{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sphenopalatine+ganglion+Block&page=2",
    "query": {
      "intervention": "Sphenopalatine ganglion Block",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sphenopalatine+ganglion+Block&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sphenopalatine+ganglion+Block&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T23:39:06.836Z",
  "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": "NCT04255420",
      "title": "SPG Blocks for Headaches",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Headache"
      ],
      "interventions": [
        {
          "name": "SPG Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard IV Treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Kendall Healthcare Group, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2020-02-21",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255420"
    },
    {
      "nct_id": "NCT04946656",
      "title": "A Study of SPG Block for Opioid Withdrawal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "sphenopalatine ganglion block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "22 Years to 60 Years"
      },
      "enrollment_count": 3,
      "start_date": "2023-02-03",
      "completion_date": "2025-09-03",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946656"
    },
    {
      "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": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06621329"
    },
    {
      "nct_id": "NCT04650282",
      "title": "Sphenopalatine Ganglion Block for Headache After Concussion",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Concussion",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Lidocaine in SphenoCath device",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Saline Solution in SphenoCath device",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 2,
      "start_date": "2021-03-18",
      "completion_date": "2021-04-06",
      "has_results": true,
      "last_update_posted_date": "2022-09-14",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04650282"
    },
    {
      "nct_id": "NCT04466826",
      "title": "Transnasal Sphenopalatine Ganglia Block for Management of Chronic Migraines in Pediatric Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine in Children",
        "Pain, Neuropathic"
      ],
      "interventions": [
        {
          "name": "Headache Journal",
          "type": "OTHER"
        },
        {
          "name": "Sphenopalatine Block",
          "type": "DRUG"
        },
        {
          "name": "Tx360",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-01-02",
      "completion_date": "2021-02-05",
      "has_results": false,
      "last_update_posted_date": "2021-02-10",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04466826"
    },
    {
      "nct_id": "NCT05743543",
      "title": "A Pilot Study of SPG Block for PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Sphenopalatine ganglion block",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 6,
      "start_date": "2019-05-28",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-16",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05743543"
    },
    {
      "nct_id": "NCT03970655",
      "title": "Functional Endoscopic Sinus Surgery Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Rhinosinusitis (Diagnosis)"
      ],
      "interventions": [
        {
          "name": "Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 1",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2019-09-25",
      "completion_date": "2026-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03970655"
    },
    {
      "nct_id": "NCT02809755",
      "title": "Sphenopalatine Ganglion Block to Prevent Shoulder Pain After Laparoscopic Bariatric Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "4% Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "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": 0,
      "start_date": "2016-08-08",
      "completion_date": "2017-04-03",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02809755"
    },
    {
      "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": "2026-10-06T23:39:06.836Z",
      "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": "NCT03560349",
      "title": "RCT of SPG Blocks for Post-dural Headache",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-Dural Puncture Headache"
      ],
      "interventions": [
        {
          "name": "Lidocaine HCl Gel 2%",
          "type": "DRUG"
        },
        {
          "name": "placebo gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2018-07-01",
      "completion_date": "2019-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-13",
      "last_synced_at": "2026-10-06T23:39:06.836Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560349"
    }
  ]
}