- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05416294
Neurostimulation an Adjuvant Postoperative Analgesic in Total Knee Replacement (TKR) Surgeries (TKR)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
It is a common knowledge that total knee replacement (TKR) surgeries produce great deal of pain in the postoperative period. Superior pain relief is justifiably needed and usually provided. In addition to the conventional methods of pain relief such as continuous epidural block, intrathecal adjuvants, femoral nerve block ± sciatic nerve block, transcutaneous electrical nerve stimulation (TENS) and percutaneous electrical neurostimulation (PENS) have been reported effective by various authors. Recently neurostimulation of auricular nerves via the external auricular surface has shown to alleviate pain after caesarian section. Primary Relief® is percutaneous electrical neuro stimulator designed to administer auricular neurostimulation treatment over 240 hours. Stimulation is performed by sending electrical pulses emitted through needles strategically positioned in the ear. The ear provides numerous points for stimulation within a small area Based on the area of pain relief, chosen points are stimulated. Primary Relief is a miniaturized device designed to administer PENS treatment. Use of this device is recommended for pre-operative, intra-operative and post-operative pain therapy as well as for the treatment of chronic pain.
An advantage over drug therapy is that it avoids the possible side-effects of analgesics and helps in early mobilization following orthopedic surgeries including total knee replacement (TKR), total hip replacement (THR) and shoulder surgeries. Therefore, this study is being undertaken to assess the effect of Primary Relief ® in augmenting pain relief after TKR surgery.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Patients undergoing TKR under regional or general anesthesia and femoral nerve block who consent to participate in the study.
Exclusion Criteria:
- ASA 3 or 4
- Those receiving psychiatric medication
- Those with infection at the site of application.
The following data will be collected
- Intraoperative use of local anesthetics, opioids and other analgesics
- Postoperative details as to the time of application of the device. NPRS in both the groups at multiple intervals, on demand analgesic requirement, overall analgesic consumption during the study period, quality of life questionnaire at the end of the study period and relevant postoperative complications will be noted.
- Rescue analgesics will be considered for breakthrough pain or NPRS > 4. Intravenous Tramadol 50mg will be the first rescue analgesic and if pain is not relieved with Tramadol, opiods will be considered. Non steroidal anti inflammatory drugs will be considered to supplement the above medications if there is no contraindication and if need arises.
- NPRS score will be noted at multiple intervals for 10 days.
- Any nausea, vomiting, giddiness, intolerance to the device will also be noted.
- During the follow up, quality of life questionnaire would be administered and the result noted.
The device will be removed after 10 days of its application. Any redness at the site of application or pain at the site are noted. The study will end with the removal of the device.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Active Device
Participants in this arm will receive an active Primary Relief device placed following the total knee replacement surgery.
|
The group will receive PENS treatment using Primary Relief in addition to the multimodal analgesia (morphine, ketorolac, methyl, prednisolone, adrenaline) including the periarticular infiltration of local anaesthetic and/or femoral or epidural catheter for postoperative pain management (bupivacaine, ropivacaine).
|
Sham Comparator: Placebo Device
Participants in this arm will receive an inactive (sham) Primary Relief device placed following the total knee replacement surgery.
|
The group will receive a sham device with multimodal analgesia (morphine, ketorolac, methyl, prednisolone, adrenaline), including the periarticular infiltration of local anaesthetic and/or femoral or epidural catheter for postoperative pain management (bupivacaine, ropivacaine).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Numerical Pain Rating Scale (NPRS)
Time Frame: 0 - 3 days ; 0,2,4,6,8,10,12,18,24,36,48,60,72 hrs from the time of completion of surgery
|
To evaluate the pain score in the immediate postoperative period.
Pain Score with will be measured on a scale (0 = no pain; 10 = worst imaginable pain).
|
0 - 3 days ; 0,2,4,6,8,10,12,18,24,36,48,60,72 hrs from the time of completion of surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
NPRS Numerical Pain Rating Scale score post-mobilization
Time Frame: 4 - 10 days ; 96,120,144,168,192,216,240 hrs from the time of completion of surgery)
|
To evaluate the effect of treatment in reducing the average NPRS scores after mobilization.
The measurement will record the daily NPRS scores from day three to ten days.
|
4 - 10 days ; 96,120,144,168,192,216,240 hrs from the time of completion of surgery)
|
Total Use of Analgesics and Opioids
Time Frame: OVERALL DOSE IN FIRST 3 DAYS & OVERALL DOSE REQUIRED BETWEEN 4 TO 10 DAYS
|
To evaluate the effect of treatment in reducing the overall analgesic and opioid requirement in the immediate postoperative period.
The measurement will record the total dose and number of additional analgesics required during the immediate postoperative period at rest.
|
OVERALL DOSE IN FIRST 3 DAYS & OVERALL DOSE REQUIRED BETWEEN 4 TO 10 DAYS
|
KOOS Score The Knee injury and Osteoarthritis Outcome Score ( koos)
Time Frame: 5 times planned from 0 - 10 day; (i) 24 hrs before Surgery; (ii) 24 Hrs after completion of surgery; (iii) 72 hrs after completion of Surgery; (iv) 120 hrs after completion of Surgery; (v) At the time of device removal -@240 hrs)
|
To assess the effect of treatment in Quality of life during postoperative period, using the knee injury and osteoarthritis outcome score (KOOS)
|
5 times planned from 0 - 10 day; (i) 24 hrs before Surgery; (ii) 24 Hrs after completion of surgery; (iii) 72 hrs after completion of Surgery; (iv) 120 hrs after completion of Surgery; (v) At the time of device removal -@240 hrs)
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- CS014
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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