Status:

COMPLETED

Treating Phantom Limb Pain Using Continuous Peripheral Nerve Blocks: A Department of Defense Funded Multicenter Study

Lead Sponsor:

University of California, San Diego

Collaborating Sponsors:

United States Department of Defense

Conditions:

Phantom Limb Pain

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

When a limb is traumatically severed, pain perceived in the part of the body that no longer exists often develops. This is called "phantom limb" pain, and is different from "stump" pain, which is pain...

Detailed Description

Background. The combination of increased munitions force, use of improvised explosive devices, and casualty survival rates has resulted in a dramatic increase in the percentage of injured combat veter...

Eligibility Criteria

Inclusion

  • 18 years of age or older
  • Upper or lower limb traumatic or surgical amputation at least 12 weeks prior to enrollment at or distal to the mid-humerus or hip (femoral head remaining), respectively; and including at least one metacarpal or metatarsal bone, respectively.
  • Experiencing at least moderate phantom limb pain (defined as 2 or higher on the numeric rating scale, NRS 0-10), at least three times each week for the previous 8 weeks.
  • Accepting of an ambulatory continuous peripheral nerve block for 6 days.
  • Willing to avoid changes to their analgesic regimen from 4 weeks prior to and at least 4 weeks following the initial catheter placement (preferably 4 weeks following the second/crossover catheter insertion as well).
  • Having a "caretaker" who will transport the subject home following the catheter insertion(s), and remain with the subject for the first night of the infusions.

Exclusion

  • Known renal insufficiency
  • Allergy to study medications
  • Pregnancy
  • Incarceration
  • Inability to communicate with the investigators
  • Morbid obesity (BMI greater than 40)
  • Comorbidity that results in moderate-to-severe functional limitation (ASA greater than 2)
  • Possessing any contraindication to ambulatory perineural catheter placement or perineural local anesthetic infusion:
  • Current infection
  • Immune-compromised status of any etiology
  • Uncontrolled anxiety/panic disorder
  • Inability to contact investigators during the perineural infusion

Key Trial Info

Start Date :

December 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2020

Estimated Enrollment :

144 Patients enrolled

Trial Details

Trial ID

NCT01824082

Start Date

December 1 2013

End Date

October 1 2020

Last Update

May 8 2024

Active Locations (4)

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Page 1 of 1 (4 locations)

1

Veteran's Affairs Palo Alto Health Care System

Palo Alto, California, United States, 94304

2

University of California, San Diego, Hillcrest Medical Center

San Diego, California, United States, 92103

3

Walter Reed Army National Medical Center

Bethesda, Maryland, United States, 20889

4

Cleveland Clinic

Cleveland, Ohio, United States, 44195