AzTrials
AzTrials

Suprascapular Nerve BlockPhase 4NCT04398589

The Effect of Dexmedetomidine for Suprascapular Nerve Block With Axillary Nerve Block

A Phase 4 study testing Dexmedetomidine injection and Saline injection in people with Suprascapular Nerve Block and Axillary Nerve Block, run by Chuncheon Sacred Heart Hospital at 1 site in South Korea.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

Suprascapular nerve block (SSNB) is most commonly used for relieving postoperative pain of arthroscopic rotator cuff repair and it can be used in combination with axillary nerve block (ANB). Dexmedetomidine (DEX) is known as a type of alpha agonist which can elongate the duration of regional block. Read more about this study

Who is it for?
Ages 20 to 80 years
What is being tested?
Dexmedetomidine injection and Saline injection
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
46 participants
Where
1 siteSouth Korea
Study dates
20 May 2015to 30 Jun 2016
Phase
Phase 4
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 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • defined rotator cuff tear on preoperative MRI, which indicated repair
  • acceptable arthroscopic surgery, including rotator cuff repair
  • patients >20 years old
  • acceptable routine regional blocks and patient-controlled analgesia (PCA)

Who cannot join

  • did not undergo arthroscopic rotator cuff repair
  • stopped PCA before 48 h postoperatively due to side effects
  • had a concomitant operation for a Bankart lesion
  • had a history of shoulder operation or fracture
  • had a concomitant neurological disorder around the shoulder
  • underwent conversion to open surgery from the arthroscopy
  • had contraindications for the routine regional blocks used in this study
  • had an known allergy or hypersensitivity against ropivacaine or dexmedetomidine, including other amino-amide local anesthetics or α2-adrenoceptor agonists.

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Chuncheon Sacred Heart Hospital

    Chuncheon, Gangwon-do, 24253

Other trials in South Korea

About this study

Official title: The Effect of Dexmedetomidine for Suprascapular Nerve Block With Axillary Nerve Block on Plasma Cortisol and Pain-related Cytokines After Arthroscopic Rotator Cuff Repair: a Randomized Controlled Trial

Suprascapular nerve block (SSNB) is most commonly used for relieving postoperative pain of arthroscopic rotator cuff repair and it can be used in combination with axillary nerve block (ANB). Dexmedetomidine (DEX) is known as a type of alpha agonist which can elongate the duration of regional block. The aim of this study was to compare the results of dexmedetomidine combined with SSNB and ANB with SSNB and ANB alone on postoperative pain, satisfaction, and pain-related cytokines within the first 48 hours after arthroscopic rotator cuff repair.

Forty patients with rotator cuff tears who had undergone arthroscopic rotator cuff repair were enrolled in this single center, double-blinded randomized controlled trial study. Twenty patients were randomly allocated to group 1 and received ultrasound-guided SSNB and ANB using each mixture of 0.5 ml (50 μg) of DEX and 9.5 ml of 0.75% ropivacaine preemptively. The other 20 patients were allocated to group 2 and underwent ultrasound-guided SSNB and ANB alone using a mixture of 0.5 ml of normal saline and 9.5 ml of ropivacaine. The visual analog scale (VAS) for pain and patient satisfaction (SAT) scores were checked within 48 h postoperatively. The plasma interleukin (IL)-6, -8,-1β, cortisol, and serotonin levels were also measured within 48 h postoperatively.

Being tested
Dexmedetomidine injection, Saline injection
Medical subject headings
Pain, Postoperative

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Dexmedetomidine injectionDrug

    Also called suprascapular nerve block and axillary nerve block c ropivacaine, arthroscopic rotator cuff repair

    We used 9.5 ml of 0.75% ropivacaine and 0.5 ml (50 μg) of dexmedetomidine each for preemptive suprascapular nerve block and axillary nerve block just before arthroscopic repair of rotator cuff tear.

  • Saline injectionDrug

    Also called suprascapular nerve block and axillary nerve block c ropivacaine, arthroscopic rotator cuff repair

    We used 9.5 ml of 0.75% ropivacaine and 0.5 ml normal saline each for preemptive suprascapular nerve block and axillary nerve block just before arthroscopic repair of rotator cuff tear.

Study groups in NCT04398589
Study groupRoleWhat they receive
SSNB and ANB c DEXExperimentalWe used 9.5 ml of 0.75% ropivacaine and 0.5 ml (50 μg) of dexmedetomidine each for SSNB and ANB.
Receives: Drug: Dexmedetomidine injection
SSNB and ANB c salinePlacebo comparatorWe used 9.5 ml of 0.75% ropivacaine and 0.5 ml normal saline each for SSNB and ANB.
Receives: Drug: Saline injection

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. visual analog scale of pain

    The VAS pain score was based on a scale from 0 to 10, where 0 indicated no pain and 10 indicated severe pain.

    Measured: change from baseline VAS pain score at hour 48

Secondary outcomes (6)
  1. patient's satisfaction

    patient's satisfaction score was based on a scale from 0 to 10, where 0 indicated no satisfaction and 10 indicated much satisfaction.

    Measured: change from baseline patient's satisfaction score at hour 48

  2. Plasma cortisol level

    A 3-ml blood sample was retrieved from the peripheral vein of the contralateral upper limb or both lower limbs per sampling.

    Measured: change from baseline plasma cortisol level at hour 48

  3. Plasma IL-6 level

    A 3-ml blood sample was retrieved from the peripheral vein of the contralateral upper limb or both lower limbs per sampling.

    Measured: change from baseline plasma IL-6 level at hour 48

  4. Plasma IL-8 level

    A 3-ml blood sample was retrieved from the peripheral vein of the contralateral upper limb or both lower limbs per sampling.

    Measured: change from baseline plasma IL-8 level at hour 48

  5. Plasma IL-1β level

    A 3-ml blood sample was retrieved from the peripheral vein of the contralateral upper limb or both lower limbs per sampling.

    Measured: change from baseline plasma IL-1β level at hour 48

  6. Plasma serotonin level

    A 3-ml blood sample was retrieved from the peripheral vein of the contralateral upper limb or both lower limbs per sampling.

    Measured: change from baseline plasma serotonin level at hour 48

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 May 2020
  2. Study start20 May 2015
  3. Primary completion18 Dec 2015
  4. Study completion30 Jun 2016

Resources

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 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
46 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04398589
Sponsor's protocol ID
2015-20
Status last verified
May 2020
First submitted
8 May 2020
Last updated
21 May 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: We will discuss it with our IRB.

Publications

  • Lee JJ, Kim DY, Hwang JT, Song DK, Lee HN, Jang JS, Lee SS, Hwang SM, Moon SH, Shim JH. Dexmedetomidine combined with suprascapular nerve block and axillary nerve block has a synergistic effect on relieving postoperative pain after arthroscopic rotator cuff repair. Knee Surg Sports Traumatol Arthrosc. 2021 Dec;29(12):4022-4031. doi: 10.1007/s00167-020-06288-8. Epub 2020 Sep 25.

    PubMed 32975624

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Dexmedetomidine injection and Saline injection in people with Suprascapular Nerve Block and Axillary Nerve Block, run by Chuncheon Sacred Heart Hospital at 1 site in South Korea.

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 8 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 21 May 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

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?

visual analog scale of pain (time frame: change from baseline VAS pain score at hour 48). 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 NCT04398589, which also lists 1 linked publication.

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 21 May 2020.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in