NCT03521882

Brief Summary

Stroke is caused by sudden changes in blood flow in the brain. This can be fatal or can result in permanent disability. A fast diagnosis is essential to initiate effective interventions and optimize benefits to patients. There are other diseases that can look like a stroke and these are called "stroke mimics". The quicker that stroke mimics can be ruled out the faster a stroke can be diagnosed and treatment can be given. The investigators may be able to use chemicals in the blood to rapidly confirm that a person has had a stroke. One such chemical is called eotaxin. Eotaxin has been found to be changed in sufferers of a stroke but not in those with stroke mimics. However, more research is needed to confirm the usefulness of eotaxin. This feasibility study aims to provide the foundations to allow a large scale trial of this test. The study aims to recruit participants that have had a stroke or a stroke mimic from the Acute Stroke Unit and Stroke clinic at the Royal Devon and Exeter Hospital. Up to 6 blood samples will be taken from each participant at different times over one week. Eotaxin will be measured in these samples and in participant's leftover samples taken for clinical care. This is needed because the investigators know that the amount of eotaxin changes in the blood after a stroke but we do not know how quickly this change happens and for how long the change occurs. The study will also allow the investigators to understand how many participants will be needed for a large scale trial and the challenges that may be faced in recruiting participants.

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 all trials

Timeline
Completed

Started May 2017

Typical duration for all trials

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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 22, 2017

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

April 30, 2018

Completed
11 days until next milestone

First Posted

Study publicly available on registry

May 11, 2018

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 30, 2019

Completed
Last Updated

November 6, 2020

Status Verified

November 1, 2020

Enrollment Period

2 years

First QC Date

April 30, 2018

Last Update Submit

November 5, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Primary Outcome

    Plasma Eotaxin Concentration

    0 to 7 days

Study Arms (2)

Stroke Symptom Participants

Healthy Controls

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Individuals presenting to hospital with focal neurological symptoms suggestive of stroke aged over 18 years.

You may qualify if:

  • Presenting with focal neurological symptoms suggestive of stroke
  • Aged over 18 years

You may not qualify if:

  • Presenting later than 12 hours after symptom onset
  • Under 18 years of age
  • History of cardiovascular disease (Healthy Controls)
  • History of neurological disease (Healthy Controls)
  • History of stroke mimics (Healthy Controls)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Royal Devon & Exeter NHS Foundation Trust

Exeter, Devon, EX2 5DW, United Kingdom

Location

Biospecimen

Retention: SAMPLES WITHOUT DNA

Plasma

MeSH Terms

Conditions

Stroke

Condition Hierarchy (Ancestors)

Cerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Salim Elyas, PhD MRCP

    Royal Devon and Exeter NHS Foundation Trust

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 30, 2018

First Posted

May 11, 2018

Study Start

May 22, 2017

Primary Completion

May 30, 2019

Study Completion

May 30, 2019

Last Updated

November 6, 2020

Record last verified: 2020-11

Locations