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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03643419
Other study ID # KY20172036-1
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2018
Est. completion date December 30, 2019

Study information

Verified date August 2018
Source Xijing Hospital
Contact Tan Ding
Phone +86 13992825000
Email xijing_lllt@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study was to observe the therapeutic effect of near-infrared light irradiation on the treatment of acute spinal cord injury in humans, and whether it can promote the recovery of neurological function. Half of the patients underwent laminectomy and decompression surgery, and the other half of the patients were implanted with irradiated fibers for irradiation after surgery.


Description:

The annual incidence of spinal cord injury has increased year by year, and there is currently no effective treatment.

Near-infrared light has been widely used in clinical medicine because of its bio-stimulating effect, convenient use, harmless to the body, easy to be accepted by patients, and convenient for clinical promotion. The near-infrared light biostimulation effect can enhance the activity of various enzymes, inhibit inflammatory cells, inhibit neuronal apoptosis, and promote nerve regeneration. It has been widely confirmed and widely used in the rehabilitation of central nervous system and peripheral nerve injury. However, the position of the spinal cord is deep, and the depth of illumination used by laser treatment equipment is generally difficult to reach.

The implantable 360° scattering fiber the investigators developed was implanted in the surgical site together with the drainage tube for irradiation treatment without additional patient damage.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date December 30, 2019
Est. primary completion date June 30, 2019
Accepts healthy volunteers No
Gender All
Age group 20 Years to 70 Years
Eligibility Inclusion Criteria:

- Diagnosed as acute spinal cord injury (ASIA grade A-C) (thoracic segment) requiring surgical laminectomy

- The patient determined by the investigator to be eligible for the illuminating fiber implanted in this clinical trial

- The patient fully understands the content and requirements of this clinical trial and is able to complete the follow-up according to the time specified in the protocol

- Voluntary participation in clinical validation and signing informed consent

Exclusion Criteria:

- The patient has a systemic infection or a local infection at the target surgical site

- The patient has more than 2 segments of spinal cord injury, and the vital signs are unstable

- A patient with a malignant tumor that does not involve the target surgical site

- Patient life expectancy is less than one year

- Pregnant or lactating women

- The patient is too obese, BMI = 40

- Patients with other systemic diseases who are using corticosteroids, or patients with growth factors, or long-term use of non-steroidal anti-inflammatory drugs

- Patients have a history of endocrine diseases affecting bone metabolism (such as diabetes, metabolic bone disease, etc.) or autoimmune diseases (such as multiple sclerosis)

- Alcohol abuse within one year (average daily alcohol consumption > 40g, equivalent to 50ml alcohol 50ml, or smoking = 40 / day, or drug abusers)

- Participating in other drug or device clinical trials

Study Design


Intervention

Procedure:
Laminectomy
According to the standard procedure of laminectomy for acute spinal cord injury
Device:
Spinal nerve laser therapeutic apparatus(Composed of 808-band fully automatic control laser device and implantable 360° scattering medical fiber)
According to the standard procedure of decompression of laminectomy for acute spinal cord injury, the patient in the Near Infrared Light Irradiation Group placed the implantable 360° scattering fiber laterally above the operation area at the end of the operation. Near infrared light irradiation is applied by spinal nerve laser therapeutic apparatus every day from the day after surgery, once a day for 60 minutes each time.

Locations

Country Name City State
China Xijing Hospital Xi'an Shaanxi

Sponsors (1)

Lead Sponsor Collaborator
Xijing Hospital

Country where clinical trial is conducted

China, 

References & Publications (4)

Black B, Vishwakarma V, Dhakal K, Bhattarai S, Pradhan P, Jain A, Kim YT, Mohanty S. Spatial temperature gradients guide axonal outgrowth. Sci Rep. 2016 Jul 27;6:29876. doi: 10.1038/srep29876. — View Citation

Chen YJ, Wang YH, Wang CZ, Ho ML, Kuo PL, Huang MH, Chen CH. Effect of low level laser therapy on chronic compression of the dorsal root ganglion. PLoS One. 2014 Mar 4;9(3):e89894. doi: 10.1371/journal.pone.0089894. eCollection 2014. — View Citation

Khan I, Tang E, Arany P. Molecular pathway of near-infrared laser phototoxicity involves ATF-4 orchestrated ER stress. Sci Rep. 2015 Jun 1;5:10581. doi: 10.1038/srep10581. — View Citation

Sekhon LH, Fehlings MG. Epidemiology, demographics, and pathophysiology of acute spinal cord injury. Spine (Phila Pa 1976). 2001 Dec 15;26(24 Suppl):S2-12. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change from Baseline ASIA Rating Scale at 6 Months The ASIA rating scale was used to evaluate the patient's function, and the scores of each major item were obtained according to the weighting factors of each major item, with a total score of 0 to 100 points. 6 Months
Primary Change from Baseline ASIA Rating Scale at 12 Months The ASIA rating scale was used to evaluate the patient's function, and the scores of each major item were obtained according to the weighting factors of each major item, with a total score of 0 to 100 points. 12 Months
Primary Change from Baseline EMG at 6 Months The motor evoked potentials(MEP) and sensory evoked potentials(SEP) were evaluated, and the differences in the latency of the evoked potential N1 wave between the two groups were compared. 6 Months
Primary Change from Baseline EMG at 12 Months The motor evoked potentials(MEP) and sensory evoked potentials(SEP) were evaluated, and the differences in the latency of the evoked potential N1 wave between the two groups were compared. 12 Months
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