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Effects of Intravenous Laser Irradiation of Blood Treatment With Different Colored Lights on Controlling Recurrent Stroke Risk Factors and Neurological Function in Stroke Patients

Effects of Intravenous Laser Irradiation of Blood Treatment With Different Colored Lights on Controlling Recurrent Stroke Risk Factors and Neurological Function in Stroke Patients: a Randomized, Cross-over Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06232499
Enrollment
30
Registered
2024-01-30
Start date
2024-01-10
Completion date
2024-12-14
Last updated
2025-04-09

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

Conditions

Stroke

Keywords

Stroke, Intravenous Laser Irradiation of Blood, Recurrent stroke risk factors

Brief summary

Introduction and Purpose: Patients with stroke have over a decade of experience with vascular laser treatment. Previous studies predominantly used low-energy vascular lasers with red light, specifically helium-neon lasers with a wavelength of 632.8nm. However, different colored lights are absorbed by cells in the body in varying proportions, leading to potentially different effects. Therefore, there is an interest in understanding the impact of other colored lights on stroke patients. To understand the practical effects of low-energy laser treatment with different colored lights on improving neurological function and controlling recurrent stroke risk factors. Methods: A randomized crossover trial will be conducted with a study population consisting of individuals aged 20 and above who have experienced their first stroke within the last 6 months. Exclusion criteria include patients with skin conditions unsuitable for injection or light exposure, those with light allergies, pregnant individuals, those with abnormal blood clotting function, those with implanted pacemakers, and individuals unable to comply with the 5-month study plan. Participants will undergo 10 sessions of infrared light and 10 sessions of blue light vascular laser treatment. Blood tests and neurological assessments will be conducted before each treatment session (10 irradiations) and at the end of the two-month washout period between the two different colored lights. Descriptive analysis and pair t-tests will be employed to compare baseline values between the two groups. Subsequently, repeated measures ANOVA will be used to analyze differences between the intervention group and the control group. The study will examine whether various influencing factors are associated with receiving vascular laser treatment with different colored lights.

Interventions

DEVICEIntravenous Laser Irradiation of Blood

The different color lights for Intravenous Laser Irradiation of Blood are red light at 808nm and blue light at 415nm

Sponsors

Taipei Hospital, Ministry of Health and Welfare
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Outcomes Assessor)

Eligibility

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

Inclusion criteria

1. Diagnosed as a first-time stroke patient. 2. Onset of illness within 6 months of enrollment. 3. Recruitment period from January to December of the year 113. 4. All participants or their legal representatives must sign the informed consent form.

Exclusion criteria

1. Skin diseases that make injection or photosensitivity unsuitable. 2. Pregnancy and abnormal blood clotting function. 3. Presence of a cardiac pacemaker. 4. Inability to comply with the 5-month study plan.

Design outcomes

Primary

MeasureTime frameDescription
Blood urea nitrogen (BUN) testbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganCan reveal whether your urea nitrogen levels are higher than normal, suggesting that your kidneys may not be working properly.
Creatinine testbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganMeasure of how well your kidneys are performing their job of filtering waste from your blood.
Uric acid levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganUric acid levels are typically 2.5-7.0 milligrams per deciliter (mg/dL) in males and 1.5-6.0 mg/dL in females. Low levels are rare, but high levels can lead to gout, kidney disease, and other health issues.
Blood cholesterolbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood lipid control
Blood triglyceridesbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood lipid control
High-Density Lipoprotein levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood lipid control
Low-Density Lipoprotein levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood lipid control
Blood Glucose after mealbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood glucose control
Hemoglobin A1c levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood glucose control
Complete Blood Count testbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood cell ratio control
Blood Prothrombin Timebefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood coagulation function control
Activated Partial Thromboplastin Time levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood coagulation function control
Blood Tumor Necrosis Factor-alpha levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood Inflammation control
Blood Interleukin-6 levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood Inflammation control
High-sensitivity C-reactive Protein levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood Inflammation control
Erythrocyte Sedimentation Rate levelsbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganIndicates blood Inflammation control
Modified Rankin Scale (MRS)before treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganThe Modified Rankin Scale is a scale that measures the degree of disability or dependence in daily activities following a neurological event, such as a stroke.
Barthel Index and IADL (Instrumental Activities of Daily Living) Scoresbefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganAssesses a person's ability to perform basic activities of daily living (ADL), such as bathing, dressing, and feeding. Instrumental Activities of Daily Living extends the assessment to more complex activities, including managing finances and using transportation.
MMSE (Mini-Mental State Examination) Scorebefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganMMSE is a widely used screening tool for cognitive impairment. It evaluates various cognitive functions, including orientation, memory, and language. Changes in MMSE scores may indicate alterations in cognitive abilities, providing insights into the impact of interventions on cognitive function.
Berg Balance Test Scorebefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganThe Berg Balance Test assesses a person's balance and risk of falling. It includes tasks such as standing on one foot and turning around. Changes in Berg Balance Test scores can indicate improvements or declines in balance and stability.
Fugl-Meyer Assessment Scorebefore treatment, two weeks after trial began, 2 months and two weeks after trial began, 3 months after trial began, 5 months after trial beganThe Fugl-Meyer Assessment is commonly used to evaluate motor recovery after stroke. It assesses motor function, balance, and sensation. Changes in Fugl-Meyer scores can indicate improvements or declines in motor function and overall recovery.

Countries

Taiwan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026