# Transition From Buphenyl to RAVICTI for the Therapy of Byler Disease

> **NCT01949766** · — · NO_LONGER_AVAILABLE · sponsor: **University of Pittsburgh**

## Conditions studied

- Byler Disease

## Interventions

- **DRUG:** Glycerol phenylbutyrate

## Key facts

- **NCT ID:** NCT01949766
- **Lead sponsor:** University of Pittsburgh
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** EXPANDED_ACCESS
- **Status:** NO_LONGER_AVAILABLE
- **Start date:** —
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** — (—)
- **Last updated:** 2013-09-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01949766

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01949766, "Transition From Buphenyl to RAVICTI for the Therapy of Byler Disease". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT01949766. Licensed CC0.

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