Clinical Trials

Clinical Trials

Phase III – Urea Cycle Disorders

The phase III program is designed to assess the safety and efficacy of glycerol phenylbutyrate (HPN-100) in patients with urea cycle disorders. It consists of three clinical trials enrolling patients ages 6 and above. For further information, please visit www.helpucd.com or email info@helpucd.com.

Phase II – Hepatic Encephalopathy

The phase II study, named HALT-HE, is designed to assess the safety and efficacy of glycerol phenylbutyrate (HPN-100) in subjects with cirrhosis and episodic hepatic encephalopathy. For further information, please visit www.halt-he.com.


If you are a physician with questions about clinical research, please email clinicalresearch@hyperiontx.com

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