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Trial + Data / Events	Status	Ph	N	Region	Interventions	Sponsor	Conditions	Primary compl	Study compl
Spronsen, Francjan Van
NCT05099640 / 2021-000474-29: A Study of PTC923 in Participants With Phenylketonuria	Completed	3	157	Europe, Canada, US, RoW	PTC923, Placebo	PTC Therapeutics	Phenylketonuria	04/23	05/23
NCT05166161 / 2021-000497-28: A Long-Term Safety Study of PTC923 in Participants With Phenylketonuria	Recruiting	3	200	Europe, Canada, Japan, US, RoW	PTC923, Sepiapterin	PTC Therapeutics	Phenylketonuria	04/26	04/26
Guimas, Arlindo
NCT05099640 / 2021-000474-29: A Study of PTC923 in Participants With Phenylketonuria	Completed	3	157	Europe, Canada, US, RoW	PTC923, Placebo	PTC Therapeutics	Phenylketonuria	04/23	05/23
NCT05166161 / 2021-000497-28: A Long-Term Safety Study of PTC923 in Participants With Phenylketonuria	Recruiting	3	200	Europe, Canada, Japan, US, RoW	PTC923, Sepiapterin	PTC Therapeutics	Phenylketonuria	04/26	04/26
Gizewska, Maria
NCT05166161 / 2021-000497-28: A Long-Term Safety Study of PTC923 in Participants With Phenylketonuria	Recruiting	3	200	Europe, Canada, Japan, US, RoW	PTC923, Sepiapterin	PTC Therapeutics	Phenylketonuria	04/26	04/26