Frequency of Methods of Local Invasion of Pancreatic Adenocarcinoma

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

COMPLETED

Total Enrollment

1052 participants

Study Classification

OBSERVATIONAL

Study Start Date

2009-09-15

Study Completion Date

2022-09-30

Brief Summary

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Pancreatic cancer often spreads through local invasion into local structures, including fat, blood vessels, nerves, and nearby organs (stomach, duodenum, spleen, bile duct). Local microscopic invasion is associated with recurrence of pancreatic cancer after pancreatic resection, such that even if the original cancer is surgically removed, microscopic areas of cancer often remain. Data on the patterns of local invasion by pancreatic cancer have not been published. In this study, The investigators hope to investigate the frequency of the various methods of local invasion of pancreatic adenocarcinoma. This would help the investigators better understand how pancreatic cancer spreads, and determine what cancers are not resectable.

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Detailed Description

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Pancreatic cancer is the eighth most common malignancy, and the fifth leading cause of cancer-related death, in the United States. Unfortunately, patients often present late in the course of the disease. Accordingly, the 1- year survival rate is approximately 20%, and the 5-year survival rate is less than 4%. Even in patients with local disease who are surgical candidates, survival at five years remains only 10-25%. Staging for pancreatic adenocarcinoma typically utilizes the TNM classification, where "T" represents tumor size, "N" represents regional lymph node metastasis, and "M" represents distant metastasis. This type of staging can usually only be done after operative resection. Unfortunately, up to 25% of patients are found to be unresectable at the time of surgical exploration. This is most often due to local invasion or metastatic disease. Local microscopic invasion is associated with recurrence of pancreatic cancer after pancreatic resection. Comprehensive data on the patterns of local invasion by pancreatic cancer have not been published. The investigators believe that it would be beneficial to investigate the frequency of the various methods of local invasion of pancreatic adenocarcinoma. A clearer understanding of the natural history of local invasion could potentially lead to a better determination of what constitutes unresectability.

Conditions

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Pancreatic Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Tissue confirmed diagnosis of pancreatic adenocarcinoma.
* Underwent surgical resection for adenocarcinoma at the Columbia University Medical Center between 2001-2009.