NCT03012750

Brief Summary

Microcirculation should be assessed before and after tibial bypass surgery by intraoperative fluorescence angiography. According to this, the direct and the indirect angiosomes should be compared according to the individual microcirculatory improvement.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Feb 2015

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2015

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2016

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2016

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

January 3, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

January 6, 2017

Completed
Last Updated

January 6, 2017

Status Verified

January 1, 2017

Enrollment Period

1.5 years

First QC Date

January 3, 2017

Last Update Submit

January 4, 2017

Conditions

Outcome Measures

Primary Outcomes (2)

  • Comparison of the direct and indirect revascularized angiosomes of the foot on the Level of microcirculation (Parameter Ingress)

    Comparison of the fluorescence parameter Ingress in the direct and indirect revascularized angiosome before and after tibial bypass surgery

    12 months

  • Comparison of the direct and indirect revascularized angiosomes of the foot on the Level of microcirculation (Parameter Ingressrate)

    Comparison of the fluorescence parameter Ingressrate in the direct and indirect revascularized angiosome before and after tibial bypass surgery

    12 months

Secondary Outcomes (1)

  • Correlation of the wound healing rates with indirect and direct revascularization

    12 months

Study Arms (1)

foot perfusion

EXPERIMENTAL

intravenous application of indocyanine green in patients receiving tibial Bypass surgery

Drug: Indocyanine Green

Interventions

Perioperative application of 0.1 mg ICG per kg Body weight

foot perfusion

Eligibility Criteria

Age18 Years - 99 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients at CLI Rutherford stages IV to VI
  • Patients with necessity of tibial Bypass surgery

You may not qualify if:

  • Allergy against indocyanine green
  • Iodine allergy
  • Contrast allergy
  • Penicillin allergy
  • Allergic diathesis
  • Liver insufficiency
  • Pregnancy
  • Hyperthyreosis
  • Pulmonary arterial hypertension

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Rother U, Lang W, Horch RE, Ludolph I, Meyer A, Gefeller O, Regus S. Pilot Assessment of the Angiosome Concept by Intra-operative Fluorescence Angiography After Tibial Bypass Surgery. Eur J Vasc Endovasc Surg. 2018 Feb;55(2):215-221. doi: 10.1016/j.ejvs.2017.11.024. Epub 2018 Jan 3.

MeSH Terms

Conditions

Peripheral Arterial Disease

Interventions

Indocyanine Green

Condition Hierarchy (Ancestors)

AtherosclerosisArteriosclerosisArterial Occlusive DiseasesVascular DiseasesCardiovascular DiseasesPeripheral Vascular Diseases

Intervention Hierarchy (Ancestors)

IndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr. med. Ulrich Rother, Principal Investigator

Study Record Dates

First Submitted

January 3, 2017

First Posted

January 6, 2017

Study Start

February 1, 2015

Primary Completion

August 1, 2016

Study Completion

October 1, 2016

Last Updated

January 6, 2017

Record last verified: 2017-01