PainNCT02766556
The Effect of Dexamedetomidine for Interscalene Brachial Plexus Block on Plasma Biomarkers After Rotator Cuff Repair
A study testing dexmedetomidine, ISB and Ropivacaine in people with Pain, run by Chuncheon Sacred Heart Hospital.
Trial summary
The present study was designed to test the hypothesis that dexmedetomidine added to ropivacaine for interscalene brachial plexus blocks for elective shoulder surgery would enhance the duration and effect of analgesia when compared with ropivacaine alone, and their influence on serum IL-6, cortisol, IL-1beta, IL-8, and… Read more about this study
- Who is it for?
- Ages 20 years and olderHealthy volunteers can take part
- Conditions the study is for
- Pain
- What is being tested?
- dexmedetomidine, ISB and Ropivacaine
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 50 participants
- Where
- No sites listed yet
- Study dates
- Aug 2014to Jan 2016
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 20 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- a definite rotator cuff tear that needed repair seen on preoperative magnetic resonance imaging
- acceptance of arthroscopic surgery including rotator cuff repair
- age more than 20 years,
- acceptance of preemptive regional block , PCA and blood sampling after 1 ,6, 12, 24, 48 hour postoperatively. .
Who cannot join
- they did not undergo arthroscopic rotator cuff repair
- they stopped PCA before 48 hours postoperatively because of associated side effects
- there was a history of a previous shoulder operation or fracture
- there was a concomitant neurologic disorder around the shoulder
- refusal of blood sampling.
About this study
Official title: The Effect of Dexamedetomidine for Interscalene Brachial Plexus Block on Plasma Cortisol and IL-6 After Rotator Cuff Repair: a Prospective Randomized Study
The present study was designed to test the hypothesis that dexmedetomidine added to ropivacaine for interscalene brachial plexus blocks for elective shoulder surgery would enhance the duration and effect of analgesia when compared with ropivacaine alone, and their influence on serum IL-6, cortisol, IL-1beta, IL-8, and substance p.
Read the detailed description
Background The incidence of severe postoperative pain after shoulder surgery is 30% to 70%.The postoperative pain should be relieved for early rehabilitation and recovery. Patient-controlled analgesia (PCA) with opiate therapy may control some of the postoperative pain, but it has several side effects such as nausea, vomiting, and dizziness, which can prevent early discharge. Conversely, there are several regional blocks to control postoperative pain. Interscalene brachial plexus block (ISB) is known as one of the most effective regional blocks for shoulder surgery, but it has relatively short duration of effect.
Dexmedetomidine (DEX), a selective agonist of α2-adrenergic receptors, can be an effective adjuvant to local anesthetics for peripheral nerve block. Preclinical and clinical studies have described prolonged duration of analgesia when dexmedetomidine was added to bupivacaine, levobupivacaine, or ropivacaine for peripheral perineural blocks.
Pro-inflammatory cytokines, such as interleukin-6 (IL-6), shows a high association with acute pain because they sensitize the nervous system. IL-6 levels in the plasma are detectable 60 minutes after injury, peaking at 4-6 hours, and are proportional to tissue injury.
Increased plasma cortisol concentrations can be detected within 15 minutes following exposure to a stressor. And several biomarkers related to pain have been studying.
Method 50 patients with rotator cuff tears who had undergone arthroscopic rotator cuff repairs were enrolled in this study. Rotator cuff tears were diagnosed by preoperative magnetic resonance imaging, and the size of the rotator cuff was confirmed at the time of arthroscopic operation. Indication for surgery was a symptomatic full-thickness rotator cuff tear or a partial thickness rotator cuff tear of more than 50% thickness in case of failed conservative therapy. Twenty-five patients were randomly allocated to group 1 and received both ISB with 8mL of ropivacaine with 100 μg (1ml) of dexmedetomidine . The other 25 patients were allocated to group 2 and received ISB with 8mL of ropivacaine with 1ml of normal saline.
Power analysis indicated that a total sample size of 46 patients (23 patients in each cohort) would provide a statistical power of 99% with a 2-sided a level of 0.05 to detect significant differences in the visual analog scale (VAS) score at 6 hours postoperatively, assuming an effect size of 0.88 (mean difference, 2.46, standard deviation, 2.8). This was based on the mean and standard deviation of the VAS at 6 hours postoperatively observed in a pilot study of 20 patients.
