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Corneal EdemaPhase 3NCT00800423

Effect of Topical Brimonidine on Post Cataract Surgery Corneal Edema

A Phase 3 study testing Brimonidine Tartrate 0.2% and Timolol maleate 0.5% in people with Corneal Edema and Visual Acuity, run by Rabin Medical Center at 1 site in Israel.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Most patients undergoing cataract surgery suffer from corneal edema after the surgery. Brimonidine drops are a well known and safe Anti-glaucoma medication. the investigators have made several clinical observations that patients receiving Brimonidine drops had a faster resolution of their corneal edema even if they… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Corneal Edema, Visual Acuity
What is being tested?
Brimonidine Tartrate 0.2% and Timolol maleate 0.5%
Could I receive a placebo?
No, everyone receives an active treatment
How many people
150 participants
Where
1 siteIsrael
Study dates
Jan 2009to Jan 2010
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 1 day after uneventful cataract surgery
  • corneal edema (grade 2 to 3)

Who cannot join

  • glaucoma
  • higher than normal intraocular pressure (>23 mm Hg)
  • known sensitivity or contra indication to brimonidine
  • known sensitivity or contra indication to timolol
  • pre operative corneal or anterior segment disease
  • intraoperative complications
Show all 9Show fewer
  • major ocular pathology other than corneal that reduced vision (retinal degeneration, optic neuropathy etc.)
  • pregnant women
  • children

Trial locations and contacts

1 site in 1 country.

Anat Robinson, MD contact

9729377176

robina@clalit.org.il

Omer Y Bialer, MD contact

9729377171

omerb@clalit.org.il

Israel1 site
  • Rabin medical center ophthalmology deparment

    Petah Tikva, 49100

    Weinberger Dov, MD, 9729376101, dwin@clalit.org.il

    Omer bialer, MD, 9729377171, omerb@clalit.org.il

Other trials in Israel

About this study

Official title: Phase 3 Study of Brimonidine Tartrate Drops Efficacy in Reducing Post Operative Corneal Edema After Cataract Surgery

Most patients undergoing cataract surgery suffer from corneal edema after the surgery.

Brimonidine drops are a well known and safe Anti-glaucoma medication. the investigators have made several clinical observations that patients receiving Brimonidine drops had a faster resolution of their corneal edema even if they had normal intra-ocular pressure.

The investigators believe that administering topical Brimonidine to patients with significant post operative corneal edema will hasten the resolution of their corneal edema.

Read the detailed description

Most patients undergoing cataract surgery suffer from corneal edema after the surgery which temporarily reduces their visual acuity until corneal edema resolves over several weeks Brimonidine drops are a well known and safe Anti-glaucoma medication, used to lower intra ocular pressure.

there have been several clinical observations that patients receiving Brimonidine drops had a faster resolution of their corneal edema even in the presence of normal intra-ocular pressure.

The investigators postulated that administering topical Brimonidine to patients with significant post operative corneal edema will hasten their recovery and visual improvement.

In order to prove that Brimonidine drops contribute to faster resolution of cornel edema and visual improvement, the study will randomly compare 50 post cataract surgery patients (group A)who will be administered Brimonidine to 2 control groups (50 people in each group):

group B will be given topical timolol drops 0.5% (another well recognized anti glaucoma medication which reduces intra-ocular pressure by different mechanism than Brimonidine.

Group C will not be given any test drug. All 3 groups will receive the regular post operative medications which include corticosteroids and antibiotics.

Being tested
Brimonidine Tartrate 0.2%, Timolol maleate 0.5%
Keywords
corneal edema, postoperative corneal edema, central corneal thickness, visual acuity, postoperative, brimonidine, timolol, cataract surgery
Medical subject headings
Corneal Edema

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Brimonidine Tartrate 0.2%Drug

    Also called ALPHAGAN P

    Brimonidine Tartrate 0.2% drops

    1 drop twice a day for 1 month in the operated eye

  • Timolol maleate 0.5%Drug

    Also called TILOPTIC, V-OPTIC

    timolol maleate 0.5% drops

    1 drop twice a day for 1 month in the operated eye

Study groups in NCT00800423
Study groupRoleWhat they receive
brimonidineExperimental50 patients receiving Brimonidine Tartrate drops in the operated eye: 1 drop X2 a day for 1 month. they will also be administered the usual medications after cataract surgery (corticosteroids and antibiotics drops)
Receives: Drug: Brimonidine Tartrate 0.2%
2 tmololActive comparator50 patients receiving timolol maleate 0.5% drops in the operated eye 1 drop X2 a day for 1 month. they will also be administered the usual medications after cataract surgery (corticosteroids and antibiotics drops)
Receives: Drug: Timolol maleate 0.5%
3No intervention50 patients will not receive any additional drug to the usual medications after cataract surgery (corticosteroids and antibiotics drops)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. central corneal thickness in micrometer

    Measured: day 0 (day of enrollment ), day 7, day 30

Secondary outcomes (1)
  1. grading of corneal edema (1-3)

    Measured: day 0 (day of enrollment), day 7, day 30

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Dec 2008 (estimated)
  2. Study startJan 2009
  3. Primary completionJan 2010 (estimated)
  4. Study completionJan 2010 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
150 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00800423
Sponsor's protocol ID
5189
Status last verified
Nov 2008
First submitted
30 Nov 2008
Last updated
2 Dec 2008
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Brimonidine Tartrate 0.2% and Timolol maleate 0.5% in people with Corneal Edema and Visual Acuity, run by Rabin Medical Center at 1 site in Israel.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 2 Dec 2008. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Israel. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Anat Robinson, MD (9729377176, robina@clalit.org.il), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

central corneal thickness in micrometer (time frame: day 0 (day of enrollment ), day 7, day 30). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Dec 2008.

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