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Understanding Lifespan Trajectories of Social Cognition, Brain Microstructure and Iron Dysregulation in Schizophrenia

23 settembre 2026 aggiornato da: Beatrice Frajo-Apor, Medical University Innsbruck

SilverMinds - Lifespan Trajectories of Social Cognition and Iron Dysregulation in Schizophrenia

This study aims to better understand how schizophrenia may affect social thinking, emotion regulation, brain function, and biological processes over time.

Two groups will take part in the study:

  1. people diagnosed with schizophrenia
  2. healthy adults without schizophrenia

Participants in both groups will complete a series of behavioral tasks and questionnaires. These will assess abilities such as understanding other people, processing social information, and regulating emotions. For participants with schizophrenia, we will also assess clinical symptoms and their severity.

The study includes three assessment visits:

  1. Baseline: at the beginning of the study
  2. 12-month follow-up: approximately one year later
  3. 24-month follow-up: approximately two years later

At all three visits, participants will complete behavioral tests and questionnaires, and blood and hair samples will be collected. These samples may help researchers investigate biological factors that are related to mental health, stress, and changes over time.

Participants will also undergo an MRI brain scan at the baseline visit and again at the 12-month follow-up.

People with schizophrenia may experience changes in thinking, emotions, social functioning, physical health, and brain function across adulthood. However, we still do not fully understand how these changes develop over time or how they differ from normal aging.

By comparing people with schizophrenia with healthy adults of different ages and following them over time, we can study possible differences in aging trajectories. This means examining whether certain abilities, symptoms, biological markers, or brain characteristics change differently with age in people with schizophrenia.

The study uses an accelerated longitudinal design. Instead of following one group of people for many decades, researchers recruit participants from different age groups and follow them for a shorter period. Combining information across these age groups can help researchers estimate longer-term patterns of change.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Tipo di studio

Osservativo

Iscrizione (Stimato)

180

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

    • Tyrol
      • Innsbruck, Tyrol, Austria, 6020
        • Reclutamento
        • Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology; Medical University of Innsbruck
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 70 anni (Adulto, Adulto più anziano)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

Participants with SZ will be recruited through multiple clinical pathways to ensure adequate sample size and representativeness across the adult lifespan. The primary recruitment source is the specialized outpatient clinic for SZ spectrum disorders at the Department of Psychiatry, MUI, which serves a large catchment area and maintains detailed diagnostic records. Additional participants will be recruited through a collaborating psychiatric hospital and office-based psychiatrists and psychosocial service providers in the region, with whom the Dep. of Psychiatry maintains established referral networks. Patients in the SZ group must have a DSM-5 diagnosis of schizophrenia confirmed by their treating psychiatrist. HC participants will be recruited through advertisements in online platforms, social media, and community outreach.

Descrizione

Inclusion criteria (all participants):

age 18-70 years at baseline; normal or corrected-to-normal vision; sufficient hearing; fluency in German; willingness and ability to understand and comply with study procedures. Participants must either be healthy adults without any mental health disorder (HC) or have a confirmed DSM-5 diagnosis of SZ.

Inclusion criteria (SZ only):

clinical stability at assessment, defined as no clinically significant change in psychopathological symptoms and no modification of pharmacotherapy for at least three months prior to study entry, as confirmed by the treating psychiatrist; full remission is not required.

Exclusion criteria (all participants):

incapacity to consent; current or lifetime history of brain surgery or epilepsy; MRI contraindications (unremovable metal parts in the upper body, active implants, claustrophobia); current or past substance abuse disorder (excluding caffeine and nicotine); pregnancy.

Exclusion criteria (HC only):

any current or lifetime Axis I psychiatric disorder; first-degree relative with an Axis I disorder; any neurological disorder or other mental health condition; current or past use of psychotropic medication.

Additional Eligibility Criteria for Cycle-Timed Neuroimaging:

To minimize hormonal confounding of emotion-regulation-related neural measures, menstruating female participants will be scanned in the early follicular phase (cycle days 1-6), requiring regular menstrual cycles (21-35 days) and a negative pregnancy test at relevant visits.

Use of hormonal contraception will be recorded.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Modelli osservazionali: COHORT
  • Prospettive temporali: PROSPECTIVE

Coorti e interventi

Gruppo / Coorte
Schizophrenia Group

Group of people with a diagnosis of schizophrenia confirmed by their treating psychiatrist.

Healthy control group

Group absent of any Axis-I Diagnosis

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in Theory of Mind performance
Lasso di tempo: Baseline, 12 months, and 24 months

Theory of Mind will be assessed using the EmpaToM task. The outcome will include performance-based indices of cognitive and affective Theory of Mind. Higher scores indicate better ability to infer and understand the mental states of others.

Baseline, 12 months, and 24 months
Change in attributional style
Lasso di tempo: Baseline, 12 months, and 24 months

Attributional style will be assessed using the Internal, Personal and Situational Attributions Questionnaire-Revised. The outcome will measure tendencies to attribute positive and negative social events to internal, personal-external, or situational-external causes; aswell as monocausal-inference-style.

