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Forceps vs. Snare IVC Filter Removal

Prospective Comparison of Rigid Forceps Versus Endovascular Snare for Routine IVC Filter Retrieval

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Non-pregnant females
* Adult patients (age 18 years and older)
* Referred to Interventional Radiology for IVC filter removal
* IVC filter implanted less than 6 months with the procedure being performed at UCMC by current IR staff.
* Cook Celect filter or Argon Medical Option Elite

Exclusion Criteria:

* Patients with outside hospital filter placement
* Filters other than Cook Celect or Argon Medical Option Elite
* Implantation period \>6 months
* Evidence of coagulopathy (INR \<1.8, platelet count \>50k)
* Clotting disorder
* Central venous occlusion
* Prior filter placement/removal.

About the study

IVC filters are mechanical filters placed in a patient's body to trap blood clots in the legs migrating to the lungs. When no longer indicated, interventional radiologists are consulted for IVC filter removal. Currently, many methods for extracting IVC filters exist. Two of the most common methods involve using an endovascular snare device or rigid forceps. We intend to prospectively compare these two methods in an attempt to see if one offers an advantage to the other. This will be compared by evaluating success rates and procedure time.

What is being tested

• IVC filter removal (device)

Sponsor: University of Chicago · Participants: 100 · Started: Dec 26, 2018

Contact the study team

• Osmanuddin Ahmed, MD · Phone: 773-795-7226
• Pamela Lofton, RN, MSN · Phone: 773-702-2537

Official record on ClinicalTrials.gov — NCT04092192

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.