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Thread-Embedding Acupuncture Versus Electroacupuncture for Mild-to-Moderate Carpal Tunnel Syndrome

24. august 2026 opdateret af: Bui Pham Minh Man, University of Medicine and Pharmacy at Ho Chi Minh City

Thread-Embedding Acupuncture Versus Electroacupuncture for Mild-to-Moderate Carpal Tunnel Syndrome: An Assessor-Blinded Randomized Controlled Trial

This study compared thread-embedding acupuncture with electroacupuncture for adults with mild-to-moderate carpal tunnel syndrome confirmed by electrodiagnosis. Eighty participants were randomly assigned in a 1:1 ratio to receive either thread-embedding acupuncture or electroacupuncture. Both groups also received standard care, including lifestyle modification, nocturnal wrist splinting, nerve and tendon gliding exercises, and paracetamol as needed. Thread-embedding acupuncture was administered twice over two weeks, whereas electroacupuncture was administered 10 times over the same period. Participants were assessed at baseline, week 2, and week 4. The primary outcome was the change in paresthesia intensity from baseline to week 4, measured using a 100-mm visual analog scale. Secondary outcomes included pain intensity, symptom severity, functional status, paracetamol use, and adverse events.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

80

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Ho Chi Minh City, Vietnam, 70000
        • University Medical Center Ho Chi Minh City - Campus 3

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Age 18 years or older.
  • Primary diagnosis of carpal tunnel syndrome with pain and paresthesia, confirmed by electrodiagnosis and classified as mild or moderate severity.
  • Unilateral carpal tunnel syndrome involving either the right or left hand.
  • Voluntary written informed consent to participate in the study.

Exclusion Criteria:

  • Structural wrist damage due to previous surgery or trauma.
  • History of carpal tunnel syndrome surgery.
  • Carpal tunnel syndrome with an indication for surgical treatment.
  • Concomitant cervical radiculopathy, brachial plexopathy, proximal median neuropathy, other upper-limb neuropathies, or polyneuropathy confirmed by electrodiagnosis.
  • Systemic inflammatory diseases, including rheumatoid arthritis, gout, ankylosing spondylitis, or psoriatic arthritis.
  • Hypothyroidism.
  • Unstable or untreated severe health conditions, including end-stage renal failure, severe hepatic failure, or NYHA class IV heart failure.
  • Use of anti-inflammatory medications within two weeks before enrollment.
  • Alcohol or substance abuse.
  • Pregnancy or lactation.
  • History of allergy, anaphylaxis, or contraindications to thread-embedding acupuncture or electroacupuncture, including emergency conditions, cachexia, local skin infections or dermatological diseases at acupoint sites, or allergy to absorbable sutures.
  • Current treatment with anticoagulant drugs or diagnosed coagulation disorders.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Thread-Embedding Acupuncture
Participants received thread-embedding acupuncture twice over two weeks, at baseline and week 1, in addition to standard care.
Thread-embedding acupuncture was administered twice over two weeks, at baseline and week 1. Sterile polydioxanone thread-embedding needles were inserted at PC4, PC6, PC7, PC8, LI4, LI5, LU10, LU6, HT7, and TE5. The device consisted of a sterile 31-G stainless-steel cannula with a 30-mm needle shaft and a 30-mm polydioxanone thread folded in half, corresponding to an embedded thread length of approximately 15 mm. The thread was placed within the muscle layer and left in situ after withdrawal of the needle.
Both treatment groups received standard care throughout the four-week study period, including lifestyle modification to avoid wrist flexion and strain, nocturnal wrist splinting, daily nerve and tendon gliding exercises, and paracetamol 500 mg as needed for intolerable pain with a minimum four-hour interval between doses.
Aktiv komparator: Electroacupuncture
Participants received electroacupuncture once daily, five times per week for two weeks, for a total of 10 sessions, in addition to standard care.
Both treatment groups received standard care throughout the four-week study period, including lifestyle modification to avoid wrist flexion and strain, nocturnal wrist splinting, daily nerve and tendon gliding exercises, and paracetamol 500 mg as needed for intolerable pain with a minimum four-hour interval between doses.
Electroacupuncture was administered once daily, five times per week for two weeks, for a total of 10 sessions. Sterile disposable needles were inserted at PC4, PC6, PC7, PC8, LI4, LI5, LU10, LU6, HT7, and TE5. Continuous biphasic rectangular pulses with alternating frequencies of 2/100 Hz every 3 seconds and a pulse width of 0.2 ms were delivered for 20 minutes. Stimulation intensity was adjusted within 2-5 mA according to participant tolerance.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in Paresthesia Visual Analog Scale Score at Week 4
Tidsramme: Baseline to Week 4
Paresthesia intensity was measured using a self-reported 100-mm visual analog scale ranging from 0 mm, representing no symptom, to 100 mm, representing the worst imaginable symptom. The outcome was the change in paresthesia-VAS score from baseline to week 4.
Baseline to Week 4

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in Paresthesia Visual Analog Scale Score at Week 2
Tidsramme: Baseline to Week 2
Paresthesia intensity was measured using a self-reported 100-mm visual analog scale ranging from 0 mm, representing no symptom, to 100 mm, representing the worst imaginable symptom. The outcome was the change in paresthesia-VAS score from baseline to week 2.
Baseline to Week 2
Change From Baseline in Pain Visual Analog Scale Score
Tidsramme: Baseline to Week 2 and Week 4
Pain intensity was measured using a 100-mm visual analog scale ranging from 0 mm, representing no pain, to 100 mm, representing the worst imaginable pain. The outcome was the change in pain-VAS score from baseline.
Baseline to Week 2 and Week 4
Change From Baseline in Boston Carpal Tunnel Questionnaire Scores
Tidsramme: Baseline to Week 2 and Week 4
The Boston Carpal Tunnel Questionnaire consists of the Symptom Severity Scale (SSS) and Functional Status Scale (FSS). The SSS includes 11 items scored from 1 to 5, with a total score ranging from 11 to 55. The FSS includes 8 items scored from 1 to 5, with a total score ranging from 8 to 40. The overall BCTQ score was calculated as the sum of the SSS and FSS scores, ranging from 19 to 95. Higher scores indicate greater symptom severity and functional impairment.
Baseline to Week 2 and Week 4
Weekly Paracetamol Consumption
Tidsramme: Weekly during the 4-week study period
Rescue paracetamol use was recorded as the number of 500-mg tablets consumed per week.
Weekly during the 4-week study period
Adverse Events
Tidsramme: From baseline through Week 4
Adverse events occurring during the study were monitored and recorded, including events such as ecchymosis and localized pain associated with the acupuncture procedures.
From baseline through Week 4

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: Minh-Man P Bui, PhD, University of Medicine and Pharmacy at Ho Chi Minh City

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

21. oktober 2024

Primær færdiggørelse (Faktiske)

26. maj 2025

Studieafslutning (Faktiske)

26. maj 2025

Datoer for studieregistrering

Først indsendt

24. august 2026

Først indsendt, der opfyldte QC-kriterier

24. august 2026

Først opslået (Faktiske)

27. august 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

27. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

24. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

De-identified individual participant data underlying the results reported in the published article will be available from the corresponding author upon reasonable request.

IPD-delingstidsramme

Beginning after publication of the study results, with no predetermined end date.

IPD-delingsadgangskriterier

De-identified individual participant data will be available to qualified researchers upon reasonable request to the corresponding author. Requests should include the purpose of the proposed analysis and will be considered by the study investigators, subject to applicable ethical and institutional requirements.

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