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Short-Stay Aggressive Hydration to Prevent Post-ERCP Pancreatitis (PuSH)

18 augusti 2026 uppdaterad av: Nicholas Burgess, Westmead Hospital

Preventing Post ERCP Pancreatitis by Short Stay Aggressive Hydration (PuSH) -a Prospective Randomized Trial.

Post-ERCP pancreatitis (PEP) is the most common serious adverse event after endoscopic retrograde cholangiopancreatography (ERCP), occurring in roughly 7-15% of patients. Rectal non-steroidal anti-inflammatory drugs (NSAIDs) and peri-procedural aggressive intravenous hydration each reduce PEP, but published hydration regimens are delivered over 8-24 hours and require an overnight hospital stay, which is impractical where ERCP is increasingly performed as a same-day procedure.

This multicentre, prospective, randomised controlled trial tests whether a short (under 4 hours) aggressive hydration regimen with Lactated Ringer's solution, combined with rectal indomethacin, is superior to standard care (rectal indomethacin plus low-volume hydration) for preventing PEP, while supporting same-day discharge. Adults undergoing ERCP are randomised 1:1. The primary outcome is the incidence of PEP defined by consensus (Cotton) criteria. A total of 1300 participants (650 per arm) will be enrolled.

Studieöversikt

Detaljerad beskrivning

Design: multicentre, parallel-group, superiority RCT with 1:1 allocation, conducted in high-volume tertiary academic endoscopy units.

Interventions: All participants receive 100 mg indomethacin per rectum within 30 minutes before or after ERCP. Participants randomised to aggressive hydration receive a peri-procedural bolus of Lactated Ringer's 20 mL/kg over ~1 hour, then 3 mL/kg/hour for 3 hours (post-procedure infusion capped at 1000 mL). Participants randomised to standard care receive low-volume Lactated Ringer's at the discretion of the endoscopist/anaesthetist (up to 1.5 mL/kg/hour, max 500 mL over 3 hours). For BMI > 40 kg/m2, infusion rates are capped assuming a BMI of 40. Pancreatic duct stenting is permitted in both arms at the proceduralist's discretion per guidelines. Aggressive hydration is discontinued if signs of fluid overload develop.

Follow-up: pre-discharge assessment (fluid-overload exam, pain), a 24-hour telephone follow-up (bloods if symptomatic), and a 30-day telephone follow-up for delayed events and hospitalisation.

Analysis: primary analysis by intention-to-treat; per-protocol analysis also performed. Statistical analysis is conducted blinded to allocation.

Studietyp

Interventionell

Inskrivning (Beräknad)

1300

Fas

  • Inte tillämpbar

Kontakter och platser

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Studiekontakt

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Studieorter

Deltagandekriterier

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Urvalskriterier

Åldrar som är berättigade till studier

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Nej

Beskrivning

Inclusion Criteria:

  • Age over 18 years
  • Undergoing ERCP
  • Able to provide informed consent

Exclusion Criteria:

  • Unable to give consent
  • Clinical signs/symptoms of congestive cardiac failure (pitting oedema, NYHA class ≥ 2, or oxygen saturation ≤ 90%)
  • Respiratory failure (pre-procedure SpO2 < 90% on room air, or requirement for non-invasive/mechanical ventilation)
  • Contraindication to rectal NSAIDs (allergy; active gastrointestinal bleeding)
  • Estimated GFR (MDRD) ≤ 30 mL/min
  • Altered biliary or duodenal anatomy (e.g. prior biliary/pancreatic surgery, Roux-en-Y reconstruction)
  • Known hypo- or hypernatraemia (serum sodium < 130 or > 150 mmol/L)
  • Pregnancy
  • Severe liver disease (cirrhosis with ascites)
  • Previous sphincterotomy (unless undergoing pancreatic duct intervention)
  • Acute pancreatitis
  • Chronic pancreatitis (unless undergoing a pancreatic duct intervention)
  • Sphincter of Oddi dysfunction
  • Pancreatic mass causing biliary obstruction

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Aggressive Hydration
Rectal indomethacin 100 mg plus short-stay aggressive hydration: Lactated Ringer's bolus 20 mL/kg over ~1 hour, then 3 mL/kg/hour for 3 hours (post-procedure infusion capped at 1000 mL).
Lactated Ringer's bolus 20 mL/kg over ~1 hour then 3 mL/kg/hour x 3 hours (cap 1000 mL post-procedure); rate capped at BMI 40 if BMI > 40.
Indomethacin 100 mg per rectum within 30 minutes before, during or after ERCP.
Aktiv komparator: Standard Care
Rectal indomethacin 100 mg plus standard low-volume hydration at proceduralist/anaesthetist discretion (Lactated Ringer's up to 1.5 mL/kg/hour, max 500 mL over 3 hours).
Indomethacin 100 mg per rectum within 30 minutes before, during or after ERCP.
Low-volume Lactated Ringer's at operator discretion, up to 1.5 mL/kg/hour, max 500 mL over 3 hours.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Incidence of post-ERCP pancreatitis (PEP)
Tidsram: Within 72 hours after ERCP (onset within 24 hours)
PEP defined by consensus (Cotton) criteria, requiring ALL of: new or worsened upper abdominal pain; serum amylase or lipase at least 3x the upper limit of normal; pain and enzyme elevation persisting for at least 24 hours; and hospitalisation (or prolongation) of at least 2 days attributable to pancreatitis.
Within 72 hours after ERCP (onset within 24 hours)

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
PEP not fulfilling full Cotton criteria
Tidsram: Within 72 hours after ERCP (onset within 24 hours)
Post-ERCP pancreatitis not meeting full Cotton criteria.
Within 72 hours after ERCP (onset within 24 hours)
Delayed PEP
Tidsram: 24 hours to 30 days after ERCP
Post-ERCP pancreatitis (by Cotton criteria) with onset more than 24 hours after ERCP, identified after initial discharge.
24 hours to 30 days after ERCP
Severity of PEP
Tidsram: Within 30 days after ERCP
Severity graded by Cotton criteria and the Revised Atlanta Classification
Within 30 days after ERCP
ERCP associated adverse events
Tidsram: Within 30 days after ERCP
ERCP-associated adverse events graded by consensus (Cotton) criteria as mild, moderate, or severe: bleeding, perforation, and infection (cholangitis).
Within 30 days after ERCP
Signs of fluid overload
Tidsram: Peri-procedural to 24 hours after ERCP
Pulmonary oedema, peripheral (pitting) oedema, or exacerbation of congestive cardiac failure.
Peri-procedural to 24 hours after ERCP
Hospitalization for any reason within 30 days
Tidsram: Within 30 days after ERCP
Proportion of participants hospitalised (including unplanned admission or readmission) for any reason within 30 days of ERCP. Ascertained from medical records and the 30-day follow-up call.
Within 30 days after ERCP
Cost effectiveness
Tidsram: Within 30 days after ERCP
Cost-effectiveness of short-stay aggressive hydration versus standard care, comparing total cost of healthcare resource use (intravenous fluids and consumables, procedure/recovery time, length of stay, and PEP-related admissions or readmissions) in relation to PEP cases avoided. Reported as incremental cost effectiveness ratio (ICER) for post-ERCP pancreatitis cases avoided.
Within 30 days after ERCP
Hospitalization Length of Stay
Tidsram: Within 30 days of ERCP
In participants hospitalised (including unplanned admission or readmission) for any reason within 30 days of ERCP, the length of hospital stay measured in days. Ascertained from medical records and the 30-day follow-up call.
Within 30 days of ERCP
Hospitalization for PEP Length of Stay
Tidsram: Within 30 days of ERCP
In participants hospitalised (including unplanned admission or readmission) for PEP within 30 days of ERCP, the length of hospital stay measured in days. Ascertained from medical records and the 30-day follow-up call.
Within 30 days of ERCP

Samarbetspartners och utredare

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Utredare

  • Huvudutredare: Nicholas Burgess, Department of Gastroenterology and Hepatology, Westmead Hospital, Sydney, Australia

Publikationer och användbara länkar

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Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 juni 2026

Primärt slutförande (Beräknad)

1 december 2028

Avslutad studie (Beräknad)

1 juni 2029

Studieregistreringsdatum

Först inskickad

5 augusti 2026

Först inskickad som uppfyllde QC-kriterierna

18 augusti 2026

Första postat (Faktisk)

20 augusti 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

20 augusti 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

18 augusti 2026

Senast verifierad

1 augusti 2026

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