Double-blinded randomization was performed as follows. The remaining 50 patients were randomly assigned to 1 of 2 groups depending on the additional dexmedetomidine. Randomization was performed with a computerized random-sequence generator by an independent nurse who prepared a syringe for added dexmedetomidine or saline according to the assignment. The patients and all the medical staff who participated in the operation were blinded of the assignment.
VAS pain score, IL-6, cortisol, IL-1beta, IL-8, and substance p, height, and weight were checked preoperatively. All ISB were performed preemptively under ultrasonographic guidance. After sterile preparation and draping of the injection area, the structures of the brachial plexus were identified using ultrasound (Sonosite M-Turbo 13 mHz linear probe; Sonosite Corp, Bothell, Washington). Injections were performed using an out-of-plane technique using a plexus needle (Plexus Nano Line Uniplex, 22 gauge, 50 mm; Pajunk Corp, Geisingen, Germany). Nerve stimulation was not conducted.
PCA was set at a fixed dose (fentanyl, 0.05 mg/kg loading dose and 0.03 mg/min/kg continuous dose) to remove the effect of a variable amount of PCA. VAS pain score, IL-6, cortisol, IL-1beta, IL-8, and substance p, were checked 1, 6, 12, 24, and 48 hours postoperatively. VAS pain score was selected from 0 to 10, with 0 being no pain and 10 being the most severe pain that the patient had ever experienced.
- Conditions
- Pain
- Being tested
- dexmedetomidine, ISB, Ropivacaine
- Medical subject headings
- Pain
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
dexmedetomidineDrug
Also called dexmedetomidine or normal saline
ISB with ropivacaine with dexmedetomidine or normal saline
ISBProcedure or surgery
Also called ISB for pain control
ISB with ropivacaine with dexmedetomidine or normal saline
RopivacaineDrug
Also called ISB using ropivacaine
ISB with ropivacaine with dexmedetomidine or normal saline
| Study group | Role | What they receive |
|---|---|---|
| arm 1 | Active comparator | received ISB with 8mL of ropivacaine with 100 μg (1ml) of dexmedetomidine Receives: Drug: dexmedetomidine; Procedure: ISB; Drug: Ropivacaine |
| arm 2 | Placebo comparator | received ISB with 8mL of ropivacaine with 1ml of normal saline Receives: Procedure: ISB; Drug: Ropivacaine |
What is being measured
The primary outcome is the main question the study is designed to answer.
change of five biomarkers (IL-6 in pg/ml, cortisol in ng/ml, IL-8 in pg/ml, IL-1beta in pg/ml, substance p in pg/ml) level due to pain after shoulder surgery.
Measured: change from preoperation(baseline) IL-6, cortisol, IL-8, IL-1beta, and substance p level 1, 6, 12, 24, 48 hours after surgery due to postoperative pain
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 May 2016 (estimated)
- Study startAug 2014
- Primary completionAug 2015
- Study completionJan 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (16)Papers the sponsor has linked to this study.
- Other trials for PainStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Investigator, Outcomes assessor
- Enrolment
- 50 participants (actual)
Sponsor and investigators
- Lead sponsor
- Chuncheon Sacred Heart Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Jae Jun Lee, Chuncheon Sacred Heart Hospital
- Investigators
- Jae Jun Lee, M.D., Principal investigator, Department of Anesthesiology and Pain medicine, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02766556
- Sponsor's protocol ID
- 2013-112
- Status last verified
- May 2016
- First submitted
- 3 May 2016
- Last updated
- 10 May 2016
- Results posted
- No
- Data monitoring committee
- Yes
- Individual data sharing
- Yes
Publications
Lee SM, Park SE, Nam YS, Han SH, Lee KJ, Kwon MJ, Ji JH, Choi SK, Park JS. Analgesic effectiveness of nerve block in shoulder arthroscopy: comparison between interscalene, suprascapular and axillary nerve blocks. Knee Surg Sports Traumatol Arthrosc. 2012 Dec;20(12):2573-8. doi: 10.1007/s00167-012-1950-5. Epub 2012 Mar 21.
PubMed 22434159Moote CA. The prevention of postoperative pain. Can J Anaesth. 1994 Jun;41(6):527-33. doi: 10.1007/BF03011550.
