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Condition (MeSH)

Glaucoma, Open-Angle

ClinicalTrials.gov lists 952 trials for Glaucoma, Open-Angle or a narrower condition beneath it. Alcon Research has the most among industry and government lead sponsors, with 104.

MeSH D005902 Eye Diseases C11
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Phase 1 Phase 1 39 Phase 1/2 Phase 1/2 26 Phase 2 Phase 2 108 Phase 2/3 Phase 2/3 9 Phase 3 Phase 3 138 Phase 4 Phase 4 136 Not applicable Not applicable 297 Observational Observational 197 Phase 1 Phase 1 39 Phase 1/2 Phase 1/2 26 Phase 2 Phase 2 108 Phase 2/3 Phase 2/3 9 Phase 3 Phase 3 138 Phase 4 Phase 4 136 Not applicable Not applicable 297 Observational Observational 197

Trials per phase (log scale)

1 more section with rows

916 of the 952 trials are tagged with Glaucoma, Open-Angle itself; the rest are tagged with a narrower condition beneath it.

Get the Glaucoma, Open-Angle report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Glaucoma, Open-Angle trials start? (34)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year. 1 trial is registered to start in 2027 or later, and not listed here.

Trials over time, by phase

  • Phase 1
  • Phase 1/2
  • Phase 2
  • Phase 2/3
  • Phase 3
  • Phase 4
  • Not applicable
  • Observational

Top of scale: 71

1992: 3 trials (Phase 3 3) 1993: 3 trials (Not applicable 1, Phase 3 2) 1995: 1 trials (Observational 1) 1996: 1 trials (Phase 3 1) 1997: 2 trials (Not applicable 1, Phase 3 1) 1998: 1 trials (Phase 2 1) 1999: 4 trials (Observational 1, Phase 3 1, Phase 2/3 1, Phase 2 1) 2000: 4 trials (Observational 1, Phase 3 2, Phase 1 1) 2001: 5 trials (Phase 3 5) 2002: 7 trials (Observational 3, Phase 4 2, Phase 3 1, Phase 2 1) 2003: 10 trials (Observational 1, Not applicable 1, Phase 4 4, Phase 3 2, Phase 2 2) 2004: 10 trials (Observational 3, Not applicable 1, Phase 4 2, Phase 3 4) 2005: 20 trials (Observational 1, Not applicable 1, Phase 4 8, Phase 3 9, Phase 2 1) 2006: 30 trials (Observational 9, Not applicable 5, Phase 4 7, Phase 3 3, Phase 2 4, Phase 1/2 1, Phase 1 1) 2007: 30 trials (Observational 7, Not applicable 4, Phase 4 6, Phase 3 3, Phase 2 8, Phase 1 2) 2008: 37 trials (Observational 12, Not applicable 4, Phase 4 5, Phase 3 6, Phase 2/3 2, Phase 2 7, Phase 1/2 1) 2009: 40 trials (Observational 11, Not applicable 2, Phase 4 9, Phase 3 6, Phase 2/3 2, Phase 2 7, Phase 1/2 2, Phase 1 1) 2010: 42 trials (Observational 8, Not applicable 8, Phase 4 8, Phase 3 8, Phase 2 5, Phase 1/2 3, Phase 1 2) 2011: 71 trials (Observational 11, Not applicable 18, Phase 4 16, Phase 3 13, Phase 2 7, Phase 1/2 2, Phase 1 4) 2012: 41 trials (Observational 7, Not applicable 15, Phase 4 6, Phase 3 3, Phase 2 6, Phase 1/2 2, Phase 1 2) 2013: 57 trials (Observational 18, Not applicable 14, Phase 4 12, Phase 3 2, Phase 2 7, Phase 1/2 1, Phase 1 3) 2014: 39 trials (Observational 8, Not applicable 7, Phase 4 6, Phase 3 6, Phase 2 7, Phase 1/2 3, Phase 1 2) 2015: 26 trials (Observational 2, Not applicable 10, Phase 4 3, Phase 3 6, Phase 2/3 1, Phase 2 3, Phase 1 1) 2016: 31 trials (Observational 4, Not applicable 7, Phase 4 6, Phase 3 6, Phase 2 5, Phase 1/2 2, Phase 1 1) 2017: 41 trials (Observational 10, Not applicable 19, Phase 4 3, Phase 3 3, Phase 2 4, Phase 1 2) 2018: 44 trials (Observational 5, Not applicable 26, Phase 4 1, Phase 3 6, Phase 2 1, Phase 1/2 1, Phase 1 4) 2019: 35 trials (Observational 8, Not applicable 8, Phase 4 5, Phase 3 8, Phase 2 3, Phase 1/2 1, Phase 1 2) 2020: 48 trials (Observational 9, Not applicable 24, Phase 4 4, Phase 3 4, Phase 2 4, Phase 1/2 1, Phase 1 2) 2021: 51 trials (Observational 12, Not applicable 24, Phase 4 2, Phase 3 6, Phase 2 6, Phase 1/2 1) 2022: 48 trials (Observational 10, Not applicable 27, Phase 4 1, Phase 3 5, Phase 2 2, Phase 1/2 1, Phase 1 2) 2023: 39 trials (Observational 6, Not applicable 19, Phase 4 4, Phase 3 2, Phase 2/3 2, Phase 2 4, Phase 1/2 1, Phase 1 1) 2024: 33 trials (Observational 8, Not applicable 11, Phase 4 4, Phase 3 2, Phase 2 4, Phase 1 4) 2025: 43 trials (Observational 9, Not applicable 21, Phase 4 6, Phase 3 3, Phase 2 2, Phase 1/2 1, Phase 1 1)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 42
2025 43
2024 33
2023 39
2022 48
2021 51
2020 48
2019 35
2018 44
2017 41

