The Investigation of Therapeutic Effect and Platelet Activity After ILIB for Ischemic Stroke Patient

The Investigation of Therapeutic Effect and Platelet Activity After Intravenous Laser Irradiation of Blood for Ischemic Stroke Patient

The aim of our study is to therapeutic effect and platelet activity after intravenous laser irradiation of blood for ischemic stroke patient

Study Overview

• Status: Completed
• Conditions: Ischemic Stroke
• Intervention / Treatment: Device: Intravascular laser irradiation of blood

Detailed Description

Background : This research is designed through randomization, control, and double-blind trial to explore the clinical effectiveness of intravenous laser irradiation of blood for ischemic stroke patient; The research will further explore the changes in platelet activity after treatment. The light accelerates blood and cells circulation in the human body, so that protein molecular structure would promote changes. Pain control is indicated in such treatment, but still lacking evidence of neurological symptoms and functional improvement.

Purpose:This research is designed through randomization, control, and double-blind trial to therapeutic effect and platelet activity after intravenous laser irradiation of blood for ischemic stroke patient. Furthermore, to establish a new way of clinical rehabilitation therapy.

Method: The investigators plan to recruit 20 patients who are between the ages of 20 to 80 years old. The participants are required to have clear conscious and be able to communicate. The patient with mild to moderate stroke ( NIHSS=1-15), which onset between one month to 2 years will be included. The treatment group will receive an intravenous helium-neon laser phototherapy. A vein indwelling needle will be placed in their veins located in the upper elbow, and the laser fiber catheter will be introduced through the indwelling cannula. The power is set between 2.5 ~ 3.0Mw, 60 minutes each time, once a day for five consecutive days each week, for 2 weeks (total 10 times in one course). The steps for the control group are the same, except that the output power is adjusted to zero intensity. This plan will be explained to the patient in detail during the outpatient visit and patients will sign the consent form upon agreement. Before intravenous laser irradiation, three days, one month, and three months after the therapy, 20 ml of autologous peripheral venous blood need to be drawn for basic blood tests and platelet activity tests. At the same time, the clinical functions of patients will be evaluated, including NIHSS, mRS and Stroke Impact Scale (SIS).

• Study Type: Interventional
• Enrollment (Actual): 20
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Taiwan
  • Taipei, Taiwan
    • Tri-Service General Hospital

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 20 years to 80 years (Adult, Older Adult)
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• Aged between 20 to 80 years old
• Able to speak and understand Mandarin/Taiwanese
• No cognitive impairment
• Residual motor function impairment (mRS>1)
• Mild stroke (NIHSS=1-4) or Moderate stroke(NIHSS=5-15)
• No psychological disease

Exclusion Criteria:

• Severe stroke (NIHSS=16-42)
• History of intracerebral hemorrhage and other major surgery
• History of malignancy, chronic kidney disease
• Active infection
• Chronic hepatitis B or Chronic hepatitis C
• Unstable angina or acute myocardial infarction within 6 months
• Severe cognition impairment
• Pregnancy

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Quadruple

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: treatment group; The treatment group receive an intravenous helium-neon laser phototherapy. A vein indwelling needle will be placed in their veins located in the upper elbow, and the laser fiber catheter will be introduced through the indwelling cannula. The laser power is set between 2.5 ~ 3.0Mw, 60 minutes each time, once a day for five consecutive days each week, for 2 weeks (total 10 times in one course)	Device: Intravascular laser irradiation of blood; Low intensity intravenous laser irradiation of blood phototherapy is a method of a 632.8 nm red light penetrate into a vein through fiber and the brightness is 100 fold of the sun. The light accelerates blood and cells circulation in the human body, so that protein molecular structure would promote changes.
Sham Comparator: control group; The steps for the control group are the same as the treatment group, except that the output power is adjusted to zero intensity.	Device: Intravascular laser irradiation of blood; Low intensity intravenous laser irradiation of blood phototherapy is a method of a 632.8 nm red light penetrate into a vein through fiber and the brightness is 100 fold of the sun. The light accelerates blood and cells circulation in the human body, so that protein molecular structure would promote changes.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
National Institutes of Health Stroke Scale (NIHSS)	NIHSS is a measure of the severity of symptoms associated with ischemic stroke and is used as a quantitative measure of neurological deficit post stroke. NIHSS score is composed of 11 items, including consciousness, eye movement, visual fields, muscle power of four limbs, limbs ataxia, sensation, language, dysarthria and extinction. Each of which scores a specific ability between a 0 and 4. For each item, a score of 0 typically indicates normal function in that specific ability, while a higher score is indicative of some level of impairment. Total score are between 0-42. Measure before intravenous laser irradiation, three days, one month, and three months after the therapy.	3 month
Modified Rankin Scale (mRS)	The Modified Rankin Scale (mRS) is used to measure the degree of disability or dependence in the daily activities in patients who have had a stroke 0: No symptoms at all; No significant disability despite symptoms; able to carry out all usual duties and activities; Slight disability; unable to carry out all previous activities, but able to look after own affairs without assistance; Moderate disability; requiring some help, but able to walk without assistance; Moderately severe disability; unable to walk without assistance and unable to attend to own bodily needs without assistance; Severe disability; bedridden, incontinent and requiring constant nursing care and attention; Dead Measure before intravenous laser irradiation, three days, one month, and three months after the therapy.	3 month
Stroke Impact Scale(SIS)	The Stroke Impact Scale (SIS) is a newly developed comprehensive outcome measure consists of items measuring 8 domains- strength, hand function, activities of daily living (ADL) and instrumental ADL, mobility, communication, emotion, memory and thinking, and participation. It was based on feedback from patients and their caregivers. Measure before intravenous laser irradiation, three days, one month, and three months after the therapy.	3 month

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Platelet activity	Platelet aggregation test. Measure before intravenous laser irradiation, three days, one month, and three months after the therapy.	3 month

Collaborators and Investigators

• Sponsor: Tri-Service General Hospital
• Investigators: Principal Investigator: Liang-Cheng Chen, MD,MS, Department of Physical Medicine and Rehabilitation, Tri-Service General Hospital

Study record dates

Study Major Dates

• Study Start (Actual): July 28, 2022
• Primary Completion (Actual): July 31, 2024
• Study Completion (Actual): August 31, 2024

Study Registration Dates

• First Submitted: July 9, 2022
• First Submitted That Met QC Criteria: July 9, 2022
• First Posted (Actual): July 13, 2022

Study Record Updates

• Last Update Posted (Actual): March 25, 2025
• Last Update Submitted That Met QC Criteria: March 13, 2025
• Last Verified: July 1, 2024

More Information

Terms related to this study

• Keywords: Ischemic Stroke; intravenous laser irradiation of blood; platele activity
• Additional Relevant MeSH Terms: Cerebrovascular Disorders; Brain Diseases; Central Nervous System Diseases; Nervous System Diseases; Vascular Diseases; Cardiovascular Diseases; Pathologic Processes; Brain Infarction; Brain Ischemia; Infarction; Necrosis; Ischemic Stroke; Stroke; Cerebral Infarction; Ischemia
• Other Study ID Numbers: TSGH-D-111106

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: No