NCT02406131

Brief Summary

The investigators will established relation between restenosis and inflammatory response to shearing stress caused by angioplasty suggest that any mechanism that affect inflammatory response can consequently affect the restenosis rate. There is accumulated evidence that remote ischemic precondition has modifying suppressive effect on inflammatory response and the investigators hypothesized that RIPC may lead to reduction in post angioplasty restenosis rate.

Trial Health

33
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Trial recruitment is currently suspended
Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Apr 2018

Geographic Reach
1 country

2 active sites

Status
suspended

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

First Submitted

Initial submission to the registry

March 19, 2015

Completed
14 days until next milestone

First Posted

Study publicly available on registry

April 2, 2015

Completed
3 years until next milestone

Study Start

First participant enrolled

April 1, 2018

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
Last Updated

September 26, 2017

Status Verified

September 1, 2017

Enrollment Period

1.7 years

First QC Date

March 19, 2015

Last Update Submit

September 22, 2017

Conditions

Keywords

Peripheral Vascular DiseasesIschemic PreconditioningInflammationAngioplastyRestenosisRCT

Outcome Measures

Primary Outcomes (2)

  • Restenosis

    using Duplex scan 30% stenosis increase in time of flow up. Increase of less than or 50 % stenosis to 70% or more. Loss of 50% of gain in luminal diameter.

    6 months post procedure

  • Changes in inflammatory and coagulation markers comparing the 2 groups

    CRP FBC D-Dimer Fibrinogen

    24 hours post procedure

Secondary Outcomes (5)

  • Limb Amputation

    6 months post procedure

  • Minor amputations

    6 months post procedure

  • Percentage changes in ABI

    6 months post procedure

  • Ulcer formation/ healing

    6 months post procedure

  • Progression of Rutherford classification

    6 months post procedure

Other Outcomes (1)

  • Related Data

    6 months post procedure

Study Arms (2)

Control Group:

NO INTERVENTION

This group will be getting all the routine work up including Duplex scan . we will add request for inflammatory and coagulation markers in their blood samples before and after intervention . The pre-op blood sample will be collected within the 24 hours before intervention and the post intervention in the 24 hrs after (second RIPC window). The repeated duplex scan will be schedule after 6 months.

RIPC Group

ACTIVE COMPARATOR

Remote Ischemic Preconditioning Group (RIPC):This group will have all the tests as for the control group with the additional component will be preconditioning. One hour prior to procedure candidates in this group will have structured intermittent periods of induced remote ischaemic preconditioning using standard blood pressure cuffs. The cuff will be inflated to 200 mmHg applied for 5 minutes alternating with 5 minutes rest to the total of 4 cycles, which needs 40 minutes.

Other: Remote Ischemic Preconditioning

Interventions

standard blood pressure cuffs applied to upper limb . The cuff will be inflated to 200 mmHg applied for 5 minutes alternating with 5 minutes rest to the total of 4 cycles

RIPC Group

Eligibility Criteria

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

You may qualify if:

  • \. Patients planned for lower limb Angioplasty

You may not qualify if:

  • Known upper limb PVD
  • Previous history of upper limb deep vein thrombosis
  • Patients on glibenclamide or nicorandil- May affect RIPC
  • Raynaud's Disease
  • Intra operative decision to use graft - will be documented

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

University Collage Hospital Galway

Galway, Co Galway, Ireland

Location

Limerick University Hospital

Limerick, Ireland

Location

Related Publications (32)

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    PMID: 21478125BACKGROUND
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    PMID: 17319099BACKGROUND
  • Kleinedler JJ, Foley JD, Orchard EA, Dugas TR. Novel nanocomposite stent coating releasing resveratrol and quercetin reduces neointimal hyperplasia and promotes re-endothelialization. J Control Release. 2012 Apr 10;159(1):27-33. doi: 10.1016/j.jconrel.2012.01.008. Epub 2012 Jan 17.

    PMID: 22269665BACKGROUND
  • Wahlgren CM, Sten-Linder M, Egberg N, Kalin B, Blohme L, Swedenborg J. The role of coagulation and inflammation after angioplasty in patients with peripheral arterial disease. Cardiovasc Intervent Radiol. 2006 Jul-Aug;29(4):530-5. doi: 10.1007/s00270-005-0159-0.

    PMID: 16729229BACKGROUND
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    PMID: 9409313BACKGROUND
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    PMID: 15302787BACKGROUND
  • Murry CE, Jennings RB, Reimer KA. Preconditioning with ischemia: a delay of lethal cell injury in ischemic myocardium. Circulation. 1986 Nov;74(5):1124-36. doi: 10.1161/01.cir.74.5.1124.

