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Light Therapy for Moderate Traumatic Brain Injury

Low Level Light Therapy (LLLT) With Near Infrared Light Emitting Diodes in Patients With Moderate Traumatic Brain Injury (TBI)

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02233413
Acronym
LLLT for TBI
Enrollment
68
Registered
2014-09-08
Start date
2014-06-30
Completion date
2020-07-31
Last updated
2020-12-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Moderate Traumatic Brain Injury (TBI)

Keywords

Traumatic brain injury, TBI, Low-level light therapy, LLLT, LLLT helmet

Brief summary

The purpose of this research study is to find out if a specialized helmet that provides low levels of near infrared light, also known as low-level light therapy (LLLT) has any effect on the recovery of people who have recently (within 72h) suffered a moderate traumatic brain injury (TBI).

Detailed description

The specific aim of this pilot study is to determine the feasibility of using the LLLT helmet in patients with moderate TBI and to quantify the response to LLLT using magnetic resonance (MR) and clinical outcome measures. We hypothesize that we will be able to quantify the response to LLLT through MR imaging and clinical outcome measures.

Interventions

DEVICEActive LLLT helmet application

LED helmet applied with light activated

DEVICENon-active LLLT helmet application

LED helmet applied without light activated

Sponsors

Massachusetts General Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* At least 18 years old; * Injury within 72 hours at the time of consent; * Head injury requiring hospital admission; * A Glasgow Coma Scale (GCS) score of 9-12 or 13-15 with abnormal imaging.

Exclusion criteria

* Need for emergency neurosurgical intervention (including placement of intracranial pressure monitoring devices or drainage catheters); * Hemodynamic instability as determined by the clinician; * History of any of the following: (i) brain tumor; (ii) prior TBI occurring within the past year and requiring hospital admission; (iii) a new diagnosis within the past year of either stroke or epilepsy; (iv) an established diagnosis of any of the following neurodegenerative diseases: Alzheimer's, Picks, Parkinson's, Lewy body dementia, Huntington's, amytropic lateral sclerosis, spinocerebellar ataxia, vascular dementia, HIZ-associated dementia, dementia due to metabolic causes (Addison, Cushing, hypothyroidism, renal failure, prophyrias, Wilson, mitochondrial diseases, Wernicke-Korsakoff syndrome, and dementia of unknown etiology. * Pregnancy (all women of child-bearing age will need to have a negative pregnancy test prior to the start of the interventional portion of the study); * Electrical implants such as cardiac pacemakers or perfusion pumps; * Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants, or any other contra-indications to MRI. * Clinical determination that subject cannot undergo MRI * Breastfeeding * Unstable cervical fractures * Scalp lacerations or surgical wounds severe enough to preclude safe application of device * Unreliable to follow up

Design outcomes

Primary

MeasureTime frameDescription
Safety and Feasibility of Applying Light Therapy After Moderate TBIup to seven days after enrollmentNumber of subjects to successfully complete light therapy without serious unanticipated adverse events related to application of the device.

