A Study of Contralateral Limb Block
ConditionLimb Pain, Phantom
Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age18+
SponsorMayo Clinic
About this trial
This research is being done to determine if an anesthetic like Lidocaine, may be effective when injected around the sciatic nerve of the intact limb in patients with limb loss pain on the contralateral side.
Eligibility criteria
Qualifiers
Lower extremity amputation performed more than 12 months before study enrollment
PLP/RLP in affected amputated limb > 4 on NRS26
Pain duration of more than 6 months despite a trial of conservative therapies for at least 2 months, including oral medications, topical medicines, physical therapy, and physical modalities (i.e., heat, cold, transcutaneous electrical nerve stimulation, phonophoresis)
Willingness to undergo image guided diagnostic nerve block
Disqualifiers
Refusal / inability to participate or provide consent
Contraindications to diagnostic nerve block
Non-neurogenic source of PLP/RLP
Current opioid use > 50 morphine milligram equivalents per day
Trial design
Treatments tested in this trial
- Lidocaine
- Placebo
Treatment groups
20 Participants
are divided into 2 treatment groupsSponsors and collaborators
Source ClinicalTrials.gov