Condition (MeSH)
Persistent Hyperplastic Primary Vitreous
ClinicalTrials.gov lists 2 trials for Persistent Hyperplastic Primary Vitreous or a narrower condition beneath it.
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Trials per phase
2 of the 2 trials are tagged with Persistent Hyperplastic Primary Vitreous itself; the rest are tagged with a narrower condition beneath it.
When did Persistent Hyperplastic Primary Vitreous trials start? (2)
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.
| Year | Trials started |
|---|---|
| 2024 | 1 |
| 2017 | 1 |
No forecast is made for this condition: it averages 0.2 trial starts a year over the five years to September, under the 5 a year the method needs.
Recruitment duration, a model prediction: none of the 2 trials evaluated at the 2026-10-09 snapshot is predicted and still running. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Persistent Hyperplastic Primary Vitreous trials in? (2)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 4 | 1 |
| Not applicable | 1 |
How many Persistent Hyperplastic Primary Vitreous trials are recruiting? (2)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Recruiting | 1 |
| Unknown status | 1 |
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which publications cover Persistent Hyperplastic Primary Vitreous? (2)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| Visual and Anatomical Outcomes With Vitrectomy in Posterior or Combined Persistent Fetal Vasculature in an Asian Population. | Ophthalmic surgery, lasers & imaging retina | 2019 | Yes |
| Infant Aphakia Treatment Study: effects of persistent fetal vasculature on outcome at 1 year of age. | Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus | 2011 | Yes |
Prevalence (3)
Shown in this order: jurisdiction, then disease name. Orphanet observation for the mapped ORPHA concept; the mapping relation column says whether that concept is exactly this condition or broader or narrower.
| Orphanet disease | Type | Class | Geography | Jurisdiction | Mapping relation |
|---|---|---|---|---|---|
| Persistent hyperplastic primary vitreous | Point prevalence | Unknown | Worldwide | Not stated | Exact |
| Persistent hyperplastic primary vitreous | Point prevalence | Unknown | Worldwide | Not stated | Exact |
| Persistent hyperplastic primary vitreous | Point prevalence | Unknown | Worldwide | Not stated | Unspecified |
Rare-disease identity (2)
Shown in this order: exact, broader, narrower, other.
| Orphanet disease | ORPHA code | Relation | Source |
|---|---|---|---|
| Persistent hyperplastic primary vitreous | 91495 | Exact | Orphadata Science knowledge files, Product 1 |
| Persistent hyperplastic primary vitreous | 91495 | Exact | Orphanet Rare Disease Ontology (ORDO) |
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: lead sponsors, serious adverse events in this condition's trials, and sub-conditions in mesh.
Not computed for conditions with fewer than 10 trials: drugs tested.