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CT-guidet vs fluoroskopi-guidet trigeminusganglion radiofrekvens termokoagulering for idiopatisk trigeminusneuralgi

18. september 2026 opdateret af: Ahmed Awad Bessar, Zagazig University

CT-guidet vs fluoroskopi-guidet trigeminusganglion radiofrekvens termokoagulering for idiopatisk trigeminusneuralgi: et randomiseret kontrolleret forsøg

The goal of this clinical trial is to compare the effectiveness and safety of CT-guided versus fluoroscopy-guided trigeminal ganglion radiofrequency thermocoagulation (TG-RFT) in treating idiopathic trigeminal neuralgia (TN) in adults aged 18 and older.

The main questions it aims to answer are:

  • Does CT-guided TG-RFT provide better pain relief compared to fluoroscopy-guided TG-RFT?
  • What are the differences in medication consumption between the two methods?
  • What are the procedure-related adverse events for both methods?

Investigators will compare CT-guided TG-RFT to fluoroscopy-guided TG-RFT to see if one method is superior in treating idiopathic TN.

Participants will:

  • Undergo either CT-guided or fluoroscopy-guided TG-RFT procedure
  • Be monitored post-procedure and followed up at 1, 3, and 6 months for pain relief, medication consumption, and adverse events.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This randomized controlled trial aims to compare the efficacy and safety of CT-guided versus fluoroscopy-guided trigeminal ganglion radiofrequency thermocoagulation (TG-RFT) in patients with idiopathic trigeminal neuralgia (TN). Idiopathic TN is characterized by severe, recurrent facial pain, and radiofrequency thermocoagulation is a common interventional treatment option.

Participants eligible for this study will be adults over 18 years old, diagnosed with idiopathic TN based on the International Headache Society criteria, experiencing pain for at least six months with a numeric rating scale (NRS) score greater than 6 despite medical treatment.

Exclusion criteria include vascular compression of the trigeminal nerve by MRI, secondary causes such as multiple sclerosis, trigeminal autonomic cephalalgias, dental or temporomandibular joint pathologies, previous interventional procedures or surgery for TN, coagulopathy, use of antiaggregants and anticoagulants, cardiac pacemaker, renal-hepatic insufficiency, psychiatric illness, malignancy, or infection at the injection site or systemic infection.

Participants will be randomly assigned to either the CT-guided or fluoroscopy-guided RFT group using a computer-generated randomization list. Both procedures will be performed under aseptic conditions with appropriate monitoring and anesthesia. The CT-guided RFT will use real-time CT imaging for needle placement and monitoring, while the fluoroscopy-guided RFT will use fluoroscopic imaging.

The primary outcome measure is pain relief, assessed at 1-, 3-, and 6-months post-procedure using the Numeric Rating Scale (NRS) and Visual Analog Scale (VAS). Secondary outcomes include changes in medication consumption assessed by the Medication Quantification Scale III (MQS III) and the recording of procedure-related adverse events.

This study aims to provide valuable insights into the comparative effectiveness and safety of CT-guided versus fluoroscopy-guided TG-RFT in managing idiopathic TN, potentially guiding future clinical practice.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

68

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

    • Sharqia Province
      • Zagazig, Sharqia Province, Egypten, 44519
        • Zagazig University, Faculty of Medicine

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

18 år til 60 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Age >18 years
  • Idiopathic trigeminal neuralgia (TN) based on the International Headache Society criteria
  • Pain for at least six months and a NRS score greater than 6 despite medical treatment
  • Able to provide informed consent.
  • Agree to follow the study procedures and attend follow-up visits.

Exclusion Criteria:

  • Vascular compression of the trigeminal nerve by MRI and MRI angiography and the presence of secondary causes such as multiple sclerosis
  • Trigeminal autonomic cephalalgias accompanied by autonomic symptoms
  • Dental or temporomandibular joint pathologies
  • Previous interventional procedures or surgery for TN
  • Coagulopathy or use of antiaggregants and anticoagulants
  • Cardiac pacemaker
  • Renal-hepatic insufficiency
  • Diagnosis of psychiatric illness
  • Malignancy
  • Injection site or systemic infection
  • Current participation in another clinical trial that could interfere with the outcomes of this study.

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: CT-guided RFT

Participants will undergo CT-guided trigeminal ganglion radiofrequency thermocoagulation (RFT) with real-time CT imaging for needle placement and monitoring.

Participants in this group will undergo CT-guided trigeminal ganglion radiofrequency thermocoagulation (RFT). The procedure involves real-time CT imaging to guide the placement of the needle and monitor the process.

Aktiv komparator: Fluoroscopy-guided RFT

Participants will undergo fluoroscopy-guided trigeminal ganglion radiofrequency thermocoagulation (RFT) with fluoroscopic imaging for needle placement and monitoring.

Participants in this group will undergo fluoroscopy-guided trigeminal ganglion radiofrequency thermocoagulation (RFT). The procedure utilizes fluoroscopic imaging for needle placement and monitoring.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Pain Relief - Numeric Rating Scale (NRS)
Tidsramme: Baseline, immediately post-procedure, 1 month, 3 months, and 6 months post-procedure.

The primary outcome measure will be the level of pain relief, as assessed by the Numeric Rating Scale (NRS), a 0-10 scale where 0 represents "no pain" and 10 represents "worst possible pain.". Pain levels will be recorded at baseline (pre-procedure), immediately post-procedure, and at 1-, 3-, and 6-months post-procedure.

Baseline, immediately post-procedure, 1 month, 3 months, and 6 months post-procedure.
Pain Relief - Visual Analog Scale (VAS)
Tidsramme: Baseline, immediately post-procedure, 1 month, 3 months, and 6 months post-procedure.

Additionally, pain relief will be assessed by the Visual Analog Scale (VAS), a continuous scale ranging from 0 to 100 mm, where 0 represents "no pain" and 100 represents "worst possible pain." Pain levels will be recorded at the same time points: baseline, immediately post-procedure, and at 1-, 3-, and 6-months post-procedure.

Baseline, immediately post-procedure, 1 month, 3 months, and 6 months post-procedure.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Medication Consumption
Tidsramme: 6 months post-procedure

Changes in medication consumption will be assessed using the Medication Quantification Scale III (MQS III) at 6 months post-procedure. This measure will evaluate the impact of the interventions on the need for medications to manage trigeminal neuralgia.

6 months post-procedure
Procedure-related Adverse Events
Tidsramme: Immediately post-procedure, 1 month, 3 months, and 6 months post-procedure

Adverse events related to the interventions will be systematically recorded to evaluate the safety profile of CT-guided versus fluoroscopy-guided trigeminal ganglion radiofrequency thermocoagulation (TG-RFT). Adverse events will be monitored and recorded immediately post-procedure and during follow-up visits at 1, 3, and 6 months.

Immediately post-procedure, 1 month, 3 months, and 6 months post-procedure

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Ledende efterforsker: Ahmed A Bessar, MD, PhD, Assistant Professor of Diagnostic and Interventional Radiology, Zagazig Uni.

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)

10. november 2024

Primær færdiggørelse (Faktiske)

10. maj 2025

Studieafslutning (Faktiske)

10. oktober 2025

Datoer for studieregistrering

Først indsendt

1. september 2024

Først indsendt, der opfyldte QC-kriterier

29. september 2024

Først opslået (Faktiske)

1. oktober 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • TN_RFT

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

At this time, there is no plan to share individual participant data (IPD) with other researchers. This decision is based on considerations related to patient confidentiality, data privacy concerns, and the absence of a current infrastructure for secure data sharing. The primary results of the study will be published in peer-reviewed journals and presented at scientific conferences, ensuring that the findings are accessible to the broader research community.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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