- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT07699744
Intravenous Dexamethasone With Single-Shot Versus Continuous Brachial Plexus Block for Rebound Pain After Shoulder Surgery
Pain Management Protocol Optimization for Rebound Pain Prevention and Enhanced Recovery After Shoulder Surgery: A Randomized Noninferiority Trial of Intravenous Dexamethasone Combined With Single-Shot Versus Continuous Brachial Plexus Block
Shoulder surgery often causes severe pain after the operation. To control this pain, doctors commonly perform a nerve block (interscalene brachial plexus block), which numbs the shoulder area. However, when the effect of a single-injection nerve block wears off, many patients experience sudden, intense pain known as "rebound pain".
One way to prevent rebound pain is to place a thin catheter near the nerves so that local anesthetic can be given continuously for a longer period (continuous nerve block). However, this method is technically demanding and can cause problems such as catheter dislodgement, infection, and inconvenience for patients. Another simpler option is to give a single-injection nerve block together with an intravenous (IV) injection of dexamethasone, a steroid medication known to prolong the effect of nerve blocks and reduce rebound pain.
The purpose of this study is to determine whether a single-injection nerve block combined with IV dexamethasone (5 mg) is not inferior to a continuous nerve block in preventing rebound pain after shoulder surgery. A total of 92 adult patients scheduled for elective shoulder surgery will be randomly assigned to one of the two groups. The main outcome is the rebound pain score, defined as the difference between the last pain score recorded in the recovery room (while the nerve block is still working) and the highest pain score reported within the first 24 hours after the nerve block. The investigators expect that the simpler single-injection method with IV dexamethasone will provide comparable pain control while avoiding the complications and inconvenience of catheter-based continuous nerve blocks.
Přehled studie
Postavení
Typ studie
Zápis (Odhadovaný)
Fáze
- Fáze 4
Kontakty a umístění
Studijní kontakt
- Jméno: Hansol Kim, M.D.
- Telefonní číslo: +82-2-2072-2467
- E-mail: hansolfrkr@gmail.com
Studijní záloha kontaktů
- Jméno: Hwan Suk Jang, M.D.
- Telefonní číslo: +82-2-2072-2467
- E-mail: j4n6h5@gmail.com
Studijní místa
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Jongno-gu
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Seoul, Jongno-gu, Jižní Korea, 03080
- Seoul National University Hospital
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Kontakt:
- Hansol Kim, M.D.
- Telefonní číslo: +82-2-2072-2467
- E-mail: hansolfrkr@gmail.com
-
Kontakt:
- Hwan Suk Jang, M.D.
- Telefonní číslo: +82-2-2072-2467
- E-mail: j4n6h5@gmail.com
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-
Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Popis
Inclusion Criteria:
- Adult patients aged 19 to 79 years scheduled for elective shoulder surgery under brachial plexus block and monitored anesthesia care (MAC)
Exclusion Criteria:
- Pre-existing neurological deficit of the brachial plexus
- Emergency surgery
- American Society of Anesthesiologists (ASA) physical status classification IV or higher
- Contraindication or history of hypersensitivity to local anesthetics or dexamethasone
- Severe pulmonary disease (e.g., chronic obstructive pulmonary disease)
- Body mass index (BMI) ≥ 35 kg/m²
- Long-term use of steroids
- Long-term use of analgesics
- Inability to cooperate or communicate
- Pregnancy
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Žádné (otevřený štítek)
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
|---|---|
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Experimentální: Single-shot block with IV dexamethasone
Participants receive a single-shot ultrasound-guided interscalene brachial plexus block with 0.75% ropivacaine 15-20 mL, followed by intravenous dexamethasone 5 mg administered after confirmation of successful block on arrival in the operating room.
Postoperatively, an intravenous patient-controlled analgesia (PCA) pump with fentanyl (10 mcg/mL, bolus 1 mL, lockout 6 min, no basal rate) is connected.
All participants receive standard multimodal analgesia (intravenous acetaminophen 1000 mg plus ibuprofen 300 mg every 8 hours).
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Intravenous dexamethasone 5 mg, administered as a single dose after confirmation of adequate sensory and motor block on arrival in the operating room.
Ultrasound-guided single-shot interscalene brachial plexus block performed with a 50 mm needle.
0.75% ropivacaine 15-20 mL is injected at the interscalene level.
No perineural catheter is placed.
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Aktivní komparátor: Continuous interscalene brachial plexus block
Participants receive an ultrasound-guided continuous interscalene brachial plexus block: 0.75% ropivacaine 15-20 mL is injected at the interscalene level, and a perineural catheter is placed with the tip adjacent to the superior trunk.
Postoperatively, a nerve block PCA (0.2% ropivacaine, basal rate 5 mL/h, bolus 3 mL, lockout 30 min) is connected via the catheter.
All participants receive the same standard multimodal analgesia as the experimental arm.
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Ultrasound-guided interscalene brachial plexus block with 0.75% ropivacaine 15-20 mL, followed by placement of a perineural catheter adjacent to the superior trunk.
Continuous postoperative analgesia is provided through the catheter using 0.2% ropivacaine (basal rate 5 mL/h, bolus 3 mL, lockout time 30 min) via a patient-controlled analgesia pump.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Rebound Pain Score (RPS)
Časové okno: Within 24 hours after the nerve block
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Difference between the last pain score recorded in the post-anesthesia care unit (PACU) while the nerve block is still effective and the highest pain score reported within the first 24 hours after the nerve block, measured on an 11-point Numerical Rating Scale (NRS; 0 = no pain, 10 = worst pain imaginable).
