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This study examines the effect of a supplement called MitoQ compared with placebo in people with early-phase schizophrenia-spectrum disorder and mitochondrial dysfunction. Patients aged 18-35 who have been in treatment for psychosis for less than five years may take part. The study is being conducted in Phase 2/Phase 3 and is currently recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * Male or female aged 18 to 35 years old * Patients who have been diagnosed with one of the following schizophrenia-spectrum disorders: schizophreniform disorder, schizophrenia, schizoaffective disorder, unspecified psychosis. * Less than five years in treatment for psychosis (note that the duration of psychosis may be longer than 5 years, but this is more difficult to ascertain and therefore less reliable as an inclusion criterion). * PANSS score \< 75 * Ability to provide informed consent. Exclusion Criteria: * Meeting DSM-5 criteria for any substance use disorder diagnosis in the past 6 months will be exclusionary EXCEPT tobacco and mild/moderate cannabis use disorder, which will be included * Any acute medical condition requiring actively changing treatment (e.g., autoimmune disorders, acute infections, HIV/AIDS, cancer, renal failure, hepatic dysfunction, cardiovascular disease, or abnormal thyroid findings). Individuals with chronic medical conditions that are stable will not be excluded (e.g., person with hypothyroidism who is taking thyroid hormone replacement and has TSH levels within the normal range; person with well-managed diabetes; etc.) * Epilepsy or another seizure disorder * Intellectual disability (e.g., history of IQ \< 70). * Under legal guardianship * Not English speaking. The questionnaires, instruments, cognitive assessments used in this research study have not been translated, validated, or studied extensively in non-English-speaking individuals. For this reason, we will not enroll individuals who do not speak English to maintain validity in the study. * MitoQ allergy * Treatment with antioxidants: omega3 (fish oil), Vitamin E, Vitamin C, multivitamins, NAC (N-acetyl cysteine) within the last 14 days. If the treatment is taken without prescription, we will ask the patient to stop using it for at least 14 days to become eligible for the present study. * Children and adolescents, pregnant women, women who have the intention to become pregnant during the course of the study, and breastfeeding women are excluded from the study. This is because no MitoQ pharmacokinetic data are available in pediatric populations, pregnancy or breastfeeding. * Lack of safe contraception, defined as: female participants of childbearing potential, not using and not willing to continue using a medically reliable method of contraception for the entire study duration, such as oral, injectable, implantable contraceptives, or intrauterine contraceptive devices, or who are not using any other method considered sufficiently reliable by the investigator in individual cases. Female participants who are surgically sterilized/hysterectomized or post-menopausal for longer than 2 years are not considered as being of childbearing potential. * Enrollment of study staff, their family members, and other dependent persons