# The NIH UNI Study: Urea Cycle Disorders, Nutrition and Immunity

> **NCT01421888** · — · TERMINATED · sponsor: **National Human Genome Research Institute (NHGRI)** · enrollment: 4 (actual)

## Conditions studied

- Argininosuccinic Aciduria
- Carbamoyl-Phosphate Synthase I Deficiency
- Citrullinemia
- Ornithine Carbamoyltransferase Deficiency
- Hyperargininemia
- N-Acetylglutamate Synthase Deficiency

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01421888
- **Lead sponsor:** National Human Genome Research Institute (NHGRI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2011-08-08
- **Primary completion:** —
- **Final completion:** 2013-04-17
- **Target enrollment:** 4 (ACTUAL)
- **Last updated:** 2019-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01421888

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01421888, "The NIH UNI Study: Urea Cycle Disorders, Nutrition and Immunity". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01421888. Licensed CC0.

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