International Registry of Intra-arterial and Endosaccular Flow Diverters (IRF)
Key facts
- Where
- Buffalo, Burlington, Coral Gables, Danville, Jacksonville, Kingwood, Minneapolis, New Brunswick, Sarasota, The Bronx, and Traverse City, United StatesSee the 11 sites
Where in United States
- University at BuffaloBuffalo, United StatesContact: Muhammed Amir Essibayi, MDNo longer taking part
- Lahey Hospital and Medical CenterBurlington, United StatesContact: Timo Krings, MD, PhD, MScTaking people
- University of MiamiCoral Gables, United StatesContact: Robert M Starke, MD, MSTaking people
- Geisinger HealthDanville, United StatesContact: Muhammed Amir Essibayi, MDNo longer taking part
- Mayo Clinic FloridaJacksonville, United StatesContact: Muhammed Amir Essibayi, MDNo longer taking part
- HCA Houston Healthcare KingwoodKingwood, United StatesContact: Muhammed Amir Essibayi, MDNo longer taking part
- Allina HealthMinneapolis, United StatesContact: Collin M Torok, MDTaking people
- Robert Wood Johnson UniversityNew Brunswick, United StatesContact: Gaurav Gupta, MDTaking people
- Sarasota Memorial Research InstituteSarasota, United StatesContact: Muhammed Amir Essibayi, MDNo longer taking part
- Montefiore Medical Center Department of NeurosurgeryThe Bronx, United StatesContact: Muhammed Amir Essibayi, MDTaking people
- Munson Medical CenterTraverse City, United StatesContact: Amy Peterson, PhDTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Montefiore Medical Center
- Trial code
- NCT06174727
- Record updated
- 21 September 2026
- Original description
This multicenter retrospective cohort study aims to evaluate and compare the technical performance, safety, and clinical outcomes of intracranial aneurysms treated with flow diverter stents and endosaccular flow disruptors.Read full original descriptionShow less
Outcomes of Intra-arterial and Endosaccular Flow Diverters for Treatment of Intracranial Aneurysms - International Registry of Intra-arterial and Endosaccular Flow Diverters (IRF)
This multicenter retrospective cohort study aims to evaluate and compare the technical performance, safety, and clinical outcomes of intracranial aneurysms treated with flow diverter stents and endosaccular flow disruptors.
Inclusion: Consecutive adult patients (18 years of age or older); Underwent endovascular treatment with one of the following devices:; Endoluminal Flow Diverter Stents: i. Pipeline Flex (Covidien, California, USA) ii. Pipeline Flex with Shield Technology (Covidien) iii. Surpass Streamline (Stryker Neurovascular, California, USA) iv. Surpass Evolve (Stryker) v. Silk flow diverter (Balt Extrusion, Montmorency, France) vi. Flow-Redirection Intraluminal Device (FRED; MicroVention) vii. Flow-Redirection Intraluminal Device X (FRED X; MicroVention) viii. p64 Flow Modulation Device (phenox GmbH) ix. Endovascular clip system (eCLIPs) (eCLIPsTM, eVasc Neurovascular, Vancouver, BC, Canada); Intrasaccular Flow Disruptors: i. Woven EndoBridge (WEB; MicroVention) ii. Luna/Artisse System (Medtronic) iii. Medina Embolic Device (Medtronic) iv. Contour Neurovascular System (Cerus Endovascular) v. Neqstent Coil Assisted Flow Diverter (Cerus Endovascular) vi. pCONus and pCANvas (phenox GmbH) vii. Nexus Aneurysm Embolization System (EndoStream Medical) viii. CITADEL™ Embolization Device (Balt, USA); Complete medical records and follow-up data available.
Exclusion: Aneurysms treated with investigational devices not listed within Inclusion Criteria; Incomplete procedural or follow-up records; Non-flow-diverter or non-flow-disruptor treatments (e.g., coiling-only cases).