{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Isoflavone&page=2",
    "query": {
      "intervention": "Isoflavone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Isoflavone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T15:10:33.133Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00279942",
      "title": "Effect of Revival Soy on Fibromyalgia Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Soy",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "76 Years",
        "sex": "ALL",
        "summary": "18 Years to 76 Years"
      },
      "enrollment_count": 50,
      "start_date": "2006-05",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2012-01-06",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279942"
    },
    {
      "nct_id": "NCT03101085",
      "title": "S-Equol in Alzheimer's Disease 2 Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "S-equol and Placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo and S-equol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Russell Swerdlow",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2017-05-05",
      "completion_date": "2021-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-25",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 2,
      "location_summary": "Fairway, Kansas • Kansas City, Kansas",
      "locations": [
        {
          "city": "Fairway",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03101085"
    },
    {
      "nct_id": "NCT00513916",
      "title": "Effect of Dietary Soy on Estrogens in Breast Fluid, Blood, and Urine Samples From Healthy Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Healthy, no Evidence of Disease"
      ],
      "interventions": [
        {
          "name": "soy isoflavones",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Hawaii Cancer Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 45 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2006-07",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00513916"
    },
    {
      "nct_id": "NCT00076050",
      "title": "Using Soy Estrogens to Prevent Bone Loss and Other Menopausal Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Menopause",
        "Osteoporosis",
        "Osteopenia"
      ],
      "interventions": [
        {
          "name": "Soy isoflavones",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 60 Years · Female only"
      },
      "enrollment_count": 248,
      "start_date": "2003-09",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2016-12-06",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076050"
    },
    {
      "nct_id": "NCT02142777",
      "title": "S-Equol in Alzheimer's Disease (SEAD) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "S -Equol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Russell Swerdlow, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 90 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2014-07",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-08-16",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02142777"
    },
    {
      "nct_id": "NCT02075112",
      "title": "Soy Isoflavone in Combination With Radiation Therapy and Cisplatin in SCC of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Soy isoflavone",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2013-11",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2019-12-06",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075112"
    },
    {
      "nct_id": "NCT00741208",
      "title": "Modification of Asthma With Soy Isoflavone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Soy Isoflavone",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2008-08",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2011-06-08",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00741208"
    },
    {
      "nct_id": "NCT00255125",
      "title": "Role of Soy Supplementation in Prostate Cancer Development",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Neoplasm"
      ],
      "interventions": [
        {
          "name": "Soy Supplement",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 86,
      "start_date": "2005-09",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255125"
    },
    {
      "nct_id": "NCT00200824",
      "title": "Effects of Soy Compounds on Breast Cancer, Prostate Cancer, and Bone Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Soy Isoflavone Nutritional Supplements",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": null,
      "start_date": "2000-05",
      "completion_date": "2005-01",
      "has_results": false,
      "last_update_posted_date": "2009-03-12",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00200824"
    },
    {
      "nct_id": "NCT01985763",
      "title": "Genistein in Treatment of Metastatic Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Colon Cancer",
        "Rectal Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Genistein",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sofya Pintova",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2013-11",
      "completion_date": "2018-10-31",
      "has_results": true,
      "last_update_posted_date": "2019-05-10",
      "last_synced_at": "2026-09-24T15:10:33.133Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01985763"
    }
  ]
}