Secondary

MeasureTime frameDescription
Neuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)up to 3 months after treatmentThe presence of chronic white matter disease was evaluated using Fazekas scale. The scale divides the white matter in periventricular and deep white matter, and each region is given a grade depending on the size and confluence of lesions. periventricular white matter (PVWM). 0 = absent 1. = caps or pencil-thin lining 2. = smooth halo 3. = irregular periventricular signal extending into the deep white matter A neuroradiologist evaluated the 3D T2-SPACE-FLAIR images to detect the presence of T2 hyperintensities and their degree (0: absent; 1: mild; 2: moderate; and 3: severe) for PVWM. Higher values represent a worse outcome.
Neuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)up to 3 months after treatmentThe presence of chronic white matter disease was evaluated using Fazekas scale. The scale divides the white matter in periventricular and deep white matter, and each region is given a grade depending on the size and confluence of lesions. deep white matter (DWM) 0 = absent 1. = punctate foci 2. = beginning confluence 3. = large confluent areas A neuroradiologist evaluated the 3D T2-SPACE-FLAIR images to detect the presence of T2 hyperintensities and their degree (0: absent; 1: mild; 2: moderate; and 3: severe) for DWM. Higher values represent a worse outcome.
Neuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ scores were collected at approx 72 hours, 14 days, 3 months, and 6 months and the mean was calculated for the values reported.RPQ is a 16 item self-assessment questionnaire completed via an in-person or phone interview. Each item in the questionnaire is assessed on a 5-point scale ranging from 0 (no problem) - 4 (severe problem). The questions are grouped in two non-overlapping sets: the RPQ-3 includes early, objective, physical symptoms, and the RPQ-13 group includes later, more cognitive and behavioral symptoms. The RPQ-3 encompasses headache, dizziness, and nausea/vomiting. The RPQ-13 includes questions evaluating noise sensitivity, sleep disturbance, fatigue, irritability, depressed mood, forgetfulness, poor concentration, longer thinking time, blurred vision, light sensitivity, double vision, and restlessness. The RPQ-3 ranges from 0 - 12 (best to worst) and RPQ-13 ranges from 0 - 52 (best to worst). RPQ Total is the theoretical max/min RPQ score with a combined possible score ranging from 0-64 (best to worst). The outcome measures are

Countries

United States

Participant flow

Participants by arm

ArmCount
Non-active LLLT Helmet Application
A helmet containing near infrared LED's (LLLT helmet) will be applied to the head, however, the LEDs will not be turned on / activated. Non-active LLLT helmet application: LED helmet applied without light activated
24
Active LLLT Helmet Application
A helmet containing near infrared LEDs (LLLT helmet) will be applied and the LEDs will be turned on/activated Active LLLT helmet application: LED helmet applied with light activated
19
Total43

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyLost to Follow-up79
Overall StudyWithdrawal by Subject45

Baseline characteristics

CharacteristicActive LLLT Helmet ApplicationTotalNon-active LLLT Helmet Application
Age, Continuous46.05 years
STANDARD_DEVIATION 19.93
50.49 years
STANDARD_DEVIATION 17.44
54.00 years
STANDARD_DEVIATION 14.68
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants9 Participants6 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
16 Participants32 Participants16 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants2 Participants2 Participants
Injury Mechanism
Bike/Motorcycle Accident with Helmet
0 Participants4 Participants4 Participants
Injury Mechanism
Bike/Motorcycle Accident without Helmet
1 Participants1 Participants0 Participants
Injury Mechanism
Fall
11 Participants25 Participants14 Participants
Injury Mechanism
Other
0 Participants1 Participants1 Participants
Injury Mechanism
Pedestrian accident with car/motorcycle/bike
1 Participants4 Participants3 Participants
Injury Mechanism
Restrained Automobile Accident
3 Participants3 Participants0 Participants
Injury Mechanism
Unrestrained Automobile Accident
0 Participants1 Participants1 Participants
Injury Mechanism
Violence/assault
3 Participants4 Participants1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Black or African American
3 Participants4 Participants1 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants5 Participants4 Participants
Race (NIH/OMB)
White
15 Participants33 Participants18 Participants
Sex: Female, Male
Female
9 Participants21 Participants12 Participants
Sex: Female, Male
Male
10 Participants22 Participants12 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 310 / 28
other
Total, other adverse events
20 / 3113 / 28
serious
Total, serious adverse events
7 / 314 / 28

Outcome results

Primary

Safety and Feasibility of Applying Light Therapy After Moderate TBI

Number of subjects to successfully complete light therapy without serious unanticipated adverse events related to application of the device.

