PBM Effects on Health and Well-being in Humans

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-01-01

Study Completion Date

2023-05-31

Brief Summary

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The goal of this clinical study is to assess the effects of different photobiomodulation (PBM) conditions in men and women between 25 and 65 years old with daytime sleepiness/drowsiness and /or mild mood complaints but be otherwise healthy. The main question it aims to answer are:

1. Does PBM significantly affect health and well-being?
2. Are PBM effects wavelength dependent?
3. Are PBM effects pulse dependent?
4. Are the eyes needed to assert an PBM effect or is exposure only to the skin sufficient?
5. What are the cellular, metabolic pathways underlying the systemic effects of PBM.

Participants will have to:

1. Exposed themselves 5 times per week during 2 weeks to the PBM stimuli between 9:30 and 12:30.
2. A week before the baseline measurement, participants will have to start wearing a Fitbit Versa 3, and will have to continuously wear until the end of the study.
3. In the afternoon of the baseline day as well as in the afternoons after 5 and 10 PBM sessions (week 1 and week 2, respectively), participants will have to go to the lab for blood withdraw.
4. In the evening of the baseline day as well as in the evenings after 5 and 10 PBM sessions (week 1 and week 2, respectively), participants will have to collect saliva samples as well as to complete questionnaires.

It will be a double-blind placebo-controlled field study with a between subject comparison.

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Detailed Description

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Five conditions (groups) will be tested:

Dose (J.cm-2) Wavelength (nm) Pulse (Hz,ms) Duty factor Area Cond 1 6.5 850 15, 8 12% Skin + eyes Cond 2 6.5 940 15, 8 12% Skin + eyes Cond 3 6.5 850 100, 1 12% Skin + eyes Cond 4 0 850 15, 8 12% Skin + eyes Cond 5 6.5 850 15, 8 12% Skin

Conditions

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Sleep Deprivation Circadian Rhythm Disorders

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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placebo

No PBM will be emitted from the device; dose: 0 J.cm-2

Group Type NO_INTERVENTION

No interventions assigned to this group

PBM High standard

A PBM high standard dose of 6.5 J.cm-2 with a wavelength of 850 nm, a pulse of 15 Hz and 8 ms and duty factor of 12%

Group Type EXPERIMENTAL

PBM

Intervention Type DEVICE

In this study, the health benefits of the addition of NIR to the light spectrum of a desk lamp already available in the market will be investigate; Ikea Ypeperlig, to which a module with high power Lumileds NIR-Leds will be attached with beam angle of 90 degrees. They will be attached in such a way that, when the lamp is installed in the right place, a 1sr beam that covers the users face, neck and hands and lower arms on the desk with the required intensity of 5mW/cm2 of NIR at the skin surface.

The device will be equipped with 3 sensors:

1. A distance sensor connected to the driver of the NIR-leds, such that when the user leans forward or backward, the intensity of the NIR is automatically adjusted such that the intensity on the skin remains 5mW/cm2 (see figure below).
2. a presence sensor
3. ambient vertical lux sensor by which amount of light that enters the users' eye will be measured since it is known that these have an effect sleep, mood and performance.

PBM High wavelength

A PBM high dose of 6.5 J.cm-2 with a wavelength of 940 nm, a pulse of 15 Hz and 8 ms and duty factor of 12%

Group Type EXPERIMENTAL

PBM

Intervention Type DEVICE

In this study, the health benefits of the addition of NIR to the light spectrum of a desk lamp already available in the market will be investigate; Ikea Ypeperlig, to which a module with high power Lumileds NIR-Leds will be attached with beam angle of 90 degrees. They will be attached in such a way that, when the lamp is installed in the right place, a 1sr beam that covers the users face, neck and hands and lower arms on the desk with the required intensity of 5mW/cm2 of NIR at the skin surface.

The device will be equipped with 3 sensors:

1. A distance sensor connected to the driver of the NIR-leds, such that when the user leans forward or backward, the intensity of the NIR is automatically adjusted such that the intensity on the skin remains 5mW/cm2 (see figure below).
2. a presence sensor
3. ambient vertical lux sensor by which amount of light that enters the users' eye will be measured since it is known that these have an effect sleep, mood and performance.

