Entity
Phelan-McDermid Syndrome
A major analysis suggests Phelan-McDermid syndrome, a genetic disorder closely linked to autism, may affect roughly 1 in 7,300 people — far more common than previously thought — with many cases likely undiagnosed and targeted treatments now entering clinical trials.
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## Overview
A major analysis suggests Phelan-McDermid syndrome, a genetic disorder closely linked to autism, may be far more common than previously believed, potentially affecting about 1 in 7,300 people (ScienceDaily, September 25).
## Key Findings
- The disorder may affect more than 45,000 Americans, per the analysis (ScienceDaily, September 25).
- Researchers warn that thousands of cases may remain hidden because genetic testing is often not performed (ScienceDaily, September 25).
- Targeted treatments for the syndrome are moving into clinical trials (ScienceDaily, September 25).
## Significance
The revised prevalence estimate and advancing clinical trials make this a disorder likely to generate continued scientific and clinical coverage, with implications for genetic testing policy and rare disease drug development.