# Retrospective Case Series of Trans-scleral Cryotherapy for Retinal Hemangioblastoma

> **NCT04458935** · — · ACTIVE_NOT_RECRUITING · sponsor: **National Eye Institute (NEI)** · enrollment: 25 (actual)

## Conditions studied

- Retinal Hemangioblastoma
- Von Hippel-Lindau Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04458935
- **Lead sponsor:** National Eye Institute (NEI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-07-02
- **Primary completion:** 2026-06-30
- **Final completion:** 2026-06-30
- **Target enrollment:** 25 (ACTUAL)
- **Last updated:** 2026-02-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04458935

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04458935, "Retrospective Case Series of Trans-scleral Cryotherapy for Retinal Hemangioblastoma". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04458935. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*