Status:

TERMINATED

Mechanisms and Treatment of Post-amputation Neuropathic Pain

Lead Sponsor:

Oslo University Hospital

Conditions:

Neuropathic Pain

Phantom Limb Pain

Eligibility:

All Genders

18-80 years

Phase:

NA

Brief Summary

Phantom and residual limb pain are types of peripheral neuropathic pain that are difficult to treat and where the underlying mechanisms are still not fully understood. Repetitive transcranial magnetic...

Eligibility Criteria

Inclusion

  • 18-80 years of age
  • Unilateral or bilateral lower limb amputation resulting in residual limb pain and/or phantom pain, fulfilling the criteria for definite neuropathic pain
  • Usual pain intensity at least 4/10 over the past 24 hrs using the numerical scale of the BPI at screening
  • Daily pain
  • Pain for at least 3 months
  • Stable pharmacological treatment for pain or no pharmaceutical treatment at least 1 month prior to the study
  • Patients who can be followed for the whole duration of the study
  • Minimum 4/10 pain intensity at the time of spinal anaesthesia for sub-study 1

Exclusion

  • Any clinically significant or unstable medical or psychiatric disorder
  • Subjects protected by law (guardianship or tutelage measure)
  • History of or current substance abuse (alcohol, drugs)
  • Pending litigation
  • Contraindications to spinal anaesthetic block (e.g. use of prescribed or non-prescribed medication that can increase risk of bleeding such as anticoagulants, non-steroidal anti-inflammatory drugs and acetylsalicylic acid)
  • Contraindication to rTMS (past severe head trauma, history of epilepsy or ongoing epilepsy, active cerebral tumour, past neurosurgical intervention, intracranial hypertension, implanted devices not compatible such as cardiac pacemaker and neurostimulator, cochlear implants, pregnancy or lactation. All women of childbearing age will be required to have negative pregnancy test at inclusion and to be using contraception)
  • Other pain conditions more severe than phantom and residual limb pain.
  • Inability to understand the protocol or to fill out the forms
  • Other ongoing research protocol or recent past protocol within one month before the inclusion

Key Trial Info

Start Date :

January 1 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 3 2021

Estimated Enrollment :

1 Patients enrolled

Trial Details

Trial ID

NCT04819503

Start Date

January 1 2021

End Date

December 3 2021

Last Update

November 29 2023

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Department of Pain Management and Research, Oslo University Hospital and Faculty of Medicine, University of Oslo,

Oslo, Norway, 0424