Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:43 PM EDT

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Showing 1–24 of 98 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prostate Cancer
Interventions
Genistein, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Cancer
Interventions
Genistein
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hot Flashes
Interventions
Isoflavone, Placebos
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 4 Interventional Results available

The Study of Soy Isoflavones in Asthma

NCT01052116
Conditions
Asthma
Interventions
Soy isoflavone supplement, Placebo
Drug
Lead sponsor
American Lung Association Asthma Clinical Research Centers
Other
Eligibility
12 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
18
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 15 more
Completed Phase 1Phase 2 Interventional Results available

BIO 300 Non-Small Cell Lung Cancer Study

NCT02567799
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
BIO 300 Oral Suspension, Paclitaxel, Carboplatin, Radiotherapy
Drug · Radiation
Lead sponsor
Humanetics Corporation
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
4
States / cities
Baltimore, Maryland • Detroit, Michigan • Milwaukee, Wisconsin
Completed Early Phase 1 Interventional Accepts healthy volunteers

Soy Supplementation and Gestational Diabetes

NCT02806739
Conditions
Gestational Diabetes
Interventions
Soy Group (Soy Protein + Isoflavones), Control Group (Minimize Soy Intake)
Dietary Supplement
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 4 Interventional Accepts healthy volunteers

Soy and Isoflavones Effect on Bone

NCT00668447
Conditions
Osteoporosis
Interventions
Soy Isolate, Control protein, Novasoy isoflavones, Placebo tablets
Dietary Supplement
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
65 Years and older · Female only
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Farmington, Connecticut
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Soy Isoflavones on Menopausal Hot Flashes

NCT00179556
Conditions
Menopausal Symptoms
Interventions
Isoflavone supplement
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
38 Years to 65 Years · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Healthy
Interventions
S-equol, Placebo
Drug
Lead sponsor
Ausio Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Tacoma, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Red Clover Botanical Dietary Supplements - Metabolism and Safety in Women

NCT03205787
Conditions
Food-drug Interaction
Interventions
Trifolium pratense
Dietary Supplement
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 79 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Fibromyalgia
Interventions
Soy, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 76 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Using Soy Estrogens to Prevent Bone Loss and Other Menopausal Symptoms

NCT00076050
Conditions
Menopause, Osteoporosis, Osteopenia
Interventions
Soy isoflavones, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
248 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Miami, Florida
Conditions
Prostate Cancer
Interventions
Vitamin D, soy
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 120 Years · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Cancer of Head and Neck
Interventions
Soy isoflavone, Radiation, Cisplatin
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
Asthma
Interventions
Soy Isoflavone
Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Chronic Kidney Diseases, Vascular Function, Women
Interventions
S-equol, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 69 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Kidney Failure, Chronic
Interventions
soy isoflavones
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2003
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Prostate Cancer
Interventions
Prevastein HC®, Placebo
Dietary Supplement · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Recurrent Prostate Cancer, Stage IV Prostate Cancer
Interventions
Arm I Soy Bread, Arm II Soy-Almond Bread
Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Prostate Cancer
Interventions
genistein
Dietary Supplement
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
40 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Women's Isoflavone Soy Health (WISH) Trial

NCT00118846
Conditions
Atherosclerosis
Interventions
25 gm soy protein supplement, Placebo
Dietary Supplement · Other
Lead sponsor
University of Southern California
Other
Eligibility
30 Years and older · Female only
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Hormone
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Up to 1 Year
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Prostate Cancer
Interventions
soy isoflavones, neoadjuvant therapy, Placebo
Dietary Supplement · Procedure · Other
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Cardiovascular Disease, Subclinical Hypothyroid
Interventions
soy protein isolate (SPI), milk protein isolate (MPI)
Dietary Supplement
Lead sponsor
Jill Hamilton-Reeves, PhD RD LD
Other
Eligibility
25 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Kansas City, Kansas