investig.
What it isGlycine transporter type 1 inhibitor; failed in schizophrenia, now studied in erythropoietic protoporphyria.
Why this oneRaising synaptic glycine was the leading strategy for NMDA hypofunction in schizophrenia.
What limits itThe phase 3 schizophrenia program failed, which reframed the whole glycine hypothesis. Investigational only.
NO BOXED WARNINGS
Principal riskThe schizophrenia program failed in phase 3
