mW/cm²

Matching a wavelength is not the same as reproducing a trial. Session times assume the device's published irradiance is accurate at the distance it was measured, which on brand-claim figures is often optimistic. Where a device publishes both a peak and an average we use the average, and where it publishes a falloff curve we use the lowest figure, so these times run long rather than short. Clinical protocols also control for spot size, contact and skin type in ways a home device cannot.

Source

PubMed 42212250 →

Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.