NCT04973384

Brief Summary

A clinical characterization of a large cohort of patients with different severities of AD and ocular symptoms/atopic keratoconjunktivitis (AKC). The data will contribute to assess the frequency of complications in order to give a rationale for focused prevention and treatment strategy.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
120

participants targeted

Target at P50-P75 for all trials

Timeline
7mo left

Started Aug 2021

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
active not recruiting

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 Progress89%
Aug 2021Dec 2026

First Submitted

Initial submission to the registry

July 6, 2021

Completed
16 days until next milestone

First Posted

Study publicly available on registry

July 22, 2021

Completed
14 days until next milestone

Study Start

First participant enrolled

August 5, 2021

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 14, 2024

Completed
2.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Expected
Last Updated

November 15, 2024

Status Verified

November 1, 2024

Enrollment Period

2.5 years

First QC Date

July 6, 2021

Last Update Submit

November 13, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Bulbar redness (BR) score

    Difference in Bulbar redness (BR) score (Keratograph 5M, R-scan). Scale from 0-4. A higher score indicates more severe BR.

    1 day At examination

Secondary Outcomes (21)

  • Inferior Tear Meniscus Height (TMH)

    1 day Cross-sectional at examination (one time)

  • Non-invasive Keratograph Break-Up Time (NIKBUT)

    1 day Cross-sectional at examination (one time)

  • Meibo-Scan

    1 day Cross-sectional at examination (one time)

  • Ocular surface staining

    1 day Cross-sectional at examination (one time)

  • Osmolarity of the tears

    1 day Cross-sectional at examination (one time)

  • +16 more secondary outcomes

Eligibility Criteria

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

AD patients with current or previous ocular symptoms suspected to be atopic keratoconjunctivitis

You may qualify if:

  • Danish talking
  • Diagnosed with atopic dermatitis (AD)
  • Current or previous ocular symptoms suspected to be atopic keratoconjunctivitis

You may not qualify if:

  • No pause in eyedrops
  • Ocular infections within the last 3 months
  • Use of local or systemic antibiotics within the last 3 months
  • Significant untreated systemic disease such as hypertension, heart failure, diabetes mellitus, previous cerebral infarction or bleeding, lung diseases and autoimmune diseases other than atopic dermatitis and related comorbidities. The diseases are accepted if they are well treated or do not require treatment
  • Current pregnant or breastfeeding
  • Use of contact lenses, unless these are paused 2 weeks before the examination or they are due to keratoconus treatment
  • If the eye symptoms turn out not to be related to atopic keratoconjunctivitis
  • If it is assessed that the individual cannot participate sufficiently for the examination

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Ophthalmology, Rigshospitalet-Glostrup

Glostrup Municipality, 2600, Denmark

Location

Biospecimen

Retention: SAMPLES WITH DNA

Collection of tear samples, brush swabs and conjunctival imprints

Study Officials

  • Steffen Heegaard, MD, DMSci

    Department of Ophthalmology, Rigshospitalet-Glostrup

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD-student, Coordinating researcher,

Study Record Dates

First Submitted

July 6, 2021

First Posted

July 22, 2021

Study Start

August 5, 2021

Primary Completion

February 14, 2024

Study Completion (Estimated)

December 1, 2026

Last Updated

November 15, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

Locations