1.	Phase III Randomized Study of Flaxseed in Postmenopausal Women With Hot Flashes Who Have a History of Breast Cancer or Other Cancer or Who Do Not Wish to Take Estrogen Therapy Phase: Phase III Type: Supportive care Status: Closed Age: 18 and over Sponsor: NCI Protocol IDs: NCCTG-N08C7, N08C7, NCT00956813
2.	Low-Fat Diet and/or Flaxseed in Preventing Prostate Cancer Phase: Phase II Type: Biomarker/Laboratory analysis, Treatment Status: Completed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000258042, DUMC-1385-02-7R3ER, NCI-P02-0235, CCUM-0202, UMCC-0202, UMCCOP 02-02, NCT00049309
3.	Macrobiotic Diet and Flax Seed: Effects on Estrogens, Phytoestrogens, & Fibrinolytic Factors Phase: Phase II Type: Prevention Status: Completed Age: 50 to 72 Sponsor: NCCAM Protocol IDs: P50 AT000090-01P1, P50 AT000090-01, NCT00010829
4.	Flaxseed for the Treatment of Hot Flashes Phase: Phase II Type: Supportive care Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: MC04C9, 247-05, NCT00275704
5.	Flaxseed, Aromatase Inhibitors and Breast Tumor Characteristics Phase: No phase specified Type: Biomarker/Laboratory analysis, Treatment Status: Closed Age: 18 to 85 Sponsor: Other Protocol IDs: I 99507, R21AT004024-01, RPCI-I-99507, NCT00635908, NCT00612560
6.	Flaxseed in Preventing Breast Cancer in Premenopausal Women at Risk of Developing Breast Cancer Phase: No phase specified Type: Biomarker/Laboratory analysis, Prevention Status: Closed Age: 21 to 50 Sponsor: Other Protocol IDs: CDR0000617894, RPCI-I-81906, I-81906, NCT00794989