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U.S. Department of Health and Human Services

Post-Approval Studies (PAS) Database

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The FDA has the authority to require sponsors to perform a post-approval study (or studies) at the time of approval of a premarket approval (PMA), humanitarian device exemption (HDE), or product development protocol (PDP) application. Post-approval studies can provide patients, health care professionals, the device industry, the FDA and other stakeholders information on the continued safety and effectiveness (or continued probable benefit, in the case of an HDE) of approved medical devices. This database allows you to search Post-Approval Study information by applicant or device information.

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FRED X PAS


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General
Study Status Ongoing
Application Number /
Requirement Number
P180027 S002/ PAS001
Date Original Protocol Accepted 04/26/2022
Date Current Protocol Accepted 08/21/2024
Study Name FRED X PAS
Device Name Flow Re-Direction Endoluminal Device (FRED®) System
General Study Protocol Parameters
Study Design Prospective Cohort Study
Data Source New Data Collection
Comparison Group Objective Performance Criterion
Analysis Type Descriptive
Study Population Adult: >21
Detailed Study Protocol Parameters
Study Objectives Prospective, adaptive design, multi-center, single arm study.
The objective of this study is to generate contemporaneous clinical data to facilitate a reasonable comparison of the performance of the FRED™ X™ device with the performance of the FRED™ device. To achieve the objective, this study will evaluate the safety and effectiveness outcomes of FRED™ X™ device in a population of patients that aligns with the indications for use of the FRED™ device. The data generated from this study will be compared to the safety and effectiveness of the FRED™ device by meeting the same performance goals (PGs) established for the
FRED™ pivotal study.
Study Population Patients that aligns with the indications for use of the FRED™ device (See inclusion/exclusion criteria in protocol for detail)
Sample Size The proposed enrollment target is 154 subjects at a maximum of 30 sites in the United States.
Key Study Endpoints The primary safety endpoint is the proportion of subjects that experience either-
12 Death or major stroke within 30 days post-procedure.
13 Neurological death or major ipsilateral stroke within 12 months post-procedure.
o A major stroke is defined as a new neurological event that persists for >24 hours and results in a =4-point increase in the NIHSS score compared to baseline or compared to any subsequent lower score.
o A minor stroke is defined as a new neurological event that persists for >24 hours and results in an increase of
<4 points in the NIHSS score compared to baseline or compared to any subsequent lower score.
o A major ipsilateral stroke is defined as that occurring within the vascular distribution of the stented artery.
o Neurological death is defined as a death which has been adjudicated by the independent clinical events committee to have directly resulted from a neurologic cause.

Primary Effectiveness Endpoint:
1 The primary effectiveness endpoint is the percent of subjects
with successful aneurysm treatment as defined by complete occlusion (100%) of the target aneurysm and =50% stenosis of the parent artery at the target IA at 12 months and in whom an alternative treatment of the target IA had not been performed within 12 months post-FRED™ X™ Device placement.
An alternative treatment is defined as re-treatment of the target aneurysm with an alternative treatment modality including open repair, endovascular placement of an additional stent or treatment of in-stent stenosis observed at the 6-month or 12-month follow-up time points or at an unscheduled follow- up visit.
Follow-up Visits and Length of Follow-up at discharge, 30 days (±7 days), 6 months (±30 days), 12 months (+60 days/-30 days), 2 years (±60 days), 3 years (±60 days), and 5 years (±60 days).
Interim or Final Data Summary
Interim Results 29 adverse events
Actual Number of Patients Enrolled 29
Actual Number of Sites Enrolled 18
Final Effect Findings N/A


FRED X PAS Reporting Schedule

Reporting Schedule
Report
Date Due
FDA Receipt
Date
Applicant's Reporting Status
6 month report 03/17/2022 04/25/2022 Overdue/Received
1 year report 09/16/2022 09/19/2022 Overdue/Received
18 month report 03/17/2023 03/16/2023 On Time
2 year report 09/16/2023 09/18/2023 Overdue/Received
3 year report 09/15/2024 09/12/2024 On Time
4 year report 09/15/2025 09/15/2025 Overdue
5 year report 09/15/2026    


Contact Us

Mandated Studies Program
Food and Drug Administration
10903 New Hampshire Ave.
Silver Spring, MD 20993-0002
Email: MandatedStudiesPrograms@fda.hhs.gov

Additional Resources

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