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NCT Number: NCT06391359

Preventing Recurrent 'Idiopathic' Acute Pancreatitis Through Laparoscopic Cholecystectomy (PICUS-2)

Rationale: Annually, acute pancreatitis is diagnosed in 6,500 patients in the Netherlands. In up to 25% of patients no definitive cause can be determined after routine work-up including endoscopic ultrasound and this is deemed to be idiopathic acute pancreatitis (IAP). IAP is known for its high recurrence rate. It is hypothesized that microlithiasis, a type of biliary pancreatitis, is the most common cause of IAP. Laparoscopic cholecystectomy (LC) is highly effective in preventing recurrence of biliary pancreatitis. Currently no randomized trial has compared LC with conservative treatment in patients with IAP after adequate work-up including endoscopic ultrasound.

Objective: To assess the effectiveness of LC as compared to conservative treatment in patients after a first episode of 'EUS-negative' IAP.

Study design: Multicenter randomized controlled trial. Patients will be followed for one year after randomization.

Study population: Adults with a first episode of 'EUS-negative' IAP.

Intervention (if applicable): Laparoscopic cholecystectomy versus conservative treatment.

Main study parameters/endpoints: The primary endpoint is pancreatitis recurrence. Secondary endpoints include occurrence of biliary events, complications of LC, number and severity of recurrent episodes of pancreatitis, quality of life (QALY), costs (hospital and societal) and cost-effectiveness.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Amsterdam UMC, location University of Amsterdam

Amsterdam, North Holland, 1081 HV, Netherlands

Location status: Recruiting

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • At least 18 years old
  • Eligible for early (laparoscopic)* cholecystectomy
  • Full required diagnostic work-up of patient has been performed, including EUS
  • First episode of 'EUS-negative' IAP
  • Informed consent for participation was obtained *if required open cholecystectomy is allowed

Exclusion criteria

  • Recurrent acute pancreatitis
  • Diagnosis of chronic pancreatitis
  • Diagnosis of necrotizing pancreatitis
  • Current pancreatic malignancy
  • Prior cholecystectomy
  • Documented etiology of acute pancreatitis

Treatment and study plan

Laparoscopic cholecystectomy

Procedure

Laparoscopic cholecystectomy

Watchful waiting

Other

Watchful waiting

Primary outcomes

  1. Acute pancreatitis recurrence

    Time frame: Within 1 year after date of inclusion

    Acute pancreatitis recurrence, irrespective of etiology

Study contacts

Contact information is provided by the study sponsor or research team.

Michiel F.G. Francken, MD

CONTACT

[email protected]

+31 088-320-7052

Sponsors and collaborators

Lead sponsor

M.G. Besselink

Other

Registry information

Official study title

Preventing Recurrent 'Idiopathic' Acute Pancreatitis Through Laparoscopic Cholecystectomy (PICUS-2): a Multicenter Randomized Trial

Acronym: PICUS-2

Important dates

Study start
2023
Primary completion
2025
Study completion
2026
First posted
Apr 30, 2024
Registry last updated
Apr 30, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.