{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Parkinsonism",
    "query": {
      "condition": "Secondary Parkinsonism"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T21:58:03.347Z",
  "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": "NCT02361255",
      "title": "Degenerative Nigrostriatal Dysfunction in Drug-induced Parkinsonism",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Secondary Parkinsonism",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Corporal Michael J. Crescenz VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "40 Years to 89 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-02",
      "completion_date": "2019-04",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02361255"
    },
    {
      "nct_id": "NCT05109364",
      "title": "Terazosin and Parkinson's Disease Extension Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Symptomatic Parkinson Disease",
        "REM Sleep Behavior Disorder",
        "Pre-motor Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Terazosin therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 15,
      "start_date": "2022-09-23",
      "completion_date": "2026-03-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05109364"
    },
    {
      "nct_id": "NCT04218968",
      "title": "Cardiac Changes in Early Parkinson's Disease: A Follow up Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "REM Sleep Behavior Disorder",
        "Pre-motor Parkinson Disease",
        "Symptomatic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Carvedilol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 15,
      "start_date": "2019-12-30",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04218968"
    },
    {
      "nct_id": "NCT03516994",
      "title": "Reducing Disparities in the Quality of Advance Care Planning for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Cancer",
        "Congestive Heart Failure",
        "Chronic Obstructive Pulmonary Disease",
        "Parkinson Disease",
        "Interstitial Lung Disease",
        "Amyotrophic Lateral Sclerosis",
        "End Stage Liver Disease",
        "End Stage Renal Disease",
        "Diabetes Complications"
      ],
      "interventions": [
        {
          "name": "Respecting Choices First Steps",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Five Wishes Form",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 790,
      "start_date": "2018-08-01",
      "completion_date": "2024-04-15",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • Columbia, South Carolina + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03516994"
    },
    {
      "nct_id": "NCT04071847",
      "title": "Abbott DBS Post-Market Study of Outcomes for Indications Over Time",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Movement Disorders",
        "Parkinson Disease",
        "Essential Tremor",
        "Tremor",
        "Dystonia",
        "Primary Dystonia",
        "Secondary Dystonia"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation (DBS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2019-11-26",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 23,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Sacramento, California + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071847"
    },
    {
      "nct_id": "NCT04386317",
      "title": "Terazosin Effect on Cardiac Changes in Early Parkinson's Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "REM Sleep Behavior Disorder",
        "Pre-motor Parkinson's Disease",
        "Symptomatic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Terazosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 15,
      "start_date": "2020-11-01",
      "completion_date": "2026-03-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04386317"
    },
    {
      "nct_id": "NCT03775096",
      "title": "Adrenergic Blockers for Cardiac Changes in Early Parkinson's Disease (Protocol 53136)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "REM Sleep Behavior Disorder",
        "Pre-motor Parkinson Disease",
        "Symptomatic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Carvedilol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michele Tagliati, MD",
      "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": 15,
      "start_date": "2019-04-04",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-07-22T21:58:03.347Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03775096"
    }
  ]
}