Trial Outcomes & Findings for Sciatic Block in Contralateral Limb Phantom and Residual Limb Pain (NCT NCT05046639)

NCT ID: NCT05046639

Last Updated: 2025-03-03

Results Overview

Proportions of Participants Reporting ≥ 50% Improvement in NRS pain score on a scale of 0 (no pain) to 10 (worst pain imaginable) from baseline at 15 minutes in treatment and sham groups.

Recruitment status

TERMINATED

Study phase

PHASE4

Target enrollment

1 participants

Primary outcome timeframe

15 minutes after treatment

Results posted on

2025-03-03

Participant Flow

One subject was screened and enrolled in this project at a dedicated Pain Center.

1 subject was randomized and underwent a crossover treatment.

Participant milestones

Participant milestones
Measure
Treatment Group 2% Lidocaine
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine. First Treatment: 10 mL 2% lidocaine: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine. Crossover: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. 10 mL preservative free saline: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline.
Sham Preservative Free Saline
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. First Treatment 10 mL preservative free saline: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. Crossover Treatment 10 mL 2% lidocaine: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine.
First Intervention
STARTED
0
1
First Intervention
COMPLETED
0
1
First Intervention
NOT COMPLETED
0
0
Washout Period 5 Days
STARTED
0
1
Washout Period 5 Days
COMPLETED
0
1
Washout Period 5 Days
NOT COMPLETED
0
0
Second Intervention (Crossover)
STARTED
0
1
Second Intervention (Crossover)
COMPLETED
0
1
Second Intervention (Crossover)
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Sciatic Block in Contralateral Limb Phantom and Residual Limb Pain

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment Group 2% Lidocaine
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine. 10 mL 2% lidocaine: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine. Crossover: 10 mL preservative free saline: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline.
Sham Preservative Free Saline
n=1 Participants
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. 10 mL preservative free saline: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. Crossover:10 mL 2% lidocaine: Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine.
Total
n=1 Participants
Total of all reporting groups
Age, Continuous
55 Years
n=7 Participants
55 Years
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
1 participants
n=7 Participants
1 participants
n=5 Participants
Height (Inches)
66 Inches
n=7 Participants
66 Inches
n=5 Participants
Weight Kilograms
97 Kilograms
n=7 Participants
97 Kilograms
n=5 Participants
Level of Amputation
Above Knee Amputation
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Level of Amputation
Below Knee Amputation
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Current Pain Level
6 Score on a scale
n=7 Participants
6 Score on a scale
n=5 Participants

PRIMARY outcome

Timeframe: 15 minutes after treatment

Population: Only one participant in the trial.

Proportions of Participants Reporting ≥ 50% Improvement in NRS pain score on a scale of 0 (no pain) to 10 (worst pain imaginable) from baseline at 15 minutes in treatment and sham groups.

Outcome measures

Outcome measures
Measure
Treatment Group 2% Lidocaine
n=1 Participants
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine. 5 days later image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline.
Sham Preservative Free Saline
n=1 Participants
Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL preservative free saline. 5 Days later:Image guided sciatic nerve anesthetic block of the contralateral limb with an injection of 10 mL 2% lidocaine.
Number of Participants Reporting ≥ 50% Improvement in NRS Pain Score
1 Participants
1 Participants

Adverse Events

Treatment Group 2% Lidocaine

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Sham Preservative Free Saline

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Paul Fitzgerald

Northwestern University

Phone: 312-695-1064

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place