Study record managers: refer to the Data Element Definitions if submitting registration or results information.
|1||NCT02240784||Recruiting||EXPLORE: A Natural History Study of Acute Hepatic Porphyria (AHP)||
||300||All||12 Years and older (Child, Adult, Older Adult)||NCT02240784||ALN-AS1-NT-001||August 2014||December 2020||December 2020||September 16, 2014||July 11, 2019||
|2||NCT03338816||Active, not recruiting||ENVISION: A Study to Evaluate the Efficacy and Safety of Givosiran (ALN-AS1) in Patients With Acute Hepatic Porphyrias (AHP)||
||94||All||12 Years and older (Child, Adult, Older Adult)||NCT03338816||ALN-AS1-003||November 16, 2017||January 31, 2019||September 2021||November 9, 2017||July 11, 2019||