{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atypical+Parkinsonism",
    "query": {
      "condition": "Atypical Parkinsonism"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atypical+Parkinsonism&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:13:02.704Z",
  "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": "NCT07599696",
      "title": "Speech Amplification Devices for Parkinson Disease: Talker- and Technology-Driven Enhancements",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Atypical Parkinsonism"
      ],
      "interventions": [
        {
          "name": "Behavioral speech strategies + speech amplification",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan 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": 100,
      "start_date": "2024-03-01",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "East Lansing, Michigan",
      "locations": [
        {
          "city": "East Lansing",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07599696"
    },
    {
      "nct_id": "NCT00001178",
      "title": "Brain Study of Patients With Frontal Lobe Dementia and Parkinsonian Disorders",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Dementia",
        "Down's Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 597,
      "start_date": "1981-01-19",
      "completion_date": "2012-12-17",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001178"
    },
    {
      "nct_id": "NCT05864365",
      "title": "A Biomarker Study of ATH434 in Participants With MSA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple System Atrophy"
      ],
      "interventions": [
        {
          "name": "ATH434",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alterity Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2023-05-23",
      "completion_date": "2025-02-26",
      "has_results": false,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05864365"
    },
    {
      "nct_id": "NCT03924414",
      "title": "Trial of Parkinson's And Zoledronic Acid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease",
        "Osteoporosis",
        "Parkinsonism",
        "Parkinson's Disease and Parkinsonism",
        "Atypical Parkinsonism",
        "Progressive Supranuclear Palsy",
        "Multiple System Atrophy",
        "Vascular Parkinsonism",
        "Dementia With Lewy Bodies"
      ],
      "interventions": [
        {
          "name": "Zoledronic Acid 5Mg/Bag 100Ml Inj",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 2650,
      "start_date": "2019-11-15",
      "completion_date": "2025-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 77,
      "location_summary": "Scottsdale, Arizona • Fayetteville, Arkansas • Little Rock, Arkansas + 58 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03924414"
    },
    {
      "nct_id": "NCT04148326",
      "title": "A Pilot Study to Explore the Role of Gut Flora in Parkinson's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Parkinsons Disease With Dementia",
        "Parkinson-Dementia Syndrome",
        "Parkinson Disease 2",
        "Parkinson Disease 3",
        "Parkinson Disease 4"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2020-03-02",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04148326"
    },
    {
      "nct_id": "NCT03724136",
      "title": "Alzheimer's Autism and Cognitive Impairment Stem Cell Treatment Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer Dementia",
        "Vascular Dementia",
        "Lewy Body Disease",
        "Lewy Body Dementia With Behavioral Disturbance (Disorder)",
        "Dementia, Mixed",
        "Parkinson-Dementia Syndrome",
        "Chronic Traumatic Encephalopathy",
        "Huntington's Dementia",
        "Wernicke Korsakoff Syndrome",
        "Traumatic Brain Injury",
        "Dementia, Multi-Infarct",
        "Autism",
        "Autism Spectrum Disorder",
        "Autistic Behavior",
        "Autistic Disorder, Current or Active State",
        "Cadasil",
        "LATE Limbic-predominant Age-related TDP-43 Encephalopathy"
      ],
      "interventions": [
        {
          "name": "Intravenous Bone Marrow Stem Cell (BMSC) Fraction",
          "type": "PROCEDURE"
        },
        {
          "name": "Intranasal Topical Bone Marrow Stem Cell (BMSC) Fraction",
          "type": "PROCEDURE"
        },
        {
          "name": "Near Infrared Light",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "MD Stem Cells",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2018-10-24",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 2,
      "location_summary": "Westport, Connecticut • Coral Springs, Florida",
      "locations": [
        {
          "city": "Westport",
          "state": "Connecticut"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03724136"
    },
    {
      "nct_id": "NCT05109091",
      "title": "Study of ATH434 in Participants with Multiple System Atrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple System Atrophy"
      ],
      "interventions": [
        {
          "name": "ATH434 dose level 1",
          "type": "DRUG"
        },
        {
          "name": "ATH434 dose level 2",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alterity Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 77,
      "start_date": "2022-07-01",
      "completion_date": "2024-11-28",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Chicago, Illinois • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05109091"
    },
    {
      "nct_id": "NCT00817726",
      "title": "RBD Longitudinal as Prognostic for PD",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rapid Eye Movement Sleep Behavior Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 164,
      "start_date": "2009-01",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00817726"
    },
    {
      "nct_id": "NCT06122662",
      "title": "AMX0035 and Progressive Supranuclear Palsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Progressive Supranuclear Palsy",
        "PSP",
        "Neurodegenerative Diseases",
        "Atypical Parkinsonism"
      ],
      "interventions": [
        {
          "name": "AMX0035",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Amylyx Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 139,
      "start_date": "2023-12-21",
      "completion_date": "2025-10-21",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 35,
      "location_summary": "Scottsdale, Arizona • Little Rock, Arkansas • Fountain Valley, California + 31 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06122662"
    },
    {
      "nct_id": "NCT02994719",
      "title": "Gait Analysis in Neurological Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease",
        "Parkinsonian Disorders",
        "Atypical Parkinson Disease",
        "Progressive Supranuclear Palsy",
        "Multiple System Atrophy",
        "Corticobasal Degeneration",
        "Gait, Frontal",
        "Huntington Disease"
      ],
      "interventions": [
        {
          "name": "Anti-Parkinson medication",
          "type": "DRUG"
        },
        {
          "name": "Deep Brain Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 120,
      "start_date": "2016-03-01",
      "completion_date": "2026-06-20",
      "has_results": false,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-05-22T08:13:02.704Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994719"
    }
  ]
}