{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sphenopalatine+Block&page=2",
    "query": {
      "intervention": "Sphenopalatine Block",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sphenopalatine+Block&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T22:35:28.595Z",
  "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": "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": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04331938"
    },
    {
      "nct_id": "NCT01709708",
      "title": "Use of the Tx360 Nasal Applicator in the Treatment of Chronic Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Migraine"
      ],
      "interventions": [
        {
          "name": "Marcaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tian Medical Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 41,
      "start_date": "2012-09",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2018-01-26",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Springfield, Missouri",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01709708"
    },
    {
      "nct_id": "NCT01939314",
      "title": "Sphenopalatine Nerve Block for Headache Tx360",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Headache",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "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": 93,
      "start_date": "2012-10",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-07-27",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939314"
    },
    {
      "nct_id": "NCT03984045",
      "title": "SPG Block for Acute Pediatric Migraine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Migraine in Children",
        "Sphenopalatine Neuralgia",
        "Migraine in Adolescence"
      ],
      "interventions": [
        {
          "name": "Lidocaine topical",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Newark Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "10 Years to 20 Years"
      },
      "enrollment_count": 72,
      "start_date": "2019-06-06",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-11-17",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03984045"
    },
    {
      "nct_id": "NCT03112720",
      "title": "Therapeutic Epidural Patch Versus Pain Block in the Midface for Headache",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postdural Puncture Headache"
      ],
      "interventions": [
        {
          "name": "Epidural Blood Patch",
          "type": "DEVICE"
        },
        {
          "name": "Sphenopalatine Ganglion Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "92 Years",
        "sex": "ALL",
        "summary": "13 Years to 92 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-09",
      "completion_date": "2020-09",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 2,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03112720"
    },
    {
      "nct_id": "NCT03780478",
      "title": "Preoperative Nerve Block for Rhinoplasty/Septoplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Nasal Fracture",
        "Deviated Nasal Septum"
      ],
      "interventions": [
        {
          "name": "Nerve block",
          "type": "DRUG"
        },
        {
          "name": "Placebo Saline Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2019-06-17",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03780478"
    },
    {
      "nct_id": "NCT00927888",
      "title": "Postoperative Pain and Functional Patient Outcomes After Functional Endoscopic Sinus Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Block",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 56,
      "start_date": "2007-08",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00927888"
    },
    {
      "nct_id": "NCT02181205",
      "title": "Sphenopalatine Ganglion Block for Post-Dural Puncture Headache",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postdural Puncture Headache",
        "Sphenopalatine Ganglion Block"
      ],
      "interventions": [
        {
          "name": "bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2014-11",
      "completion_date": "2016-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02181205"
    },
    {
      "nct_id": "NCT05707754",
      "title": "Sphenopalatine Ganglion Block Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sphenopalatine Ganglion Nerve Block"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "angiocatheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2023-03-06",
      "completion_date": "2024-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05707754"
    },
    {
      "nct_id": "NCT01761604",
      "title": "A Nasal Applicator for the Treatment of Trigeminal Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trigeminal Neuralgia"
      ],
      "interventions": [
        {
          "name": "Nasal ganglion block for TN",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Chicago Anesthesia Pain Specialists",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2011-12",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-09-14",
      "last_synced_at": "2026-09-21T22:35:28.595Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01761604"
    }
  ]
}