# Advanced Grandparental Age as a Risk Factor for Autism

> **NCT00464477** · — · COMPLETED · sponsor: **University of Mississippi Medical Center** · enrollment: 100 (actual)

## Conditions studied

- Autistic Disorder
- Pervasive Developmental Disorder
- Asperger Syndrome
- Childhood Disintegrative Disorder
- Rett Syndrome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00464477
- **Lead sponsor:** University of Mississippi Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** —
- **Final completion:** 2007-10
- **Target enrollment:** 100 (ACTUAL)
- **Last updated:** 2007-11-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00464477

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00464477, "Advanced Grandparental Age as a Risk Factor for Autism". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT00464477. Licensed CC0.

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