# Natural History of the Progression of X-Linked Retinitis Pigmentosa

> **NCT04926129** · — · COMPLETED · sponsor: **NightstaRx Ltd, a Biogen Company** · enrollment: 201 (actual)

## Conditions studied

- X-Linked Retinitis Pigmentosa

## Interventions

- **OTHER:** Other: Assessments

## Key facts

- **NCT ID:** NCT04926129
- **Lead sponsor:** NightstaRx Ltd, a Biogen Company
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-13
- **Primary completion:** 2022-12-16
- **Final completion:** 2022-12-16
- **Target enrollment:** 201 (ACTUAL)
- **Last updated:** 2023-02-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04926129

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04926129, "Natural History of the Progression of X-Linked Retinitis Pigmentosa". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT04926129. Licensed CC0.

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