Effects of Age and Obesity on Brain Insulin Sensitivity
Palabras clave
Abstracto
fechas
Verificado por última vez: | 03/31/2020 |
Primero enviado: | 04/28/2020 |
Inscripción estimada enviada: | 04/28/2020 |
Publicado por primera vez: | 05/03/2020 |
Última actualización enviada: | 04/28/2020 |
Última actualización publicada: | 05/03/2020 |
Fecha de inicio real del estudio: | 04/27/2017 |
Fecha estimada de finalización primaria: | 09/29/2020 |
Fecha estimada de finalización del estudio: | 12/29/2020 |
Condición o enfermedad
Intervención / tratamiento
Other: Nasal insulin spray
Other: Placebo spray
Fase
Grupos de brazos
Brazo | Intervención / tratamiento |
---|---|
Active Comparator: Nasal insulin spray | Other: Nasal insulin spray single dose of 160 U of human insulin as nasal spray |
Placebo Comparator: Placebo spray | Other: Placebo spray Single dose of placebo solution as nasal spray |
Criterio de elegibilidad
Edades elegibles para estudiar | 20 Years A 20 Years |
Sexos elegibles para estudiar | All |
Acepta voluntarios saludables | si |
Criterios | Inclusion Criteria: - Body-Mass Index (BMI) between 19-35 kg/m2 - HbA1c ≤6.0% - normal glucose tolerance during 75g oral glucose tolerance test (OGTT) Exclusion Criteria: - Not removable metal parts in or on the body - manifest cardiovascular disease - claustrophobia - recent surgery (less than 3 months) - Simultaneous participation in other studies - Acute disease or infection within the last 4 weeks - neurological and psychiatric disorders - treatment with centrally acting drugs - hemoglobin Hb <13g / dl - Hypersensitivity to any of the substances used |
Salir
Medidas de resultado primarias
1. Brain insulin sensitivity in different age,weight and sex groups [30 minutes after administration of nasal insulin]
Medidas de resultado secundarias
1. Whole-body insulin sensitivity [2 hours]
2. Correlation with autonomous nervous system activity [10 - 150 minutes post nasal spray]
3. Correlation with cognitive function [1 hours]
4. Response to food cues [20 minutes]