Classification and Comparison of Early-onset and Late-onset Idiopathic Chronic Pancreatitis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

1633 participants

Study Classification

OBSERVATIONAL

Study Start Date

2000-01-01

Study Completion Date

2019-12-31

Brief Summary

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Classification of early-onset idiopathic chronic pancreatitis (EOICP) and late-onset idiopathic chronic pancreatitis (LOICP) was proposed based on bimodal distribution of age at onset of idiopathic chronic pancreatitis (ICP). However, studies of larger populations prove it may be normal distribution. Therefore, the aim of the study is to find what the distribution of age at onset of ICP is and whether the classification of EOICP and LOICP is meaningful.

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Detailed Description

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Idiopathic chronic pancreatitis (ICP) patients admitted to the investigator's center from January 2000 to December 2013 were enrolled. Characteristics were compared between early-onset idiopathic chronic pancreatitis (EOICP) and late-onset idiopathic chronic pancreatitis (LOICP) patients. Cumulative rates of diabetes mellitus, steatorrhea, pancreatic stone, pancreatic pseudocyst (PPC), biliary stricture, and pancreatic cancer after the onset and the diagnosis of ICP were calculated, respectively. Different cut-off values for age at onset of ICP were set to classify EOICP and LOICP. Then differences of clinical courses between EOICP and LOICP were compared when classified by distinct cut-off values.

Conditions

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Chronic Pancreatitis Idiopathic Chronic Pancreatitis

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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ICP cohort

Patients with idiopathic pancreatitis

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Patients diagnosed with idiopathic chronic pancreatitis according to Asia-Pacific consensus

Exclusion Criteria

* Pancreatic cancer diagnosed within 2 years after the diagnosis of chronic pancreatitis
* Groove pancreatitis
* Autoimmune pancreatitis
* Chronic pancreatic patients with identified etiologies

Eligible Sex

ALL

Accepts Healthy Volunteers

No