Brown Seaweed as a Breast Cancer Preventive
Completed · Phase 1/Phase 2 · Has a placebo group
Conditions studied: Breast Cancer
In brief
Japanese postmenopausal women in Japan have about one ninth the rate of American postmenopausal women. Rates of breast cancer double even after just ten years among Japanese women who migrate to the US. Diet is thought to be an important factor, and the investigators were interested in whether dietary seaweed, with and without soy supplements, could influence known biomarkers of breast cancer risk in American women.
Key facts
- Study ID
- NCT01204957
- Run by
- University of South Carolina
- People needed
- 33
- Starts
- 1998-10-01
- Expected to finish
- 1999-03-01
- Last updated by the study team
- 2015-04-06
Who can join
Age: 18 and older, up to 80. Sex: female. Healthy volunteers: accepted.
You may qualify if…
- Postmenopausal (self-reported cessation of menstruation 1 y prior to enrollment)
- If breast cancer survivor, all therapy completed at least 6 months prior to enrollment
- Agreed to eat their normal diet, avoiding seaweeds and phytoestrogen-rich foods,
- Restricting alcoholic intake to #2 drinks (24 g alcohol)/wk -Continuing habitual intake of vitamins, supplements, and medications during the study. -
You may not qualify if…
- No allergies to seaweed, soy, shellfish, or iodine
- No current use of tobacco;
- No thyroid dysfunction or treatment within the previous 5 y;
- Negative thyroid peroxidase antibodies as determined by screening;
- No hormone replacement therapy or for breast cancer survivors, no chemotherapy or radiation treatments within the preceding 6 mo
- No history of cancer (other than breast cancer)
- No current gastrointestinal disorders or diabetes; omnivorous eating habits, including meat and dairy products at least twice/wk
- No oral antibiotics, iodine containing medications, or corticosteroids treatment within the previous 3 mo.
Where it is running
- University of Massachusetts — Worcester, Massachusetts, United States
Full record on ClinicalTrials.gov
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