# Extension Study to Evaluate NBI-827104 in Pediatric Participants With Epileptic Encephalopathy With Continuous Spike-and-Wave During Sleep

> **NCT05301894** · PHASE2 · TERMINATED · sponsor: **Neurocrine Biosciences** · enrollment: 19 (actual)

## Conditions studied

- Epileptic Encephalopathy
- Continuous Spike and Wave During Sleep

## Interventions

- **DRUG:** NBI-827104

## Key facts

- **NCT ID:** NCT05301894
- **Lead sponsor:** Neurocrine Biosciences
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2022-06-07
- **Primary completion:** 2025-01-27
- **Final completion:** 2025-01-27
- **Target enrollment:** 19 (ACTUAL)
- **Why stopped:** Business decision
- **Last updated:** 2026-02-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05301894

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05301894, "Extension Study to Evaluate NBI-827104 in Pediatric Participants With Epileptic Encephalopathy With Continuous Spike-and-Wave During Sleep". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT05301894. Licensed CC0.

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