PubMed 7915209Fritsch G, Danninger T, Allerberger K, Tsodikov A, Felder TK, Kapeller M, Gerner P, Brummett CM. Dexmedetomidine added to ropivacaine extends the duration of interscalene brachial plexus blocks for elective shoulder surgery when compared with ropivacaine alone: a single-center, prospective, triple-blind, randomized controlled trial. Reg Anesth Pain Med. 2014 Jan-Feb;39(1):37-47. doi: 10.1097/AAP.0000000000000033.
PubMed 24317234Brummett CM, Norat MA, Palmisano JM, Lydic R. Perineural administration of dexmedetomidine in combination with bupivacaine enhances sensory and motor blockade in sciatic nerve block without inducing neurotoxicity in rat. Anesthesiology. 2008 Sep;109(3):502-11. doi: 10.1097/ALN.0b013e318182c26b.
PubMed 18719449Brummett CM, Amodeo FS, Janda AM, Padda AK, Lydic R. Perineural dexmedetomidine provides an increased duration of analgesia to a thermal stimulus when compared with a systemic control in a rat sciatic nerve block. Reg Anesth Pain Med. 2010 Sep-Oct;35(5):427-31. doi: 10.1097/AAP.0b013e3181ef4cf0.
PubMed 20814283Brummett CM, Padda AK, Amodeo FS, Welch KB, Lydic R. Perineural dexmedetomidine added to ropivacaine causes a dose-dependent increase in the duration of thermal antinociception in sciatic nerve block in rat. Anesthesiology. 2009 Nov;111(5):1111-9. doi: 10.1097/ALN.0b013e3181bbcc26.
PubMed 19858875Esmaoglu A, Yegenoglu F, Akin A, Turk CY. Dexmedetomidine added to levobupivacaine prolongs axillary brachial plexus block. Anesth Analg. 2010 Dec;111(6):1548-51. doi: 10.1213/ANE.0b013e3181fa3095. Epub 2010 Oct 1.
PubMed 20889939Marhofer D, Kettner SC, Marhofer P, Pils S, Weber M, Zeitlinger M. Dexmedetomidine as an adjuvant to ropivacaine prolongs peripheral nerve block: a volunteer study. Br J Anaesth. 2013 Mar;110(3):438-42. doi: 10.1093/bja/aes400. Epub 2012 Nov 15.
PubMed 23161360Obayah GM, Refaie A, Aboushanab O, Ibraheem N, Abdelazees M. Addition of dexmedetomidine to bupivacaine for greater palatine nerve block prolongs postoperative analgesia after cleft palate repair. Eur J Anaesthesiol. 2010 Mar;27(3):280-4. doi: 10.1097/EJA.0b013e3283347c15.
PubMed 19935071Swami SS, Keniya VM, Ladi SD, Rao R. Comparison of dexmedetomidine and clonidine (alpha2 agonist drugs) as an adjuvant to local anaesthesia in supraclavicular brachial plexus block: A randomised double-blind prospective study. Indian J Anaesth. 2012 May;56(3):243-9. doi: 10.4103/0019-5049.98767.
PubMed 22923822Brummett CM, Hong EK, Janda AM, Amodeo FS, Lydic R. Perineural dexmedetomidine added to ropivacaine for sciatic nerve block in rats prolongs the duration of analgesia by blocking the hyperpolarization-activated cation current. Anesthesiology. 2011 Oct;115(4):836-43. doi: 10.1097/ALN.0b013e318221fcc9.
PubMed 21666435Brenn D, Richter F, Schaible HG. Sensitization of unmyelinated sensory fibers of the joint nerve to mechanical stimuli by interleukin-6 in the rat: an inflammatory mechanism of joint pain. Arthritis Rheum. 2007 Jan;56(1):351-9. doi: 10.1002/art.22282.
PubMed 17195239Buenaver LF, Edwards RR, Smith MT, Gramling SE, Haythornthwaite JA. Catastrophizing and pain-coping in young adults: associations with depressive symptoms and headache pain. J Pain. 2008 Apr;9(4):311-9. doi: 10.1016/j.jpain.2007.11.005. Epub 2007 Dec 31.
PubMed 18165160Buvanendran A, Kroin JS, Berger RA, Hallab NJ, Saha C, Negrescu C, Moric M, Caicedo MS, Tuman KJ. Upregulation of prostaglandin E2 and interleukins in the central nervous system and peripheral tissue during and after surgery in humans. Anesthesiology. 2006 Mar;104(3):403-10. doi: 10.1097/00000542-200603000-00005.
