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

7. Juli 2026 aktualisiert von: 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.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Geschätzt)

120

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

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.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: 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.
Verfahren: 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

Andere Namen:
  • TEE
  • Thorakale Epiduralanalgesie
  • Thoracic epidural blockade
  • Thoracic epidural catheterization
Aktiver Komparator: 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.
Sonstiges: 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.
Andere Namen:
  • Standardanalgesie
  • Conventional pain management
  • Systemic analgesia

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Alive Organ Support-Free Days to Day 14
Zeitfenster: 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

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Organ Failure-Free Days to Day 14
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

First People's Hospital of Chenzhou

Ermittler

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

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. August 2026

Primärer Abschluss (Geschätzt)

1. August 2028

Studienabschluss (Geschätzt)

1. September 2028

Studienanmeldedaten

Zuerst eingereicht

7. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

7. Juli 2026

Zuerst gepostet (Tatsächlich)

13. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

13. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

7. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • TEB-SAP-001

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Beschreibung des IPD-Plans

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-Sharing-Zeitrahmen

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

IPD-Sharing-Zugriffskriterien

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.

Art der unterstützenden IPD-Freigabeinformationen

  • STUDIENPROTOKOLL

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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