A Study Conducted to Evaluate the Conjunctiva and Tenon's Capsule Status of Healthy Subjects and in Participants With Neovascular Age-related Macular Degeneration (nAMD)/Diabetic Macular Edema (DME)
A Multicenter, Cross-sectional Study to Describe the Conjunctiva and Tenon's Capsule Status of Healthy Subjects and nAMD/DME Patients Followed in Clinical Practice in Spain
1 other identifier
observational
736
1 country
20
Brief Summary
The purpose of this study is to obtain conjunctiva and tenon's capsule thickness measurements in vivo using spectral domain-optical coherence tomography (SD-OCT) in participants with nAMD/DME and age-matched healthy subjects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Dec 2024
Shorter than P25 for all trials
20 active sites
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
First Submitted
Initial submission to the registry
December 4, 2024
CompletedFirst Posted
Study publicly available on registry
December 9, 2024
CompletedStudy Start
First participant enrolled
December 31, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 28, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
November 28, 2025
CompletedFebruary 27, 2026
February 1, 2026
11 months
December 4, 2024
February 25, 2026
Conditions
Outcome Measures
Primary Outcomes (4)
Cohorts A and B: Conjunctival Thickness Measured Using SD-OCT
At study visit (Day 1)
Cohorts A and B: Tenon's Capsule Thickness Measured Using SD-OCT
At study visit (Day 1)
Cohorts A and B: Sum of Conjunctival and Tenon's Capsule Measured Using SD-OCT
At study visit (Day 1)
Cohorts A and B: Number of Participants in Age Groups 45-54, 55-64, 65-74, ≥75 Years
At study visit (Day 1)
Secondary Outcomes (1)
Cohort A: Previous Intravitreal (IVT) Injections (Yes/No)
At study visit (Day 1)
Study Arms (2)
Cohort A: nAMD/DME Participants
Participants with nAMD/DME will be enrolled in this cohort given, they meet the eligibility criteria. The SD-OCT test will be conducted for all participants in this cohort.
Cohort B: Healthy Subjects
Healthy subjects who meet the eligibility criteria will be enrolled in this cohort. The SD-OCT test will be conducted for all subjects in this cohort.
Eligibility Criteria
Participants with nAMD or DME and age-matched healthy subjects from the general population.
You may qualify if:
- For nAMD/DME participants:
- \- Diagnosis of nAMD/DME
- For healthy subjects:
- \- Normal visual function
You may not qualify if:
- Current or past treatment for glaucoma (only for healthy subjects)
- Dry eye disease except those treated only with artificial tears
- Ocular hypertension treated with hypotensive drugs
- Pterygium
- Strabismus
- Previous ocular surgery except cataract surgery
- Cataract surgery with scleral incision
- Current contact lens wearers
- Myopia with more than 6 diopters
- Corneal transplant
- History of ocular surface inflammation
- Active or recent conjunctivitis infection
- Pregnancy
- Participant who has already received an IVT injection in the superotemporal quadrant (only for nAMD/DME participants)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (20)
Hospital Universitario de Bellvitge
L'Hospitalet de Llobregat, Barcelona, 08907, Spain
Hospital General de Catalunya
San Cugat Del Valles, Barcelona, 08195, Spain
Hospital Universitario Puerta de Hierro
Majadahonda, Madrid, 28222, Spain
Clinica Universitaria de Navarra
Pamplona, Navarre, 31008, Spain
Instituto Oftalmologico Fernandez Vega
Oviedo, Principality of Asturias, 33012, Spain
Oftalvist Valencia
Burjassot, Valencia, 46100, Spain
Centro de Oftalmologia Barraquer
Barcelona, 08021, Spain
Institut de la Macula i la retina
Barcelona, 08022, Spain
Hospital Universitario Vall d Hebron
Barcelona, 08035, Spain
Hospital Clínic i Provincial de Barcelona
Barcelona, 08036, Spain
Hospital de la Arruzafa. Servicio de Oftalmologia
Córdoba, 14012, Spain
Hospital Clinico San Carlos
Madrid, 28040, Spain
Hospital Universitario Fundacion Jimenez Diaz.
Madrid, 28040, Spain
Clinica Baviera
Madrid, 28046, Spain
Hospital Universitario La Paz
Madrid, 28046, Spain
Hospital Universitario Virgen de la Macarena
Seville, 41007, Spain
Hospital Virgen del Rocio
Seville, 41013, Spain
Clinica Oftalmologica Aiken
Valencia, 46004, Spain
Hospital Arnau de Vilanova (Valencia)
Valencia, 46015, Spain
Hospital Universitario Rio Hortega
Valladolid, 47012, Spain
Study Officials
- STUDY DIRECTOR
Clinical Trials
Hoffmann-La Roche
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 4, 2024
First Posted
December 9, 2024
Study Start
December 31, 2024
Primary Completion
November 28, 2025
Study Completion
November 28, 2025
Last Updated
February 27, 2026
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will not share