# A Clinical Trial of PRAX-562 in Subjects With Developmental and Epileptic Encephalopathies (DEE)

> **NCT05818553** · PHASE2,PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **Praxis Precision Medicines** · enrollment: 77 (estimated)

## Conditions studied

- SCN2A Encephalopathy
- SCN8A Encephalopathy

## Interventions

- **DRUG:** PRAX-562

## Key facts

- **NCT ID:** NCT05818553
- **Lead sponsor:** Praxis Precision Medicines
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-08-02
- **Primary completion:** 2025-11-12
- **Final completion:** 2027-03-01
- **Target enrollment:** 77 (ESTIMATED)
- **Last updated:** 2026-01-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05818553

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05818553, "A Clinical Trial of PRAX-562 in Subjects With Developmental and Epileptic Encephalopathies (DEE)". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05818553. Licensed CC0.

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