A Study of Patients With Lower Extremity Acute Limb Ischemia to Remove Thrombus With the Indigo Aspiration System (STRIDE)
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ClinicalTrials.gov Identifier: NCT04144959 |
Recruitment Status :
Active, not recruiting
First Posted : October 30, 2019
Last Update Posted : December 21, 2022
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Condition or disease | Intervention/treatment |
---|---|
Lower Extremity Acute Limb Ischemia LE ALI | Device: Indigo Aspiration System |
Study Type : | Observational |
Actual Enrollment : | 118 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | STRIDE: A Study of Patients With Lower Extremity Acute Limb Ischemia to Remove Thrombus With the Indigo Aspiration System |
Actual Study Start Date : | December 17, 2019 |
Estimated Primary Completion Date : | December 2023 |
Estimated Study Completion Date : | December 2024 |

Group/Cohort | Intervention/treatment |
---|---|
Patients with lower extremity acute limb ischemia |
Device: Indigo Aspiration System
Indigo Aspiration System |
- Target limb salvage rate [ Time Frame: 1-Month Post Procedure ]
- Technical Success [ Time Frame: Immediate Post Procedure ]
Defined as TIMI 2/3 flow rate
TIMI flow grading range 1-3, with higher grading representing better outcome
- Modified SVS runoff score [ Time Frame: Immediate Post Procedure ]
Immediate Post Procedure as compared to Baseline
Modified SVS runoff score ranges from 0-19, with a higher score indicating more severe disease
- Improvement of Rutherford classification [ Time Frame: Up until study completion, at approximately 12-Months ]
Improvement of one or more as compared to pre-procedure
Rutherford classification ranges from I-III, with a higher score representing worse outcomes
- Vessel Patency [ Time Frame: 1-Month Post-Procedure ]
- Target limb salvage rate [ Time Frame: 12-Months Post Procedure ]
- Rates of device related serious adverse events (SAEs) [ Time Frame: Up until study completion, at approximately 12-Months ]
- Major bleeding peri-procedure [ Time Frame: During procedure ]
- Mortality [ Time Frame: 12-Months ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Patient age ≥ 18
- Patient presents with acute (≤14 days) occlusion of lower limb artery(ies) (below inguinal ligament)
- Patient with a Rutherford Category IIa or IIb score
- Frontline treatment with Indigo Aspiration System
- Informed consent is obtained from either patient or legally authorized representative (LAR)
Exclusion Criteria:
- Life expectancy <1 year
- Vessel size <2 mm
- LE ALI secondary to dissections, vasculitis, and/or target vessel trauma
- Amputation in the ipsilateral limb
- Pregnancy or positive pregnancy test according to site specific standards of care (only required for women of child bearing potential, serum or urine acceptable)
- Absolute contraindication to contrast administration
- Patient is unwilling or unable to comply with protocol follow up schedule and/or based on the Investigator's judgment the patient is not a good study candidate
- Currently participating in an investigational drug or device clinical trial that may confound the study endpoints. Patients in observational, natural history, and/or epidemiological studies not involving intervention are eligible.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04144959

Principal Investigator: | Thomas Maldonado, MD | NYU Langone Medical Center |
Responsible Party: | Penumbra Inc. |
ClinicalTrials.gov Identifier: | NCT04144959 |
Other Study ID Numbers: |
CLP 15549 |
First Posted: | October 30, 2019 Key Record Dates |
Last Update Posted: | December 21, 2022 |
Last Verified: | December 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | Yes |
Product Manufactured in and Exported from the U.S.: | No |
Ischemia Pathologic Processes |