Peripheral laserphotocoagulation in patients with bilateral drusen

ISRCTN ISRCTN96759546
DOI https://doi.org/10.1186/ISRCTN96759546
Secondary identifying numbers OZR-2002-15; NTR192
Submission date
20/12/2005
Registration date
20/12/2005
Last edited
05/11/2008
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Eye Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English Summary

Not provided at time of registration

Contact information

Dr J C van Meurs
Scientific

Oogziekenhuis Rotterdam
Schiedamsevest 180
Rotterdam
3011 BH
Netherlands

Phone +31 (0)10 401 7777
Email vanMeurs@oogziekenhuis.nl

Study information

Study designMulticentre, randomised, active controlled, parallel group trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Other
Study typeTreatment
Scientific title
Study hypothesisPeripheral laserphotocoagulation reduces drusen area in patients with bilateral drusen.
Ethics approval(s)Received from the local medical ethics committee
ConditionBilateral drusen
InterventionLaser photocoagulation peripheral retina.
Intervention typeOther
Primary outcome measure1. Total drusen area
2. Vision (ETDRS)
Secondary outcome measuresNo secondary outcome measures
Overall study start date01/01/2003
Overall study end date01/04/2005

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants16
Participant inclusion criteria1. Greater than or equal to 10 drusen (greater than 63 µm) within a 3 mm radius from the fovea
2. Vision less than 0.5
3. No new or previous neovascularisation
4. No sub-retinal pigment epithelium (sub-RPE) serous fluid greater than 1 MPS disc area
5. No geographical atrophy within a radius of 500 µm of the fovea
6. If myopic: less than 8 diopters
7. No previous retinal laser treatment
8. No serious proliferative or non-proliferative diabetic retinopathy of diabetic macula oedema
9. No progressive eye disease
10. Aged greater than or equal to 50 years
11. Bilateral fundus photograph and fluorescein angiography (FAG) of the eye to be treated (less than 2 weeks before treatment)
12. Ability and willingness to participate in 2 year follow-up
Participant exclusion criteria1. Additional laser treatment during follow-up period
2. Vitreous or retina intervention during follow-up
3. Inspection of one of both eye is no longer possible
Recruitment start date01/01/2003
Recruitment end date01/04/2005

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Oogziekenhuis Rotterdam
Rotterdam
3011 BH
Netherlands

Sponsor information

Rotterdam Eye Hospital (Oogziekenhuis Rotterdam) (The Netherlands)
Hospital/treatment centre

Schiedamsevest 180
Rotterdam
3011 BH
Netherlands

Phone +31 (0)10 401 77 77
Email info@oogziekenhuis.nl
ROR logo "ROR" https://ror.org/02hjc7j46

Funders

Funder type

Research organisation

Foundation of Scientific Research at the Eye Hospital (Stichting Wetenschappelijk Onderzoek het Oogziekenhuis) (The Netherlands)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan