Double blinded randomized placebo controlled trial to examine if maternal intake of vitamin D supplement can prevent atopic diseases through breast feeding

Double blinded randomized placebo controlled trial to examine if maternal intake of vitamin D supplement can prevent atopic diseases through breast feeding - Amaterasu 6

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000001975

Enrollment

130

Registered

2009-05-18

Start date

2011-01-31

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Exanthema on face at one month of age Breast feeding

Interventions

vitamin D3 supplement placebo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Exanthema on face at one month of age 2) Breast feeding 3) Obtained informed consent

Exclusion criteria

Exclusion criteria: 1. Mother is already taking vitamin D3 supplement or active vitamin D 2. Mother has past history of urinary tract stone or underlying disease related with calcium or bone 3. Mother has allergy to food additives 4. Other difficulties judged by the surgeon in charge

Design outcomes

Primary

Measure	Time frame
dermatitis estimated with SCORAD	—

Secondary

Measure	Time frame
onset of food allergy asthmatic bronchitis bronchial asthma	—

Countries

Japan

Contacts

Public ContactEmi Suzuki

Jikei University School of Medicine Division of Molecular Epidemiology

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026