# Evaluation of Patients With Unresolved Chromosome Abnormalities

> **NCT00001639** · — · COMPLETED · sponsor: **National Human Genome Research Institute (NHGRI)** · enrollment: 263 (—)

## Conditions studied

- Abnormalities
- Failure to Thrive
- Mental Retardation
- Microcephaly

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00001639
- **Lead sponsor:** National Human Genome Research Institute (NHGRI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 1996-12
- **Primary completion:** —
- **Final completion:** 2000-10
- **Target enrollment:** 263 (—)
- **Last updated:** 2008-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001639

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001639, "Evaluation of Patients With Unresolved Chromosome Abnormalities". Retrieved via AI Analytics 2026-09-27 from https://api.ai-analytics.org/clinical/NCT00001639. Licensed CC0.

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