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Legume-Enriched Mediterranean Diet and Cellular Hydration in Competitive Swimmers

NCT07315529 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 39

Last updated 2026-01-02

No results posted yet for this study

Summary

This study investigates whether increasing legume consumption within a Mediterranean diet framework improves cellular hydration, autonomic regulation, and functional performance in competitive swimmers. Thirty-nine adolescent and young adult swimmers were monitored over a five-month competitive season under standardized training conditions. Participants were allocated to three groups according to habitual legume intake: a control group (\<1 serving/week, no dietary change), a moderate-intake group (≈2 servings/week increased to 3/week), and a high-intake group (≈3-4 servings/week increased to 6/week). Dietary counseling focused exclusively on adjusting legume intake, while overall training load and other dietary components were maintained. Primary outcomes include bioelectrical impedance-derived phase angle and body water distribution indices (extracellular water, intracellular water, ECW/ICW ratio) as markers of cellular health and hydration. Secondary outcomes include heart rate variability, cardiac coherence as indices of autonomic balance, and critical swim speed as a performance-related measure. The study aims to clarify whether a simple, sustainable increase in legume intake can support athletes' cellular integrity, autonomic function, and functional status without altering standard training programs.

Conditions

  • Diet Habits
  • Athlete

Interventions

OTHER

Legume-enriched Mediterranean diet

Adjustment of habitual legume intake within a Mediterranean diet pattern to 3 or 6 servings per week, without altering other dietary components or training regimen.

Sponsors & Collaborators

  • San Raffaele Telematic University

    lead OTHER

Study Design

Allocation
NON_RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-02-01
Primary Completion
2025-07-31
Completion
2025-07-31

Countries

  • Italy

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07315529 on ClinicalTrials.gov