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The glutamate/GABA balance as novel therapeutic target for psychotic and cognitive symptoms in 22q11.2 deletion syndrome

The glutamate/GABA balance as novel therapeutic target for psychotic and cognitive symptoms in 22q11.2 deletion syndrome - Riluzole in 22q11.2 DS

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON52172
Enrollment
46
Registered
2021-06-21
Start date
2022-03-09
Completion date
Unknown
Last updated
2025-09-08

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

Conditions

Velocardiofacial syndrome (VCFS)

Interventions

All subjects will undergo two 8-week intervention periods, once with placebo and once with 100 mg. riluzole daily (50 mg. twice daily).

Sponsors

Medisch Universitair Ziekenhuis Maastricht
Lead Sponsor

Eligibility

Age
16 Years to 64 Years

Inclusion criteria

Inclusion criteria: • Confirmed diagnosis of 22q11.2 deletion syndrome established by FISH, microarray or MLPA analysis. • 16 year or older of age and mentally competent (determined by an experienced physician) to decide about participation and give informed consent. • 16 years, incompetent to provide written informed consent. In these cases consent will be obtained from the legal representative of the subject. • Presence of psychotic and/or cognitive symptoms (defined as a score of >=4, moderately ill, on the Clinical Global Impression-Schizophrenia Scale (CGI-SCH)).

Exclusion criteria

Exclusion criteria: • Other chromosomal abnormalities. • Current substance abuse / dependence. • Use of psychotropic medication and / or first-generation antipsychotics or clozapine, with the exception of second-generation antipsychotics. • Contraindications for MRI. • Pre-existing liver function disorders and / or ALAT/ASAT > 3x ULN. • Contraindications for riluzole. • Pregnancy, or trying to get pregnant and breastfeeding. • In case of mentally incompetent patients, resistance to participation will be an additional exclusion criterion.

Design outcomes

Primary

MeasureTime frame
The primary study endpoint will be the change in glutamate and GABA concentrations in the anterior cingulate cortex.

Secondary

MeasureTime frame
The secondary endpoint will be the change in psychotic and cognitive symptom severity.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)