{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vascular+Headache",
    "query": {
      "condition": "Vascular Headache"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vascular+Headache&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T07:45:24.349Z",
  "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": "NCT02090998",
      "title": "Sphenopalatine Ganglion Nerve Block vs. Elavil for Treatment of Transformed Migraines",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Transformed Migraine",
        "Chronic Daily Headache"
      ],
      "interventions": [
        {
          "name": "SPG Block with 5% Lidocaine gel",
          "type": "PROCEDURE"
        },
        {
          "name": "Amitriptyline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2014-05",
      "completion_date": "2020-03-16",
      "has_results": true,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02090998"
    },
    {
      "nct_id": "NCT04331938",
      "title": "Efficacy of Percutaneous SPG Block in Aneurysmal SAH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Regional anesthetic SPG block-bilateral",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2020-11-01",
      "completion_date": "2024-04-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04331938"
    },
    {
      "nct_id": "NCT00990574",
      "title": "A Study Comparing Two Spinal Techniques for for Cesarean Delivery Anesthesia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypotension",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Wiley Spinal Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Spinal Anesthesia Group (SAG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-10",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-10-08",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00990574"
    },
    {
      "nct_id": "NCT00317382",
      "title": "Does Static Ultrasound-Preview Reduce the Incidence of Difficult Lumbar Puncture?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Headache",
        "Meningitis",
        "Subarachnoid Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2004-12",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2015-02-19",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00317382"
    },
    {
      "nct_id": "NCT06621329",
      "title": "Transnasal Sphenopalatine Ganglion Block for Treatment of Acute Subarachnoid Hemorrhage Associated Headache",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "SAH (Subarachnoid Hemorrhage)",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Transnasal sphenopalatine ganglion block",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-10-17",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06621329"
    },
    {
      "nct_id": "NCT02330094",
      "title": "Gabapentin for Headache in Aneurysmal Subarachnoid Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aneurysmal Subarachnoid Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2014-12",
      "completion_date": "2017-09-01",
      "has_results": true,
      "last_update_posted_date": "2019-09-10",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330094"
    },
    {
      "nct_id": "NCT00275795",
      "title": "NAET Screening for Food Allergy, Sensitivity and Intolerances Using IgE-Specific Antigen Test and NST- NAET®",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Food Sensitivities",
        "Headache",
        "Backache",
        "Indigestion",
        "Eczema, Acne, Hives and Itching of the Skin"
      ],
      "interventions": [
        {
          "name": "NAET Procedures",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Nambudripad's Allergy Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "2 Years to 78 Years"
      },
      "enrollment_count": 42,
      "start_date": "2005-07",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2006-11-01",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Buena Park, California",
      "locations": [
        {
          "city": "Buena Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00275795"
    },
    {
      "nct_id": "NCT04393909",
      "title": "Improving Safety of Diagnosis and Therapy in the Inpatient Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delirium",
        "Confusion",
        "Mental Status Change",
        "Back Pain",
        "Hip Pain Chronic",
        "Chest Pain",
        "Asthma",
        "COPD",
        "Cellulitis",
        "Soft Tissue Infections",
        "Cough",
        "Deep Vein Thrombosis",
        "Pulmonary Embolism",
        "Venous Thromboembolism",
        "Dyspnea",
        "Electrolyte Metabolism Abnormal",
        "Fever",
        "Failure to Thrive",
        "Weakness",
        "Protein-Calorie Malnutrition",
        "Headache",
        "Neck Pain",
        "Hypoxia",
        "Pneumonia",
        "Sepsis",
        "Syncope",
        "Vomiting",
        "Diarrhea",
        "Leg Pain",
        "Abdominal Pain"
      ],
      "interventions": [
        {
          "name": "Diagnostic Uncertainty Educational Curriculum",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diagnostic Timeout",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Diagnostic (Dx) Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhancements to Epic-integrated Quality & Safety Dashboard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2019-07-01",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04393909"
    },
    {
      "nct_id": "NCT03604276",
      "title": "Neuroinflammatory Response and Headache Control in Patients After Subarachnoid Hemorrhage",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Subarachnoid Hemorrhage, Aneurysmal",
        "Headache",
        "Subarachnoid Hemorrhage"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MaineHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2017-12-01",
      "completion_date": "2026-01-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-09",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604276"
    },
    {
      "nct_id": "NCT06008795",
      "title": "BLOCK-SAH - PPF-Block for Post-SAH Headache",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage, Aneurysmal",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Pterygopalatine Fossa Nerve Block with Ropivacaine and Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo Pteryogpalatine Fossa Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "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": 195,
      "start_date": "2023-12-17",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-07-22T07:45:24.349Z",
      "location_count": 13,
      "location_summary": "Gainesville, Florida • Miami, Florida • Stuart, Florida + 10 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Stuart",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06008795"
    }
  ]
}