ClinicalTrials.gg
Active, not recruitingNCT01742819AGPSUpdated May 4, 2025

Advanced Glaucoma Progression Study

An observational study in Primary Open Angle Glaucoma, Pseudoexfoliative Glaucoma and Chronic Angle Closure Glaucoma, sponsored by University of California, Los Angeles. Active, not recruiting at 1 site in United States. Open to participants aged 40 Years to 80 Years. Per ClinicalTrials.gov, last updated 2025-05-04.

Sponsored by University of California, Los Angeles · Observational

From the registry’s dates

  • Primary completion was expected by Dec 2025, 11 months ago, but the record still lists the study as active, not recruiting.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
150
Ages
40 Years to 80 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 348 studies in Glaucoma, Open-Angle with a site in United States — 50 open to participants now, 67 under way, 5 of them phase 3. Glaucoma, Open-Angle · United States.

Planned enrollment
17th of 57
150 · median 100
Started
2012
with 16 others
Observational
59 of 348
13 open now
Primary completion
2025-12
later than 11 of 66 live
Registered
118th of 348
by date

Among the 348 studies in Glaucoma, Open-Angle with a site in United States, this one is the 17th largest by planned enrollment of the 57 observational ones that give a count, is one of 17 that started in 2012, is one of 59 observational ones, reaches primary completion later than 11 of the 66 other live ones, and was the 118th registered.

Glaucoma, Open-Angle

924 studies on the registry are indexed under Glaucoma, Open-Angle; 117 are open to participants now.

This study's planned enrollment of 150 is above the median of 101 across 184 observational studies indexed under Glaucoma, Open-Angle.

Browse Glaucoma, Open-Angle studies →

Open to participants now

50 of the 348 studies in Glaucoma, Open-Angle with a site in United States are open now.

All 50 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 83 Glaucoma, Open-Angle studies recruiting now, 64 (77%) set no upper age limit and 5 (6%) stop at 75 or younger; 5 take children under 18; 11 take healthy volunteers.

This study: 40 Years to 80 Years · all sexes · no healthy volunteers.

The full table on the hub →
Was this useful?
Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 348 studies in Glaucoma, Open-Angle with a site in United States, or all of them as a file.
02

Study summary

Glaucoma is one of the leading causes of blindness in the world. The key to prevention of visual loss from glaucoma is early detection of the disease or its progression and timely treatment. The proposed study will investigate the role of various tests in improving detection of disease progression in advanced glaucoma. Evaluation of the peripheral field of vision (visual field examination) remains the current standard for detection of progression in glaucoma. However, there is a lot of variability or inconsistency in eyes with advanced glaucoma, which could make it difficult to detect worsening of glaucoma with visual fields. The optic nerve demonstrates significant damage in such eyes and hence oftentimes repeat imaging of the optic nerve head is not helpful for detection of change. Therefore, imaging of the central retina (the innermost sensitive tissue lining the inside of the eye), called macula, has been proposed to supplant imaging of the nerve in eyes with severe glaucoma. The macula aids in detailed central vision. Since the macular retinal neural cells are the last ones to be affected in glaucoma, measurement of macular retinal thickness could provide significant information with regard to the course of glaucoma. In the proposed study, glaucoma patients will be tested and followed with various measurements done with newer versions of optical coherence tomography (OCT) imaging and visual field machines. The patients will undergo repeat imaging and visual field testing every 6 months over the course of 5 years. Rates of change will be estimated. We will explore if changes in various outcome measures derived from imaging are correlated with the corresponding visual field changes in glaucoma, and whether the former can be used as an alternative method for detecting simultaneous or subsequent glaucoma progression. The hypothesis for this proposed research is that macular OCT parameters are valid structural measures that can be used especially in advanced disease to follow the course of glaucoma.

Read the detailed description

Glaucoma is a major public health issue worldwide and manifests clinically as a chronic progressive optic neuropathy with concomitant visual field (VF) loss. Glaucoma can cause significant visual disability and decreased quality of life (1). Based on WHO's report in 2002, glaucoma is the second cause of blindness. The key to prevention of visual loss from glaucoma is early detection of the disease or its progression and timely treatment. Glaucoma can be quite advanced at the time of initial detection. The prevalence of advanced glaucoma at the time of diagnosis varies but can be quite high. For example, the average VF mean deviation (MD) in patients diagnosed with glaucoma in the Los Angeles Latino Eye Study was -9.6 dB (2), which represents moderately advanced to severe glaucoma. Detection of progression in advanced stages of glaucoma continues to be challenging. Visual field examination remains the gold standard for detection of progression in advanced glaucoma. However, long-term VF variability or noise in such eyes is significant, which could confound detection of change. The optic nerve head and peripapillary retinal nerve fiber layer (RNFL) demonstrate significant damage in such eyes and hence are not helpful for detection of change. About 50% of retinal ganglion cells (RGCs) are located within 4-5 mm of the macular center (3). Since the macular RGCs are the last ones to be affected in glaucoma, measurement of macular retinal thickness or retinal sublayers could provide significant information with regard to the course of advanced glaucoma.

The macular retinal sublayers can now be measured with reasonable accuracy with SD- OCTs. There is some evidence that measurement of the macular ganglion cell complex (GCC, combined thickness of RNFL, RGC and inner plexiform layer or IPL), or macular retinal thickness or volume may detect early glaucoma with a performance that approximates that of circumpapillary RNFL thickness measurements (4,5). In addition, such macular measurements have proved to be very reproducible (4,6). Given this excellent reproducibility, macular outcome measures would be the main candidates for following glaucoma eyes with advanced damage, in which the macular region is essentially the only retinal area with residual RGCs.

