# Natural History Study of Patients With Succinic Semialdehyde Dehydrogenase (SSADH) Deficiency

> **NCT03758521** · — · RECRUITING · sponsor: **Boston Children's Hospital** · enrollment: 55 (estimated)

## Conditions studied

- Succinic Semialdehyde Dehydrogenase Deficiency

## Interventions

- **DEVICE:** Transcranial magnetic stimulation (TMS)
- **DEVICE:** Magnetic resonance imaging (MRI)
- **DEVICE:** Electroencephalogram (EEG)
- **PROCEDURE:** Bio-specimen Collection

## Key facts

- **NCT ID:** NCT03758521
- **Lead sponsor:** Boston Children's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2019-01-15
- **Primary completion:** 2029-05-31
- **Final completion:** 2029-06
- **Target enrollment:** 55 (ESTIMATED)
- **Last updated:** 2026-01-13

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03758521

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03758521, "Natural History Study of Patients With Succinic Semialdehyde Dehydrogenase (SSADH) Deficiency". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03758521. Licensed CC0.

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