# Mapping the Phenotype in Adults With Phelan-McDermid Syndrome

> **NCT03426059** · — · COMPLETED · sponsor: **Boston Children's Hospital** · enrollment: 24 (actual)

## Conditions studied

- Phelan-McDermid Syndrome
- Autism Spectrum Disorder
- Intellectual Disability

## Interventions

- **OTHER:** No Intervention

## Key facts

- **NCT ID:** NCT03426059
- **Lead sponsor:** Boston Children's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-05-22
- **Primary completion:** 2019-12-31
- **Final completion:** 2020-12-31
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2025-02-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03426059

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03426059, "Mapping the Phenotype in Adults With Phelan-McDermid Syndrome". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03426059. Licensed CC0.

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