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Milk Free From A1-Type β-Casein on Inflammation, Gastrointestinal Tolerance, and Pregnancy Outcomes

Effects of Milk Free From A1-Type β-Casein on Inflammation, Gastrointestinal Tolerance, and Pregnancy Outcomes: A Multi-Centre, Randomised, Open-Label, Prospective Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06980376
Enrollment
100
Registered
2025-05-20
Start date
2025-08-25
Completion date
2026-09-01
Last updated
2026-07-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Pregnant Women

Brief summary

The aim of the study is to compare the effects of conventional Ultra High Temperature (UHT) milk containing both A1 and A2 type β-caseins (CON) with a2 UHT Milk containing A2 type β-casein only (A1PF) on inflammation, tolerance, and GI symptoms in pregnant women as well as infants' birth outcomes from 12 weeks' gestation up to 40 days post-birth.

Interventions

OTHERa2 UHT milk

Pregnant women in this arm will drink a2 UHT Milk twice a day, 200ml each time, until study completion. Their infants will be fed with the mother's breastmilk exclusively.

OTHERConventional UHT Milk

Pregnant women in this arm will drink conventional UHT Milk twice a day, 200ml each time, until study completion. Their infants will be fed with the mother's breastmilk exclusively.

Sponsors

a2 Milk Company Ltd.
Lead SponsorINDUSTRY
Edanz Inc
CollaboratorUNKNOWN
Cyanth (Wuxi) Health Technology Co. Ltd.
CollaboratorUNKNOWN
Affiliated Hospital of Jiangnan University
CollaboratorOTHER
Guangzhou Trials Medical
CollaboratorUNKNOWN

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 35 Years
Healthy volunteers
Yes

Inclusion criteria

* 20-35 years of age * Recruited at \<12 weeks of gestation * Intention to deliver at study site hospital * Singleton pregnancy * Able and willing to consume milk during pregnancy * Agree not to participate in another interventional clinical study during the present study

Exclusion criteria

* Body mass index ≥ 35 at enrolment * Cow's milk intolerance or allergy * Significant systemic disorder (e.g., cardiac, respiratory, endocrinological, hemato-logic, or GI); pre-pregnancy diabetes, hypertension, or other medical conditions that preclude participation per the investigator's judgement * Taking any prescribed chronic medications * Participation in another clinical trial * Investigator uncertainty about the willingness or ability of the participant to comply with the protocol requirements * Taking probiotics at screening or two weeks before enrolment * Receiving any vaccine at screening or two weeks before enrolment

Design outcomes

Primary

MeasureTime frameDescription
GI toleranceVisit 1 (baseline, 12 weeks' gestation)GI tolerance via the GSRS questionnaire
IL-4Visit 1 (baseline, 12 weeks' gestation)Blood IL-4 levels

Secondary

MeasureTime frameDescription
pregnancy complicationsVisit 1 (baseline, 12 weeks' gestation)Incidence of pregnancy complications
GSH levelsVisit 1 (baseline, 12 weeks' gestation)Blood GSH levels
IgG levelsVisit 1 (baseline, 12 weeks' gestation)Blood IgG levels
IL-1 levelsVisit 1 (baseline, 12 weeks' gestation)Blood IL-1 levels
hsCRPVisit 1 (baseline, 12 weeks' gestation)Blood hsCRP levels
TNF-αVisit 1 (baseline, 12 weeks' gestation)Blood TNF-α levels
Vitamin DVisit 1 (baseline, 12 weeks' gestation)Blood vitamin D levels
Infant birth outcomesVisit 4 (40 days after delivery)Infant birth outcomes, including anthropometric measurements (weight, length, head circumference, z-scores, Apgar score)
Breastmilk compositionVisit 4 (40 days after delivery)Breastmilk composition analyssis including metal ion testing, proteins, fats and HMOs
infant GI signs and symptomsVisit 4 (40 days after delivery)infant GI signs and symptoms assessed by IGSQ questionnaire
Adverse eventsVisit 1 (baseline, 12 weeks' gestation)Record adverse events

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 8, 2026