Memantine Augmentation of Targeted Cognitive Training in Schizophrenia

Status Recruiting

Clinical Trial Summary

Treatment of schizophrenia currently includes antipsychotic medications and cognitive therapies which improve some symptoms, but do not sufficiently restore cognitive functioning or reduce psychosocial disability. We hypothesize that medications that specifically target sensory information processing deficits, rather than psychotic symptoms per se, will significantly enhance the benefits of a sensory-based targeted cognitive training (TCT) intervention in patients with schizophrenia. We will complete a randomized, double-blind clinical trial to: 1) confirm that the drug memantine augments TCT learning; 2) determine whether memantine enhances the clinical benefits from a full 30 session course of TCT vs. TCT plus placebo in antipsychotic- medicated schizophrenia patients, and 3) determine if memantine's enhancement of TCT is most effective in biomarker-defined subgroups of patients.

Clinical Trial Description

Treatment of schizophrenia (SZ) currently includes antipsychotic medications and cognitive therapies which improve some symptoms, but do not sufficiently restore cognitive functioning or reduce psychosocial disability. We propose and will test a novel "augmentation strategy" for using medications to specifically enhance the benefits of targeted cognitive training (TCT) in schizophrenia. This project tests a rational and empirically supported platform for augmenting the benefits of TCT in antipsychotic medicated SZ patients by adjunctive daily treatment of 20 mg memantine, an FDA approved medication for the treatment of cognitive dysfunction in Alzheimer's Disease. We hypothesize that medications that specifically target sensory information processing deficits, rather than psychotic symptoms per se, will significantly enhance the benefits of a sensory-based targeted cognitive training (TCT) intervention in patients with schizophrenia. We will complete a randomized, double-blind clinical trial to: 1) confirm that the drug memantine augments TCT learning; 2) determine whether memantine enhances the clinical benefits from a full 30 session course of TCT vs. TCT plus placebo in antipsychotic- medicated schizophrenia patients, and 3) determine if memantine's enhancement of TCT is most effective in biomarker-defined subgroups of patients. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04857983
Study type	Interventional
Source	University of California, San Diego
Contact	Gregory A Light, Ph.D.
Phone	619-543-2496
Email	glight@health.ucsd.edu
Status	Recruiting
Phase	Phase 2/Phase 3
Start date	July 6, 2021
Completion date	December 30, 2024

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