Skip to main content

Table 1 Characteristics of the included studies outcomes, light source parameters and combination treatment, in central nervous system disorders in clinical studies

From: Photobiomodulation combination therapy as a new insight in neurological disorders: a comprehensive systematic review

Author

Disease category

Disorder

Sex/Age

Combination therapy

Laser/(LED)

Treatment duration

Key outcomes

Zaizar et al., 2018 [30]

Neuropsychiatric

Fear and anxiety

NM / 18–65

Exposure therapy

1064 nm, 120 J/cm2, 0.25 W/cm2

NM

Combination therapy improved the outcomes of exposure therapy in pathological fear cases

Zaizar et al., 2023 [31]

Neuropsychiatric

Fear

F / 18 – 65

Exposure therapy

1064 nm, 120 J/cm2

NM

Stimulation of dlPFC and vmPFC regions did not enhance exposure therapy outcome

De Marchi et al., 2023 [32]

Neuropsychiatric

Stress

F / 44.81 ± 10.77

Static magnetic field & Pilates

905 nm, 0.085 J/cm2 (875 nm, 2.22 J/cm2 and 640 nm, 2.77 J/cm2)

12 weeks (2/week)

Increased urinary tract`s muscle strength and tone; Improved quality of life and decreased urinary lost

Arakelyan, 2005 [33]

Neurodegenerative

AD

M, F / 73.1

Magnetic field & Light chromo therapies

633 nm

6 courses delivered over 18 months, 15 procedures per course

Combination therapy by magnetic field but not light chromo therapy improved outcomes of ADAS-Cog test in AD patients

Nagy et al., 2021 [34]

Neurodegenerative

AD

M, F / 69.50

Aerobic exercise

650 nm

12 weeks (1/week)

Improved Hb level, MoCa – B basic, quality of life for AD scale and Berg Balance scale scores; Significant reduction in BMI and WHR

Tamae et al., 2020 [35]

Neurodegenerative

PD

NM / 30—80

Vacuum therapy

670, 808 nm

3 weeks (2/week)

Improved muscle pain in parkinsonians; Affected positively the quality of life

Hong et al., 2021 [36]

Neurodegenerative

PD

F / 67.53 ± 8.83

Molecular hydrogen water

940 nm, 6 mW/cm2

2 weeks

UPDRS scores began decreasing from the first week, after 1 week of therapy cessation, UPDRS scores slightly increased but the improvement remained significant compared with the baseline

Casalechi et al., 2020 [37]

Ischemia

Stroke

M, F / 45 – 60

Magnetic field

905nm, 0.71 mW/cm2 (875 nm, 19.44 mW/cm2 and 640 nm, 16.67 mW/cm2, 1.27, 3.8, 6.35 J/cm2)

4 weeks (4/week)

Positive acute effects on functional mobility in stroke survivors; Improved the 6MWT and TUG tests using a total energy of 30J per site

Ashrafi et al., 2020 [38]

Ischemia

Stroke

M, F / 63.5 ± 14.3

Low frequency electromagnetic field

840 nm

5 days

Combination therapy improved mRS, MMSE and Barthel’s index in stroke cases

Paolillo et al., 2022 [39]

Ischemia

Stroke

M, F / 59 ± 11

Neuromuscular electrical stimulation

660, 808, 980 nm, 360 J/cm2

3 months (1/week)

Improved cognitive function, pain relief, greater manual dexterity, physical and social emotional health which lead to better quality of life and well-being

Dumont et al., 2022 [40]

Ischemia

Stroke

M, F / 58.5 ± 10.04

Static magnetic field

905 nm, 0.054, 0.162, 0.271 J/cm2

640 nm, 1.27, 3.8, 6.35 J/cm2

875 nm, 1.48, 4.43, 7.41 J/cm2

4 weeks

Improvement was observed in the kinematic variable of the hip in the paretic and non-paretic limbs

da Silva et al., 2020 [41]

Nerve injury

Spinal cord injury

M, F / 36.3 ± 15.1

Physiotherapy

808 nm, 983 J/cm2, 4.72 W/cm2

4 weeks (3/week)

Leads to better sensory-motor recovery; Increased surface sensitivity, muscle strength, muscle contraction and quality of life

  1. 6MWT, the 6-min walk test; AD Alzheimer’s disease, ADAS-Cog The Alzheimer’s Disease Assessment Scale-cognitive subscale, BMI body mass index, dlPFC dorsolateral prefrontal cortex, F Female, Hb Hemoglobin, M Male, MMSE Mini-Mental State Examination, MoCa – B basic, Montreal Cognitive Assessment test for dementia, mRS modified Rankin scale, NM not mentioned, PD Parkinson’s disease, TUG Timed Up and Go test, UPDRS Unified Parkinson Disease Rating Scale, vmPFC ventromedial prefrontal cortex, WHR waist–hip ratio