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Trial History Detail on 2011-02-08

CUHK_CCT00047

2005-09-09

Retrospective

Nil

Nil

n/a

n/a

Prof. Clement CY Tham

Dept. of Ophthalmology & Visual Sciences, Hong Kong Eye Hospital

2762 3196

clemtham@hkstar.com

The Chinese University of Hong Kong

Prof. Clement CY Tham

Dept. of Ophthalmology & Visual Sciences, Hong Kong Eye Hospital

2762 3196

clemtham@hkstar.com

The Chinese University of Hong Kong

A randomised controlled trial to compare the clinical outcomes of needle revision of trabeculectomy bleb vs repeat trabeculectomy in managing failed trabeculectomy.

A randomised controlled trial to compare the clinical outcomes of needle revision of trabeculectomy bleb vs repeat trabeculectomy in managing failed trabeculectomy.

Nil

Hong Kong

Yes

2005-03-24

Eye Diseases

Procedure

needle revision of trabeculectomy bleb

30 minutes

repeat trabeculectomy

Inclusion criteria 1. Eye with failed bleb after one single trabeculectomy or after one single trabeculectomy with phacoemulsification. 2. Patients with follow up at least 3 months after the index surgery 3. Definition of failed trabeculectomy : a. IOP>22mmHg on maximum tolerable anti-glaucoma drugs b. Fibrotic or scarred bleb with IOP higher than the target pressure for the patient 4. Patients able and willing to give informed consent.

Exclusion criteria 1. Single functional eye 2. Patients with previous glaucoma operations, including more than one trabeculectomy, needling, glaucoma drainage device or cyclophotocoagulation procedures. 3. Patients refusing needling or trabeculectomy 4. Patients unable to attend regular follow-up.

n / a

n / a

Both Male and Female

Interventional

Randomized

Active

Open label

Parallel

2005-03-24

60

Complete

a. IOP reduction in intraocular pressure by 2 criteria (<22mmHg or >30% reduction) b. number of IOP-lowering medications

a. complications of treatment b. progression of disc changes and/or visual field loss c. need of subsequent surgical intervention

No

2009-11-24

ChiCTR-TRC-09000647

2010-05-04


Yes

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