cognitive decline dementia
Conditions
Interventions
Once only administration (orally) of 1,5 gram AMPT (challenge). In advance en
afterwards determination of parameters in blood and urine.
4 week AMPT trial of twice daily administration of 0,5 gram AM
Sponsors
Academisch Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Possession of del 22q11.2 Premorbid IQ of above 70 en now below 55 Premorbid IQ below 55 Only for the intervention group: serious behavioural and/or refractory psychiatric problems to treatment so far
Exclusion criteria
Exclusion criteria: pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| In plasma (T0,3,6) : HVA, MHPG, VMA, prolactine, level AMPT, proline In urine (T0,6): HVA, MHPG, VMA, dopamine and norepinephrine, proline Genotype (DNA isolation T0): COMT Val/Met polymorphism, other COMT polymorphisms. COMT enzyme activity in erytrocytes or lymphocytes | — |
Secondary
| Measure | Time frame |
|---|---|
| Extrapyridamal side effects; IQ; Dementia rating scales (DMR and DSDS); psychiatric symptomatology (PASSAD); behaviour checklists (ABCL and SGZ); IQ measurements with Wechsler IQ scales | — |
Countries
Netherlands
Outcome results
None listed