Randomized controlled trial of the glycine transporter 1 inhibitor PF-03463275 to enhance cognitive training and neuroplasticity in schizophrenia
Surti T, Ranganathan M, Johannesen J, Gueorguieva R, Deaso E, Kenney J, Krystal J, D'Souza D. Randomized controlled trial of the glycine transporter 1 inhibitor PF-03463275 to enhance cognitive training and neuroplasticity in schizophrenia. Schizophrenia Research 2023, 256: 36-43. PMID: 37141764, PMCID: PMC10257994, DOI: 10.1016/j.schres.2023.04.010.Peer-Reviewed Original ResearchConceptsGlycine transporter 1Cytochrome P450 2D6 extensive metabolizersGlyT1 inhibitorsWeeks of washoutWeeks of CTMedication adherenceReceptor hypofunctionImpaired neuroplasticityPharmacodynamic variabilityNMDAR functionExtensive metabolizersTreatment periodPsychotic symptomsStable outpatientsCognitive impairmentGlyT1 occupancyTransporter 1CTNeuroplasticityCognitive training strategiesSchizophreniaComputerized CTCognitive performanceAugmentation studiesGreater improvementEfficacy and Safety of Iclepertin (BI 425809) in Patients With Schizophrenia: CONNEX, A Phase III Randomized Controlled Trial Program
Wunderlich G, Blahova Z, Hake S, Ikezawa S, Marder S, Falkai P, Krystal J. Efficacy and Safety of Iclepertin (BI 425809) in Patients With Schizophrenia: CONNEX, A Phase III Randomized Controlled Trial Program. CNS Spectrums 2023, 28: 229-229. DOI: 10.1017/s1092852923001530.Peer-Reviewed Original ResearchCognitive impairmentEfficacy endpointVirtual Reality Functional Capacity Assessment ToolCognitive symptomsPlacebo-controlled parallel-group trialKey secondary efficacy endpointsN-methyl-D-aspartate receptorsSafety extension studyPrimary efficacy endpointSecondary efficacy endpointsParallel-group trialPhase II trialPoor functional outcomeComposite T-scoreMulti-center studyPhase III programRole of glutamateLong-term safetyScale total scoreDemonstration of efficacyGlycine transporter 1Industry-sponsored studiesCapacity assessment toolII trialTolerability dataEfficacy and safety of iclepertin (BI 425809) in patients with schizophrenia: CONNEX, a Phase III randomised controlled trial programme
Falkai P, Reuteman-Fowler C, Blahova Z, Ikezawa S, Marder S, Krystal J. Efficacy and safety of iclepertin (BI 425809) in patients with schizophrenia: CONNEX, a Phase III randomised controlled trial programme. European Psychiatry 2023, 66: s637-s637. PMCID: PMC10661489, DOI: 10.1192/j.eurpsy.2023.1325.Peer-Reviewed Original ResearchCognitive impairmentEfficacy endpointVirtual Reality Functional Capacity Assessment ToolCognitive symptomsJazz PharmaceuticalsPlacebo-controlled parallel-group trialBoehringer IngelheimKey secondary efficacy endpointsN-methyl-D-aspartate receptorsSafety extension studyPrimary efficacy endpointSecondary efficacy endpointsParallel-group trialPhase II trialPoor functional outcomeComposite T-scorePhase III programRole of glutamateLong-term safetyScale total scoreGrant/research supportDemonstration of efficacyGlycine transporter 1Industry-sponsored studiesCapacity assessment tool