{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=32-gauge+needle",
    "query": {
      "intervention": "32-gauge needle"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T09:08:44.681Z",
  "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": "NCT01940367",
      "title": "Electrical Nerve Stimulation for Overactive Bladder a Comparison of Treatments",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overactive Bladder",
        "Urge Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "PTNS (Percutaneous Tibial Nerve Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "TENS (Transcutaneous Electrical Nerve Stimulation)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 114,
      "start_date": "2013-10",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-28",
      "last_synced_at": "2026-09-11T09:08:44.681Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland • Fort Belvoir, Virginia • Portsmouth, Virginia",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Fort Belvoir",
          "state": "Virginia"
        },
        {
          "city": "Portsmouth",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01940367"
    },
    {
      "nct_id": "NCT01981174",
      "title": "A Pilot Study of Needle Size and Pain Perception With Botulinum Toxin A Injections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "30-gauge needle",
          "type": "PROCEDURE"
        },
        {
          "name": "32-gauge needle",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 70 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2013-11",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2021-12-06",
      "last_synced_at": "2026-09-11T09:08:44.681Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01981174"
    },
    {
      "nct_id": "NCT02142114",
      "title": "Assessment of Comfort Level Following an Intravitreal Injection by 30 or 32 Gauge Needles",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Eye injection by 30 or 32 gauge needle",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Retina Health Center",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "2014-05",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2015-12-21",
      "last_synced_at": "2026-09-11T09:08:44.681Z",
      "location_count": 1,
      "location_summary": "Fort Myers, Florida",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02142114"
    },
    {
      "nct_id": "NCT05507164",
      "title": "Characterization of the Temporo-masseteric Nerve Block (TMNB) in Healthy Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Occlusion"
      ],
      "interventions": [
        {
          "name": "Temporomasseteric Nerve Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-10-10",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-09-11T09:08:44.681Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05507164"
    }
  ]
}