A new
study suggests that once weekly treatment of low-level laser therapy (LLLT) for
six weeks might be more effective than three treatments weekly for two weeks,
for noninvasive body contouring of the waist, hips and thighs.
The
six-week protocol offers a more convenient treatment plan, which, could
increase patient satisfaction, according to the authors.
Researchers
at two dermatology practices studied 54 healthy adults with body mass indexes
of 25 to 40 kg/m2, who had one weekly LLLT procedure for six consecutive weeks.
In the study, which was sponsored by Erchonia Corporation, the researchers used
Erchonia’s Zerona 6-Headed Scanner (EZ6) device with six 17 mW, 635 nm red
diodes, to contour patients’ waists, hips, thighs and upper abdomens.
They
treated patients’ backs and fronts for 30 minutes each, or a total 60 minutes,
and repeated that approach weekly for six weeks.
Measuring
the treated body area circumference weekly, the researchers defined study
success as a 4.5-inch average decrease in combined body circumference. They
used the minimum mean decrease of 4.5-inches because the FDA had determined
that to be statistically significant and clinically meaningful, based on prior
LLLT studies.
In this
study, they found a mean decrease at six weeks of 5.4 inches; 81% of patients
said they were satisfied or very satisfied with their results.
The new
study confirms and demonstrates LLLT’s effectiveness for reducing circumference
of the bilateral thighs, hips and waist. It also shows significant reductions
in upper abdomen circumference, which decreased a mean 5.4 inches, according to
the study.
Among the
limitations of the study is its small size and open-label design, according to
the authors.
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