Forecast of the full-year count, planned starts included, not rows of this table: about 52 trials starting in 2026 and about 44 in 2027, the average of the 24 months through September, counted as registered and carried forward, with about 0.7 times the starts already registered for the rest of 2026 added. The rows of this table count trials registered so far with a start date in the year, planned starts included; the forecast looks ahead to the count for the whole year, so it is not the same measure. In backtests on conditions of this size, forecasts made part-way through the year were typically off by about 15 percent and ran about 1 percent high against the count later registered; forecasts made before the year began were off by about 26 percent and ran about 20 percent low against the count later registered. The part-way figures are from forecasts that used a multiple fitted only on earlier years. These figures rest on a few years of history (target years from 2018 to 2025, varying by figure), place each condition as it is mapped today rather than as it was then, and score against a count for the newest year that was still being revised. Only condition series were scored.

Prediction, not a registry value: median of 31 months from start to primary completion across 77 trials still running at the 2026-10-09 snapshot; registered median of 17 months across 655 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Glaucoma, Open-Angle trials in? (9)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 1 39
Phase 1/2 26
Phase 2 108
Phase 2/3 9
Phase 3 138
Phase 4 136
Not applicable 297
Observational 197
Expanded access 2

How many Glaucoma, Open-Angle trials are recruiting? (10)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Not yet recruiting 21
Recruiting 80
Enrolling by invitation 8
Active, not recruiting 33
Completed 589

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Glaucoma, Open-Angle trials? (11)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
Alcon Research 104
Allergan 48
Glaukos Corporation 43
Aerie Pharmaceuticals 18
Pfizer's Upjohn has merged with Mylan to form Viatris Inc. 15

Which drugs are being tested for Glaucoma, Open-Angle? (3)

Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.

Drugs tested
Drug Trials
Timolol hemihydrate 18
Bimatoprost 11
Brimonidine 7

Interventions as named in the registry (12)

Shown in this order: most trials first.

Interventions as named in the registry
Drug Trials
Apo-Latanoprost 57
travoprost 0.003% 30
Cataract surgery 14
Latanoprost 0.005% 13
Latanoprost 0.005% Ophthalmic Solution 11

These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.

Which serious adverse events do Glaucoma, Open-Angle trials report? (10)

Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.

Serious adverse events in this condition's trials
Adverse event Subjects affected Trials
Corneal endothelial cell loss 28 2
Pneumonia 26 16
Death 24 11
Osteoarthritis 18 10
Cholecystitis 13 12

Which publications cover Glaucoma, Open-Angle? (803)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Sub-conditions in MeSH (1)

MeSH descendants one level down with at least one trial, most trials first.

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: prevalence and rare-disease identity.

Browse all condition evidence pages