NCT05461560

Effects of Seaweed Extract on Blood Glucose Response to Sucrose

Investigating the Effects of Seaweed Extract on Postprandial Blood Glucose Response to Sucrose in Healthy Subjects

• Status: Unknown
• Phase: N/A
• Study type: Interventional
• Enrollment: 20 (estimated)
• Sponsor: University College Dublin · Academic / Other
• Sex: All
• Age: 18 Years – 60 Years
• Healthy volunteers: Accepted

Summary

This study will examine the impact of the seaweed (Ascophyllum nodosum) extract on blood glucose levels after a sugary drink in healthy subjects. The aim of this study is to investigate if the seaweed extract, when consumed with the sucrose, can lower blood glucose levels, compared to the raise after sucrose only, in healthy volunteers. The study is designed as an acute, double-blind, randomised, controlled crossover trial in 16 healthy subjects. Participants will be asked to consume sucrose solution or sucrose solution with added seaweed extract.The effects on blood glucose levels will be determined over 2 hours after the consumption.

Detailed description

Blood glucose levels after a meal rich in sugars depend, among other factors, on the activity of enzymes that digest sugar molecules to glucose. Epidemiological studies suggest that glucose levels after a meal higher than normal, present a great risk for the onset of cardiovascular diseases. Slowing the digestion of sugar through the inhibition of digestion enzymes have been demonstrated as a successful approach in preventing postprandial hyperglycaemia either with pharmacological agents (acarbose, miglitol) or natural dietary compounds. We demonstrated, in preclinical in vitro experiments, the unique potential of tested seaweed extract to inhibit rat sucrase. This study will examine the potential of the seaweed extract to modulate blood glucose levels after a sucrose drink in healthy subjects . The aim of this study is to investigate if the seaweed extract, when consumed with sucrose, can lower blood glucose levels, compared to the raise after sucrose only. The study is designed as an acute, double-blind, randomised, controlled crossover trial in 16 healthy subjects. Participants will be asked to consume sucrose solution or sucrose solution with added seaweed extract.The effects on blood glucose levels (in capillary blood) will be determined over 2 hours after the consumption. All participants will be characterized for the activity of salivary a-amylase

Conditions

• Glucose Intolerance
• Diabetes Mellitus, Type 2
• Healthy Diet
• Postprandial Hyperglycemia

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	Sucrose solution	50 g of sucrose dissolved in 500 ml of tap water
DIETARY_SUPPLEMENT	Seaweed extract in sucrose solution	1 g of seaweed extract in solution of 50 g of sucrose in 500 ml of tap water

Timeline

• Start date: 2021-12-05
• Primary completion: 2022-08-31
• Completion: 2022-12-31
• First posted: 2022-07-18
• Last updated: 2022-07-19

Locations

1 site across 1 country: Ireland