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Efeitos do volume de bebidas, concentração de glicerol e concentração de sódio no equilíbrio do fluido em homens e mulheres eu -hidratados saudáveis ​​em repouso

16 de setembro de 2026 atualizado por: 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.

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Tipo de estudo

Intervencional

Inscrição (Real)

60

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

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

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos a 50 anos (Adulto)

Aceita Voluntários Saudáveis

Sim

Gêneros Elegíveis para o Estudo

Tudo

Descrição

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.

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Outro
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição cruzada
  • Mascaramento: Quadruplicar

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Comparador de Placebo: 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.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Fluid balance
Prazo: 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

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Urine mass
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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)
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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)
Prazo: 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
Prazo: Screening visit

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

Screening visit
Adverse Events
Prazo: 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)

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Investigadores

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

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

18 de julho de 2025

Conclusão Primária (Real)

2 de dezembro de 2025

Conclusão do estudo (Real)

2 de dezembro de 2025

Datas de inscrição no estudo

Enviado pela primeira vez

19 de fevereiro de 2025

Enviado pela primeira vez que atendeu aos critérios de CQ

28 de fevereiro de 2025

Primeira postagem (Real)

3 de março de 2025

Atualizações de registro de estudo

Última Atualização Postada (Real)

21 de setembro de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

16 de setembro de 2026

Última verificação

1 de setembro de 2026

Mais Informações

Termos relacionados a este estudo

Outros números de identificação do estudo

  • PEP-2420

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .