Salmon Intake & Gut Health in Adults

Status Recruiting

Clinical Trial Summary

The overall objective of this project is to determine the interplay of salmon as a whole food and its bioactive compound astaxanthin on gut microbiome, fecal metabolome, and inflammation in obese prediabetic individuals. Our central hypothesis is that dietary bioactive astaxanthin in the form of whole food salmon will effectively reduce inflammation in obese prediabetic individuals, and favorably change the gut microbiota composition and diversity. The investigators anticipate that these changes will result in improved metabolic outcomes in obesity and type 2 diabetes. The two primary aims include: Aim 1: Assess the anti-inflammatory effect of the salmon dietary intervention and the underlying mechanisms on the change in plasma levels of inflammatory cytokines important for the host immune response. Aim 2: Identify whether the relationship between salmon consumption and decreased inflammation is mediated by the gut microbiome.

Clinical Trial Description

The goal of this project is to determine whether increased intake of salmon as a whole food and its bioactive compound astaxanthin has a causal impact on preventing inflammation by promoting human gut microbiome homeostasis. Findings from this study will provide new insights into maintenance of gut microbiome and will inform effective dietary recommendations and interventions, thereby reducing inflammation-associated diseases in humans. Aim: Evaluate the anti-inflammatory properties of astaxanthin-enriched salmon via re-balancing of human gut microbiome in obese prediabetic human subjects. The investigators will use a randomized, double-blind, crossover feeding study with 15 obese prediabetic males and 15 obese prediabetic females (n=30) . Participants will consume two servings (3 oz per serving) of wild salmon (intervention 1) and farmed salmon (intervention 2) daily in random orders. Each intervention is 4 weeks long and the washout duration between the two interventions is 5 weeks. Primary outcomes will be determined by measuring the inflammatory response and gut microbiota composition. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04792216
Study type	Interventional
Source	University of Colorado, Denver
Contact	Minghua Tang, PhD
Phone	303-724-3248
Email	minghua.tang@cuanschutz.edu
Status	Recruiting
Phase	N/A
Start date	August 1, 2021
Completion date	March 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Salmon Intake and Gut Health in Adults

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms