# Phenotype and Etiology of Pallister-Hall Syndrome

> **NCT00001404** · — · COMPLETED · sponsor: **National Human Genome Research Institute (NHGRI)** · enrollment: 1170 (actual)

## Conditions studied

- Malformations
- Multiple Abnormalies
- Polydactyly

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00001404
- **Lead sponsor:** National Human Genome Research Institute (NHGRI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1994-08-18
- **Primary completion:** —
- **Final completion:** 2016-01-07
- **Target enrollment:** 1170 (ACTUAL)
- **Last updated:** 2019-12-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001404

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001404, "Phenotype and Etiology of Pallister-Hall Syndrome". Retrieved via AI Analytics 2026-07-03 from https://api.ai-analytics.org/clinical/NCT00001404. Licensed CC0.

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