Baseline, 12 months, and 24 months
Change in emotion recognition performance
Lasso di tempo: Baseline, 12 months, and 24 months

Emotion recognition will be assessed using the DiagnosIS Emotion Recognition Task. The outcome will measure accuracy in identifying facial emotional expressions. Higher scores indicate better emotion recognition performance.

Baseline, 12 months, and 24 months
Change in Emotion Regulation Choice
Lasso di tempo: Baseline, 12 months, 24 months

The Emotion Regulation Choice Task is a behavioral paradigm used to examines whether individuals adapt their choice of emotion regulation strategy according to the intensity of negative emotional stimuli.

It will be used to assess the change in the degree to which strategy choice changes as a function of emotional intensity.

Baseline, 12 months, 24 months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in reflective functioning
Lasso di tempo: Baseline, 12 months, and 24 months

Reflective functioning will be assessed using the Reflective Functioning Questionnaire. The outcome will measure certainty and uncertainty about mental states. Scores will be analyzed according to the scoring rules of the instrument.

Baseline, 12 months, and 24 months
Change in self reported Emotion Regulation
Lasso di tempo: Baseline, 12 months, 24 months

Self reported emotion regulation will be assessed using the Emotion Regulation Questionnaire (ERQ). The ERQ is a 10-item self-report measure assessing the habitual use of two emotion-regulation strategies: cognitive reappraisal and expressive suppression.

Baseline, 12 months, 24 months
Change in global cognitive functioning
Lasso di tempo: Baseline, 12 months, and 24 months

Global cognition will be assessed using the Screen for Cognitive Impairment in Psychiatry. The outcome will provide a standardized measure of cognitive functioning across domains including verbal learning, working memory, verbal fluency, and processing speed. Higher scores indicate better cognitive performance.

Baseline, 12 months, and 24 months
Change in daily functioning and disability
Lasso di tempo: Baseline, 12 months, and 24 months

Daily functioning and disability will be assessed using the World Health Organization Disability Assessment Schedule 2.0. The outcome will measure functioning across cognition, mobility, self-care, interpersonal relationships, life activities, and participation in society. Higher scores indicate greater disability.

Baseline, 12 months, and 24 months
Change in brain iron distribution measured by quantitative susceptibility mapping
Lasso di tempo: Baseline and 12 months

Brain iron distribution will be assessed using quantitative susceptibility mapping (QSM) derived from multi-echo gradient echo MRI.

Baseline and 12 months
Change in R2* relaxometry measures of brain iron-sensitive signal
Lasso di tempo: Baseline and 12 months

R2* values will be derived from multi-echo gradient echo MRI as an iron-sensitive neuroimaging measure.

Baseline and 12 months
Change in white matter microstructure
Lasso di tempo: Baseline and 12 months

White matter microstructure will be assessed using diffusion-weighted MRI. Outcomes will include fractional anisotropy, mean diffusivity, radial diffusivity, and axial diffusivity.

Baseline and 12 months
Change in resting-state functional connectivity
Lasso di tempo: Baseline and 12 months

Resting-state functional connectivity will be assessed using resting-state functional MRI.

Baseline and 12 months
Change in extracellular vesicle-derived redox markers
Lasso di tempo: Baseline, 12 months, and 24 months

Neuronally derived extracellular vesicles will be isolated from plasma samples.

Baseline, 12 months, and 24 months
Change in hair proteomic signatures
Lasso di tempo: Baseline, 12 months, and 24 months

Hair samples will be analyzed using untargeted proteomic profiling. Outcomes will include proteomic signature related to oxidative stress, antioxidant defense, inflammation, mitochondrial bioenergetics, systemic stress, and biological aging.

Baseline, 12 months, and 24 months
Change in hair cortisol concentration
Lasso di tempo: Baseline, 12 months, and 24 months

Hair cortisol concentration will be measured from scalp hair samples as an index of cumulative hypothalamic-pituitary-adrenal axis activity over the preceding months. Higher values indicate higher cumulative cortisol exposure.

Baseline, 12 months, and 24 months
Change in psychopathological symptom severity
Lasso di tempo: Baseline, 12 months, and 24 months

Psychopathological symptoms in participants with schizophrenia will be assessed using the Positive and Negative Syndrome Scale. The outcome will include total and subscale scores for positive symptoms, negative symptoms, and general psychopathology. Higher scores indicate greater symptom severity.

Baseline, 12 months, and 24 months
Change in negative symptom severity
Lasso di tempo: Baseline, 12 months, and 24 months

Negative symptoms will be assessed using the Brief Negative Symptom Scale. The outcome will measure negative symptom domains including anhedonia, asociality, avolition, blunted affect, and alogia. Higher scores indicate greater negative symptom severity.

Baseline, 12 months, and 24 months

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Collaboratori

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 settembre 2026

Completamento primario (Stimato)

1 settembre 2030

Completamento dello studio (Stimato)

30 settembre 2030

Date di iscrizione allo studio

Primo inviato

23 settembre 2026

Primo inviato che soddisfa i criteri di controllo qualità

23 settembre 2026

Primo Inserito (Effettivo)

2 ottobre 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

2 ottobre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

23 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • SilverMinds

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .