Evaluation of PCLs Using Three EUS-FNA Needles

  • Study type:

    Interventional What is this?

    Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.

Study IDs

  • Site IRB:

    • Scottsdale/Phoenix, Arizona: 12-005829
    • Jacksonville, Florida: 12-005829
  • NCT ID:

  • Sponsor Protocol Number:


About this study

To document impact of EUS-FNA needle size and flexibility on effectiveness of pancreatic cystic lesions (PCL) aspiration, on ability to obtain sufficient material for standard diagnostic testing, and on diagnostic accuracy of EUS-FNA aspirate for differentiation of mucinous (pre-malignant) and non-mucinous cysts.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Pancreatic cystic lesion measuring 13mm or greater in largest diameter.
  • Indicated for EUS evaluation of the PCL including EUS-FNA.
  • Age 18 years of age or older.
  • Willing and able to comply with the study procedures and provide written informed consent form to participate in the study.

Exclusion Criteria:

  • Cysts in which FNA is not indicated based on review by the clinician, including potential concern of blood vessel location relative to the cyst.
  • Requirement for anticoagulation using clopidogril, warfarin, or other long acting antiplatelet agents (with the exception of aspirin) that cannot be safely stopped according to institutional guidelines.
  • Standard contraindications for EUS.
  • Known pancreatic pseudocyst.
  • Pregnancy.

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Michael Wallace, M.D.

Open for enrollment

Pompa Bhattacharjee



Jacksonville, Fla.

Mayo Clinic principal investigator

Michael Wallace, M.D.

Open for enrollment

Joy Hardee CCRP