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Trigger Point Electroacupuncture Treatment in Patients With Chronic Low Back Pain

Evaluation of the Analgesic Efficacy of Trigger Point Electroacupuncture in Patients With Chronic Low Back Pain: a Blinded Randomised Controlled Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06868173
Enrollment
60
Registered
2025-03-10
Start date
2025-03-15
Completion date
2025-07-15
Last updated
2025-08-29

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

Conditions

Chronic Low Back Pain (CLBP), Trigger Points

Keywords

Electro-acupuncture, Trigger points, Low back pain

Brief summary

Electroacupuncture is an application of acupuncture combined with electrical stimulation of acupuncture points through acupuncture needles to achieve faster pain relief than acupuncture. Recently, research has shown that Trigger point acupuncture has a significant effect in reducing pain better than acupuncture on acupoints in patients with chronic low back pain. However, no research has compared the pain relief effect between Trigger Point electroacupuncture and electroacupuncture on acupoints in patients with chronic low back pain. This study was conducted to address this question.

Detailed description

Participants and Methods: A blinded randomized controlled clinical trial was conducted involving 60 chronic low back pain participants, randomly divided into two groups (A and B): 30 receiving electroacupuncture at the Trigger point (group A) and 30 receiving electroacupuncture on the meridian (group B) for 10 sessions. The primary outcomes were visual analogue scale (VAS), BPI index, and Trigger point count.

Interventions

DEVICEElectro-acupuncture

Electroacupuncture at Trigger Points is electroacupuncture at predetermined trigger points. Electroacupuncture at traditional acupoints is electroacupuncture at the following points: Jiaji (L2-L5), Yaoyangguan (GV3), Shendu (BL23), Dachangdu (BL25), and Weizhong (BL40).

Sponsors

University of Medicine and Pharmacy at Ho Chi Minh City
Lead SponsorOTHER

Study design

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

Masking description

The study participants will not know which electroacupuncture group they are in. The acupuncturist and the data processor are 2 different people.

Intervention model description

A blinded randomized controlled trial

Eligibility

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

Inclusion criteria

* Patients aged 20 or older who consented to participate in the study; * Individuals experiencing LBP persisting for more than 3 months with an average VAS score of 5 cm or over; * Patients displaying trigger points in back

Exclusion criteria

* Major trauma or systemic disease such as rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, Scheuermann disease; * Systemic symptoms such as weight loss, fever of unknown origin, anorexia, personal history of malignancy, diffuse pain and joint stiffness; * Symptoms of infection such as fever, meningeal irritation signs, photophobia; * Symptoms of central motor neuron damage such as Hoffmann sign, Babinski sign, hyperreflexia, spasticity, incontinence, sexual dysfunction; * Symptoms of serious acute diseases such as myocardial infarction (chest pain, sweating, shortness of breath), arterial dissections (tearing sensation, headache, blurred vision); * Conditions unsuitable for acupuncture such as inflammation of skin in need of acupuncture, weak or exhausted patients, severe comorbidities; * Being treated with other methods. Elimination criteria: Patients experiencing adverse events from the intervention leading to their discomfort and withdrawal from the study

Design outcomes

Primary

MeasureTime frameDescription
Comparison of VAS pain intensity between electroacupuncture at the trigger point and electroacupuncture traditional point groupBaseline, after 3 sessions, after 5 sessions, after 7 sessions, after 10 sessionsWith the VAS, participants were asked to make a hatch mark on a 100 mm line that represents their average pain intensity. These were then converted to a numerical score for each face (i.e. 0, 2, 4, 6, 8, or 10), depending on the face selected. The end-point descriptors for VAS was No pain (0, 0 mm, and the face representing no pain, respectively) and The most intense pain imaginable (10, 100 mm, and the face representing the most intense pain level, respectively).

Secondary

MeasureTime frameDescription
Comparison of BPI index between electroacupuncture at the trigger point and electroacupuncture traditional point group.Baseline, after 5 sessions, and after 10 sessionsThe BPI gives two main scores: a pain severity score and a pain interference score. The pain severity score is calculated from the four items about pain intensity. Each item is rated from 0, no pain, to 10, pain as bad as you can imagine, and contributes with the same weight to the final score, ranging from 0 to 40. The pain interference score corresponds to the item on pain interference. The seven sub-items (general activity, mood, walking ability, normal walk, relations with other people, sleep, and enjoyment of life) are rated from 0, does not interfere, to 10, completely interferes, and contributes with the same weight to the final score, ranging from 0 to 70. The first item, pain drawing diagrams (painful and most painful areas) and the items on pain relief treatment or medication (list of the treatments and amount of relief) do not contribute to the scoring. It takes approximately 5 minutes to complete the BPI.

Other

MeasureTime frameDescription
Comparison of trigger point count between electroacupuncture at the trigger point and electroacupuncture traditional point groupBaseline, after 5 sessions, and after 10 sessionsDetermine the number of trigger points at each survey time.

Countries

Vietnam

Outcome results

None listed

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