{
  "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": 33,
    "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": "2026-10-09T20:31:22.931Z",
  "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": "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": "2026-10-09T20:31:22.931Z",
      "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": "NCT05365880",
      "title": "Sphenopalatine Ganglion Block for the Treatment of Post-Stroke Headache",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Headache",
        "Stroke",
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Liquid Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-03-23",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-13",
      "last_synced_at": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05365880"
    },
    {
      "nct_id": "NCT02670057",
      "title": "Sphenopalatine Ganglion Block to Treat Shoulder Pain During and/or After Cesarean",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ipsilateral Shoulder Pain"
      ],
      "interventions": [
        {
          "name": "Transnasal SPG block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 117,
      "start_date": "2015-11",
      "completion_date": "2017-12-12",
      "has_results": false,
      "last_update_posted_date": "2017-12-14",
      "last_synced_at": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02670057"
    },
    {
      "nct_id": "NCT02365909",
      "title": "Study Evaluating Sphenopalatine Ganglion Block (SPGB) for Treatment of Postdural Puncture Headache (PDPH)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Postdural Puncture Headache"
      ],
      "interventions": [
        {
          "name": "0.5% bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2015-06-29",
      "completion_date": "2016-08-30",
      "has_results": false,
      "last_update_posted_date": "2017-09-18",
      "last_synced_at": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02365909"
    },
    {
      "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": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04650282"
    },
    {
      "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": "2026-10-09T20:31:22.931Z",
      "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": "NCT03666663",
      "title": "Sphenopalatine Ganglion Blocks RCT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "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": "2019-02-01",
      "completion_date": "2021-07-08",
      "has_results": true,
      "last_update_posted_date": "2021-10-11",
      "last_synced_at": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03666663"
    },
    {
      "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": "2026-10-09T20:31:22.931Z",
      "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": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06621329"
    },
    {
      "nct_id": "NCT02733393",
      "title": "Sphenopalatine Ganglion Block to Treat Shoulder Pain After Thoracotomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ipsilateral Shoulder Pain"
      ],
      "interventions": [
        {
          "name": "Sphenopalatine Ganglion (SPG) Block",
          "type": "PROCEDURE"
        },
        {
          "name": "lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "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": "2015-09",
      "completion_date": "2017-09-05",
      "has_results": false,
      "last_update_posted_date": "2017-10-02",
      "last_synced_at": "2026-10-09T20:31:22.931Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02733393"
    }
  ]
}