Higher scores indicate more severe rebound pain.
Non-inferiority margin: 1.5.
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Within 24 hours after the nerve block
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Postoperative pain score (NRS)
Časové okno: 4, 8, 12, 24, and 48 hours after surgery
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Pain intensity at rest and during movement, measured on an 11-point NRS (0 = no pain, 10 = worst pain imaginable).
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4, 8, 12, 24, and 48 hours after surgery
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Peak NRS pain score
Časové okno: 0-24 hours and 24-48 hours after surgery
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Highest pain score reported during each period, on an 11-point NRS.
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0-24 hours and 24-48 hours after surgery
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Incidence of severe rebound pain
Časové okno: Within 24 hours after the nerve block
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Proportion of participants experiencing rebound pain with NRS ≥ 7.
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Within 24 hours after the nerve block
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Block duration
Časové okno: Up to 48 hours after the nerve block
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Time from completion of the nerve block to the first onset of pain.
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Up to 48 hours after the nerve block
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Time to first rescue analgesic
Časové okno: Up to 48 hours after surgery
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Time from the end of surgery to the first administration of rescue analgesics.
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Up to 48 hours after surgery
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Cumulative opioid consumption
Časové okno: 24 and 48 hours after surgery
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Cumulative opioid consumption converted to oral morphine equivalents (OME), including PCA use and rescue opioids.
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24 and 48 hours after surgery
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Block performance time
Časové okno: During the block procedure (day of surgery)
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Single-shot group: time from donning gloves to needle removal.
Continuous group: time from donning gloves to completion of aseptic dressing.
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During the block procedure (day of surgery)
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Block failure rate
Časové okno: From block completion to start of surgery (day of surgery)
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Proportion of participants with inadequate sensory/motor block on arrival in the operating room requiring rescue block.
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From block completion to start of surgery (day of surgery)
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Rescue block administration
Časové okno: Day of surgery
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Proportion of participants requiring an additional rescue block (0.75% ropivacaine 5-10 mL).
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Day of surgery
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Intraoperative rescue analgesic use
Časové okno: During surgery
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Proportion of participants requiring intraoperative rescue analgesics (IV fentanyl 50-100 μg).
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During surgery
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Conversion to general anesthesia
Časové okno: During surgery
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Proportion of participants requiring conversion to general anesthesia due to inadequate block or uncontrolled pain.
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During surgery
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Intraoperative sedative consumption
Časové okno: During surgery
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Total dose of propofol administered for sedation during surgery.
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During surgery
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Quality of Recovery-15 Korean version (QoR-15K) score
Časové okno: Baseline (day before surgery) and 24 hours after surgery
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Quality of recovery assessed using the QoR-15K questionnaire (score range 0-150; higher scores indicate better recovery).
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Baseline (day before surgery) and 24 hours after surgery
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Incidence of postoperative nausea and vomiting (PONV)
Časové okno: 4, 8, 12, 24, and 48 hours after surgery
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Proportion of participants experiencing PONV and requiring antiemetics.
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4, 8, 12, 24, and 48 hours after surgery
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Length of hospital stay
Časové okno: From surgery to discharge, up to 30 days
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Duration of hospitalization from surgery to discharge.
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From surgery to discharge, up to 30 days
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Patient satisfaction
Časové okno: 48 hours after surgery
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Numerical rating scale satisfaction score.
0, not satisfied; 10, absolutely satisfied.
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48 hours after surgery
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Incidence of hemidiaphragmatic paralysis
Časové okno: Within 24 hours after the nerve block
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Proportion of participants with phrenic nerve palsy after the block.
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Within 24 hours after the nerve block
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Postoperative blood glucose change
Časové okno: Postoperative day 1
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Change in blood glucose level on postoperative day 1 compared with baseline.
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Postoperative day 1
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Incidence of surgical and anesthetic complications
Časové okno: Up to 30 days after surgery
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Surgical complications (surgical site infection, delayed wound healing) and anesthesia-related complications (nerve injury, local anesthetic systemic toxicity, catheter-related problems such as dislodgement, leakage, or infection).
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Up to 30 days after surgery
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Spolupracovníci a vyšetřovatelé
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Odhadovaný)
Primární dokončení (Odhadovaný)
Dokončení studie (Odhadovaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
- Dexamethason
- Pooperační analgezie
- Operace ramene
- Regionální anestezie
- Zlepšená regenerace po operaci
- Oprava rotátorové manžety
- Odrazová bolest
- Multimodální analgezie
- Soud o neméněcennosti
- Blokáda meziskalního brachiálního plexu
- Perineurální katétr
- Single-shot nerve block
- Continuous peripheral nerve block
- Intravenous dexamethasone
Další relevantní podmínky MeSH
- Bolest
- Neurologické projevy
- Rány a zranění
- Pooperační komplikace
- Patologické procesy
- Prasknutí
- Poranění šlach
- Patologické stavy, příznaky a symptomy
- Příznaky a symptomy
- Zranění rotátorové manžety
- Zranění ramen
- Bolest, pooperační
- Polycyklické sloučeniny
- Těhotenství
- Těhotenství
- Steroidy
- Sloučeniny roztaveného kruhu
- Steroidy, fluorované
- Těhotenství
- Dexamethason
Další identifikační čísla studie
- 2605-154-1749
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