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Assessment of microglial activation in patients with schizophrenia stratified for C4 complement by PET using [18F]DPA-714

Status
Recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504181-38-00
Acronym
C21-21
Enrollment
75
Registered
2023-05-26
Start date
2025-11-17
Completion date
Unknown
Last updated
2025-05-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pathology studied is schizophrenia

Brief summary

The main evaluation criterion is the level of microglial activation measured in PET with [ 18F]-DPA714 in the brain, which will be compared between groups according to the genotype of C4 weighted by the ancestral haplotype that carries it

Detailed description

- Regional cortical thicknesses as determined on anatomical MRI, Parameters of subcortical brain connectivity (variables derived from diffusion MRI such as fractional anisotropy and resting functional MRI such as functional connectivity) which will be compared between groups according to the C4 genotype., Lipid abnormalities (cholesterol, serum triglycerides), blood glucose, peripheral markers of inflammation (CRP, cytokines) and clinical parameters (abdominal tension, abdominal girth) will also be correlated to the level of microglial activation measured in PET

Interventions

Sponsors

Institut National De La Sante Et De La Recherche Medicale
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
The main evaluation criterion is the level of microglial activation measured in PET with [ 18F]-DPA714 in the brain, which will be compared between groups according to the genotype of C4 weighted by the ancestral haplotype that carries it

Secondary

MeasureTime frame
- Regional cortical thicknesses as determined on anatomical MRI, Parameters of subcortical brain connectivity (variables derived from diffusion MRI such as fractional anisotropy and resting functional MRI such as functional connectivity) which will be compared between groups according to the C4 genotype., Lipid abnormalities (cholesterol, serum triglycerides), blood glucose, peripheral markers of inflammation (CRP, cytokines) and clinical parameters (abdominal tension, abdominal girth) will also be correlated to the level of microglial activation measured in PET

Countries

France

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026