To objectify UR biomarkers, we propose a longitudinal follow-up of resistant patients with schizophrenia, starting before the onset of clozapine and including a multimodal brain imaging assessment (T1 and T2 weighted sequences, DTI, ASL-Perfusion, fMRI- Rest) associated with clinical and biological monitoring. In order to correct the MRI signal of clozapine hemodynamic effects, we will develop a new MRI methodology based on the concomitant collection of physiological parameters (blood pressure, electrocardiogram and respiration).
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
functional resonance imaging: resting-state
Timeframe: baseline, Month 2 and Month 6