{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Herbal+extract&page=2",
    "query": {
      "intervention": "Herbal extract",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Herbal+extract&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Herbal+extract&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T05:59:44.877Z",
  "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": "NCT00026013",
      "title": "Effects of St. John's Wort on the Effectiveness of Oral Contraceptives",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "hypericum perforatum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2002-01",
      "completion_date": "2004-01",
      "has_results": false,
      "last_update_posted_date": "2006-08-18",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026013"
    },
    {
      "nct_id": "NCT01596231",
      "title": "Kudzu Treatment for Alcohol Abuse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Kudzu",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2010-05",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2014-10-21",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01596231"
    },
    {
      "nct_id": "NCT06570668",
      "title": "Safety, Tolerability and Pharmacokinetics of CDD-2101 in Health Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Constipation - Functional"
      ],
      "interventions": [
        {
          "name": "CDD-2101",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Centre for Chinese Herbal Medicine Drug Development Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-05-29",
      "completion_date": "2024-07-12",
      "has_results": false,
      "last_update_posted_date": "2024-08-26",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06570668"
    },
    {
      "nct_id": "NCT01098318",
      "title": "Rhodiola Rosea Therapy of Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Herbal extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Lactose monohydrate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 58,
      "start_date": "2010-06",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-22",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01098318"
    },
    {
      "nct_id": "NCT00243022",
      "title": "Dietary, Herbal and Alternative Medicine in Glioblastoma Multiforme",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Cerebral Edema"
      ],
      "interventions": [
        {
          "name": "Boswellia serrata extract",
          "type": "DRUG"
        },
        {
          "name": "cyanocobalamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ali Altunkaya",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2004-09",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00243022"
    },
    {
      "nct_id": "NCT06911073",
      "title": "A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity and Overweight"
      ],
      "interventions": [
        {
          "name": "Postbiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ResBiotic Nutrition, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-05-02",
      "completion_date": "2026-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06911073"
    },
    {
      "nct_id": "NCT05267301",
      "title": "AlmegaPL CV Health Open Label Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cholesterol",
        "Triglycerides",
        "Omega-3",
        "Eicosapentaenoic Acid"
      ],
      "interventions": [
        {
          "name": "AlmegaPL (FDA NDIN # 826)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Qualitas Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 250,
      "start_date": "2022-05-11",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-14",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 2,
      "location_summary": "Tempe, Arizona • Houston, Texas",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05267301"
    },
    {
      "nct_id": "NCT00064857",
      "title": "Pycnogenol for the Treatment of Lymphedema of the Arm in Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphedema",
        "Breast",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Pycnogenol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2003-08",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-04-22",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064857"
    },
    {
      "nct_id": "NCT06787443",
      "title": "Randomized Placebo Controlled Clinical Study of an Oral Product in Subjects With Menopausal Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopausal Symptoms"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary Supplement with Proprietary Herbal Extract Blend and GABA",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Olly, PBC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 88,
      "start_date": "2024-05-10",
      "completion_date": "2024-06-24",
      "has_results": false,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06787443"
    },
    {
      "nct_id": "NCT00306072",
      "title": "Effect of Different Doses of Salacinol Extract on Glycemic and Insulinemic Response in Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "nutritional herbal extract from Salacia oblonga",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ross Products",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 82,
      "start_date": "2005-06",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2010-01-27",
      "last_synced_at": "2026-09-30T05:59:44.877Z",
      "location_count": 2,
      "location_summary": "Edina, Minnesota • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00306072"
    }
  ]
}