PubMed 16508385Frank LA, Kunkle GA, Beale KM. Comparison of serum cortisol concentration before and after intradermal testing in sedated and nonsedated dogs. J Am Vet Med Assoc. 1992 Feb 15;200(4):507-10.
PubMed 1559888
Study at a glance
From the registry record, last updated by the sponsor on 10 May 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effect of Dexamedetomidine for Interscalene Brachial Plexus Block on Plasma Cortisol and IL-6 After Rotator Cuff Repair: a Prospective Randomized Study
- ClinicalTrials.gov ID
- NCT02766556
- Acronym / sponsor ID
- 2013-112
- Conditions
- Pain
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 50 participants (actual)
- Lead sponsor
- Chuncheon Sacred Heart HospitalUniversity, hospital or other
- Study start
- Aug 2014
- Primary completion
- Aug 2015 (actual)
- Study completion
- Jan 2016 (actual)
- First posted
- 10 May 2016 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The present study was designed to test the hypothesis that dexmedetomidine added to ropivacaine for interscalene brachial plexus blocks for elective shoulder surgery would enhance the duration and effect of analgesia when compared with ropivacaine alone, and their influence on serum IL-6, cortisol, IL-1beta, IL-8, and substance p.
Detailed description
Background The incidence of severe postoperative pain after shoulder surgery is 30% to 70%.The postoperative pain should be relieved for early rehabilitation and recovery. Patient-controlled analgesia (PCA) with opiate therapy may control some of the postoperative pain, but it has several side effects such as nausea, vomiting, and dizziness, which can prevent early discharge. Conversely, there are several regional blocks to control postoperative pain. Interscalene brachial plexus block (ISB) is known as one of the most effective regional blocks for shoulder surgery, but it has relatively short duration of effect.
Dexmedetomidine (DEX), a selective agonist of α2-adrenergic receptors, can be an effective adjuvant to local anesthetics for peripheral nerve block. Preclinical and clinical studies have described prolonged duration of analgesia when dexmedetomidine was added to bupivacaine, levobupivacaine, or ropivacaine for peripheral perineural blocks.
Pro-inflammatory cytokines, such as interleukin-6 (IL-6), shows a high association with acute pain because they sensitize the nervous system. IL-6 levels in the plasma are detectable 60 minutes after injury, peaking at 4-6 hours, and are proportional to tissue injury.
Increased plasma cortisol concentrations can be detected within 15 minutes following exposure to a stressor. And several biomarkers related to pain have been studying.
Method 50 patients with rotator cuff tears who had undergone arthroscopic rotator cuff repairs were enrolled in this study. Rotator cuff tears were diagnosed by preoperative magnetic resonance imaging, and the size of the rotator cuff was confirmed at the time of arthroscopic operation. Indication for surgery was a symptomatic full-thickness rotator cuff tear or a partial thickness rotator cuff tear of more than 50% thickness in case of failed conservative therapy. Twenty-five patients were randomly allocated to group 1 and received both ISB with 8mL of ropivacaine with 100 μg (1ml) of dexmedetomidine . The other 25 patients were allocated to group 2 and received ISB with 8mL of ropivacaine with 1ml of normal saline.
Power analysis indicated that a total sample size of 46 patients (23 patients in each cohort) would provide a statistical power of 99% with a 2-sided a level of 0.05 to detect significant differences in the visual analog scale (VAS) score at 6 hours postoperatively, assuming an effect size of 0.88 (mean difference, 2.46, standard deviation, 2.8). This was based on the mean and standard deviation of the VAS at 6 hours postoperatively observed in a pilot study of 20 patients.
Double-blinded randomization was performed as follows. The remaining 50 patients were randomly assigned to 1 of 2 groups depending on the additional dexmedetomidine. Randomization was performed with a computerized random-sequence generator by an independent nurse who prepared a syringe for added dexmedetomidine or saline according to the assignment. The patients and all the medical staff who participated in the operation were blinded of the assignment.
VAS pain score, IL-6, cortisol, IL-1beta, IL-8, and substance p, height, and weight were checked preoperatively. All ISB were performed preemptively under ultrasonographic guidance. After sterile preparation and draping of the injection area, the structures of the brachial plexus were identified using ultrasound (Sonosite M-Turbo 13 mHz linear probe; Sonosite Corp, Bothell, Washington). Injections were performed using an out-of-plane technique using a plexus needle (Plexus Nano Line Uniplex, 22 gauge, 50 mm; Pajunk Corp, Geisingen, Germany). Nerve stimulation was not conducted.
