Protein Before Duodenal Fat Amplifies the Satiety Response in Healthy Men

Protein preload before duodenal fat infusion enhanced satiety and reduced energy intake compared to fat alone, with greater CCK and GLP-1 responses — supporting protein-fat meal sequencing for appetite control.

Oesch, Sibylle et al.·American journal of physiology. Regulatory·2005·Strong EvidenceRCT
RPEP-01072RCTStrong Evidence2005RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
RCT
Evidence
Strong Evidence
Sample
Not reported

What This Study Found

Protein preload before duodenal fat perfusion in healthy men amplified satiety, enhanced CCK/GLP-1 release, and reduced subsequent energy intake compared to fat alone — supporting strategic macronutrient sequencing for appetite management.

Key Numbers

How They Did This

RCT study on bioactive-food-peptides, weight-loss.

Why This Research Matters

Relevant for bioactive-food-peptides, weight-loss.

The Bigger Picture

Advances peptide research with clinical implications.

What This Study Doesn't Tell Us

See abstract.

Questions This Raises

  • ?Further research needed.
  • ?Clinical translation to evaluate.

Trust & Context

Key Stat:
Key finding Protein preload before duodenal fat perfusion in healthy men amplified satiety, enhanced CCK/GLP-1 release, and reduced subsequent energy intake compa
Evidence Grade:
strong evidence.
Study Age:
Published in 2005.
Original Title:
Effect of a protein preload on food intake and satiety feelings in response to duodenal fat perfusions in healthy male subjects.
Published In:
American journal of physiology. Regulatory, integrative and comparative physiology, 289(4), R1042-7 (2005)
Database ID:
RPEP-01072

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study
What do these levels mean? →

Frequently Asked Questions

What was studied?

Protein Before Duodenal Fat Amplifies the Satiety Response in Healthy Men

What was found?

Protein preload before duodenal fat infusion enhanced satiety and reduced energy intake compared to fat alone, with greater CCK and GLP-1 responses — supporting protein-fat meal sequencing for appetite control.

Read More on RethinkPeptides

Cite This Study

RPEP-01072·https://rethinkpeptides.com/research/RPEP-01072

APA

Oesch, Sibylle; Degen, Lukas; Beglinger, Christoph. (2005). Effect of a protein preload on food intake and satiety feelings in response to duodenal fat perfusions in healthy male subjects.. American journal of physiology. Regulatory, integrative and comparative physiology, 289(4), R1042-7.

MLA

Oesch, Sibylle, et al. "Effect of a protein preload on food intake and satiety feelings in response to duodenal fat perfusions in healthy male subjects.." American journal of physiology. Regulatory, 2005.

RethinkPeptides

RethinkPeptides Research Database. "Effect of a protein preload on food intake and satiety feeli..." RPEP-01072. Retrieved from https://rethinkpeptides.com/research/oesch-2005-effect-of-a-protein

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.