The effect of vitamin D on breast density in women older than 40 years

The effect of vitamin D on mammographic breast density in women older than 40 years. years

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT138904154329N1

Enrollment

1084

Registered

2012-09-28

Start date

2011-11-16

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Breast density. -

Interventions

Intervention 1: Intervention Groups: Tablet vitamin D ( 50,000 IU), monthly for 2 years. Intervention 2: Control Groups: Tablet vitamin E ( 400 IU), monthly ,for 2 years.

Treatment - Drugs

Intervention Groups: Tablet vitamin D ( 50,000 IU), monthly for 2 years.

Control Groups: Tablet vitamin E ( 400 IU), monthly ,for 2 years.

Eligibility

Sex/Gender

Female

Age

41 Years to 90 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: women older than 40 years who have Indications for mammography. Exclusion criteria: Women who have contraindications for consuming vitamin D; History of breast cancer; Hormonal therapy and oral contraceptives in the last 3 months; Pregnant women; Women who consumed vitamin D supplement in the last 6 months.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
The rate of breast density. Timepoint: Every 6 months with clinical examination and every year with mammography for 2 years. Method of measurement: Mammography , Clinical examination.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactD.r Sadaf Alipour

Arash Women 's Hospital,Tehran University of Medical Sciences

salipour@Sina.tums.ac.ir+98 21777719922

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026