NCT03812952

Brief Summary

This study is the first multi-center cross-sectional study on the diagnosis and misdiagnosis of allergic conjunctivitis in the ophthalmology clinic in China. It provides a clinical basis for the standardized diagnosis and treatment of allergic eye diseases.

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
3,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Aug 2018

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

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2018

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

November 8, 2018

Completed
3 months until next milestone

First Posted

Study publicly available on registry

January 23, 2019

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2019

Completed
Last Updated

January 23, 2019

Status Verified

January 1, 2019

Enrollment Period

1.4 years

First QC Date

November 8, 2018

Last Update Submit

January 20, 2019

Conditions

Allergic Conjunctivitis

Keywords

misdiagnosemistreatmentantibiotics

Outcome Measures

Primary Outcomes (1)

  • Specific diagnosis of the patients

    the investigators record the patients' specific diagnosis (such as seasonal allergic conjunctivitis, perennial allergic conjunctivitis, vernal keratoconjunctivitis，and etc) on questionnaire when the patient come

    Until the study completion, up to 1 year

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients whose clinical diagnosis is allergic conjunctivitis.

You may qualify if:

  • Patients whose clinical diagnosis is allergic conjunctivitis.

You may not qualify if:

  • The investigator believes that there are any unsuitable reasons for participating in the trial.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhongshan Ophthalmic Center of Sun yat-sen Universtiy

Guangzhou, Guangdong, 510000, China

Location

MeSH Terms

Conditions

Conjunctivitis, Allergic

Condition Hierarchy (Ancestors)

ConjunctivitisConjunctival DiseasesEye DiseasesHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Study Officials

  • Xiaofeng Lin

    Zhongshan Ophthalmic Center, Sun Yat-sen University

    STUDY CHAIR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
associate dean of Zhongshan Ophthalmic Center, Sun Yat-sen University

Study Record Dates

First Submitted

November 8, 2018

First Posted

January 23, 2019

Study Start

August 1, 2018

Primary Completion

December 31, 2019

Study Completion

December 31, 2019

Last Updated

January 23, 2019

Record last verified: 2019-01

Data Sharing

IPD Sharing
Will not share

Locations

CN(1)