NCT03696810

Brief Summary

Characterization of Retinal vascular disease in eyes with mild to moderate NPDR in Diabetes type 2, using novel non-invasive Imaging methods, in a longitudinal, prospective and interventional clinical Study with 2 years of duration (CORDIS).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
141

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Oct 2018

Longer than P75 for not_applicable

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

First Submitted

Initial submission to the registry

September 28, 2018

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 5, 2018

Completed
25 days until next milestone

Study Start

First participant enrolled

October 30, 2018

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2019

Completed
2.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 29, 2022

Completed
Last Updated

October 12, 2022

Status Verified

October 1, 2022

Enrollment Period

1.2 years

First QC Date

September 28, 2018

Last Update Submit

October 11, 2022

Conditions

Outcome Measures

Primary Outcomes (3)

  • Development of CIME or PDR

    Characterization of retinal microvascular changes occurring in eyes with mild to moderate NPDR

    24 months

  • Capillary closure in the superficial and deep retinal vascular layers

    Capillary closure in the superficial and deep retinal vascular layers by vessel density calculation, quantified by OCTA software (Angioplex, Zeiss);

    24 months

  • LOR ratios

    LOR ratios obtained with OCT-L analysis in the full retina and layer by layer.

    24 months

Secondary Outcomes (2)

  • Microaneurysms turnover

    24 months

  • Retinal Thickness

    24 months

Study Arms (1)

• Laboratory tests

OTHER

• Laboratory tests (HbA1C levels and lipids)

Diagnostic Test: Laboratory tests

Interventions

Laboratory testsDIAGNOSTIC_TEST

• Laboratory tests (HbA1C levels and lipids)

• Laboratory tests

Eligibility Criteria

Age35 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may not qualify if:

  • Cataract or other eye disease that may interfere with fundus examinations.
  • Glaucoma.
  • Any eye surgery within a period of 6-months before the screening visit date.
  • Other retinal vascular disease.
  • Previous laser or intravitreal injection treatment.
  • Dilatation of the pupil \< 5 mm.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

AIBILI- Association for Biomedical Research and Inovation on Light and Image.

Coimbra, 3000-548, Portugal

Location

Related Publications (1)

  • Marques IP, Ribeiro ML, Santos T, Reste-Ferreira D, Mendes L, Martinho AC, Santos AR, Figueira J, Lobo C, Cunha-Vaz J. Patterns of Progression of Nonproliferative Diabetic Retinopathy Using Non-Invasive Imaging. Transl Vis Sci Technol. 2024 May 1;13(5):22. doi: 10.1167/tvst.13.5.22.

MeSH Terms

Interventions

Clinical Laboratory Techniques

Intervention Hierarchy (Ancestors)

Diagnostic Techniques and ProceduresDiagnosisInvestigative Techniques

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 28, 2018

First Posted

October 5, 2018

Study Start

October 30, 2018

Primary Completion

December 31, 2019

Study Completion

June 29, 2022

Last Updated

October 12, 2022

Record last verified: 2022-10

Data Sharing

IPD Sharing
Will not share

Locations