Condition (MeSH)
Night Blindness
ClinicalTrials.gov lists 4 trials for Night Blindness or a narrower condition beneath it.
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Trials per phase
4 of the 4 trials are tagged with Night Blindness itself; the rest are tagged with a narrower condition beneath it.
When did Night Blindness trials start? (4)
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 2
- Not applicable
- Observational
Top of scale: 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.
| Year | Trials started |
|---|---|
| 2025 | 1 |
| 2022 | 1 |
| 2021 | 1 |
| 2007 | 1 |
No forecast is made for this condition: it averages 0.4 trial starts a year over the five years to September, under the 5 a year the method needs.
Recruitment duration, a model prediction: 1 trial 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 Night Blindness trials in? (3)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 2 | 1 |
| Not applicable | 2 |
| Observational | 1 |
How many Night Blindness trials are recruiting? (3)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Recruiting | 1 |
| Completed | 2 |
| Terminated | 1 |
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Night Blindness trials? (2)
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 |
|---|---|
| Laboratoires Thea | 1 |
| Sheba Medical Center | 1 |
Which publications cover Night Blindness? (13)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| A randomized phase 2 clinical trial of phentolamine mesylate eye drops in patients with severe night vision disturbances. | BMC ophthalmology | 2022 | Yes |
| Risk factors for maternal night blindness in rural South India. | Ophthalmic epidemiology | 2009 | Yes |
| Maternal night blindness during pregnancy is associated with low birthweight, morbidity, and poor growth in South India. | The Journal of nutrition | 2008 | Yes |
| Visual and flight performance recovery after PRK or LASIK in helicopter pilots. | Aviation, space, and environmental medicine | 2007 | Yes |
| Maternal night blindness increases risk of mortality in the first 6 months of life among infants in Nepal. | The Journal of nutrition | 2001 | Yes |
Showing 5 of 13 publications.
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: serious adverse events in this condition's trials, prevalence, rare-disease identity, and sub-conditions in mesh.
Not computed for conditions with fewer than 10 trials: drugs tested.