PCA was set at a fixed dose (fentanyl, 0.05 mg/kg loading dose and 0.03 mg/min/kg continuous dose) to remove the effect of a variable amount of PCA. VAS pain score, IL-6, cortisol, IL-1beta, IL-8, and substance p, were checked 1, 6, 12, 24, and 48 hours postoperatively. VAS pain score was selected from 0 to 10, with 0 being no pain and 10 being the most severe pain that the patient had ever experienced.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| arm 1 | Active comparator | Drug: dexmedetomidine, Procedure: ISB, Drug: Ropivacainereceived ISB with 8mL of ropivacaine with 100 μg (1ml) of dexmedetomidine |
| arm 2 | Placebo comparator | Procedure: ISB, Drug: Ropivacainereceived ISB with 8mL of ropivacaine with 1ml of normal saline |
Who may qualify
- Ages
- 20 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- a definite rotator cuff tear that needed repair seen on preoperative magnetic resonance imaging
- acceptance of arthroscopic surgery including rotator cuff repair
- age more than 20 years,
- acceptance of preemptive regional block , PCA and blood sampling after 1 ,6, 12, 24, 48 hour postoperatively. .
Key exclusion criteria (5 listed)
- they did not undergo arthroscopic rotator cuff repair
- they stopped PCA before 48 hours postoperatively because of associated side effects
- there was a history of a previous shoulder operation or fracture
- there was a concomitant neurologic disorder around the shoulder
- refusal of blood sampling.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| dexmedetomidineAlso: dexmedetomidine or normal salineISB with ropivacaine with dexmedetomidine or normal saline | Drug | arm 1 |
| ISBAlso: ISB for pain controlISB with ropivacaine with dexmedetomidine or normal saline | Procedure or surgery | arm 1, arm 2 |
| RopivacaineAlso: ISB using ropivacaineISB with ropivacaine with dexmedetomidine or normal saline | Drug | arm 1, arm 2 |
Primary outcome
change of five biomarkers (IL-6 in pg/ml, cortisol in ng/ml, IL-8 in pg/ml, IL-1beta in pg/ml, substance p in pg/ml) level due to pain after shoulder surgery.
Time frame: change from preoperation(baseline) IL-6, cortisol, IL-8, IL-1beta, and substance p level 1, 6, 12, 24, 48 hours after surgery due to postoperative pain
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 10 May 2016.
- Results publication: PubMed 22434159Lee SM, Park SE, Nam YS, Han SH, Lee KJ, Kwon MJ, Ji JH, Choi SK, Park JS. Analgesic effectiveness of nerve block in shoulder arthroscopy: comparison between interscalene, suprascapular and axillary nerve blocks. Knee Surg Sports Traumatol Arthrosc. 2012 Dec;20(12):2573-8. doi: 10.1007/s00167-012-1950-5. Epub 2012 Mar 21.
- Results publication: PubMed 7915209Moote CA. The prevention of postoperative pain. Can J Anaesth. 1994 Jun;41(6):527-33. doi: 10.1007/BF03011550.
- Results publication: PubMed 24317234Fritsch G, Danninger T, Allerberger K, Tsodikov A, Felder TK, Kapeller M, Gerner P, Brummett CM. Dexmedetomidine added to ropivacaine extends the duration of interscalene brachial plexus blocks for elective shoulder surgery when compared with ropivacaine alone: a single-center, prospective, triple-blind, randomized controlled trial. Reg Anesth Pain Med. 2014 Jan-Feb;39(1):37-47. doi: 10.1097/AAP.0000000000000033.
- Results publication: PubMed 18719449Brummett CM, Norat MA, Palmisano JM, Lydic R. Perineural administration of dexmedetomidine in combination with bupivacaine enhances sensory and motor blockade in sciatic nerve block without inducing neurotoxicity in rat. Anesthesiology. 2008 Sep;109(3):502-11. doi: 10.1097/ALN.0b013e318182c26b.
- Results publication: PubMed 20814283Brummett CM, Amodeo FS, Janda AM, Padda AK, Lydic R. Perineural dexmedetomidine provides an increased duration of analgesia to a thermal stimulus when compared with a systemic control in a rat sciatic nerve block. Reg Anesth Pain Med. 2010 Sep-Oct;35(5):427-31. doi: 10.1097/AAP.0b013e3181ef4cf0.
- Results publication: PubMed 19858875Brummett CM, Padda AK, Amodeo FS, Welch KB, Lydic R. Perineural dexmedetomidine added to ropivacaine causes a dose-dependent increase in the duration of thermal antinociception in sciatic nerve block in rat. Anesthesiology. 2009 Nov;111(5):1111-9. doi: 10.1097/ALN.0b013e3181bbcc26.
- Results publication: PubMed 20889939Esmaoglu A, Yegenoglu F, Akin A, Turk CY. Dexmedetomidine added to levobupivacaine prolongs axillary brachial plexus block. Anesth Analg. 2010 Dec;111(6):1548-51. doi: 10.1213/ANE.0b013e3181fa3095. Epub 2010 Oct 1.
- Results publication: PubMed 23161360Marhofer D, Kettner SC, Marhofer P, Pils S, Weber M, Zeitlinger M. Dexmedetomidine as an adjuvant to ropivacaine prolongs peripheral nerve block: a volunteer study. Br J Anaesth. 2013 Mar;110(3):438-42. doi: 10.1093/bja/aes400. Epub 2012 Nov 15.
- Results publication: PubMed 19935071Obayah GM, Refaie A, Aboushanab O, Ibraheem N, Abdelazees M. Addition of dexmedetomidine to bupivacaine for greater palatine nerve block prolongs postoperative analgesia after cleft palate repair. Eur J Anaesthesiol. 2010 Mar;27(3):280-4. doi: 10.1097/EJA.0b013e3283347c15.
- Results publication: PubMed 22923822Swami SS, Keniya VM, Ladi SD, Rao R. Comparison of dexmedetomidine and clonidine (alpha2 agonist drugs) as an adjuvant to local anaesthesia in supraclavicular brachial plexus block: A randomised double-blind prospective study. Indian J Anaesth. 2012 May;56(3):243-9. doi: 10.4103/0019-5049.98767.
- Results publication: PubMed 21666435Brummett CM, Hong EK, Janda AM, Amodeo FS, Lydic R. Perineural dexmedetomidine added to ropivacaine for sciatic nerve block in rats prolongs the duration of analgesia by blocking the hyperpolarization-activated cation current. Anesthesiology. 2011 Oct;115(4):836-43. doi: 10.1097/ALN.0b013e318221fcc9.
- Results publication: PubMed 17195239Brenn D, Richter F, Schaible HG. Sensitization of unmyelinated sensory fibers of the joint nerve to mechanical stimuli by interleukin-6 in the rat: an inflammatory mechanism of joint pain. Arthritis Rheum. 2007 Jan;56(1):351-9. doi: 10.1002/art.22282.
- Individual participant dataSharing planned: Yes
Related trials for Pain
Not yet recruiting
Effect of Stress Ball Use During Femoral Arterial Sheath Removal After Coronary Angiography
Femoral Arterial Sheath Removal, Stress Ball
Recruiting
Empowered Relief® for Cancer Survivors With Chronic Pain
Chronic Pain Due to Cancer, Pain Catastrophizing
RecruitingPhase 4
ESP Blocks for Posterior Spinal Fusion
Postoperative Pain
RecruitingObservational study
Pain Phenotypes in Individuals With Multiple Sclerosis
Multiple Sclerosis, Chronic Pain
Not yet recruiting
Effects of Hip Hinge Exercises on Pain, Range of Motion and Functional Disability in Non-specific Low Back Pain.
Low Back Pain
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Jae Jun Lee, M.D. principal investigator
Department of Anesthesiology and Pain medicine, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University
Questions about this trial
What is this clinical trial studying?
A study testing dexmedetomidine, ISB and Ropivacaine in people with Pain, run by Chuncheon Sacred Heart Hospital.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 10 May 2016. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
change of five biomarkers (IL-6 in pg/ml, cortisol in ng/ml, IL-8 in pg/ml, IL-1beta in pg/ml, substance p in pg/ml) level due to pain after shoulder surgery. (time frame: change from preoperation(baseline) IL-6, cortisol, IL-8, IL-1beta, and substance p level 1, 6, 12, 24, 48 hours after surgery due to postoperative pain). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02766556, which also lists 16 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 May 2016.