Condition (MeSH)
Nevus of Ota
ClinicalTrials.gov lists 2 trials for Nevus of Ota or a narrower condition beneath it.
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Trials per phase
2 of the 2 trials are tagged with Nevus of Ota itself; the rest are tagged with a narrower condition beneath it.
When did Nevus of Ota 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 |
|---|---|
| 2020 | 1 |
| 2004 | 1 |
No forecast is made for this condition: it averages 0.0 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 Nevus of Ota trials in? (2)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 1 |
| Observational | 1 |
How many Nevus of Ota trials are recruiting? (2)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Completed | 1 |
| Unknown status | 1 |
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which publications cover Nevus of Ota? (6)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| Analysis of efficacy of picosecond laser treatment for nevus of Ota. | Lasers in medical science | 2025 | Yes |
| Early Treatment Initiation Improves Outcomes in Nevus of Ota: A 10-Year Retrospective Study. | American journal of clinical dermatology | 2022 | Yes |
| Effect of cold air cooling on the incidence of postinflammatory hyperpigmentation after Q-switched Nd:YAG laser treatment of acquired bilateral nevus of Ota like macules. | Archives of dermatology | 2007 | Yes |
| Role of skin cooling in improving patient tolerability of Q-switched Alexandrite (QS Alex) laser in nevus of Ota treatment. | Lasers in surgery and medicine | 2003 | Yes |
| Treatment of acquired bilateral nevus of Ota-like macules (Hori's nevus) using a combination of scanned carbon dioxide laser followed by Q-switched ruby laser. | Journal of the American Academy of Dermatology | 2003 | Yes |
Showing 5 of 6 publications.
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 |
|---|---|---|---|---|---|
| Nevus of Ota | Point prevalence | Unknown | Worldwide | Not stated | Exact |
| Nevus of Ota | Point prevalence | Unknown | Worldwide | Not stated | Exact |
| Nevus of Ota | 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 |
|---|---|---|---|
| Nevus of Ota | 263425 | Exact | Orphanet Rare Disease Ontology (ORDO) |
| Nevus of Ota | 263425 | Exact | Orphadata Science knowledge files, Product 1 |
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.