# 24-Month Trial of NPI-001 for the Preservation of Photoreceptors in Retinitis Pigmentosa Associated With Usher Syndrome

> **NCT07290530** · PHASE3 · NOT_YET_RECRUITING · sponsor: **Nacuity Pharmaceuticals, Inc.** · enrollment: 80 (estimated)

## Conditions studied

- Retinitis Pigmentosa (RP)
- Usher Syndrome

## Interventions

- **DRUG:** N-acetylcysteine amide
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT07290530
- **Lead sponsor:** Nacuity Pharmaceuticals, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-06
- **Primary completion:** 2028-12
- **Final completion:** 2028-12
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2025-12-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07290530

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07290530, "24-Month Trial of NPI-001 for the Preservation of Photoreceptors in Retinitis Pigmentosa Associated With Usher Syndrome". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT07290530. Licensed CC0.

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