{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=22-gauge+needle&page=2",
    "query": {
      "intervention": "22-gauge needle",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 81,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=22-gauge+needle&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=22-gauge+needle&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T02:00:13.964Z",
  "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": "NCT01598194",
      "title": "Comparison of a Novel 22-gauge Core Biopsy Needle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Solid Pancreatic Mass Lesions",
        "Malignant Neoplasm of Pancreas"
      ],
      "interventions": [
        {
          "name": "Novel 22-gauge Core Biopsy Needle + Standard Biopsy Needle",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2012-01-30",
      "completion_date": "2017-07-06",
      "has_results": true,
      "last_update_posted_date": "2018-12-27",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01598194"
    },
    {
      "nct_id": "NCT02219308",
      "title": "Pain Control for Intrauterine Device Placement Using Paracervical Block",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain Due to Intrauterine Contraceptive Device"
      ],
      "interventions": [
        {
          "name": "Paracervical Block (PCB)",
          "type": "PROCEDURE"
        },
        {
          "name": "No Paracervical Block (Sham PCB)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 67,
      "start_date": "2014-10",
      "completion_date": "2017-10",
      "has_results": true,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 2,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02219308"
    },
    {
      "nct_id": "NCT02822196",
      "title": "Serratus Anterior Muscle Plane Block vsThoracic Paravertebral Block For Unilateral Mastectomies",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Mastectomy",
        "Regional Anesthesia",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2018-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02822196"
    },
    {
      "nct_id": "NCT02218814",
      "title": "Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block, Bupivacaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block, Bupivacaine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "George Macrinici",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 106,
      "start_date": "2014-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Joliet, Illinois",
      "locations": [
        {
          "city": "Joliet",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02218814"
    },
    {
      "nct_id": "NCT05094427",
      "title": "Perioperative Local Anesthesia Block in Spine Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lumbar Spine Disease",
        "Lumbar Disc Herniation",
        "Lumbar Spinal Stenosis"
      ],
      "interventions": [
        {
          "name": "Preoperative fluoroscopically-guided dorsal ramus block placed by the operative neurosurgeon",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2021-03-10",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-13",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05094427"
    },
    {
      "nct_id": "NCT02678442",
      "title": "Endoscopic Ultrasound Guided Fine Needle Biopsy (EUS-FNB-SC) Using a Novel Fork Needle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Fine Needle Biopsy (FNB)",
          "type": "DEVICE"
        },
        {
          "name": "Fine Needle Aspiration (FNA)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 50,
      "start_date": "2016-05-16",
      "completion_date": "2018-11-10",
      "has_results": true,
      "last_update_posted_date": "2020-01-06",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678442"
    },
    {
      "nct_id": "NCT03053401",
      "title": "Ultrasound Guided Adductor Canal Versus Femoral Nerve Blocks for Anterior Cruciate Ligament Reconstruction in Pediatrics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pain",
        "Quadriceps Muscle Strength"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Stimuplex A needle",
          "type": "DEVICE"
        },
        {
          "name": "local anaesthetic injection",
          "type": "DRUG"
        },
        {
          "name": "Steroid Drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Akron Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 52,
      "start_date": "2017-02-09",
      "completion_date": "2019-10-25",
      "has_results": true,
      "last_update_posted_date": "2020-12-28",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Akron, Ohio",
      "locations": [
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03053401"
    },
    {
      "nct_id": "NCT03305666",
      "title": "Trial of Injected Liposomal Bupivacaine vs Bupivacaine Infusion After Surgical Stabilization of Rib Fractures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Drug Effect",
        "Rib Fractures",
        "Rib Trauma",
        "Surgical Procedure, Unspecified",
        "Pain; Catheter (Other)",
        "Nerve Pain",
        "Local Infiltration",
        "Anesthesia, Local",
        "Intercostal Rib",
        "Opioid Dependence",
        "Chest Injury Trauma",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine injection",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine indwelling catheter",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2017-10-05",
      "completion_date": "2021-01-31",
      "has_results": true,
      "last_update_posted_date": "2021-09-29",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03305666"
    },
    {
      "nct_id": "NCT02838758",
      "title": "Compare Ultrasound Assisted Cold Therapy and Lidocaine Injection to Treat Morton's Neuroma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Intermetatarsal Neuroma"
      ],
      "interventions": [
        {
          "name": "Cryoablation",
          "type": "DEVICE"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-07",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2018-11-06",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02838758"
    },
    {
      "nct_id": "NCT04074226",
      "title": "ESP vs QL for Total Abdominal Hysterectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2021-03-20",
      "completion_date": "2023-03-21",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-10-02T02:00:13.964Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074226"
    }
  ]
}