PBM High pulse

A PBM high dose of 6.5 J.cm-2 with a wavelength of 850 nm, a pulse of 100 Hz and 1.2 ms and duty factor of 12%

Group Type EXPERIMENTAL

PBM

Intervention Type DEVICE

In this study, the health benefits of the addition of NIR to the light spectrum of a desk lamp already available in the market will be investigate; Ikea Ypeperlig, to which a module with high power Lumileds NIR-Leds will be attached with beam angle of 90 degrees. They will be attached in such a way that, when the lamp is installed in the right place, a 1sr beam that covers the users face, neck and hands and lower arms on the desk with the required intensity of 5mW/cm2 of NIR at the skin surface.

The device will be equipped with 3 sensors:

1. A distance sensor connected to the driver of the NIR-leds, such that when the user leans forward or backward, the intensity of the NIR is automatically adjusted such that the intensity on the skin remains 5mW/cm2 (see figure below).
2. a presence sensor
3. ambient vertical lux sensor by which amount of light that enters the users' eye will be measured since it is known that these have an effect sleep, mood and performance.

PBM High skin only

A PBM high standard dose of 6.5 J.cm-2 with a wavelength of 850 nm, a pulse of 15 Hz and 8 ms and duty factor of 12%, but in this case the participants will wear filtering googles which will not allow PBM from entering the eyes

Group Type EXPERIMENTAL

PBM

Intervention Type DEVICE

In this study, the health benefits of the addition of NIR to the light spectrum of a desk lamp already available in the market will be investigate; Ikea Ypeperlig, to which a module with high power Lumileds NIR-Leds will be attached with beam angle of 90 degrees. They will be attached in such a way that, when the lamp is installed in the right place, a 1sr beam that covers the users face, neck and hands and lower arms on the desk with the required intensity of 5mW/cm2 of NIR at the skin surface.

The device will be equipped with 3 sensors:

1. A distance sensor connected to the driver of the NIR-leds, such that when the user leans forward or backward, the intensity of the NIR is automatically adjusted such that the intensity on the skin remains 5mW/cm2 (see figure below).
2. a presence sensor
3. ambient vertical lux sensor by which amount of light that enters the users' eye will be measured since it is known that these have an effect sleep, mood and performance.

Interventions

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PBM

In this study, the health benefits of the addition of NIR to the light spectrum of a desk lamp already available in the market will be investigate; Ikea Ypeperlig, to which a module with high power Lumileds NIR-Leds will be attached with beam angle of 90 degrees. They will be attached in such a way that, when the lamp is installed in the right place, a 1sr beam that covers the users face, neck and hands and lower arms on the desk with the required intensity of 5mW/cm2 of NIR at the skin surface.

The device will be equipped with 3 sensors:

1. A distance sensor connected to the driver of the NIR-leds, such that when the user leans forward or backward, the intensity of the NIR is automatically adjusted such that the intensity on the skin remains 5mW/cm2 (see figure below).
2. a presence sensor
3. ambient vertical lux sensor by which amount of light that enters the users' eye will be measured since it is known that these have an effect sleep, mood and performance.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

Healthy, no chronic disease

* Age between 25 - 65 years.
* Suffer from daytime sleepiness/drowsiness and or a mild mood disturbance (ESS \>5 or BDI equal to or higher than 13 but lower than 20, PSQI \> 5)
* Participants will have to have a desk type of work and/or have 3 hours per day between 9:30 am and 12:30 at their office/home in which they could sit in front of the lamp.

Exclusion Criteria

Depressive mood (BDI -II \> 20)

* Pregnancy
* Menopause symptoms
* Drug use during the last three months known to interfere with sleep, alertness, the biological clock and/or light sensitivity (i.e. regular usage of sleep medication or stimulating substances)
* Use of immune suppressants. High levels of caffeine intake during a day (5 or more cups, according to https://www.voedingscentrum.nl/encyclopedie/cafeine.aspx#blok7, there are no negative effects expected from 4 caffeine products in normal adults)
* High alcohol intake (more than 4 for men and more than 3 for women, drinks per day) for more than 5 days in the past month, including binge drinking and heavy drinking according to https://www.niaaa.nih.gov/publications/brochures-and- fact-sheets/alcohol-facts-and-statistics.
* Participant is not able to refrain from using recreational drugs during the 4 weeks of the study.
* Shift work schedule in the 3 months prior to participation and/or planned during the 2 weeks of the study
* Environmental factors in everyday life that may disturb sleep and cannot be prohibited (e.g. young children, noisy environment)
* Travel over 2 or more time zones in the month prior to participation
* Travel to sunny holiday locations/wintersports 1 month before participation
* Personal plans that prevent them for using the intervention during 2 consecutive weeks

Minimum Eligible Age

25 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes