NCT01447108

Brief Summary

The "Suicide Disease", Trigeminal Neuralgia (TN) is arguably caused by one of the most discrete and eloquently reversible central nervous system lesions known to the field of neurology. Recently Dr Adahan H. and Dr Binshtok A. have completed an open label series of 25 subjects with refractory TN showing a remarkable positive response rate to TN's treatment with Low Intensity Low Frequency Surface Acoustic Wave Ultrasound (LILF/SAWU). The primary objective of this study, therefore, is to determine whether this apparent efficacy of Low Intensity Low Frequency Ultrasound (LILFU) in the treatment of TN pain could withstand the rigors of an n=1 crossover placebo control study. Participants with refractory trigeminal neuralgia pain despite optimized pharmacotherapy for at least six months will be screened for participation in the study based on rigorous inclusion and exclusion criteria. It is judged rather unlikely that such subjects will experience spontaneous regression of their disease in the course of this study. Patients meeting the inclusion criteria will be treated with four weeks of a placebo Low Intensity Low Frequency Surface Acoustic Wave Ultrasound (LILF/SAWU) device while continuing with their pharmaco-analgesic regimen. All patients will be crossed over to active LILF/SAWU therapy for the next four weeks. Patients will be blinded to all treatments throughout the study. Patients will be instructed to use the device daily overnight, and remove it upon wakening. The device is programmed to work in cycles of 30 minutes on and 30 minutes off, for a total of six- eight hours of intermittent treatment. At the end of the second month of the study, patients will be offered a choice as to whether they wished to continue with the current (active) device or go back to the 1st (sham) device. Patient's pain severity will be tracked every two weeks over the course of three months. Functional health and well being will be monitored at intake, post "Placebo" period, post "Active" period and at completion of the study.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
16

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Nov 2011

Shorter than P25 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 15, 2011

Completed
20 days until next milestone

First Posted

Study publicly available on registry

October 5, 2011

Completed
27 days until next milestone

Study Start

First participant enrolled

November 1, 2011

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2012

Completed
Last Updated

December 27, 2012

Status Verified

December 1, 2012

Enrollment Period

1 year

First QC Date

September 15, 2011

Last Update Submit

December 26, 2012

Conditions

Keywords

Trigeminal NeuralgiaTic DouloureuxLow Intensity Low Frequency Surface Acoustic Wave Ultrasound

Outcome Measures

Primary Outcomes (3)

  • Level of pain

    Barrow Neurological Index score (BNI ) pain intensity scale will be used

    Change in level of pain from baseline to after two months of treatment

  • Pain intensity and quality of pain

    "SFMPQ" - Short form MCGILL Pain Questionnaire will be used.

    Change in intensity and quality of pain from baseline to after two months of treatment

  • Functional Health and Wellbeing

    SF-36 Questionnaire will be used

    Change in functional health and wellbeing from baseline to after two months of treatment

Study Arms (1)

TN patients

EXPERIMENTAL

Patients suffering from Trigeminal neuralgia

Device: Low Intensity Low Frequency Surface Acoustic Wave Ultrasound (PainShield™)

Interventions

All subjects will be treated four weeks with a placebo PainShield™ while continuing with their current pharmaco- analgesic regimen. Aferterwards all subjects will be crossed over to active Painshield™ therapy for the next four weeks. The Painshield™ device is a patch, which will be applied to their forehead for six-eight hours during night while sleeping.

Also known as: PainShield™
TN patients

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participant is willing and able to give informed consent for participation in the study.
  • Male or Female, aged 18 years or above.
  • Diagnosed with trigeminal neuralgia refractory to medical treatment (modified BNI V).

You may not qualify if:

  • Male or female, under the age of 18.
  • Active illicit drug use
  • Pregnancy.
  • Psychiatric illness which may prevent the patient from participation in the study.
  • Anesthesia dolorosa with pain greater than or equal to 3/10
  • Dental implants.
  • Other known pathology of the trigeminal nerve including iatrogenic anesthesia dolorosa.
  • Cancer and bone metastases.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sheba Medical Center

Tel Litwinsky, 52621, Israel

Location

Related Publications (18)

  • Crisci AR, Ferreira AL. Low-intensity pulsed ultrasound accelerates the regeneration of the sciatic nerve after neurotomy in rats. Ultrasound Med Biol. 2002 Oct;28(10):1335-41. doi: 10.1016/s0301-5629(02)00576-8.

    PMID: 12467860BACKGROUND
  • Chang CJ, Hsu SH. The effects of low-intensity ultrasound on peripheral nerve regeneration in poly(DL-lactic acid-co-glycolic acid) conduits seeded with Schwann cells. Ultrasound Med Biol. 2004 Aug;30(8):1079-84. doi: 10.1016/j.ultrasmedbio.2004.06.005.

    PMID: 15474752BACKGROUND
  • Mourad PD, Lazar DA, Curra FP, Mohr BC, Andrus KC, Avellino AM, McNutt LD, Crum LA, Kliot M. Ultrasound accelerates functional recovery after peripheral nerve damage. Neurosurgery. 2001 May;48(5):1136-40; discussion 1140-1. doi: 10.1097/00006123-200105000-00035.

