NCT04995432

Brief Summary

We collected retrospectively the non contrast MRI in chia yi memorial hospital for different venous disease of lower extremity morphology and flow ananlysis were done.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2018

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

January 1, 2018

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2021

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

August 2, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

August 9, 2021

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2022

Completed
Last Updated

August 9, 2021

Status Verified

June 1, 2021

Enrollment Period

3 years

First QC Date

August 2, 2021

Last Update Submit

August 2, 2021

Conditions

Venous Insufficiency of LegVenous Leg UlcerVenous OcclusionContrast Media Reaction

Keywords

MRI, CVScontrastrefluxablation

Outcome Measures

Primary Outcomes (1)

  • image quality

    good or artifact

    1 year

Eligibility Criteria

Age18 Years - 100 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

retrospective, patients with leg venous disease

You may qualify if:

  • possible venous disease no contraindication for mri

You may not qualify if:

  • could not tolerate mri packemaker

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yao-Kuang Huang

Chiayi City, 61362, Taiwan

RECRUITING

MeSH Terms

Conditions

Varicose UlcerFamilial cyclic vomiting syndromeGastroesophageal Reflux

Condition Hierarchy (Ancestors)

Varicose VeinsVascular DiseasesCardiovascular DiseasesLeg UlcerSkin UlcerSkin DiseasesSkin and Connective Tissue DiseasesEsophageal Motility DisordersDeglutition DisordersEsophageal DiseasesGastrointestinal DiseasesDigestive System Diseases

Study Design

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

Study Record Dates

First Submitted

August 2, 2021

First Posted

August 9, 2021

Study Start

January 1, 2018

Primary Completion

January 1, 2021

Study Completion

January 1, 2022

Last Updated

August 9, 2021

Record last verified: 2021-06

Locations

TW(1)