{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Headache+Disorder&page=3",
    "query": {
      "condition": "Secondary Headache Disorder",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 93,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Headache+Disorder&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Headache+Disorder&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T15:28:37.552Z",
  "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": "NCT02070172",
      "title": "Active and Passive Cervical Flexion-rotation Tests",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervicogenic Headaches"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Des Moines University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2009-02",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2014-02-25",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Des Moines, Iowa",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02070172"
    },
    {
      "nct_id": "NCT05452239",
      "title": "A Study of Eptinezumab in Participants With Migraine and Medication Overuse Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Migraine",
        "Medication Overuse Headache"
      ],
      "interventions": [
        {
          "name": "Eptinezumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 608,
      "start_date": "2022-07-01",
      "completion_date": "2025-03-13",
      "has_results": true,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 6,
      "location_summary": "Winter Haven, Florida • Marrero, Louisiana • Springfield, Missouri + 3 more",
      "locations": [
        {
          "city": "Winter Haven",
          "state": "Florida"
        },
        {
          "city": "Marrero",
          "state": "Louisiana"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Amherst",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05452239"
    },
    {
      "nct_id": "NCT00510757",
      "title": "Multi Cervical Unit Measures of Cervical Isometric Strength and Range of Motion: A Pilot Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervicogenic Headache",
        "Neck Pain",
        "Whiplash",
        "Kyphotic and Reversed Cervical Curves"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Logan College of Chiropractic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 200,
      "start_date": "2007-06",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2008-10-17",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Chesterfield, Missouri",
      "locations": [
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00510757"
    },
    {
      "nct_id": "NCT05116930",
      "title": "Neostigmine and Glycopyrrolate for the Treatment of Headache After Dural Puncture",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-Dural Puncture Headache"
      ],
      "interventions": [
        {
          "name": "Neostigmine",
          "type": "DRUG"
        },
        {
          "name": "Glycopyrrolate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "54 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 54 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2021-11-19",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05116930"
    },
    {
      "nct_id": "NCT02266329",
      "title": "Chronic Postconcussive Headache: A Placebo-Controlled Treatment Trial of Prazosin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Posttraumatic Headache",
        "Combat Disorders",
        "Post Concussion Syndrome",
        "Headache",
        "Mild Traumatic Brain Injury",
        "Posttraumatic Migraine"
      ],
      "interventions": [
        {
          "name": "prazosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2016-01-04",
      "completion_date": "2023-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02266329"
    },
    {
      "nct_id": "NCT04776304",
      "title": "Art Therapy QEEG Study for Service Members with a Traumatic Brain Injury and Posttraumatic Stress Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Traumatic Headache",
        "PTSD",
        "TBI",
        "TBI (Traumatic Brain Injury)",
        "MTBI - Mild Traumatic Brain Injury",
        "Posttraumatic Stress Disorder",
        "Posttraumatic Stress Disorder, Delayed Onset",
        "Sleep Disturbance",
        "Nightmare",
        "Nightmares, REM-Sleep Type",
        "Headache",
        "Irritable Mood",
        "Anger",
        "Eating Disorders",
        "Combat and Operational Stress Reaction",
        "Combat Stress Disorders",
        "Military Operations",
        "Military Activity",
        "Military Family"
      ],
      "interventions": [
        {
          "name": "Art Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 2,
      "start_date": "2021-10-30",
      "completion_date": "2024-01-25",
      "has_results": false,
      "last_update_posted_date": "2024-11-06",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04776304"
    },
    {
      "nct_id": "NCT03346252",
      "title": "The Effect of Botulinum Toxin A on Headache Attributed to TMD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Secondary Headache Disorder"
      ],
      "interventions": [
        {
          "name": "Botulinum Toxin type A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 74 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-08",
      "completion_date": "2021-03-15",
      "has_results": false,
      "last_update_posted_date": "2022-10-04",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03346252"
    },
    {
      "nct_id": "NCT05491915",
      "title": "The MONARCH Case Series Study: SPRINT® Peripheral Nerve Stimulation for the Treatment of Head Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervicogenic Headache",
        "Occipital Neuralgia"
      ],
      "interventions": [
        {
          "name": "SPRINT Peripheral Nerve Stimulation (PNS) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SPR Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2022-10-24",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 10,
      "location_summary": "Santa Rosa, California • Waltham, Massachusetts • Rochester, Minnesota + 7 more",
      "locations": [
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Waltham",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05491915"
    },
    {
      "nct_id": "NCT03806985",
      "title": "Effects of Psilocybin in Concussion Headache",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Low Dose Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "High Dose Psilocybin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-03-28",
      "completion_date": "2023-06-27",
      "has_results": false,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03806985"
    },
    {
      "nct_id": "NCT03478735",
      "title": "Ultrasound Greater Occipital Nerve Block at C2 Level Compared to Landmark-based Greater Occipital Nerve Block",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Occipital Neuralgia",
        "Cervicogenic Headache",
        "Migraine Without Aura"
      ],
      "interventions": [
        {
          "name": "Ultrasound Guided Greater Occipital Nerve Block at C2",
          "type": "PROCEDURE"
        },
        {
          "name": "Landmark-Based Greater Occipital Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-07-17",
      "completion_date": "2021-06-14",
      "has_results": false,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-10-01T15:28:37.552Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03478735"
    }
  ]
}