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
1 other identifier
interventional
100
1 country
6
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Aug 2025
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 12, 2025
CompletedFirst Posted
Study publicly available on registry
May 20, 2025
CompletedStudy Start
First participant enrolled
August 25, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 1, 2026
February 6, 2026
August 1, 2025
1 year
May 12, 2025
February 4, 2026
Conditions
Outcome Measures
Primary Outcomes (7)
GI tolerance
GI tolerance via the GSRS questionnaire
Visit 1 (baseline, 12 weeks' gestation)
GI tolerance
GI tolerance via the GSRS questionnaire
Visit 2 (24 weeks' gestation)
GI tolerance
GI tolerance via the GSRS questionnaire
Visit 3 (36 weeks' gestation)
GI tolerance
GI tolerance via the GSRS questionnaire
Visit 4 (40 days after delivery)
IL-4
Blood IL-4 levels
Visit 1 (baseline, 12 weeks' gestation)
IL-4
Blood IL-4 levels
Visit 2 (24 weeks' gestation)
IL-4
Blood IL-4 levels
Visit 3 (36 weeks' gestation)
Secondary Outcomes (29)
pregnancy complications
Visit 1 (baseline, 12 weeks' gestation)
pregnancy complications
Visit 2 (24 weeks' gestation)
pregnancy complications
Visit 3 (36 weeks' gestation)
pregnancy complications
Visit 4 (40 days after delivery)
GSH levels
Visit 1 (baseline, 12 weeks' gestation)
- +24 more secondary outcomes
Study Arms (2)
a2 UHT Milk
ACTIVE COMPARATORcontaining A2 type β-casein only (A1PF)
Conventional UHT milk
PLACEBO COMPARATORcontaining both A1 and A2 type β-caseins (CON)
Interventions
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.
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.
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Cyanth (Wuxi) Health Technology Co. Ltd.collaborator
- Affilicated Hospital of Jiangnan Universitycollaborator
- a2 Milk Company Ltd.lead
- Edanz Inccollaborator
- Guangzhou Trials Medicalcollaborator
Study Sites (6)
Foshan Maternity & Child Healthcare Hospital
Foshan, Guangdong, 528000, China
Panyu Maternal and Child Care Service Centre of Guangzhou
Guangzhou, Guangdong, 511400, China
Wuxi Maternal and Child Health Hospital
Wuxi, Jiangsu, 214002, China
Affiliated hospital of Jiangnan University
Wuxi, Jiangsu, 214122, China
Xuzhou Maternal and Child Health Hospital
Xuzhou, Jiangsu, 221009, China
First People's Hospital of Chengdu
Chengdu, Sichuan, 610041, China
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 12, 2025
First Posted
May 20, 2025
Study Start
August 25, 2025
Primary Completion (Estimated)
September 1, 2026
Study Completion (Estimated)
September 1, 2026
Last Updated
February 6, 2026
Record last verified: 2025-08
Data Sharing
- IPD Sharing
- Will not share