# Natural History Study in Pediatric Patients with STXBP1 Encephalopathy with Epilepsy

> **NCT05462054** · — · WITHDRAWN · sponsor: **Capsida Biotherapeutics, Inc.**

## Conditions studied

- STXBP1 Encephalopathy with Epilepsy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05462054
- **Lead sponsor:** Capsida Biotherapeutics, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2024-10
- **Primary completion:** 2026-01
- **Final completion:** 2026-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Withdrawn, no patients enrolled
- **Last updated:** 2024-10-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05462054

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05462054, "Natural History Study in Pediatric Patients with STXBP1 Encephalopathy with Epilepsy". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT05462054. Licensed CC0.

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