Thanks are due to Torrent Pharmaceuticals, Mexico for providing both memantine and valproate for this study.
Author contributions
DVG: Conceptualization, Resources, Data curation, Writing—original draft, Writing—review & editing. IRL: Conceptualization, Writing—review & editing. AON: Investigation, Writing—review & editing. FRR: Resources. HGHR and JMSM: Formal analysis. All authors read and approved the submitted version.
Conflicts of interest
The authors declare that they have no conflicts of interest.
Ethical approval
The protocol study was approved by the Research and Ethics committees of Hospital Central (no. 74-19). It was also registered in the National Institutes of Health Clinical Trials of the United States (registration NCT04698525 for clinical trials) and complied with the Declaration of Helsinki and its later amendments.
Consent to participate
Informed consent to participate in the study was obtained from all participants.
Consent to publication
Informed consent to publication was obtained from relevant participants.
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