    PMID: 3769170BACKGROUND
  • Przyklenk K, Bauer B, Ovize M, Kloner RA, Whittaker P. Regional ischemic 'preconditioning' protects remote virgin myocardium from subsequent sustained coronary occlusion. Circulation. 1993 Mar;87(3):893-9. doi: 10.1161/01.cir.87.3.893.

    PMID: 7680290BACKGROUND
  • Jensen HA, Loukogeorgakis S, Yannopoulos F, Rimpilainen E, Petzold A, Tuominen H, Lepola P, Macallister RJ, Deanfield JE, Makela T, Alestalo K, Kiviluoma K, Anttila V, Tsang V, Juvonen T. Remote ischemic preconditioning protects the brain against injury after hypothermic circulatory arrest. Circulation. 2011 Feb 22;123(7):714-21. doi: 10.1161/CIRCULATIONAHA.110.986497. Epub 2011 Feb 7.

    PMID: 21300953BACKGROUND
  • Wang Y, Shen J, Xiong X, Xu Y, Zhang H, Huang C, Tian Y, Jiao C, Wang X, Li X. Remote ischemic preconditioning protects against liver ischemia-reperfusion injury via heme oxygenase-1-induced autophagy. PLoS One. 2014 Jun 10;9(6):e98834. doi: 10.1371/journal.pone.0098834. eCollection 2014.

    PMID: 24914543BACKGROUND
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    PMID: 18456674BACKGROUND
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    PMID: 19738981BACKGROUND
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    PMID: 24157164BACKGROUND
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    PMID: 24904237BACKGROUND
  • He X, Zhao M, Bi XY, Yu XJ, Zang WJ. Delayed preconditioning prevents ischemia/reperfusion-induced endothelial injury in rats: role of ROS and eNOS. Lab Invest. 2013 Feb;93(2):168-80. doi: 10.1038/labinvest.2012.160. Epub 2012 Nov 12.

    PMID: 23147223BACKGROUND
  • Roviezzo F, Cuzzocrea S, Di Lorenzo A, Brancaleone V, Mazzon E, Di Paola R, Bucci M, Cirino G. Protective role of PI3-kinase-Akt-eNOS signalling pathway in intestinal injury associated with splanchnic artery occlusion shock. Br J Pharmacol. 2007 Jun;151(3):377-83. doi: 10.1038/sj.bjp.0707233. Epub 2007 Apr 23.

    PMID: 17450173BACKGROUND
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    PMID: 16585403BACKGROUND
  • Shimizu M, Saxena P, Konstantinov IE, Cherepanov V, Cheung MM, Wearden P, Zhangdong H, Schmidt M, Downey GP, Redington AN. Remote ischemic preconditioning decreases adhesion and selectively modifies functional responses of human neutrophils. J Surg Res. 2010 Jan;158(1):155-61. doi: 10.1016/j.jss.2008.08.010.

    PMID: 19540519BACKGROUND
  • Kharbanda RK, Peters M, Walton B, Kattenhorn M, Mullen M, Klein N, Vallance P, Deanfield J, MacAllister R. Ischemic preconditioning prevents endothelial injury and systemic neutrophil activation during ischemia-reperfusion in humans in vivo. Circulation. 2001 Mar 27;103(12):1624-30. doi: 10.1161/01.cir.103.12.1624.

    PMID: 11273988BACKGROUND
  • Konstantinov IE, Arab S, Kharbanda RK, Li J, Cheung MM, Cherepanov V, Downey GP, Liu PP, Cukerman E, Coles JG, Redington AN. The remote ischemic preconditioning stimulus modifies inflammatory gene expression in humans. Physiol Genomics. 2004 Sep 16;19(1):143-50. doi: 10.1152/physiolgenomics.00046.2004. Epub 2004 Aug 10.

    PMID: 15304621BACKGROUND
  • Hausenloy DJ, Yellon DM. The second window of preconditioning (SWOP) where are we now? Cardiovasc Drugs Ther. 2010 Jun;24(3):235-54. doi: 10.1007/s10557-010-6237-9.

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  • Liang F, Liu S, Liu G, Liu H, Wang Q, Song B, Yao L. Remote ischaemic preconditioning versus no remote ischaemic preconditioning for vascular and endovascular surgical procedures. Cochrane Database Syst Rev. 2023 Jan 16;1(1):CD008472. doi: 10.1002/14651858.CD008472.pub3.

MeSH Terms

Conditions

Peripheral Vascular DiseasesInflammation

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Stewart Walsh, Professor

    NUIGalway - UCHG

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
CARE PROVIDER, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Mr

Study Record Dates

First Submitted

March 19, 2015

First Posted

April 2, 2015

Study Start

April 1, 2018

Primary Completion

December 1, 2019

Study Completion

December 1, 2019

Last Updated

September 26, 2017

Record last verified: 2017-09

Locations