Condition (MeSH)
Pterygium
ClinicalTrials.gov lists 106 trials for Pterygium or a narrower condition beneath it. Pro Top & Mediking Company Limited has the most among industry and government lead sponsors, with 4.
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Trials per phase (log scale)
106 of the 106 trials are tagged with Pterygium itself; the rest are tagged with a narrower condition beneath it.
When did Pterygium trials start? (25)
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.
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: 11
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.
| Year | Trials started |
|---|---|
| 2026 (partial year) | 3 |
| 2025 | 2 |
| 2024 | 4 |
| 2023 | 5 |
| 2022 | 1 |
| 2021 | 5 |
| 2020 | 4 |
| 2019 | 3 |
| 2018 | 4 |
| 2017 | 7 |
Showing 10 of 25 earlier years.
No forecast is made for this condition: it averages 2.6 trial starts a year over the five years to September, under the 5 a year the method needs.
Recruitment duration, a model prediction: 2 trials still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Pterygium trials in? (8)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 8 |
| Phase 1/2 | 1 |
| Phase 2 | 9 |
| Phase 2/3 | 3 |
| Phase 3 | 11 |
| Phase 4 | 13 |
| Not applicable | 47 |
| Observational | 14 |
How many Pterygium trials are recruiting? (8)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Not yet recruiting | 4 |
| Recruiting | 2 |
| Enrolling by invitation | 1 |
| Active, not recruiting | 2 |
| Completed | 60 |
Showing 5 of 8 statuses.
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Pterygium trials? (4)
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.
| Sponsor | Trials |
|---|---|
| Pro Top & Mediking Company Limited | 4 |
| Hospital Authority, Hong Kong | 3 |
| Singapore National Eye Centre | 3 |
| Cloudbreak Therapeutics, LLC | 2 |
Interventions as named in the registry (15)
Shown in this order: most trials first.
| Drug | Trials |
|---|---|
| Bevacizumab 1 | 6 |
| ranibizumab PRN | 3 |
| MMC | 2 |
| Mitomycin C 0.02% | 2 |
| Fluorouracile | 2 |
Showing 5 of 15 interventions.
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 Pterygium trials report? (3)
Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.
| Adverse event | Subjects affected | Trials |
|---|---|---|
| Meningioma benign | 1 | 1 |
| Ovarian adenoma | 1 | 1 |
| Transient ischaemic attack | 1 | 1 |
Which publications cover Pterygium? (100)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| Mini-simple limbal epithelial transplantation and conjunctival-limbal autograft for the treatment of primary pterygium: Study protocol for a randomized controlled trial. | Trials | 2025 | Yes |
| Comparing Intracanalicular and Topical Steroid Use in Patients Undergoing Pterygium Surgery. | Eye & contact lens | 2024 | Yes |
| Autologous fibrin glue versus sutures for conjunctival autograft in primary pterygium: a randomized clinical trial. | International ophthalmology | 2023 | Yes |
| Comparison of mini-simple limbal epithelial transplantation and conjunctival-limbal autograft for the treatment of primary pterygium: a randomised controlled trial. | The British journal of ophthalmology | 2023 | Yes |
| Application of platelet-rich fibrin grafts following pterygium excision. | International journal of clinical practice | 2021 | Yes |
Showing 5 of 100 publications.
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: prevalence, rare-disease identity, and sub-conditions in mesh.