Endotherapy for Painless Chronic Pancreatitis (EACH)

  • STATUS
    Recruiting
  • End date
    Nov 6, 2023
  • participants needed
    60
  • sponsor
    Changhai Hospital
Updated on 6 March 2022

Summary

This is a prospective randomized controlled trial. . Patients will be divided into conservative or endoscopic group and fecal pancreatic elastase-1 (FE-1) is tested to evaluate pancreatic exocrine function. The effect of extracorporeal shock wave lithotripsy and endoscopic treatment on the progression of chronic pancreatitis in painless patients will be determined.

Description

This is a prospective, randomized controlled trial. Patients will be divided into conservative or endoscopic group and FE-1 is tested to evaluate pancreatic exocrine function. The effect of extracorporeal shock wave lithotripsy and endoscopic treatment on the progression of chronic pancreatitis in painless patients will be determined.

Chronic pancreatitis (CP) is a pathologic fibro-inflammatory syndrome of the pancreas that eventually leads to damage of the gland in individuals with genetic, environmental and/or other risk factors. If widespread, this damage causes failure of exocrine and endocrine pancreatic function resulting in steatorrhea and diabetes. The global pooled incidence of CP is 10 cases [95% Confidence interval (CI) 8-12] per 100,000 general population per year. Endoscopic retrograde cholangiopancreatography (ERCP) and extracorporeal shock wave lithotripsy (ESWL) has become first-line therapy for patients with chronic pancreatitis according to guidelines. Endoscopic therapy has been proved effective and safe. The clearance rate of pancreatic stones was 42-76%, and the pain relief rate was 15-85%.

Pain is the major clinical features of CP and remained a major clinical challenge. It is present in up to 90% of patients and is the main cause of hospitalization in most patients.Patten of pain for patients with chronic pancreatitis differs widely.

However, some CP patients have never had abdominal pain during the course of the disease, and participants are often diagnosed with CP due to diabetes or steatorrhea, which are called painless CP, accounting for about 10% of the CP population. These patients are mainly characterized as pancreatic endocrine and exocrine insufficiency. Some studies proposed that painless CP may be related to the severity of inflammation and the pain sensitivity of patients, but the mechanism has not yet been elucidated.

It is still controversial whether painless CP requires active endoscopic intervention or not. The United European Gastroenterology evidence-based guidelines does not recommend endoscopic treatment in painless CP patients, but the recommendation is not supported by strong clinical research evidence. European Society of Gastrointestinal Endoscopy (ESGE) Guideline proposed whether active endoscopic treatment had a protective effect on the pancreatic function of patients with painless CP is still unconfirmed. On the contrary, a small sample study consisting of 41 CP patients by Katsushi found that endoscopic treatment can delay the progression of exocrine dysfunction in CP patients.Considering these contradicting results, it is urgent to conduct a clinical study to determine the effect of endoscopic treatment on preservation of pancreatic function in patients with CP.

Therefore, this study intends to use clinical prospective trials to explore whether patients with painless CP can benefit from active endoscopic minimally invasive interventions (including ERCP, ESWL, etc.), including slowing down the deterioration of pancreatic endocrine and exocrine function and improving patients' life quality and other aspects, and then provide an important reference basis for the clinical treatment of this type of patients.

Considering all these backgrounds, the primary outcome aimed to explore whether painless CP patients can benefit from endoscopic interventions (including ERCP, ESWL, etc.), including slowing down the deterioration of pancreatic endocrine and exocrine function, improving patients' life quality and other aspects. Based on the above, this study intends to provide important reference for the clinical treatment of painless CP patients.

Details
Condition Pancreatitis, Chronic, Exocrine Pancreatic Insufficiency, Abdominal Pain, Cholangiopancreatography, Endoscopic Retrograde
Treatment extracorporeal shock wave lithotripsy and endoscopic drainage of the main pancreatic duct, pancreatic enzyme(Pancreatin Enteric-coated Capsules or Oryz-Aspergillus Enzyme and Pancreatin Table), antidiabetic medicine(Acarbose Tablets, Glucophage, Glimepirde Tablets)
Clinical Study IdentifierNCT05261997
SponsorChanghai Hospital
Last Modified on6 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

diagnosed with chronic pancreatitis without pain attack related with chronic pancreatitis
calcified stone in the cephalic or corporeal portion of the main pancreatic duct with upstream duct dilation
no ERCP or ESWL carried out before admission

Exclusion Criteria

suspected to have malignant tumors
history of pancreatic surgery or gastrojejunostomy (Billroth II)
with end-stage disease
pregnancy or lactation
refuse to write informed consent
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