Flaxseed in Treating Postmenopausal Women With Hot Flashes Who Have a History of Breast Cancer or Other Cancer or Who Do Not Wish to Take Estrogen Therapy
Breast Cancer, Hot Flashes, Menopausal Symptoms
About this trial
This is an interventional supportive care trial for Breast Cancer focused on measuring menopausal symptoms, hot flashes, breast cancer, unspecified adult solid tumor, protocol specific
Eligibility Criteria
Bothersome hot flashes, defined by their occurrence ≥ 28 times per week and of sufficient severity to make the patient desire therapeutic intervention
- Presence of hot flashes for ≥ 1 month
Meets 1 of the following criteria:
- History of breast cancer or other cancer (currently without malignant disease)
- No history of breast cancer and wishes to avoid estrogen due to a perceived increased risk of breast cancer
- Hormone receptor status not specified
- Postmenopausal as defined by 1 of the following*:
NOTE: *Women with ≥ 1 ovary but without a uterus should be deemed postmenopausal by either age > 55 OR a combination of estrogen within a postmenopausal range (per local lab) and follicle-stimulating hormone > 40 mIU/mL
- Absence of a period in the past 12 months
Bilateral oophorectomy
- ECOG performance status 0-1
- Life expectancy ≥ 6 months
- Able to complete questionnaire(s) alone or with assistance
- No diabetes requiring oral or injectable antihyperglycemics
- No hypotension
- No history of allergic or other adverse reaction to flaxseed
- No irritable bowel syndrome, colitis, Crohn disease, or any gastrointestinal condition where the patient should not consume and/or has an intolerance/allergies to seeds or nuts
- At least 4 weeks since prior and no concurrent or planned androgens, estrogens, or progestational agents
Tamoxifen, raloxifene, or aromatase inhibitors are allowed provided the patient has been on a constant dose for ≥ 4 weeks and is not expected to stop the medication during study treatment
• At least 4 weeks since prior and no concurrent anti-cancer therapies of any kind
Trastuzumab allowed
- No concurrent treatment with other anti-cancer therapies of any kind except for trastuzumab or endocrine therapies
- No concurrent (≤ 7 days prior to registration) or planned use of other agents for treating hot flashes (i.e., gabapentin, clonidine, antidepressants, estrogen treatment, megestrol acetate, or Bellergal)
- Stable dose of vitamin E (as a general vitamin supplement) allowed provided it is ≤ 800 IU/day, it was started > 30 days before study initiation, and is to be continued through study period
Patients who have been using antidepressants for mood and have been on a stable dose for over a month and meet the eligibility criteria for hot flash frequency and duration are eligible
• No concurrent anticoagulants or anti-platelets (1 mg of Coumadin for central line patency allowed)
Aspirin allowed (≤ 81 mg)
- No concurrent anti-hypertensives
- No other concurrent herbal supplements for any reason, including soy and soy supplements (i.e., powders, pills, or milk)
Sites / Locations
- Aurora Presbyterian Hospital
- Boulder Community Hospital
- Penrose Cancer Center at Penrose Hospital
- St. Anthony Central Hospital
- Porter Adventist Hospital
- Presbyterian - St. Luke's Medical Center
- St. Joseph Hospital
- Rose Medical Center
- CCOP - Colorado Cancer Research Program
- Swedish Medical Center
- St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center
- North Colorado Medical Center
- Sky Ridge Medical Center
- Hope Cancer Care Center at Longmont United Hospital
- McKee Medical Center
- St. Mary - Corwin Regional Medical Center
- North Suburban Medical Center
- Exempla Lutheran Medical Center
- Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center
- Trinity Cancer Center at Trinity Medical Center - 7th Street Campus
- St. Francis Hospital and Health Centers - Beech Grove Campus
- Elkhart Clinic, LLC
- Elkhart General Hospital
- Howard Community Hospital
- Center for Cancer Therapy at LaPorte Hospital and Health Services
- Saint Joseph Regional Medical Center
- Reid Hospital & Health Care Services
- CCOP - Northern Indiana CR Consortium
- Memorial Hospital of South Bend
- Michiana Hematology-Oncology, PC - South Bend
- South Bend Clinic
- Medical Oncology and Hematology Associates - West Des Moines
- CCOP - Iowa Oncology Research Association
- John Stoddard Cancer Center at Iowa Methodist Medical Center
- Medical Oncology and Hematology Associates at John Stoddard Cancer Center
- Medical Oncology and Hematology Associates at Mercy Cancer Center
- Mercy Cancer Center at Mercy Medical Center - Des Moines
- John Stoddard Cancer Center at Iowa Lutheran Hospital
- McCreery Cancer Center at Ottumwa Regional
- Siouxland Hematology-Oncology Associates, LLP
- Mercy Medical Center - Sioux City
- St. Luke's Regional Medical Center
- Drs. Carrol, Sheth, Raghavan
- Saint Joseph Mercy Cancer Center
- CCOP - Michigan Cancer Research Consortium
- Battle Creek Health System Cancer Care Center
- Mecosta County Medical Center
- Oakwood Cancer Center at Oakwood Hospital and Medical Center
- Green Bay Oncology, Limited - Escanaba
- Genesys Hurley Cancer Institute
- Hurley Medical Center
- Butterworth Hospital at Spectrum Health
- CCOP - Grand Rapids
- Lacks Cancer Center at Saint Mary's Health Care
- Van Elslander Cancer Center at St. John Hospital and Medical Center
- Dickinson County Healthcare System
- Foote Memorial Hospital
- Sparrow Regional Cancer Center
- St. Mary Mercy Hospital
- Mercy General Health Partners
- St. Joseph Mercy Oakland
- Mercy Regional Cancer Center at Mercy Hospital
- Seton Cancer Institute at Saint Mary's - Saginaw
- Lakeside Cancer Specialists, PLLC
- Lakeland Regional Cancer Care Center - St. Joseph
- Munson Medical Center
- St. John Macomb Hospital
- Metro Health Hospital
- MeritCare Bemidji
- Fergus Falls Medical Group, PA
- Immanuel St. Joseph's
- CCOP - MeritCare Hospital
- MeritCare Broadway
- Altru Cancer Center at Altru Hospital
- Grandview Hospital
- Good Samaritan Hospital
- David L. Rike Cancer Center at Miami Valley Hospital
- CCOP - Dayton
- Blanchard Valley Medical Associates
- Middletown Regional Hospital
- Wayne Hospital
- Charles F. Kettering Memorial Hospital
- UVMC Cancer Care Center at Upper Valley Medical Center
- Clinton Memorial Hospital
- United States Air Force Medical Center - Wright-Patterson
- Ruth G. McMillan Cancer Center at Greene Memorial Hospital
- Providence Milwaukie Hospital
- Providence Cancer Center at Providence Portland Medical Center
- Adventist Medical Center
- CCOP - Columbia River Oncology Program
- Providence St. Vincent Medical Center
- Morgan Cancer Center at Lehigh Valley Hospital - Cedar Crest
- Rapid City Regional Hospital
- Medical X-Ray Center, PC
- Sanford Cancer Center at Sanford USD Medical Center
- Southwest Washington Medical Center Cancer Center
- Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center
- Green Bay Oncology, Limited at St. Mary's Hospital
- St. Mary's Hospital Medical Center - Green Bay
- St. Vincent Hospital Regional Cancer Center
- Holy Family Memorial Medical Center Cancer Care Center
- Bay Area Cancer Care Center at Bay Area Medical Center
- Green Bay Oncology, Limited - Oconto Falls
- Green Bay Oncology, Limited - Sturgeon Bay
- Marshfield Clinic - Wisconsin Rapids Center
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Arm I
Arm II
Patients receive oral flaxseed in the form of a bar similar to a granola bar once daily.
Patients receive oral placebo bar once daily.