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Biomarcadores de saúde imunológica e microbiota fecal em bebês filipinos amamentados

16 de setembro de 2026 atualizado por: Société des Produits Nestlé (SPN)

Biomarcadores de saúde imunológica e microbiota fecal em bebês filipinos amamentados: um estudo prospectivo e observacional

This will be a prospective observational study aiming to investigate immune health biomarkers and fecal microbiota in 48-60 Filipino breastfed infants from birth to 12 months of age. An optional follow-up period of approximately 2 years will follow.

Visão geral do estudo

Status

Ativo, não recrutando

Condições

Intervenção / Tratamento

Descrição detalhada

This will be a prospective observational study in healthy term infants who are exclusively breastfed. Approximately 48-60 healthy breastfed infants aged ≥14 to ≤35 days at enrollment will be recruited and followed up until 12 month of age at 6 on-site visits: V1 (baseline), V3 (2 months), V5 (4 months), V6 (6 month), V7 (10months) and V8 (12 months).

The 12-month observational period will be followed by a 2year optional follow-up period for a total duration of the study of approximately 3 years.

The primary objective of this clinical study is to characterize early immune system development in breastfed Filipino infants by investigating infant blood markers of systemic immunity.

The secondary objectives will include the characterization of infant fecal markers of immune health and gut barrier function, infant blood and fecal microbiome, interactions between immune development and microbiome maturation, infant fecal metabolic profile and fecal pH, infant gastrointestinal (GI) tolerance, infant anthropometric measurements, infant complementary food intake as well as infant illness and infection.

Tipo de estudo

Observacional

Inscrição (Real)

60

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

  • Filipinas
    • Manila
      • Manila, Manila, Filipinas, 1780
        • Asian Hospital and Medical Center

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

2 semanas a 1 mês (Filho)

Aceita Voluntários Saudáveis

Sim

Gêneros Elegíveis para o Estudo

Tudo

Método de amostragem

Amostra Não Probabilística

População do estudo

Approximately 60 healthy breastfed infants aged ≥14 to ≤35 days at enrollment. To ensure balanced sex representation of the study population, approximately 30 males and 30 females will be enrolled in the study.

Descrição

Inclusion Criteria:

  1. Written informed consent is obtained from parent(s)/ legally authorized representative(s) (LAR(s)).

  2. Parent(s)/ LAR(s) must be able to provide evidence of parental authority and identity.

  3. Parents/ LARs must understand the informed consent and other study documents.

  4. Infants whose parent(s)/ LAR (s) has consented to blood collection as per protocol.

  5. Able to temporarily store stool samples in a household freezer.

  6. Infants whose parent(s)/LAR(s) are willing and able to comply with scheduled visits, and the requirements of the study protocol.

  7. Infants whose parent(s)/LAR(s) can be contacted directly by telephone throughout the study.

  8. Infants must meet all the following inclusion criteria to be eligible for enrollment into the study:

    1. Healthy term infant (≥37 weeks of gestation)
    2. At enrollment visit, postnatal age ≥14 to ≤35 days (date of birth = day 0)
    3. Birth weight is appropriate for gestational age (i.e., ≥ 2500g and ≤ 4500g)
    4. Infant has exclusively received breastmilk from birth to enrollment, and parent intends to continue exclusive breastmilk feeding until infant age 6 months.

Exclusion Criteria:

  1. A medical condition or history that could increase the risk associated with study participation or interfere with the interpretation of study results, including:

    1. Evidence of major congenital malformations (e.g., cleft palate, extremity malformation).
    2. Suspected or documented systemic or congenital infections (e.g., human immunodeficiency virus, cytomegalovirus, syphilis).
    3. Previous or ongoing severe medical or laboratory abnormality (acute or chronic) which, in the judgment of the investigator, would make the infant inappropriate for entry into the study. Of note, children who are normally healthy but at the time of enrolment suffering from acute illness in a minor condition which are common in childhood and do not require some of the exclusionary medication mentioned below can be enrolled.

  2. Presently receiving or have received prior to enrolment any of the following: medication(s) or supplement(s) which are known or suspected to affect the following: fat digestion, absorption, and/or metabolism (e.g., pancreatic enzymes); stool microbiota and characteristics (e.g., oral, or systemic antibiotics, glycerin suppositories, bismuth-containing medications, docusate, Maltsupex, or lactulose); growth (e.g., insulin or growth hormone); gastric acid secretion.

  3. Infants whose parent(s) has(ve) not reached legal age of majority (18 years old) upon enrollment.

  4. Currently participating or having participated in any interventional clinical trials since birth.

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

  • Modelos de observação: OTHER
  • Perspectivas de Tempo: PROSPECTIVE

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Markers of systemic immunity
Prazo: Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months and 12months

Descriptive statistics of plasma immune proteomics using mass cytometry or immunoassays, and vaccine-specific antibodies assessed by ELISA
Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months and 12months

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Fecal markers of immune health and gut barrier
Prazo: Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12 months
  • Fecal markers of immune health and gut barrier, such as but not restricted to calprotectin and α-1-antitrypsin assessed by ELISA or alternative methods
  • Fecal cytokine profile using multiplex assays
Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12 months
Infant fecal microbiome
Prazo: Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12months

Microbiota composition, diversity, community types, and abundance of bacteria taxa
Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12months
Fecal metabolic profile and pH
Prazo: Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12 months

pH and fecal organic acids, such as lactate, propionate, butyrate, acetate, valerate and total fecal organic acids, in wet stool weight and per dry stool weight
Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, 10 months and 12 months
Plasma Metabolomics
Prazo: Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, and 12 months

Untargeted Plasma metabolomics Analyses
Infant age ≥14 to ≤35 days, 2 months, 4 months, 6 months, and 12 months
GI Tolerance
Prazo: Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months
  • Stool frequency and consistency, GI symptoms and GI-related behaviors collected via 1-day and 3-day GI Symptom and Behavior Diaries
  • GI burden score derived from the Infant Gastrointestinal Symptom Questionnaire (IGSQ-13)
Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months
Weight
Prazo: Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months

Measurement of weight in grams
Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months
Length
Prazo: Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months

Measurement of length in cm
Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months
Head circumference
Prazo: Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months

Measurement of head circumference in cm
Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months
Z-scores and percentiles
Prazo: Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months.

Changes in weight-for-age, weight-for-length, length-for-age, BMI-for-age, and head-circumference-for-age z-scores and percentiles calculated according to WHO standards
Infant age ≥14 to ≤35 days, 1.5 months, 2 months, 3 months, 4 months, 6 months, 10 months and 12 months.
Infant illness and infection
Prazo: Infant age 6 months

Descriptive data and overall score derived from the Pediatric Immune System Index Questionnaire completed by parents
Infant age 6 months
Infant Complementary Food Intake
Prazo: Infant age 6-12months

Descriptive data from complementary food questionnaire and 3-day food record
Infant age 6-12months
Long-term infant illness (during the optional follow-up)
Prazo: Infant age 12 months, 18 months, 24 months, 30 months, and 36 months

Descriptive data from the Infant Illness Questionnaire completed by parents
Infant age 12 months, 18 months, 24 months, 30 months, and 36 months

Outras medidas de resultado

Medida de resultado
Descrição da medida
Prazo
Incidence of Adverse Events
Prazo: From infant age ≥14 to ≤35 days to 12 months

Incidents of adverse events from time of ICF signing at baseline, age ≥14 to ≤35 days, through the last study visit at age 12 months
From infant age ≥14 to ≤35 days to 12 months
Concomitant medications and treatments
Prazo: From infant age ≥14 to ≤35 days to 12 months

All concomitant medications / treatments (including type and duration) used to treat illnesses and other conditions will be recorded continuously from time of ICF signing at baseline, age ≥14 to ≤35 days, through the last study visit at age 12 months
From infant age ≥14 to ≤35 days to 12 months

Colaboradores e Investigadores

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

Patrocinador

Société des Produits Nestlé (SPN)

Colaboradores

Asian Hospital and Medical Center, Muntinlupa City, Philippines

Investigadores

  • Investigador principal: Maria Rosario JK Capeding, MD, Asian Hospital and Medical Center, Philippines

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)

29 de novembro de 2024

Conclusão Primária (Real)

30 de janeiro de 2026

Conclusão do estudo (Estimado)

31 de dezembro de 2027

Datas de inscrição no estudo

Enviado pela primeira vez

5 de novembro de 2024

Enviado pela primeira vez que atendeu aos critérios de CQ

25 de novembro de 2024

Primeira postagem (Real)

27 de novembro de 2024

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

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • 2313INF

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 .

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