    PMID: 11334281BACKGROUND
  • Paik NJ, Cho SH, Han TR. Ultrasound therapy facilitates the recovery of acute pressure-induced conduction block of the median nerve in rabbits. Muscle Nerve. 2002 Sep;26(3):356-61. doi: 10.1002/mus.10209.

    PMID: 12210364BACKGROUND
  • Ebenbichler GR, Resch KL, Nicolakis P, Wiesinger GF, Uhl F, Ghanem AH, Fialka V. Ultrasound treatment for treating the carpal tunnel syndrome: randomised "sham" controlled trial. BMJ. 1998 Mar 7;316(7133):731-5. doi: 10.1136/bmj.316.7133.731.

    PMID: 9529407BACKGROUND
  • Campbell C. K. Surface Acoustic wave devices for mobile and wireless communications. Chapter-Fundamentals of surface acoustic waves and devices. Academic press NY p20-25.

    BACKGROUND
  • Jorns TP, Zakrzewska JM. Evidence-based approach to the medical management of trigeminal neuralgia. Br J Neurosurg. 2007 Jun;21(3):253-61. doi: 10.1080/02688690701219175.

    PMID: 17612914BACKGROUND
  • Devor M, Amir R, Rappaport ZH. Pathophysiology of trigeminal neuralgia: the ignition hypothesis. Clin J Pain. 2002 Jan-Feb;18(1):4-13. doi: 10.1097/00002508-200201000-00002.

    PMID: 11803297BACKGROUND
  • Leandri M, Eldridge P, Miles J. Recovery of nerve conduction following microvascular decompression for trigeminal neuralgia. Neurology. 1998 Dec;51(6):1641-6. doi: 10.1212/wnl.51.6.1641.

    PMID: 9855516BACKGROUND
  • Devor M, Govrin-Lippmann R, Rappaport ZH. Mechanism of trigeminal neuralgia: an ultrastructural analysis of trigeminal root specimens obtained during microvascular decompression surgery. J Neurosurg. 2002 Mar;96(3):532-43. doi: 10.3171/jns.2002.96.3.0532.

    PMID: 11883839BACKGROUND
  • Love S, Hilton DA, Coakham HB. Central demyelination of the Vth nerve root in trigeminal neuralgia associated with vascular compression. Brain Pathol. 1998 Jan;8(1):1-11; discussion 11-2. doi: 10.1111/j.1750-3639.1998.tb00126.x.

    PMID: 9458161BACKGROUND
  • Poole HM, Murphy P, Nurmikko TJ. Development and preliminary validation of the NePIQoL: a quality-of-life measure for neuropathic pain. J Pain Symptom Manage. 2009 Feb;37(2):233-45. doi: 10.1016/j.jpainsymman.2008.01.012. Epub 2008 Aug 3.

    PMID: 18676118BACKGROUND
  • Rogers CL, Shetter AG, Fiedler JA, Smith KA, Han PP, Speiser BL. Gamma knife radiosurgery for trigeminal neuralgia: the initial experience of The Barrow Neurological Institute. Int J Radiat Oncol Biol Phys. 2000 Jul 1;47(4):1013-9. doi: 10.1016/s0360-3016(00)00513-7.

    PMID: 10863073BACKGROUND
  • Azar M, Yahyavi ST, Bitaraf MA, Gazik FK, Allahverdi M, Shahbazi S, Alikhani M. Gamma knife radiosurgery in patients with trigeminal neuralgia: quality of life, outcomes, and complications. Clin Neurol Neurosurg. 2009 Feb;111(2):174-8. doi: 10.1016/j.clineuro.2008.09.020. Epub 2008 Nov 7.

    PMID: 18995955BACKGROUND
  • Lewin-Epstein N, Sagiv-Schifter T, Shabtai EL, Shmueli A. Validation of the 36-item short-form Health Survey (Hebrew version) in the adult population of Israel. Med Care. 1998 Sep;36(9):1361-70. doi: 10.1097/00005650-199809000-00008.

    PMID: 9749659BACKGROUND
  • Zakrzewska JM, Linskey ME. Trigeminal neuralgia. BMJ Clin Evid. 2009 Mar 12;2009:1207.

    PMID: 19445753BACKGROUND
  • Sarlani E, Balciunas BA, Grace EG. Orofacial pain--Part I: Assessment and management of musculoskeletal and neuropathic causes. AACN Clin Issues. 2005 Jul-Sep;16(3):333-46. doi: 10.1097/00044067-200507000-00007.

    PMID: 16082236BACKGROUND
  • Emril DR, Ho KY. Treatment of trigeminal neuralgia: role of radiofrequency ablation. J Pain Res. 2010 Dec 12;3:249-54. doi: 10.2147/JPR.S14455.

    PMID: 21311718BACKGROUND

MeSH Terms

Conditions

Trigeminal Neuralgia

Condition Hierarchy (Ancestors)

Trigeminal Nerve DiseasesFacial NeuralgiaFacial Nerve DiseasesMouth DiseasesStomatognathic DiseasesCranial Nerve DiseasesNervous System Diseases

Study Officials

  • Manuel Zwecker, MD

    Sheba Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Senour physician at the Department of Neurological Rehabilitation

Study Record Dates

First Submitted

September 15, 2011

First Posted

October 5, 2011

Study Start

November 1, 2011

Primary Completion

November 1, 2012

Study Completion

November 1, 2012

Last Updated

December 27, 2012

Record last verified: 2012-12

Locations