{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Symptomatic+Neurogenic+Orthostatic+Hypotension",
    "query": {
      "condition": "Symptomatic Neurogenic Orthostatic Hypotension"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Symptomatic+Neurogenic+Orthostatic+Hypotension&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T03:36:54.049Z",
  "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": "NCT00738062",
      "title": "Open-Label Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neurogenic Orthostatic Hypotension",
        "Non-Diabetic Autonomic Neuropathy",
        "Multiple System Atrophy",
        "Dopamine Beta Hydroxylase Deficiency"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 103,
      "start_date": "2008-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2014-05-16",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 44,
      "location_summary": "Birmingham, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00738062"
    },
    {
      "nct_id": "NCT01176240",
      "title": "A Two Part Study (306A/306B) to Assess Droxidopa in Treatment of NOH in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Orthostatic Hypotension",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2010-06",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 60,
      "location_summary": "Alabaster, Alabama • Gilbert, Arizona • Phoenix, Arizona + 53 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01176240"
    },
    {
      "nct_id": "NCT04095793",
      "title": "Phase 3 Open-Label Extension Study of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension"
      ],
      "interventions": [
        {
          "name": "ampreloxetine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theravance Biopharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2019-09-19",
      "completion_date": "2021-11-12",
      "has_results": true,
      "last_update_posted_date": "2022-11-30",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 13,
      "location_summary": "Colorado Springs, Colorado • Boca Raton, Florida • Port Charlotte, Florida + 10 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Glenview",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095793"
    },
    {
      "nct_id": "NCT00633880",
      "title": "Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension (NOH)",
        "Non-diabetic Neuropathy",
        "Primary Autonomic Failure",
        "Dopamine Beta Hydroxylase Deficiency"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Droxidopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 181,
      "start_date": "2008-01",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 44,
      "location_summary": "Birmingham, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00633880"
    },
    {
      "nct_id": "NCT02586623",
      "title": "Sustained Effect of Droxidopa in Symptomatic Neurogenic Orthostatic Hypotension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension"
      ],
      "interventions": [
        {
          "name": "Droxidopa capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 453,
      "start_date": "2016-02-11",
      "completion_date": "2022-09-09",
      "has_results": true,
      "last_update_posted_date": "2023-08-23",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 168,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 103 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586623"
    },
    {
      "nct_id": "NCT01149629",
      "title": "Study of the Fed-Fast Pharmocokinetics and Bioequivalance of 300mg Capsules of Droxidopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2010-07",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2013-03-20",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01149629"
    },
    {
      "nct_id": "NCT00782340",
      "title": "A Clinical Study for Patients With Neurogenic Orthostatic Hypotension (NOH) Using Droxidopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension (NOH)",
        "Non-diabetic Neuropathy",
        "Primary Autonomic Failure",
        "Dopamine Beta Hydroxylase Deficiency"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Droxidopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 263,
      "start_date": "2008-09",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2014-05-16",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 14,
      "location_summary": "Huntsville, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 11 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00782340"
    },
    {
      "nct_id": "NCT01927055",
      "title": "A Clinical Study of Patients With Symptomatic NOH to Assess Sustained Effects of Droxidopa Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension",
        "Parkinson's Disease",
        "Multiple Systems Atrophy",
        "Pure Autonomic Failure",
        "Dopamine Beta Hydroxylase Deficiency"
      ],
      "interventions": [
        {
          "name": "Droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2013-11",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-01-08",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 3,
      "location_summary": "New York, New York • Charlotte, North Carolina • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01927055"
    },
    {
      "nct_id": "NCT03829657",
      "title": "Phase 3 Clinical Effect Durability of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension",
        "MSA",
        "Parkinson's Disease (PD)",
        "Pure Autonomic Failure (PAF)"
      ],
      "interventions": [
        {
          "name": "ampreloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theravance Biopharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2019-02-22",
      "completion_date": "2021-11-10",
      "has_results": true,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 20,
      "location_summary": "Sun City, Arizona • La Jolla, California • Palo Alto, California + 16 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03829657"
    },
    {
      "nct_id": "NCT05696717",
      "title": "Phase 3 Efficacy and Durability of Ampreloxetine for the Treatment of Symptomatic nOH in Participants With Multiple System Atrophy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension",
        "MSA - Multiple System Atrophy"
      ],
      "interventions": [
        {
          "name": "Ampreloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theravance Biopharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2023-06-27",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-06-11T03:36:54.049Z",
      "location_count": 26,
      "location_summary": "Scottsdale, Arizona • Fountain Valley, California • La Jolla, California + 21 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05696717"
    }
  ]
}