{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ENT-01",
    "query": {
      "intervention": "ENT-01"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T19:44:33.560Z",
  "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": "NCT03938922",
      "title": "A Study to Evaluate ENT-01 for the Treatment of Parkinson's Disease Dementia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Active Investigational Treatment ENT-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enterin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-01",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-01",
      "last_synced_at": "2026-09-13T19:44:33.560Z",
      "location_count": 3,
      "location_summary": "Fresno, California • Toms River, New Jersey • Dayton, Ohio",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Toms River",
          "state": "New Jersey"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03938922"
    },
    {
      "nct_id": "NCT04483479",
      "title": "Orally Administered ENT-01 for Parkinson's Disease-Related Constipation Follow-on Safety \"Roll-over\" Study (Rollover)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Active Investigational Treatment ENT-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enterin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 27,
      "start_date": "2020-07-30",
      "completion_date": "2022-02-17",
      "has_results": true,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-09-13T19:44:33.560Z",
      "location_count": 18,
      "location_summary": "Fountain Valley, California • Pasadena, California • Englewood, Colorado + 15 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04483479"
    },
    {
      "nct_id": "NCT03781791",
      "title": "Orally Administered ENT-01 for Parkinson's Disease-Related Constipation (KARMET)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Constipation",
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Active Investigational Treatment ENT-01",
          "type": "DRUG"
        },
        {
          "name": "Placebo Treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enterin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 151,
      "start_date": "2018-12-10",
      "completion_date": "2021-12-14",
      "has_results": true,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-09-13T19:44:33.560Z",
      "location_count": 51,
      "location_summary": "Sun City, Arizona • Little Rock, Arkansas • Fountain Valley, California + 44 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03781791"
    },
    {
      "nct_id": "NCT03047629",
      "title": "Evaluation of Safety and Tolerability of ENT-01 for the Treatment of Parkinson's Disease Related Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Constipation"
      ],
      "interventions": [
        {
          "name": "ENT-01",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Enterin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "86 Years",
        "sex": "ALL",
        "summary": "30 Years to 86 Years"
      },
      "enrollment_count": 50,
      "start_date": "2017-05-11",
      "completion_date": "2018-06-14",
      "has_results": true,
      "last_update_posted_date": "2023-12-27",
      "last_synced_at": "2026-09-13T19:44:33.560Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Englewood, Colorado • Washington D.C., District of Columbia + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03047629"
    }
  ]
}