NCT05519176

Brief Summary

Varicose veins of lower extremities can lead to adverse consequences such as ulceration and hemorrhage, which seriously endangering the physical and mental health and quality of life for patients. The aim of this study is to explore the potential risk factors of venous ulceration in patients with varicose veins of lower extremities based on a case-control study, and to provide a reference for personalized treatment.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
1,234

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2016

Longer than P75 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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2016

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2020

Completed
1.7 years until next milestone

First Submitted

Initial submission to the registry

August 26, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 29, 2022

Completed
Last Updated

April 26, 2024

Status Verified

April 1, 2024

Enrollment Period

5 years

First QC Date

August 26, 2022

Last Update Submit

April 24, 2024

Conditions

Keywords

Varicose VeinsVaricose UlcerLeg UlcerCase-Control Study

Outcome Measures

Primary Outcomes (1)

  • Odds ratios of risk factors for venous ulceration

    Age, gender, diastolic blood pressure, systolic blood pressure, routine blood indexes, coagulation indexes, duration of varicose veins of lower extremities, height, weight, smoking and drinking, comorbidity, family history of venous diseases, usage in anticoagulants and antihypertensives are all the possible risk factors of venous ulceration.

    2016-2020

Study Arms (2)

Cases

Varicose veins of lower extremities inpatients with venous ulceration from The First Affiliated Hospital of Shandong First Medical University \& Shandong Provincial Qianfoshan Hospital.

Controls

Varicose veins of lower extremities inpatients without venous ulceration from The First Affiliated Hospital of Shandong First Medical University \& Shandong Provincial Qianfoshan Hospital.

Eligibility Criteria

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

Cases and controls are inpatients with varicose veins of lower extremities in The First Affiliated Hospital of Shandong First Medical University \& Shandong Provincial Qianfoshan Hospital between January 1, 2016 and December 31, 2020.

You may qualify if:

  • Clinical diagnosis of varicose veins of the lower extremities
  • Hospitalized patients
  • years old or older

You may not qualify if:

  • Patients with any other conditions that could also lead to venous ulceration including peripheral artery disease, diabetes, and pressure ulcers
  • Patients with heart, liver and kidney failure
  • Patients with malignant tumor

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital

Jinan, Shandong, 250014, China

Location

MeSH Terms

Conditions

Varicose UlcerVaricose VeinsLeg Ulcer

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular DiseasesSkin UlcerSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Wang Yibing, Doctor

    The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

August 26, 2022

First Posted

August 29, 2022

Study Start

January 1, 2016

Primary Completion

December 31, 2020

Study Completion

December 31, 2020

Last Updated

April 26, 2024

Record last verified: 2024-04

Locations