NCT01938924

Brief Summary

A study to investigate if the gekoTM device improves flow through vascular bypass grafts

Trial Health

30
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Sep 2013

Geographic Reach
1 country

1 active site

Status
withdrawn

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

September 1, 2013

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

September 5, 2013

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 10, 2013

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
Last Updated

July 15, 2019

Status Verified

July 1, 2019

Enrollment Period

1.2 years

First QC Date

September 5, 2013

Last Update Submit

July 11, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in arterial blood volume flow in the bypass graft measured by ultrasound.

    Measured by ultrasound duplex

    1 day

Secondary Outcomes (7)

  • To assess effect on blood flow in the superficial femoral vein

    1 day

  • To assess effect on microcirculation

    1 day

  • To assess effect on pulse wave velocity, cardiac output and stroke volume

    1 day

  • To assess effect on levels of VEGF, PAI-1 and tPA antigen.

    1 day

  • To assess the impact of gekoTM device on pain score utilising the McGill Pain score

    1 day

  • +2 more secondary outcomes

Study Arms (2)

No intervention

NO INTERVENTION

No intervention

GekoTM

ACTIVE COMPARATOR

geko applied to bypass limb

Device: GekoTM

Interventions

GekoTMDEVICE

electrical neuromuscular stimulation

GekoTM

Eligibility Criteria

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

You may qualify if:

  • Age ≥18 years,
  • Undergoing infra-inguinal vein bypass graft.
  • Intact cutaneous sensations to nociception in the lower limb, as determined by the investigator.
  • Intact healthy skin at site of application.
  • On effective contraception if sexually active - oral contraceptive pill (\> 3 months use), condoms, intrauterine contraceptive device, depot injection.
  • Able to understand the Patient Information Sheet and capable and willing to give informed consent and follow the protocol requirements

You may not qualify if:

  • History of haematological disorder or DVT within the preceding 6 months,
  • Pregnant or planning to become pregnant during study duration,
  • Pacemakers or implantable defibrillators,
  • Use of any other neuro-modulation device,
  • Current use of TENS in pelvic region, back or legs,
  • Use of investigational drug/device therapy within past 4 weeks that may interfere with this study,
  • Significant varicose veins or lower limb ulceration.
  • Recent surgery (such as abdominal, gynaecological, hip knee replacement).
  • Recent trauma to lower limbs.
  • Chronic Obesity (BMI Index \>34).
  • Any medication judged to be significant by the Principal Investigator.
  • Any significant illness during the four (4) weeks preceding the screening period of the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hull Royal Infirmary

Hull, EastRiding of Yorkshire, HU3 2JZ, United Kingdom

Location

MeSH Terms

Conditions

Peripheral Arterial Occlusive Disease 1

Study Officials

  • Rachel Barnes, MRCS, MA

    Hull Royal Infirmary

    STUDY CHAIR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 5, 2013

First Posted

September 10, 2013

Study Start

September 1, 2013

Primary Completion

December 1, 2014

Study Completion

December 1, 2014

Last Updated

July 15, 2019

Record last verified: 2019-07

Locations