hypothalamic damage hypothalamic dysfunction
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: having pituitary insufficiency and suspicion of hypothalamic damage or having pituitary insufficiency and no suspicion of hypothalamic damage or (in case of controls) being healthy age between 18-75 years old
Exclusion criteria
Exclusion criteria: *Unwilling or unable to provide informed consent *Serious neuropsychiatric problems *Use of medication which interferes with serotonin metabolism (e.g. psychotropic medication like SSRIs or other antidepressants) and dopamin metabolism *Life-time ecstasy, amphetamine or cocaine use *Intravenous drug abuse *Participation in another study associated with exposure to ionizing radiation during the last 12 months *Pregnancy *Contra-indication for MRI
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Difference in binding ratio in the hypothalamus of the radioligand [123I]FP-CIT to serotonin transporters between subjects with pituitary insufficiency and clinical suspect for hypothalamic damage, subjects with hypopituitarism without suspicion of hypothalamic damage and healthy age- and gender matched controls. | — |
Secondary
| Measure | Time frame |
|---|---|
| To define the optimal time-point of assessing central serotonin transporter binding with FP-CIT SPECT after injection of the radiotracer. | — |
Countries
Netherlands