{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Headache+Disorder",
    "query": {
      "condition": "Secondary Headache Disorder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 92,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Headache+Disorder&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T18:45:47.235Z",
  "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": "NCT00018811",
      "title": "Psychological Assessment and Treatment of Chronic Benign Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Headache",
        "Migraine",
        "Tension Headache",
        "Stress Headache",
        "Vascular Headache"
      ],
      "interventions": [
        {
          "name": "Relaxation training & thermal biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Surface EMG biofeedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-04",
      "completion_date": "2003-03",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00018811"
    },
    {
      "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": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04331938"
    },
    {
      "nct_id": "NCT04672044",
      "title": "TMS and Exercise for Post-stroke Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Post-stroke Headache"
      ],
      "interventions": [
        {
          "name": "Active rTMS and exercise",
          "type": "DEVICE"
        },
        {
          "name": "Sham rTMS+Exercise",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2022-01-14",
      "completion_date": "2024-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04672044"
    },
    {
      "nct_id": "NCT02373605",
      "title": "Spinal Manipulation and Dry Needling Versus Conventional Physical Therapy in Patients With Cervicogenic Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervicogenic Headaches"
      ],
      "interventions": [
        {
          "name": "Dry Needling,Thrust Manipulation",
          "type": "OTHER"
        },
        {
          "name": "Exercise,Non-thrust Mobilization",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Alabama Physical Therapy & Acupuncture",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 142,
      "start_date": "2015-02",
      "completion_date": "2018-05-15",
      "has_results": false,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Montgomery, Alabama",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02373605"
    },
    {
      "nct_id": "NCT04369729",
      "title": "Investigate the Mechanisms, Predictors, and Prevention of Persistent Post-Traumatic Headache",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post-Traumatic Headache"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 101,
      "start_date": "2020-09-09",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Jacksonville, Florida + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04369729"
    },
    {
      "nct_id": "NCT03347188",
      "title": "A Study to Test if Fremanezumab Reduces Headache in Participants With Posttraumatic Headache (PTH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "Fremanezumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 87,
      "start_date": "2017-12-18",
      "completion_date": "2020-06-03",
      "has_results": true,
      "last_update_posted_date": "2022-12-13",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 33,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03347188"
    },
    {
      "nct_id": "NCT04071743",
      "title": "Study of Gammacore Sapphire for the Acute and Preventive Treatment of Post-Traumatic Headache (GAP-PTH)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "gammaCore Sapphire",
          "type": "DEVICE"
        },
        {
          "name": "sham gammaCore Sapphire",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-01-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071743"
    },
    {
      "nct_id": "NCT03588364",
      "title": "The Role of Osteopathic Manipulation in the the Management of Post-traumatic Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine Disorders",
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "Osteopathic Manipulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2016-09-15",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-06-12",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03588364"
    },
    {
      "nct_id": "NCT00487578",
      "title": "Naratriptan for the Treatment of Post Traumatic Headache Associated With Cognitive Dysfunction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "naratriptan HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cady, Roger, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 12,
      "start_date": "2006-10",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2013-02-11",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 3,
      "location_summary": "Springfield, Missouri • Charlotte, North Carolina • Dallas, Texas",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00487578"
    },
    {
      "nct_id": "NCT06729255",
      "title": "A Prospective Cohort Study to Evaluate the Safety, Efficacy, and Usability of the EpiZact Device",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postdural Puncture Headache",
        "Epidural Analgesia, Obstetric"
      ],
      "interventions": [
        {
          "name": "EpiZact-assisted epidural placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 50 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2025-03-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-09-07T18:45:47.235Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06729255"
    }
  ]
}