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Auswirkungen des Getränksvolumens, der Glycerinkonzentration und der Natriumkonzentration auf das Flüssigkeitsgewicht bei gesunden euhydrierten Männern und Frauen in Ruhe

16. September 2026 aktualisiert von: PepsiCo Global R&D

The presence of certain ingredients such as sodium and glycerol can facilitate retention of the fluid consumed via renal water reabsorption. To maintain overall whole-body fluid balance, it is important that ingested fluid is retained in the body instead of losing it through urination.

The purpose of this study is to determine the effect of sodium and glycerol concentrations at various fluid intake volumes on fluid balance in healthy, euhydrated men and women.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

60

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

    • Florida
      • Bradenton, Florida, Vereinigte Staaten, 34210
        • IMG Academy/GSSI Bradenton Gatorade Sports Science Institute
      • St. Petersburg, Florida, Vereinigte Staaten, 33705
        • GCP Research
    • New York
      • Valhalla, New York, Vereinigte Staaten, 10595
        • Gatorade Sports Science Institute

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 50 Jahre (Erwachsene)

Akzeptiert gesunde Freiwillige

Ja

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Subject is male or female
  • If female, subject is not pregnant
  • Subject is 18-50 years of age, inclusive
  • Subject is at least recreationally active (engaged in light to moderate-intensity, intermittent, or steady-state exercise at least 3 days per week for at least 30 min at a time)
  • Subject does not smoke (or has quit for at least 6 months)
  • Subject is not taking medication that may interfere with the study (e.g., diuretics)
  • Subject has no health conditions that would interfere with the study (e.g. cardiovascular, renal, or metabolic diseases)
  • Subject is willing to avoid alcohol consumption 24 hours prior to visit(s)
  • Subject is willing to fast overnight (~8-12 hours)
  • Subject is willing to refrain from vigorous exercise for 24 hours
  • Subject is willing to eat the exact same food the day prior to each visit to the laboratory
  • Provision of written consent to participate

Exclusion Criteria:

  • Subject has participated in a clinical trial within the past 30 days
  • Subject has participated in any PepsiCo trial within past 6 months
  • Subject has a condition or is taking medication that the investigator believes would interfere with his/her ability to provide informed consent, comply with the study protocol, which might confound the interpretation of the study results, or put the person at undue risk
  • Subject is employed by, or has a parent, guardian, or other immediate family member employed by a company that manufactures any products that compete with any Gatorade product. If subject is unsure if a company would be considered a competitor to Gatorade, they will be asked to please let the study investigator know the name of the other company and the nature of their relationship to that company before they sign the informed consent.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Sonstiges
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Placebo-Komparator: Placebo beverage

Base beverage, no electrolytes, no glycerol

9.3.oz 3 times for a total of 28 oz over a 35 min period followed by 25 min rest until Time 0 post-dose

Experimental: Electrolyte solution without glycerol beverage 1

Higher electrolytes lower volume

4 oz 3 times for a total of 12 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Electrolyte solution without glycerol beverage 2

Lower electrolytes mid-volume

6.7 oz 3 times for a total of 20 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Electrolyte solution without glycerol beverage 3

Higher electrolytes higher volume

9.3.oz 3 times for a total of 28 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Electrolyte solution with glycerol beverage 1

Lower electrolytes, lower glycerol, lower volume

4 oz 3 times for a total of 12 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Electrolyte solution with glycerol beverage 2

Higher electrolytes, higher glycerol, lower volume

4 oz 3 times for a total of 12 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Electrolyte solution with glycerol beverage 3

Higher electrolytes, higher glycerol, higher volume

9.3.oz 3 times for a total of 28 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Base with glycerol beverage 1

No electrolytes, higher glycerol, lower volume

4 oz 3 times for a total of 12 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Base with glycerol beverage 2

No electrolytes, lower glycerol, mid-volume

6.7 oz 3 times for a total of 20 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Experimental: Base with glycerol beverage 3

No electrolytes, higher glycerol, higher volume

9.3.oz 3 times for a total of 28 oz over a 35 min period followed by 25 min rest until Time 0 post-dose. Beverage matched to placebo for color and flavor.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Fluid balance
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

Calculated as change in body mass kg and %

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Urine mass
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

(g)

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Urine specific gravity
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

(au)

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Urine osmolality
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

(mosmol/kg)

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Whole blood hematocrit
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(%)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Whole blood hemoglobin concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(g/dl)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum sodium concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mmol/L)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum potassium concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mmol/L)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum chloride concentration (mmol/L)
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mmol/L)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum glucose concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mg/dl)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum glycerol concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mmol/L)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum copeptin concentration
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(pmol/L)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Serum osmolality
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes

(mosmol/kg)

Change from baseline (pre-beverage) to post-beverage Time 30, 90,150 and 210 minutes
Blood pressure
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

(systolic/diastolic) (mmHg)

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Heart rate
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

(bpm)

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Subjective measures of gastrointestinal discomfort and headache (VAS)
Zeitfenster: Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes

Rated on a 100 point scale from none to severe for headache, lightheaded, stomach upset, nausea, burping, stomach bloating, abdominal discomfort, stomach fullness, vomiting, diarrhea).

Change from baseline (pre-beverage) to post-beverage Time 30, 60, 90,120, 150,180 and 210 minutes
Menstrual categorization
Zeitfenster: Screening visit

Current status (e.g., contraception, regular periods or not, etc.)

Screening visit
Adverse Events
Zeitfenster: From Screening (Visit 1) through the fifth and final beverage testing day (Visit 6)

Documented changes in health and symptoms

From Screening (Visit 1) through the fifth and final beverage testing day (Visit 6)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Ermittler

  • Hauptermittler: Lindsay Baker, PhD, PepsiCo R&D/Gatorade and Sports Science Institute

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

18. Juli 2025

Primärer Abschluss (Tatsächlich)

2. Dezember 2025

Studienabschluss (Tatsächlich)

2. Dezember 2025

Studienanmeldedaten

Zuerst eingereicht

19. Februar 2025

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

28. Februar 2025

Zuerst gepostet (Tatsächlich)

3. März 2025

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

21. September 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

16. September 2026

Zuletzt verifiziert

1. September 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • PEP-2420

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .