{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Polyphenon+E",
    "query": {
      "intervention": "Polyphenon E"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Polyphenon+E&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T01:16:20.455Z",
  "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": "NCT00676780",
      "title": "Green Tea Extract and Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Polyphenon E (EGCG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2004-05",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2012-08-08",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 1,
      "location_summary": "Shreveport, Louisiana",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00676780"
    },
    {
      "nct_id": "NCT00233935",
      "title": "Defined Green Tea Catechin Extract in Preventing Esophageal Cancer in Patients With Barrett's Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Barrett Esophagus"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "defined green tea catechin extract",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2005-11",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2014-09-11",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 3,
      "location_summary": "New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00233935"
    },
    {
      "nct_id": "NCT00942422",
      "title": "Green Tea Extract in Treating Patients With Monoclonal Gammopathy of Undetermined Significance and/or Smoldering Multiple Myeloma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "defined green tea catechin extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein analysis",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2009-11",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2015-03-27",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942422"
    },
    {
      "nct_id": "NCT02147353",
      "title": "Treatment of External Genital Warts With Cryotherapy and Sinecatechins 15% Ointment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "External Genital Warts"
      ],
      "interventions": [
        {
          "name": "Sinecatechins 15% Ointment",
          "type": "DRUG"
        },
        {
          "name": "Cryotherapy alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2011-09",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02147353"
    },
    {
      "nct_id": "NCT00262743",
      "title": "Green Tea Extract in Treating Patients With Stage 0, Stage I, or Stage II Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "Polyphenon E",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2005-08",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262743"
    },
    {
      "nct_id": "NCT00718094",
      "title": "Pilot Study of Green Tea Extract (Polyphenon E®)in Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mild to Moderately Active Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Polyphenon E®",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-03",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2017-12-14",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00718094"
    },
    {
      "nct_id": "NCT00676793",
      "title": "A Study of the Effect of Polyphenon E (Green Tea Extract) on Breast Cancer Progression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Polyphenon E",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 75 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2004-05",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-09-21",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 2,
      "location_summary": "Shreveport, Louisiana • New York, New York",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00676793"
    },
    {
      "nct_id": "NCT01451723",
      "title": "Safety and Neuroprotective Effects of Polyphenon E in MS; Phase II",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Polyphenon E",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 11,
      "start_date": "2011-07",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-03-14",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451723"
    },
    {
      "nct_id": "NCT00666562",
      "title": "Green Tea Extract in Treating Patients With Nonmetastatic Bladder Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage I Bladder Cancer",
        "Stage II Bladder Cancer",
        "Stage III Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Defined Green Tea Catechin Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2008-07-02",
      "completion_date": "2017-06-09",
      "has_results": true,
      "last_update_posted_date": "2017-11-17",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Burlington, Massachusetts • Minneapolis, Minnesota + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00666562"
    },
    {
      "nct_id": "NCT00449982",
      "title": "Efficacy and Safety Study of Polyphenon E to Treat External Genital Warts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Condylomata Acuminata"
      ],
      "interventions": [
        {
          "name": "Polyphenon E Ointment 10%, Polyphenon E Ointment 15%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MediGene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2003-07",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2007-03-21",
      "last_synced_at": "2026-09-03T01:16:20.455Z",
      "location_count": 6,
      "location_summary": "Davis, San Diego, California • Denver, Colorado • New York, New York + 3 more",
      "locations": [
        {
          "city": "Davis, San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Houston, Dallas, Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00449982"
    }
  ]
}