Study: NCT06728761

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Standardised test meal
Description: Ingestion of a 1850 Kcal standardised 'Christmas meal' identical for each session. It will consist of the following elements Assortment of Picard Mini-Puff Pastry Aperitifs: 70g = 210 Kcal 1 glass of white wine = 85 Kcal with the aperitif~1 slice of vacuum-packed foie gras = 50 g = 230 Kcal~1 portion of turkey leg 200 g = 250 Kcal 50 g turkey cream = 130 Kcal~1 portion of steamed potatoes = 200 g = 160 Kcal~1 glass of red wine = 85 Kcal to accompany the main course~1 slice of white bread (30 g) = 55 Kcal to eat with the main course Blind test or control drink (trou normand or placebo = water) / 1 scoop of apple sorbet~1 portion 30 g camembert = 90 Kcal + White bread 1 slice (30 g) = 85 Kcal with the cheese~1 portion crumble 100 g = 250 Kcal The different elements will be weighed for each participant.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Standardised test meal
Description: Ingestion of a 1850 Kcal standardised 'Christmas meal' identical for each session. It will consist of the following elements Assortment of Picard Mini-Puff Pastry Aperitifs: 70g = 210 Kcal 1 glass of white wine = 85 Kcal with the aperitif~1 slice of vacuum-packed foie gras = 50 g = 230 Kcal~1 portion of turkey leg 200 g = 250 Kcal 50 g turkey cream = 130 Kcal~1 portion of steamed potatoes = 200 g = 160 Kcal~1 glass of red wine = 85 Kcal to accompany the main course~1 slice of white bread (30 g) = 55 Kcal to eat with the main course Blind test or control drink (trou normand or placebo = water) / 1 scoop of apple sorbet~1 portion 30 g camembert = 90 Kcal + White bread 1 slice (30 g) = 85 Kcal with the cheese~1 portion crumble 100 g = 250 Kcal The different elements will be weighed for each participant.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Ingestion of test drink
Description: Ingestion of 2,5 cl Calvados 40° at the 70th min of the meal (before cheese and dessert)

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Ingestion of Control drink
Description: Ingestion of 2,5 cl water at the 70th min of the meal (before cheese and dessert)

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Ultrasound measurement of the antral area
Description: Ultrasound measurement of the antral area in the volunteers lying in the 45° semi-recumbent position using an ultrasound machine (Venue Go™, GE Healthcare, Chicago, IL, USA) fitted with an abdominal transducer (probe C1-5, 1.5 to 5 MHz) to obtain a sagittal cross-section of the antrum in a plane including the left lobe of the liver and the aorta. This will be performed during the intake visit, immediately before the test drink ingestion (70th min of the meal) and 15, 45, 60, 90, 120, 150, 180 min after the end of the meal

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: Ultrasound measurement of the antral area
Description: Ultrasound measurement of the antral area in the volunteers lying in the 45° semi-recumbent position using an ultrasound machine (Venue Go™, GE Healthcare, Chicago, IL, USA) fitted with an abdominal transducer (probe C1-5, 1.5 to 5 MHz) to obtain a sagittal cross-section of the antrum in a plane including the left lobe of the liver and the aorta. This will be performed during the intake visit, immediately before the test drink ingestion (70th min of the meal) and 15, 45, 60, 90, 120, 150, 180 min after the end of the meal

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Breathalyser for measurement of the level of exhaled ethanol
Description: Breathalyser performed during the intake visit, and 15, 90, 180 and 300 min (if the exhaled alcohol level measured at 180 minutes was greater than 0.25 mg/l of breath) after the end of the meal.