NCT01675193

Brief Summary

The purpose of this study is to determine the optimal screening intervals and cost-effectiveness of population-based vision screening in preverbal children in the Netherlands.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
10,803

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Feb 2012

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

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

February 1, 2012

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

August 27, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 29, 2012

Completed
4.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2017

Completed
Last Updated

August 22, 2017

Status Verified

August 1, 2017

Enrollment Period

5.2 years

First QC Date

August 27, 2012

Last Update Submit

August 18, 2017

Conditions

Keywords

AmblyopiaVision-Screening

Outcome Measures

Primary Outcomes (1)

  • The number of cases of amblyopia detected, weighted for visual acuity, against age at detection.

    The number of cases of amblyopia detected, weighted for visual acuity, against age at detection.

    2011-2016

Secondary Outcomes (1)

  • Cost-effectiveness analysis of vision screening in the two regions under both scenarios, with and without screening at age 6-9 and 14-24 months.

    2011-2016

Study Arms (2)

Current screening protocol

NO INTERVENTION

Eye screening at age 1-2, 3-4, 6-9, 14-24, 36, 45 and 54-60 months

Disinvestment protocol

OTHER

No eye screening at 6-9 and 14-24 months

Behavioral: Disinvestment protocol

Interventions

Omission of population-based child vision screening visits at 6-9 and 14-24 months: Children in the intervention group will not be eye screened at age 6-24 months

Disinvestment protocol

Eligibility Criteria

Age6 Months - 14 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • All children visiting the selected screening offices and becoming 6 months of age(in a 6 months period from the start of recruiting).

You may not qualify if:

  • previous eye surgery
  • previous eye disorder

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

GGD Jeugdzorg Amsterdam

Amsterdam, Netherlands

Location

Icare Jeugdgezondheidszorg

Meppel, Netherlands

Location

Related Publications (1)

  • Sloot F, Sami A, Karaman H, Benjamins J, Loudon SE, Raat H, Sjoerdsma T, Simonsz HJ. Effect of omission of population-based eye screening at age 6-9 months in the Netherlands. Acta Ophthalmol. 2015 Jun;93(4):318-21. doi: 10.1111/aos.12556. Epub 2014 Oct 1.

MeSH Terms

Conditions

Amblyopia

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System DiseasesVision DisordersSensation DisordersNeurologic ManifestationsEye DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Huibert J Simonsz, MD, PhD

    ErasmusMC, Department of Ophthalmology

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
SCREENING
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof. H.J. Simonsz, MD, PhD

Study Record Dates

First Submitted

August 27, 2012

First Posted

August 29, 2012

Study Start

February 1, 2012

Primary Completion

May 1, 2017

Study Completion

May 1, 2017

Last Updated

August 22, 2017

Record last verified: 2017-08

Locations