Clinical trial NCT00548626: Evaluation of Multiple Needle Use in EUS-FNA for Pancreatic Cancer
Official title: EMUNE-07 Evaluation of Multiple Needle Use in EUS-FNA for Pancreatic Cancer
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Pancreatic Cancer
Keywords: Pancreatic Cancer
Endoscopic Ultrasonography
Fine-Needle Aspiration
Cytopathology
Lead sponsor: University of Chicago
Sponsor class: OTHER
Collaborators: name: Cook Group Incorporated
First posted: 2007-10-24
Enrollment: 47
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: DIAGNOSTIC

Brief summary: The aim of this study is to evaluate if the early change of needle during EUS-FNA for suspected pancreatic cancer allows an earlier preliminary cytological diagnosis of neoplasia.

Detailed description: This is a prospective randomized controlled trial which will recruit patients referred for suspicion of pancreatic mass and indication of EUS-FNA as part of standard of care in the Interventional Endoscopy Unit at the University Of Chicago Medical Center. Basic demographic data will be recorded for each patient. If a pancreatic mass is confirmed in EUS evaluation the patient will be randomized in a 1:1 ratio to either Control group (Single needle) or Investigational group (Multiple Needle). There will be an expert cytopathologist in the exploration room (blinded to the group assignment). Samples obtained through FNA will be prepared onsite either for cytological evaluation by the cytopathologist: each fine needle sample will be expressed by using a 10mL air-filled syringe onto a separate glass slide, and a direct smear will be made by an on-site cytopathologist. Each slide will be air-dried and/or alcohol fixed (95% ethanol), and direct smears will be prepared for immediate interpretation by staining with Diff-quick staining system.

Patients assigned to simple needle group (SN) will be sampled for a total of 6 consecutive FNA passes with a single EUS-FNA needle (only replaced if the needle has a reduced performance). After completing the 6th pass the endoscopist will be informed by the onsite cytopathologist about the preliminary cytological diagnosis.

Patients assigned to multiple needle group (MN) will be sampled for a total of 6 consecutive FNA passes, replacing the needle after every 2 passes. After completing the 6th pass the endoscopist will be informed by the onsite cytopathologist about the preliminary cytological diagnosis.

A cytopathologist (#1) will be present during each EUS-FNA procedure to prepare the slides and determine whether each specimen was adequately cellular. After the procedure, all the cytological samples will be sent to the Pathology department in order to complete the study. A cytopathologist (#2) not present during the procedure will study all the sampling specimens obtained during the EUS-FNA procedure and produce the final and definitive cytopathological diagnosis.

Criteria for pancreatic cancer and benign pancreatic lesions will be defined. Follow-up of all patients to assess early and late complications will be carried out for 30 days after the procedure.

Endpoints:

1. Primary endpoint: Evaluate if the early change of needle during EUS-FNA for suspected pancreatic cancer can reduce the number of passes needed to obtain a preliminary cytological diagnosis of neoplasia. We hypothesized that the number of passes needed using the multiple needles will be significantly less than that using the single needle.
2. Secondary endpoints:

   * Rate of complications related with EUS-FNA
   * Influence of different factors in obtaining a positive cytological result (histological differentiation)

Eligibility criteria: Inclusion Criteria:

* Suspicion of pancreatic mass due to previous exam/s (CT, MR, ERCP, US, ...) that requires EUS-FNA in order to complete diagnosis
* Age ≥ 18 y/o
* Formal informed consent
* No previous chemotherapy or radiotherapy
* No previous pancreatic surgery

Exclusion Criteria:

* Any patient unable to understand the procedure, nature of the current study, or sign a consent form.

Primary outcomes:
measure: Evaluate if the early change of needle during EUS-FNA for suspected pancreatic cancer can reduce the number of passes needed to obtain a preliminary cytological diagnosis of neoplasia.
timeFrame: October 2007- September 2008
Secondary outcomes:
measure: Rate of complications related with EUS-FNA
timeFrame: October 2007- September 2008
measure: Influence of different factors in obtaining a positive cytological result
timeFrame: October 2007- September 2008
Other outcomes:
Locations:
city: Chicago
country: United States
facility: University of Chicago Medical Center
state: Illinois
Study officials:
affiliation: Department of Medicine, University of Chicago Medical Center
name: Irving Waxman, MD
role: PRINCIPAL_INVESTIGATOR
References:
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