Time frame: up to seven days after enrollment

Population: Subjects who completed light or sham treatment and at least one MRI scan. 43 patients completed the study with at least one MRI scan, 19 subjects in the Light treatment group and 24 subjects in the sham treatment group.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Non-active LLLT Helmet ApplicationSafety and Feasibility of Applying Light Therapy After Moderate TBI24 Participants
Active LLLT Helmet ApplicationSafety and Feasibility of Applying Light Therapy After Moderate TBI19 Participants
Secondary

Neuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)

The presence of chronic white matter disease was evaluated using Fazekas scale. The scale divides the white matter in periventricular and deep white matter, and each region is given a grade depending on the size and confluence of lesions. deep white matter (DWM) 0 = absent 1. = punctate foci 2. = beginning confluence 3. = large confluent areas A neuroradiologist evaluated the 3D T2-SPACE-FLAIR images to detect the presence of T2 hyperintensities and their degree (0: absent; 1: mild; 2: moderate; and 3: severe) for DWM. Higher values represent a worse outcome.

Time frame: up to 3 months after treatment

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Absent(0)/Puctuate foci(1)19 Participants
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Beginning confluence (2)3 Participants
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Large confluent areas1 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Absent(0)/Puctuate foci(1)16 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Beginning confluence (2)3 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Deep White Matter (DWM)DWM: Large confluent areas0 Participants
Secondary

Neuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)

The presence of chronic white matter disease was evaluated using Fazekas scale. The scale divides the white matter in periventricular and deep white matter, and each region is given a grade depending on the size and confluence of lesions. periventricular white matter (PVWM). 0 = absent 1. = caps or pencil-thin lining 2. = smooth halo 3. = irregular periventricular signal extending into the deep white matter A neuroradiologist evaluated the 3D T2-SPACE-FLAIR images to detect the presence of T2 hyperintensities and their degree (0: absent; 1: mild; 2: moderate; and 3: severe) for PVWM. Higher values represent a worse outcome.

Time frame: up to 3 months after treatment

Population: Of the 68 patients that were randomized, 28 completed at least one light therapy session. 43 patients completed the study with at least one MRI scan. 19 subjects in the light treatment group and 24 subjects in the sham treatment group. One MRI was deemed low quality and excluded from analysis (19 light treatment / 23 sham)

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Absent / Caps or pencil-thin lining (1)19 Participants
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Smooth halo (2)3 Participants
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Irregular periventricular signal (3)1 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Absent / Caps or pencil-thin lining (1)18 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Smooth halo (2)1 Participants
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on MRI Using the Fazekas Scale for Periventricular White Matter (PVWM)PVWM: Irregular periventricular signal (3)0 Participants
Secondary

Neuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive Function

RPQ is a 16 item self-assessment questionnaire completed via an in-person or phone interview. Each item in the questionnaire is assessed on a 5-point scale ranging from 0 (no problem) - 4 (severe problem). The questions are grouped in two non-overlapping sets: the RPQ-3 includes early, objective, physical symptoms, and the RPQ-13 group includes later, more cognitive and behavioral symptoms. The RPQ-3 encompasses headache, dizziness, and nausea/vomiting. The RPQ-13 includes questions evaluating noise sensitivity, sleep disturbance, fatigue, irritability, depressed mood, forgetfulness, poor concentration, longer thinking time, blurred vision, light sensitivity, double vision, and restlessness. The RPQ-3 ranges from 0 - 12 (best to worst) and RPQ-13 ranges from 0 - 52 (best to worst). RPQ Total is the theoretical max/min RPQ score with a combined possible score ranging from 0-64 (best to worst). The outcome measures are

Time frame: RPQ scores were collected at approx 72 hours, 14 days, 3 months, and 6 months and the mean was calculated for the values reported.

ArmMeasureGroupValue (MEAN)Dispersion
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-34.55 score on a scaleStandard Deviation 3.13
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-Total17.18 score on a scaleStandard Deviation 10.01
Non-active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-1312.64 score on a scaleStandard Deviation 7.83
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-33.94 score on a scaleStandard Deviation 3.19
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-1310.94 score on a scaleStandard Deviation 9.98
Active LLLT Helmet ApplicationNeuroreactivity of Light Therapy to the Injured Brain Based on Neurcognitive FunctionRPQ-Total14.88 score on a scaleStandard Deviation 12.08

Source: ClinicalTrials.gov · Data processed: Feb 17, 2026