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Thoracic Epidural Block for Severe Acute Pancreatitis (TEB-SAP)

tiistai 7. heinäkuuta 2026 päivittänyt: Xingui Dai, First People's Hospital of Chenzhou

Thoracic Epidural Block in Patients With Severe Acute Pancreatitis: A Single-Center, Prospective, Randomized, Open-Label, Parallel-Group Trial

Severe acute pancreatitis is a serious illness that can cause severe abdominal pain, inflammation, increased abdominal pressure, feeding intolerance, and early problems with breathing, circulation, and kidney function. Patients with severe acute pancreatitis often need treatment in the intensive care unit. Pain control is an important part of treatment, but conventional pain medicines, especially opioids, may cause side effects such as respiratory depression, reduced bowel movement, nausea, vomiting, delirium, and delayed enteral nutrition.

Thoracic epidural block is a regional pain-control technique. It may relieve abdominal pain by blocking pain signals and sympathetic nerve activity from the chest and upper abdominal region. This treatment may also reduce the need for systemic opioid medicines, improve bowel function, improve tolerance to enteral nutrition, and reduce the need for early organ support in some patients.

This study is a single-center, prospective, randomized, open-label, parallel-group trial. Adult patients with severe acute pancreatitis will be randomly assigned to either a thoracic epidural block group or a conventional analgesia group. Patients in the thoracic epidural block group will receive continuous thoracic epidural infusion of ropivacaine alone, without epidural opioids such as sufentanil, fentanyl, or morphine. Intravenous pain medicines will be used only before epidural block initiation, as rescue analgesia when epidural pain control is inadequate, or after epidural block is paused, fails, or is discontinued. Patients in the conventional analgesia group will receive standard pain treatment according to clinical practice.

The main goal of this study is to determine whether thoracic epidural block can increase the number of days patients are alive and free from ICU-level organ support during the first 14 days after randomization. ICU-level organ support includes invasive mechanical ventilation, noninvasive ventilation, vasoactive or inotropic drug infusion, and renal replacement therapy. The study will also evaluate pain scores, opioid consumption, enteral nutrition tolerance, intra-abdominal pressure, organ function scores, complications, length of ICU and hospital stay, hospital cost, 28-day mortality, and adverse events related to thoracic epidural block.

Tutkimuksen yleiskatsaus

Tila

Ei vielä rekrytointia

Ehdot

Interventio / Hoito

Opintotyyppi

Interventio

Ilmoittautuminen (Arvioitu)

120

Vaihe

  • Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskeluyhteys

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

  • Aikuinen
  • Vanhempi Aikuinen

Hyväksyy terveitä vapaaehtoisia

Ei

Kuvaus

Inclusion Criteria:

  1. Age 18 to 75 years.
  2. Diagnosis of acute pancreatitis, defined by at least two of the following three criteria: typical acute upper abdominal pain; serum amylase and/or lipase greater than three times the upper limit of normal; imaging findings consistent with acute pancreatitis on contrast-enhanced CT, MRI, or ultrasound.
  3. Admission or transfer to the study hospital within 72 hours after symptom onset.
  4. Severe acute pancreatitis, or moderately severe acute pancreatitis with early respiratory, cardiovascular, or renal organ dysfunction.
  5. Expected need for hospitalization and continuous clinical observation for at least 72 hours.
  6. Written informed consent provided by the participant or legally authorized representative.

Exclusion Criteria:

  1. Acute exacerbation of chronic pancreatitis.
  2. Acute pancreatitis associated with pancreatic tumor.
  3. Pregnancy or lactation.
  4. Prior percutaneous abdominal drainage, retroperitoneal drainage, endoscopic drainage, necrosectomy, or surgery before randomization that may substantially affect outcome assessment.
  5. End-stage malignant disease or expected survival less than 3 months.
  6. Severe pre-existing cardiac, pulmonary, hepatic, renal, hematologic, immune, or neurological disease judged by investigators to interfere with outcome assessment.
  7. Severe pre-existing neurological disease that prevents assessment of neurological complications.
  8. Coagulopathy or bleeding risk judged to contraindicate epidural catheterization, including severe thrombocytopenia, elevated INR, prolonged APTT, or other clinically significant coagulation abnormality.
  9. Ongoing anticoagulant or antiplatelet therapy for which discontinuation does not meet neuraxial anesthesia safety requirements.
  10. Puncture site infection, epidural abscess, central nervous system infection, or uncontrolled severe systemic infection.
  11. Severe spinal deformity, prior relevant spinal surgery, or anatomical abnormality that prevents safe thoracic epidural catheterization.
  12. Intracranial hypertension, spinal cord disease, radiculopathy, or other central nervous system disorder that contraindicates neuraxial block.
  13. Known allergy to local anesthetics or other study-related medications.
  14. Refractory shock or severe hemodynamic instability not suitable for thoracic epidural block.
  15. Severe psychiatric disease, cognitive impairment, or inability to cooperate with the study without availability of a legally authorized representative.
  16. Participation in another interventional clinical trial within the previous 3 months.
  17. Any other condition that, in the opinion of the investigators, makes the participant unsuitable for enrollment.

