Impact of Maternal COVID-19 Vaccines on Breast Milk (MilkCorona)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04751734 |
Recruitment Status :
Active, not recruiting
First Posted : February 12, 2021
Last Update Posted : March 1, 2023
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Condition or disease | Intervention/treatment |
---|---|
COVID-19 Vaccines | Biological: Covid vaccines |
Study Type : | Observational |
Estimated Enrollment : | 150 participants |
Observational Model: | Case-Control |
Time Perspective: | Prospective |
Official Title: | Impact of Maternal COVID-19 Vaccination on Breast Milk Antibodies, Milk Bioactive Compounds and Maternal-child Health |
Actual Study Start Date : | January 16, 2021 |
Actual Primary Completion Date : | January 31, 2023 |
Estimated Study Completion Date : | October 2023 |

Group/Cohort | Intervention/treatment |
---|---|
Vaccinations
SARS-CoV-2 vaccination
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Biological: Covid vaccines
women within Priority groups for coronavirus (COVID-19) vaccination |
- Antibodies [ Time Frame: 1st year ]presence and levels of antibodies
- breast milk bioactive composition [ Time Frame: 1st year ]immune profile (cytokines and growth factors, immunoglobulins)
- breast milk bioactive composition [ Time Frame: 1st year ]microbiota profile
- breast milk bioactive composition [ Time Frame: 1st year ]metabolite profile
- infant microbiota [ Time Frame: 1st year ]infant microbiota composition and diversity
- infant growth and development [ Time Frame: 1st year ]z-scores growth curves

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Priority groups for coronavirus (COVID-19) vaccination (health and social care workers) following breastfeeding practices and receiving vaccines.
Exclusion Criteria:
- cessation of breastfeeding and vaccine side-effects requiring specific treatment and/or hospitalization.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04751734
Spain | |
Fundacion Investigacion Sanitaria INCLIVA | |
Valencia, Spain | |
Hospital Universitario y Politecnico la Fe | |
Valencia, Spain |
Responsible Party: | Maria Carmen Collado, Researcher, Institute of Agrochemistry and Food Technology, National Research Council |
ClinicalTrials.gov Identifier: | NCT04751734 |
Other Study ID Numbers: |
IATA-CSIC |
First Posted: | February 12, 2021 Key Record Dates |
Last Update Posted: | March 1, 2023 |
Last Verified: | February 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
breast milk microbiota metabolites immune compounds growth and development |
COVID-19 Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases |
Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |