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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06102798
Other study ID # 2023-039-KY-01
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 14, 2023
Est. completion date December 30, 2025

Study information

Verified date October 2023
Source Guang'anmen Hospital of China Academy of Chinese Medical Sciences
Contact Zhishun Liu, PhD
Phone 86-010-88002331
Email zhishunjournal@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The clinical trial aims to evaluate the efficacy and safety of acupuncture in alleviating neurogenic claudication symptoms among patients with degenerative lumbar spinal stenosis (LSS).


Recruitment information / eligibility

Status Recruiting
Enrollment 420
Est. completion date December 30, 2025
Est. primary completion date September 30, 2025
Accepts healthy volunteers No
Gender All
Age group 50 Years to 80 Years
Eligibility Inclusion Criteria: 1. Meet the diagnosis criteria of LSS; 2. Aged between 50-80 years; 3. Neurogenic claudication (NC) for more than 3 months; 4. Able to walk for at least 20 meters continually without device assistance, and forced to stopped walking out of NC within 30 mins in the meanwhile; 5. The average pain of buttocks and/or legs scores=4 on the Numerical Rating Scale (NRS) when walking, standing, or extending the back in the past week; 6. More severe pain in the buttock and/or leg than in the lower back; 7. Score at least 7 on Modified Roland-Morris Disability Questionnaire(RMDQ); 8. Central sagittal diameter stenosis of lumbar spinal canal as manifested by MRI or CT scan; 9. Volunteer to participate the trial and provide written informed consent. Exclusion Criteria: 1. Non-degenerative LSS, such as congenital, post-traumatic or spondylolisthesis LSS; operation indications, such as segmental muscular atrophy, bowel and bladder disfunction, and spinal instability; tuberculosis or tumor in the lumbar area; or multiple vertebral compression fracture or compression fracture in the segment of stenosis; 2. Vascular claudication; 3. Severe heart, pulmonary, liver and/or kidney diseases; 4. Clinical comorbidities that may interfere with the assessment of pain intensity or walking ability, such as fibromyalgia, chronic widespread pain, amputation, stroke, Parkinson's disease, spinal cord injury, severe diabetes, and severe hypertension etc; 5. Unable to complete motorized treadmill test at the speed of 2km/h; 6. Severe psychiatric disorder or cognitive impairment that prevent the understanding of the outcome evaluating questionnaires; 7. A history of lumbar surgery; 8. Have received acupuncture treatments in the previous 2 weeks;

Study Design


Intervention

Device:
Acunpuncture
For the bilateral" BL25", sterile disposable steel needles (Hwato, China; 0.3 mm×75 mm) will be inserted through adhesive pads to a depth of 50-70mm until participates feel a sensation similar to electric shock radiating downward to the knees. For the other four acupoints (BL23, BL40, BL57 and KI3), the needles (Hwato, China; 0.3 mm×40 mm) will be inserted through adhesive pads to a depth of 15-25 mm, gently rotated three times and lifted to achieve de qi.
Sham acupuncture
For all the points, the needles will be inserted into adhesive pads without skin penetration. Needles will be lifted, thrust and twirled for 3 times to mimic real acupuncture. No manipulation will be conducted during 30-minute maintenance.

Locations

Country Name City State
China Guang'anmen Hospital, China Academy of Chinese Medical Sciences Beijing

Sponsors (1)

Lead Sponsor Collaborator
Guang'anmen Hospital of China Academy of Chinese Medical Sciences

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Other Expectance assessment Expectancy of acupuncture will be recorded at baseline. Participants will be required to answer two questions: "In general, do you believe acupuncture is effective for treating the illness?" and "Do you think acupuncture will be helpful to improve your symptoms of LSS?" Baseline
Other Blinding assessment Participants will be asked do you think you have received traditional acupuncture over the past 6 weeks. Within 5 minutes after the either treatment in week 6
Primary The proportion of participants who achieves at least 30% improvement in total walking distance from baseline. The total walking distance is defined as the distance that participants forced to stop due to symptoms of neurogenic claudication or a time limit of 30 minutes during the motorized treadmill test (MTT). Weeks 6 and 18
Secondary The proportion of participants who have at least 50% reduction from baseline in the average scores of buttocks and/or legs pain when walking, standing, or extending the back in the past week as measured by the Number Rating Scale (NRS). Number Rating Scale (NRS) is a brief scale assessing pain completed by patients themselves. The scores of NRS ranges from 0 to 10 with 11 grades and higher scores indicates greater pain. The minimum value is 0 points, and the maximum value is 10 points. The higher the score, the worse the result. Weeks 6,18 and 30
Secondary The proportion of participants who achieved at least 50% improvement in total walking distance from baseline. The total walking distance is defined as the distance that participants forced to stop due to symptoms of neurogenic claudication or a time limit of 30 minutes during the MTT. Weeks 6 and 18
Secondary The change in total walking distance from baseline. The total walking distance is defined as the distance that participants forced to stop due to symptoms of neurogenic claudication or a time limit of 30 minutes during the MTT. Weeks 6 and 18
Secondary The change in the time to first symptoms from baseline. The time to first symptoms refers to the time when one or both legs experience pain, fatigue, abnormal sensations, and/or tightness during the MTT. Weeks 6 and 18
Secondary The change in the time to first moderate pain symptom from baseline. The first moderate pain symptom refers to NRS score =4. Number Rating Scale (NRS) is a brief scale assessing pain completed by patients themselves. The scores of NRS ranges from 0 to 10 with 11 grades and higher scores indicates greater pain. The minimum value is 0 points, and the maximum value is 10 points. The higher the score, the worse the result. Weeks 6 and 18
Secondary The change in final pain intensity from baseline. When the subject reached their maximum distance, they were asked their NRS score, this was recorded as final pain intensity. Number Rating Scale (NRS) is a brief scale assessing pain completed by patients themselves. The scores of NRS ranges from 0 to 10 with 11 grades and higher scores indicates greater pain. The minimum value is 0 points, and the maximum value is 10 points. The higher the score, the worse the result. Weeks 6 and 18
Secondary The change in recovery time from baseline. Recovery time refers to time to return to baseline pain intensity after MTT. Weeks 6 and 18
Secondary The change in Modified Roland-Morris Disability Questionnaire (RMDQ) score from baseline. Modified Roland-Morris Disability Questionnaire (RMDQ) is a reliable pain-specific functional status questionnaire which is easy and simple for patients to complete. The RMDQ includes 24 questions with a score range of 0-24. higher scores indicate more severe symptoms. Weeks 6,18 and 30
Secondary Changes from baseline in the average score of buttocks and/or legs pain when walking, standing, or extending the back as measured by the NRS in the previous 1 week. Number Rating Scale (NRS) is a brief scale assessing pain completed by patients themselves. The scores of NRS ranges from 0 to 10 with 11 grades and higher scores indicates greater pain. The minimum value is 0 points, and the maximum value is 10 points. The higher the score, the worse the result. Weeks 6,18 and 30
Secondary Changes in the average score of lower back pain when walking, standing, or extending the back as measured by the NRS in the previous 1 week from baseline. Number Rating Scale (NRS) is a brief scale assessing pain completed by patients themselves. The scores of NRS ranges from 0 to 10 with 11 grades and higher scores indicates greater pain. The minimum value is 0 points, and the maximum value is 10 points. The higher the score, the worse the result. Weeks 6,18 and 30
Secondary The change from baseline in the index score of European Quality of Life Five Dimension Five Level Scale Questionnaire (EQ-5D-5L). The European Quality of Life Five Dimension Five Level Scale Questionnaire (EQ-5D-5L) includes five dimensions: Mobility, Self Care, Usual Activities, Pain or Discomfort, and Anxiety or Depression. Each dimension also includes five levels: no difficulty, slight difficulty, moderate difficulty, severe difficulty, and extreme difficulty. Each dimension has a high score of 5 and a low score of 1. The EQ-5D-5L index score can be calculated based on the choices made by the respondents on the five dimensions and five levels in the questionnaire. Weeks 6,18 and 30
Secondary The change from baseline in the domain scores (symptom severity and physical function) of Swiss Spinal Stenosis Questionnaire (SSSQ). SSSQ include three domains, which are symptom severity, physical function and satisfaction with the treatment. Six questions in the symptom severity domain assess back, buttocks, legs or feet pain, pain frequency, numbness, weakness with scores ranging from 1 to 5 while one question assesses balance with scores ranging from 1, 3 and 5 and higher scores indicating worse symptoms. The physical function domain assesses walking distance and ability to walk for pleasure, shopping, and getting around the house or apartment and from the bathroom to the bedroom. This domain has five questions with scores ranging from 1 to 4, and higher scores indicate less satisfaction. For satisfactory domain, patients scoring 2.5 points or less are regarded as satisfied with the treatment. Weeks 6,18 and 30
Secondary The proportion of participants who are satisfied with the treatment based on the satisfaction domain of the SSSQ. SSSQ include three domains, which are symptom severity, physical function and satisfaction with the treatment. Six questions in the symptom severity domain assess back, buttocks, legs or feet pain, pain frequency, numbness, weakness with scores ranging from 1 to 5 while one question assesses balance with scores ranging from 1, 3 and 5 and higher scores indicating worse symptoms. The physical function domain assesses walking distance and ability to walk for pleasure, shopping, and getting around the house or apartment and from the bathroom to the bedroom. This domain has five questions with scores ranging from 1 to 4, and higher scores indicate less satisfaction. For satisfactory domain, patients scoring 2.5 points or less are regarded as satisfied with the treatment. Weeks 6,18 and 30
Secondary The change from baseline in the total score of Hospital Anxiety and Depression Scale (HADS). HADS is validated and standardized for measuring the state of anxiety and depression. HADS has 2 subscales with 14 items (7 items each), and a total score of 0 to 21 with 0 to 3 for each item. Weeks 6,18 and 30
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