03

Conditions studied

  • Primary Open Angle Glaucoma
  • Pseudoexfoliative Glaucoma
  • Chronic Angle Closure Glaucoma

Keywords

  • Glaucoma, Optical Coherence Tomography, Progression
04

Who can participate

Ages eligible
40 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Advanced glaucoma patients

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Clinical diagnosis of primary open angle glaucoma, pseudoexfoliative glaucoma, and angle closure glaucoma
  • Visual field MD of -6dB or worse OR visual field loss involvement at at least two points within the central 10 degrees of the field

Exclusion criteria

Exclusion Criteria:

  • Patient not within the ages of 40-80 years old
  • Visual acuity worse than 20/50 at baseline
  • Spherical refraction worse than 8D and cylindrical refraction worse than 3D
  • Significant retinal or neurological diseases including diabetic retinopathy or age-related macular degeneration
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
150 participants (estimated)
Patient registry
No

Groups and cohorts

  • Advanced glaucoma

    Patients with MD \< -6 or visual field loss within the central 10 degrees of the visual field.

06

What researchers measure

Primary outcomes

  1. Visual field progression

    Worsening of the MD and/or increased visual field loss within the central 10 degrees of the field.

    Time frame: 5 years

  2. Worsening of OCT measurements

    Worsening of macular and retinal nerve fiber layer (RNFL) OCT measurements.

    Time frame: 5 Years

Secondary outcomes

  1. Contrast sensitivity

    Looking at any changes in contrast sensitivity using the Vector Vision CSV-1000 eye chart.

    Time frame: 5 years

07

Study locations

1 site
  • UCLA Jules Stein Eye Institute
    Los Angeles, California 90095, United States
08

References and documents

Publications

  • McKean-Cowdin R, Wang Y, Wu J, Azen SP, Varma R; Los Angeles Latino Eye Study Group. Impact of visual field loss on health-related quality of life in glaucoma: the Los Angeles Latino Eye Study. Ophthalmology. 2008 Jun;115(6):941-948.e1. doi: 10.1016/j.ophtha.2007.08.037. Epub 2007 Nov 12. PubMed 17997485 ↗
  • Varma R, Ying-Lai M, Francis BA, Nguyen BB, Deneen J, Wilson MR, Azen SP; Los Angeles Latino Eye Study Group. Prevalence of open-angle glaucoma and ocular hypertension in Latinos: the Los Angeles Latino Eye Study. Ophthalmology. 2004 Aug;111(8):1439-48. doi: 10.1016/j.ophtha.2004.01.025. PubMed 15288969 ↗
  • Curcio CA, Allen KA. Topography of ganglion cells in human retina. J Comp Neurol. 1990 Oct 1;300(1):5-25. doi: 10.1002/cne.903000103. PubMed 2229487 ↗
  • Tan O, Chopra V, Lu AT, Schuman JS, Ishikawa H, Wollstein G, Varma R, Huang D. Detection of macular ganglion cell loss in glaucoma by Fourier-domain optical coherence tomography. Ophthalmology. 2009 Dec;116(12):2305-14.e1-2. doi: 10.1016/j.ophtha.2009.05.025. Epub 2009 Sep 10. PubMed 19744726 ↗
  • Mori S, Hangai M, Sakamoto A, Yoshimura N. Spectral-domain optical coherence tomography measurement of macular volume for diagnosing glaucoma. J Glaucoma. 2010 Oct-Nov;19(8):528-34. doi: 10.1097/IJG.0b013e3181ca7acf. PubMed 20164794 ↗
  • Mwanza JC, Oakley JD, Budenz DL, Chang RT, Knight OJ, Feuer WJ. Macular ganglion cell-inner plexiform layer: automated detection and thickness reproducibility with spectral domain-optical coherence tomography in glaucoma. Invest Ophthalmol Vis Sci. 2011 Oct 21;52(11):8323-9. doi: 10.1167/iovs.11-7962. PubMed 21917932 ↗
  • Lee JW, Morales E, Sharifipour F, Amini N, Yu F, Afifi AA, Coleman AL, Caprioli J, Nouri-Mahdavi K. The relationship between central visual field sensitivity and macular ganglion cell/inner plexiform layer thickness in glaucoma. Br J Ophthalmol. 2017 Aug;101(8):1052-1058. doi: 10.1136/bjophthalmol-2016-309208. Epub 2017 Jan 11. PubMed 28077369 ↗
09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started May 2012 (actual). Primary completion is estimated for Dec 2025, 163 months after the start.

Of 53 observational studies under Glaucoma, Open-Angle, half reached primary completion within 25 months of starting (the median), counting those still running; a quarter within 12. This study's planned 163 months is above that.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 3, 2012
First posted
Dec 5, 2012
StartActual
May 2012
Primary completionEst.
Dec 2025
CompletionEst.
Dec 2025
Last update
May 4, 2025
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 4, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01742819
Responsible party
Kouros Nouri-Mahdavi (Assistant Professor of Ophthalmology, University of California, Los Angeles) — Principal investigator
First posted
Dec 5, 2012
Start date
May 2012
Primary completion
Dec 2025 (estimated)
Completion
Dec 2025 (estimated)
Last update
May 4, 2025

Study contacts

Kouros Nouri-Mahdavi, MD, MSc
principal investigator · Jules Stein Eye Institute, UCLA

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Apr 2025. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion