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Effects of Soy Consumption on Symptoms of Menopause

Influence of Soy Consumption on Menopause

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00101699
Enrollment
120
Registered
2005-01-13
Start date
2001-11-30
Completion date
2003-08-31
Last updated
2006-08-18

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

Conditions

Menopause

Keywords

Women, Soy Foods, Middle Aged

Brief summary

The purpose of this study is to examine the way soy consumption affects menopausal symptoms in middle-aged Japanese women.

Detailed description

For the past 20 years, Japanese women have reported fewer menopausal symptoms than their North American counterparts. One explanation for the disparity is the differences in diet. Evidence suggests that Japanese women consume large amounts of soy, a phytoestrogen that is structurally similar to the hormone estrogen. However, there is a lack of menopause-related research data from non-Western populations. This study will be a long-term observation of the effects of soy consumption in menopausal Japanese women. This study will last 6 months. Participants will complete a dietary log and a menopausal symptom checklist daily. There will be three or four study visits. During these visits, participants will complete a diet questionnaire, have a blood sample collected, and be interviewed about their menopausal symptoms. Six months after study completion, participants will be sent a questionnaire about any recent menopausal symptoms they may have experienced.

Interventions

None listed

Sponsors

National Center for Complementary and Integrative Health (NCCIH)
Lead SponsorNIH

Study design

Observational model
DEFINED_POPULATION
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
45 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Japanese resident * Menopausal

Exclusion criteria

* Hysterectomy, removal of ovaries, or tubal ligation with subsequent menstrual changes * Hormones for menopause or birth control pills within 5 years of study entry * Recent major illness * Medication that could affect naturally-produced hormones

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026