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Pregabalin Phonophoresis for Carpal Tunnel Syndrome Pain

21. mai 2026 oppdatert av: Muhammad Muneeb Jafar, University of Faisalabad

Effect of Pregabalin Phonophoresis Therapy on Pain and Functional Outcomes in Patients With Carpal Tunnel Syndrome: A Randomized Controlled Trial

Carpal tunnel syndrome (CTS) is a common condition caused by pressure on the median nerve in the wrist, leading to pain, numbness, and weakness in the hand. Oral medications for nerve pain can have significant side effects. This study tests a new, non-invasive approach. Pregabalin, a medication for neuropathic pain, will be mixed into a gel and delivered through the skin using therapeutic ultrasound, a method called phonophoresis. This avoids the digestive system and may reduce side effects. This randomized controlled trial will compare the effects of pregabalin phonophoresis against standard ultrasound therapy (without the drug) in 57 patients aged 20-40 with mild to moderate CTS. Treatments will occur 4 times per week for one month. Pain will be measured using the Numeric Pain Rating Scale, and hand function using the Boston Carpal Tunnel Questionnaire. The study aims to determine if pregabalin phonophoresis provides superior pain relief and functional improvement compared to ultrasound alone, offering a new, safe, and cost-effective physiotherapy treatment for CTS.

Studieoversikt

Status

Aktiv, ikke rekrutterende

Detaljert beskrivelse

This is a multi-center, prospective, randomized, active-controlled, parallel-group trial. After providing informed consent and meeting the inclusion criteria (positive Phalen's/Tinel's sign, symptom duration >3 months, age 20-40), participants will be randomized into two groups using a random number generator. Group A (Experimental) will receive pregabalin phonophoresis. A pregabalin gel will be applied to the affected wrist, followed by therapeutic ultrasound at 1 MHz frequency, 1.5 W/cm² intensity in circular motion for 5 minutes. Group B (Active Comparator) will receive the same ultrasound parameters applied with a plain, non-medicated gel. Treatment for both groups will be administered 4 sessions per week for 4 consecutive weeks (total 16 sessions). Outcome measures, including the Numeric Pain Rating Scale (NPRS) and the Boston Carpal Tunnel Questionnaire (BCTSQ), will be collected at baseline and after the final treatment session at week 4. Data will be analyzed using SPSS version 22.0, with an intention-to-treat analysis. A p-value <0.05 will be considered statistically significant. The trial will be conducted at Madinah Teaching Hospital and Jafar Physiotherapy Center in Faisalabad, Pakistan.

Studietype

Intervensjonell

Registrering (Faktiske)

30

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • Punjab Province
      • Faisalābad, Punjab Province, Pakistan, 3800
        • The University of Faisalabad

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Clinical diagnosis of Carpal Tunnel Syndrome confirmed by positive Phalen's maneuver or Tinel's sign
  • Age between 20 and 40 years
  • Symptom duration of more than 3 months
  • Mild to moderate CTS (no thenar muscle atrophy)
  • Willing to provide written informed consent

Exclusion Criteria:

  • History of steroid injection for CTS in the past 3 months
  • Prior surgery for Carpal Tunnel Syndrome
  • Currently pregnant or breastfeeding
  • Malignancy or any contraindication to ultrasound (e.g., acute infection, bleeding disorder over the wrist)
  • Presence of cervical radiculopathy
  • Previous wrist fracture on the affected side
  • Participation in another interventional trial

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Dobbelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Pregabalin Phonophoresis Group
Participants receive phonophoresis using a pregabalin-based gel combined with therapeutic ultrasound.
A topical gel containing pregabalin is applied to the volar aspect of the wrist over the carpal tunnel. A therapeutic ultrasound head (1 MHz, 1.5 W/cm²) is then moved in a circular motion over the gel for a total of 5 minutes per session. The ultrasound facilitates the transdermal delivery of pregabalin. This is administered 4 times per week for 4 weeks.
Aktiv komparator: Conventional Ultrasound Group
Participants receive therapeutic ultrasound using a standard, non-medicated coupling gel.
Standard ultrasonic coupling gel is applied to the volar aspect of the wrist over the carpal tunnel. A therapeutic ultrasound head (1 MHz, 1.5 W/cm²) is then moved in a circular motion over the gel for a total of 5 minutes per session. This is administered 4 times per week for 4 weeks.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Pain Intensity as Measured by the Numeric Pain Rating Scale (NPRS)
Tidsramme: Baseline and at Week 4 (immediately after the final treatment session)
The Numeric Pain Rating Scale (NPRS) is an 11-point scale ranging from 0 (no pain) to 10 (worst imaginable pain). Participants will self-report their current level of pain. A higher score indicates worse pain.
Baseline and at Week 4 (immediately after the final treatment session)

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Functional Status as Measured by the Boston Carpal Tunnel Questionnaire (BCTQ)
Tidsramme: Baseline and at Week 4 (immediately after the final treatment session)
The Boston Carpal Tunnel Questionnaire (BCTQ) is a disease-specific, patient-reported outcome measure. It consists of the Symptom Severity Scale (11 questions, each scored 1-5) and the Functional Status Scale (8 questions, each scored 1-5). The final score for each scale is the mean of the answers, ranging from 1 (best) to 5 (worst). A higher score indicates greater disability.
Baseline and at Week 4 (immediately after the final treatment session)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. januar 2026

Primær fullføring (Antatt)

19. juli 2026

Studiet fullført (Antatt)

19. juli 2026

Datoer for studieregistrering

Først innsendt

21. mai 2026

Først innsendt som oppfylte QC-kriteriene

21. mai 2026

Først lagt ut (Faktiske)

29. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

29. mai 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

21. mai 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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