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Hoito
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Ei mitään (avoin tarra)

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: Thoracic Epidural Block Group

Participants in this group will receive thoracic epidural block and standard treatment for severe acute pancreatitis. Thoracic epidural catheterization will be performed by trained anesthesiologists after assessment of hemodynamic status, coagulation function, infection risk, respiratory status, and baseline neurological status. Epidural infusion will use ropivacaine alone. No epidural opioid, including sufentanil, fentanyl, or morphine, will be added.

After successful initiation of thoracic epidural block and achievement of the analgesic target, routine intravenous opioid analgesia will not be used in this group. Intravenous analgesics will be allowed only as transitional analgesia before epidural block initiation, rescue analgesia when epidural analgesia is inadequate, or analgesia after epidural block is paused, fails, or is discontinued. All systemic analgesic use and opioid consumption will be recorded.
Menettely: Thoracic Epidural Block With Ropivacaine

Thoracic epidural block will be performed by trained anesthesiologists. Before catheterization, the clinical team will assess hemodynamic status, coagulation function, antithrombotic medication use, infection risk, respiratory status, and baseline neurological status. The puncture level will be selected according to the participant's condition and operator assessment, generally within the T7-T11 range to cover upper abdominal pain.

After thoracic epidural catheter placement, a test dose of 1%-1.5% lidocaine 3 mL will be administered to exclude intrathecal or intravascular catheter placement. If the test dose is negative, a loading dose of ropivacaine may be administered, followed by continuous thoracic epidural infusion of ropivacaine alone.

No epidural opioid, including sufentanil, fentanyl, or morphine, will be added to the epidural infusion in this study. A recommended regimen is 0.1%-0.2% ropivacaine, initiated at approximately 5 mL/hour and adjusted according to pain score, hemo

Muut nimet:
  • TEE
  • Rintakehän epiduraalinen analgesia
  • Thoracic epidural blockade
  • Thoracic epidural catheterization
Active Comparator: Conventional Analgesia Group
Participants in this group will receive conventional analgesia and standard treatment for severe acute pancreatitis. Conventional analgesia may include non-steroidal anti-inflammatory drugs, acetaminophen, tramadol, fentanyl, sufentanil, oxycodone, hydromorphone, morphine, dexmedetomidine, or other analgesic and sedative medications according to clinical judgment. Analgesic drugs, doses, routes, duration of administration, rescue analgesia, sedative use, and opioid consumption will be recorded.
Muut: conventional analgesia
Conventional analgesia will be administered according to institutional practice and the participant's clinical condition. The analgesic target is an NRS score of 3 or less in conscious and communicative participants, or a CPOT score of 2 or less in non-communicative critically ill participants. Analgesic drugs, doses, routes, duration of administration, rescue analgesia, sedative use, and opioid consumption will be recorded.
Muut nimet:
  • Tavallinen kipulääkitys
  • Conventional pain management
  • Systemic analgesia

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Alive Organ Support-Free Days to Day 14
Aikaikkuna: From randomization to day 14
Alive organ support-free days to day 14 is defined as the number of days from randomization to day 14 during which the participant is alive and free of ICU-level organ support. ICU-level organ support includes invasive mechanical ventilation, noninvasive ventilation, continuous infusion of vasoactive or inotropic drugs, and renal replacement therapy. A day will be counted as organ support-free only if the participant is alive and does not receive any of these organ support treatments on that day. Participants who die within 14 days after randomization will be assigned 0 alive organ support-free days.
From randomization to day 14

