{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=18",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T19:36:42.548Z",
  "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": "NCT00219284",
      "title": "Effects of Carbidopa/Levodopa/Entacapone on Motor Function and Quality of Life in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease With End of Dose Wearing Off"
      ],
      "interventions": [
        {
          "name": "Carbidopa/levodopa/entacapone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 359,
      "start_date": "2005-01",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2017-03-30",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 41,
      "location_summary": "Phoenix, Arizona • Fullerton, California • Irvine, California + 38 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00219284"
    },
    {
      "nct_id": "NCT01503944",
      "title": "A Trial of 18F-AV-133 and 18F-AV-45 Positron Emission Tomography (PET)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dementia With Lewy Bodies",
        "Alzheimer's Disease",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "18F-AV-133",
          "type": "DRUG"
        },
        {
          "name": "18F-AV-45",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Avid Radiopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2010-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-08-14",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 2,
      "location_summary": "Sun City, Arizona • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01503944"
    },
    {
      "nct_id": "NCT07701785",
      "title": "Superior Parietal iTBS for PD-MCI",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Accelerated intermittent theta-burst stimulation (iTBS) rTMS to right superior parietal lobule (rSPL)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-10-09",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07701785"
    },
    {
      "nct_id": "NCT01950468",
      "title": "A Cross-Over, Multi-Center Trial to Evaluate the Diagnostic Efficacy and Safety of [123I]NAV5001 as an Imaging Agent to Aid in the Diagnosis of Parkinsonian Syndromes",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Syndrome"
      ],
      "interventions": [
        {
          "name": "NAV5001",
          "type": "DRUG"
        },
        {
          "name": "DaTscan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Navidea Biopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2017-04",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2017-09-13",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Orlando, Florida",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01950468"
    },
    {
      "nct_id": "NCT02248649",
      "title": "Telemedicine Intervention to Improve Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Structured physical activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2014-12-01",
      "completion_date": "2018-09-30",
      "has_results": true,
      "last_update_posted_date": "2019-07-24",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02248649"
    },
    {
      "nct_id": "NCT00993291",
      "title": "Deep Brain Stimulation (DBS) Frequency Effects on Gait in Parkinson's Disease(PD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Frequency change to 60 Hz",
          "type": "PROCEDURE"
        },
        {
          "name": "Frequency change to 130 Hz",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2009-11",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2012-01-27",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00993291"
    },
    {
      "nct_id": "NCT07845474",
      "title": "A Manualized Recreational Therapy Balance Program for Older Adults With Parkinson's and Movement Disorders",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease (PD), Postural Balance",
        "Movement Disorders (Incl Parkinsonism)",
        "Postural Balance",
        "Accidental Falls"
      ],
      "interventions": [
        {
          "name": "Manualized recreational therapy balance program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oklahoma State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2026-10",
      "completion_date": "2027-05-13",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Stillwater, Oklahoma",
      "locations": [
        {
          "city": "Stillwater",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07845474"
    },
    {
      "nct_id": "NCT00044590",
      "title": "Parkinson's Diseases Susceptibility Genes and Pesticides",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1870,
      "start_date": "2000-09-01",
      "completion_date": "2016-11-30",
      "has_results": false,
      "last_update_posted_date": "2017-05-16",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00044590"
    },
    {
      "nct_id": "NCT07725315",
      "title": "Investigating the Increased Risk of Falls in Individuals With Parkinson's Disease Treated With Deep Brain Stimulation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deep Brain Stimulation",
        "PARKINSON DISEASE (Disorder)"
      ],
      "interventions": [
        {
          "name": "DBS as part of standard of care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-08-01",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Homewood, Alabama",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07725315"
    },
    {
      "nct_id": "NCT02439125",
      "title": "A Study of Efficacy and Safety of Eltoprazine HCl for Treating Levodopa-induced Dyskinesia in Parkinson's Disease Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Dyskinesia"
      ],
      "interventions": [
        {
          "name": "Eltoprazine HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amarantus BioScience Holdings, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-05",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-22",
      "last_synced_at": "2026-10-24T19:36:42.548Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02439125"
    }
  ]
}