NCT01942941

Brief Summary

A study to see what effect the geko™ device has on blood flow in patients with lower limb vascular disease.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jun 2013

Geographic Reach
1 country

1 active site

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

June 1, 2013

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

September 4, 2013

Completed
12 days until next milestone

First Posted

Study publicly available on registry

September 16, 2013

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2014

Completed
Last Updated

July 24, 2019

Status Verified

July 1, 2019

Enrollment Period

11 months

First QC Date

September 4, 2013

Last Update Submit

July 22, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Effect of geko™ on blood volume flow through the femoral artery

    Measured with ultrasound doppler

    Study day i.e. 1 day

Secondary Outcomes (6)

  • Effect of geko™ on venous blow flow

    Study day i.e. 1 day

  • Effect of geko™ on microcirculatory flow

    Study day i.e. 1 day

  • Establish whether effects of geko™ are local or systemic

    Study day i.e. 1 day

  • Effect of geko™ on patients symptoms

    study day i.e. 1 day

  • Acceptability and tolerability of geko™ device

    study day i.e. 1 day

  • +1 more secondary outcomes

Study Arms (1)

geko™ electrical stimulation

EXPERIMENTAL

Applied to stimulate peroneal nerve unilaterally

Device: geko™ electrical stimulation

Interventions

applied to stimulate peroneal nerve and cause active muscle twitch

geko™ electrical stimulation

Eligibility Criteria

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

You may qualify if:

  • Age \>18 years
  • Absence of haematological disorders or DVT (deep vein thrombosis) in the preceding 12 months
  • Intact cutaneous sensations to nocioception 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 in the preceding 12 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 (transcutaneous electrical nerve stimulation) 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

Chronic Limb-Threatening IschemiaIntermittent ClaudicationUlcerVaricose Veins

Condition Hierarchy (Ancestors)

Peripheral Arterial DiseaseAtherosclerosisArteriosclerosisArterial Occlusive DiseasesVascular DiseasesCardiovascular DiseasesPeripheral Vascular DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsIschemiaSigns and Symptoms

Study Officials

  • Rachel Barnes, MRCS, MA

    Academic Department of Vascular Surgery, Hull Royal Infirmary/ Hull York Medical School

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 4, 2013

First Posted

September 16, 2013

Study Start

June 1, 2013

Primary Completion

May 1, 2014

Study Completion

May 1, 2014

Last Updated

July 24, 2019

Record last verified: 2019-07

Locations