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Organ Failure-Free Days to Day 14
Aikaikkuna: From randomization to day 14
Number of days from randomization to day 14 during which the participant is alive and free of respiratory, cardiovascular, and renal organ failure. Organ failure is defined as a SOFA subscore of 2 or higher in any of the following systems: respiratory, cardiovascular, or renal. Participants who die within 14 days will be assigned 0 organ failure-free days.
From randomization to day 14
Alive Organ Support-Free Days to Day 28
Aikaikkuna: From randomization to day 28
Number of days from randomization to day 28 during which the participant is alive and free of ICU-level organ support, including invasive mechanical ventilation, noninvasive ventilation, vasoactive or inotropic drug infusion, and renal replacement therapy. Participants who die within 28 days will be assigned 0 days.
From randomization to day 28
Ventilator-Free Days to Day 28
Aikaikkuna: From randomization to day 28
Number of days from randomization to day 28 during which the participant is alive and free of invasive mechanical ventilation. Participants who die within 28 days will be assigned 0 ventilator-free days.
From randomization to day 28
Renal Replacement Therapy-Free Days to Day 28
Aikaikkuna: From randomization to day 28
Number of days from randomization to day 28 during which the participant is alive and free of renal replacement therapy. Renal replacement therapy includes continuous renal replacement therapy and intermittent hemodialysis for acute kidney injury. Participants who die within 28 days will be assigned 0 days.
From randomization to day 28
Vasoactive Drug-Free Days to Day 28
Aikaikkuna: From randomization to day 28
Number of days from randomization to day 28 during which the participant is alive and free of vasoactive or inotropic drug infusion. Vasoactive or inotropic drugs include norepinephrine, epinephrine, dopamine, vasopressin, dobutamine, or other agents used for shock or circulatory support. Participants who die within 28 days will be assigned 0 days.
From randomization to day 28
Pain Score
Aikaikkuna: Baseline, 3-6 hours after intervention initiation, and days 1, 3, 5, and 7
Pain intensity will be assessed using the Numeric Rating Scale in conscious and communicative participants or the Critical-Care Pain Observation Tool in non-communicative critically ill participants. Lower scores indicate better pain control.
Baseline, 3-6 hours after intervention initiation, and days 1, 3, 5, and 7
Analgesic Target Achievement Rate
Aikaikkuna: From randomization to day 7
Total systemic opioid consumption during the first 7 days after randomization, converted to intravenous morphine equivalent dose when applicable.
From randomization to day 7

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

First People's Hospital of Chenzhou

Tutkijat

  • Opintojen puheenjohtaja: Xingui Dai, PHD, Chen Zhou NO.1 People's Hospital

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

Opi tärkeimmät päivämäärät

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Opintoihin ilmoittautumispäivät

Ensimmäinen lähetetty

Tiistai 7. heinäkuuta 2026

Ensimmäinen toimitettu, joka täytti QC-kriteerit

Tiistai 7. heinäkuuta 2026

Ensimmäinen Lähetetty (Todellinen)

Maanantai 13. heinäkuuta 2026

Tutkimustietojen päivitykset

Viimeisin päivitys julkaistu (Todellinen)

Maanantai 13. heinäkuuta 2026

Viimeisin lähetetty päivitys, joka täytti QC-kriteerit

Tiistai 7. heinäkuuta 2026

Viimeksi vahvistettu

Keskiviikko 1. heinäkuuta 2026

Lisää tietoa

Tähän tutkimukseen liittyvät termit

Avainsanat

Muita asiaankuuluvia MeSH-ehtoja

Muut tutkimustunnusnumerot

  • TEB-SAP-001

Yksittäisten osallistujien tietojen suunnitelma (IPD)

Aiotko jakaa yksittäisten osallistujien tietoja (IPD)?

JOO

IPD-suunnitelman kuvaus

Deidentified individual participant data underlying the published results may be made available upon reasonable request after publication of the main study results. Data sharing will require approval by the principal investigator and the institution, and by the ethics committee when applicable. Data will be shared only for scientifically valid analyses and after signing an appropriate data use agreement.

IPD-jaon aikakehys

Beginning 6 months after publication of the main study results and available for 3 years.

IPD-jaon käyttöoikeuskriteerit

Qualified researchers may submit a written request including research purpose, analysis plan, requested data elements, and data protection measures. Requests will be reviewed by the principal investigator and the institution.

IPD-jakamista tukeva tietotyyppi

  • STUDY_PROTOCOL

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Nämä tiedot haettiin suoraan verkkosivustolta clinicaltrials.gov ilman muutoksia. Jos sinulla on pyyntöjä muuttaa, poistaa tai päivittää tutkimustietojasi, ota yhteyttä register@clinicaltrials.gov. Heti kun muutos on otettu käyttöön osoitteessa clinicaltrials.gov, se päivitetään automaattisesti myös verkkosivustollemme .

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