CClinicalTrials.gg
CompletedNCT04304105Updated Nov 20, 2024

Natural Progression of High-Risk Chronic Limb-Threatening Ischemia: The CLariTI Study

An observational study in Critical Limb Ischemia and Peripheral Artery Disease, sponsored by LimFlow, Inc.. Completed at 25 sites in 2 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-11-20.

Sponsored by LimFlow, Inc. · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
192
Ages
18 Years and older
Sex
All
01

Study summary

The objective of this observational registry is to track the clinical progression of chronic limb-threatening ischemia (CLTI) and incidence of death, amputation, and revascularization attempts over a one-year period.

Read the detailed description

The objective of this observational registry is to track the clinical progression of chronic limb-threatening ischemia (CLTI) and incidence of death, amputation, and revascularization attempts over a one-year period.

The study population is comprised of Rutherford 5 and 6 CLTI subjects who have hemodynamic evidence of severely diminished arterial inflow of a peripheral limb and:

  1. 2 revascularizations in the last 6 months that failed to resolve symptoms, OR
  2. have inadequate popliteal, tibial, or pedal revascularization target
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Conditions studied

  • Critical Limb Ischemia
  • Peripheral Artery Disease

Keywords

  • CLI
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In context

Peripheral Arterial Disease

1,542 studies on the registry are indexed under Peripheral Arterial Disease; 282 are open to participants now.

This study's enrollment of 192 is close to the median of 190 across 410 observational studies indexed under Peripheral Arterial Disease.

Browse Peripheral Arterial Disease studies →

Lead sponsor

LimFlow, Inc. is the lead sponsor of 4 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Sampling method
Non-probability sample

Study population

The study population is comprised of Rutherford 5 and 6 CLTI subjects who have hemodynamic evidence of severely diminished arterial inflow of a peripheral limb and:

  1. 2 revascularizations in the last 6 months that failed to resolve symptoms, OR
  2. have inadequate popliteal, tibial, or pedal revascularization target

Inclusion criteria

  1. Subject must be ≥18 years of age
  2. Subject is Rutherford 5 or 6 classification with hemodynamic evidence of severely diminished arterial inflow of a peripheral limb and: a) 2 revascularizations in the last 6 months that failed to resolve symptoms, OR b) An inadequate popliteal, tibial, or pedal revascularization target
  3. Subject is willing and able to sign the informed consent form and willing to participate in the phone follow-ups.

Exclusion criteria

Exclusion Criteria:

  1. Any significant concurrent psychological or social condition (e.g., no support person/network), which may significantly interfere with the subject's optimal participation in the study, in the opinion of the investigator.
  2. Subject is participating in the PROMISE II Clinical Trial.
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
192 participants (actual)
Target follow-up
1 Year
Patient registry
Yes
06

What researchers measure

Primary outcomes

  1. Amputation Free Survival (AFS)

    Defined as freedom from major (above ankle) amputation and death

    Time frame: 12 months

Secondary outcomes

  1. Minor Amputation

    Number of patients with below-ankle amputation of the index limb

    Time frame: 12 months

  2. Change in Rutherford Classification

    Defined as a change of one class or greater, as evaluated at 6 and 12 months

    Time frame: 6 months and 12 months

07

Study locations

25 sites
  • LA Foot & Ankle Clinic - St. Vincent's Hospital
    Los Angeles, California 90057, United States
  • Harbor- UCLA Medical Center
    Torrance, California 90501, United States
  • Denver Veterans Affairs Medical Center
    Denver, Colorado 80205, United States
  • The Cardiac and Vascular Institute
    Gainesville, Florida 32605, United States
  • Unity Point Health
    Des Moines, Iowa 50266, United States
  • Ochsner Medical Center
    Kenner, Louisiana 70065, United States
  • MedStar D.C.
    Hyattsville, Maryland 20782, United States
  • Massachusetts General Hospital
    Boston, Massachusetts 02114, United States
  • Boston Medical Center
    Boston, Massachusetts 02118, United States
  • Ascension St. John Detroit
    Detroit, Michigan 48236, United States
  • St. Lukes Mid America
    Kansas City, Missouri 64111, United States
  • Dartmouth-Hitchcock Medical Center
    Lebanon, New Hampshire 03766, United States
  • APCNC (Wake Med)
    Cary, North Carolina 27518, United States
  • East Carolina University (ECU, Vidant Medical)
    Greenville, North Carolina 27834, United States
  • Coastal Carolina Surgical
    Wilmington, North Carolina 28401, United States
  • University Hospitals Cleveland Medical Center
    Cleveland, Ohio 44106, United States
  • Anderson Heart and Vascular
    Anderson, South Carolina 29621, United States
  • Coastal Vascular and Vein Center
    Charleston, South Carolina 29407, United States
  • Prisma Health
    Greenville, South Carolina 29615, United States
  • Seton Heart Institute
    Austin, Texas 78705, United States
  • Austin Radiological Association
    Austin, Texas 78727, United States
  • Baylor College of Medicine
    Houston, Texas 77030, United States
  • UT-San Antonio
    San Antonio, Texas 78229, United States
  • VCU, Virginia Commonwealth University Health System
    Richmond, Virginia 23298, United States
  • San Lucas Hospital
    Ponce, 00716, Puerto Rico
08

References and documents

Publications

  • Powell RJ, Mullin CM, Clair DG, Shishehbor MH, Dua A. Comparison of Transcatheter Arterialization of Deep Veins to Standard of Care in Patients with No-Option Chronic Limb Threatening Ischemia. Ann Vasc Surg. 2024 Feb;99:50-57. doi: 10.1016/j.avsg.2023.08.010. Epub 2023 Oct 18. PubMed 37858666 ↗

Individual participant data

Plan to share: Undecided

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 20, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04304105
Lead sponsor
LimFlow, Inc.
Responsible party
Sponsor
First posted
Mar 11, 2020
Start date
Feb 24, 2020
Primary completion
Sep 12, 2022
Completion
Sep 12, 2022
Last update
Nov 20, 2024

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2024. You cannot join it, but the record below documents what was studied.

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Discussion

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