HPN-100

To Evaluate the Safety of Long-term Use of HPN-100 in the Management of Urea Cycle Disorders (UCDs)

Study of the Safety, Pharmacokinetics and Efficacy of HPN-100, in Pediatric Subjects With Urea Cycle Disorders (UCDs)

Study of the Safety and Tolerability of HPN-100 Compared to Sodium Phenylbutyrate in Children With Urea Cycle Disorders

Dose-Escalation Safety Study of HPN-100 to Treat Urea Cycle Disorders

Study of the Safety of HPN (Hyperion)-100 for the Long-Term Treatment of Urea Cycle Disorders (Treat UCD)

A Study of Safety and Efficacy of HPN-100 in Subjects With Cirrhosis and Episodic Hepatic Encephalopathy

Efficacy and Safety of HPN-100 for the Treatment of Adults With Urea Cycle Disorders

Double-Blind Randomized Crossover Trial to Access Electrocardiogram Effects of HPN-100

A Study of Glyceryl Tri-(4-phenylbutyrate) Administered Orally as a Single Dose, and Twice Daily for Seven Consecutive Days to Subjects With Hepatic Impairment With Cirrhosis and to a Control Group

A Study of Glyceryl Tri-(4-phenylbutyrate) (GT4P)