{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fine+Needle+Aspiration+%28FNA%29",
    "query": {
      "intervention": "Fine Needle Aspiration (FNA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 171,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fine+Needle+Aspiration+%28FNA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T22:42:37.618Z",
  "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": "NCT02321527",
      "title": "Feasibility of Ultrasound Microbubble Contrast-Enhanced (CEUS) Sentinel Lymph Node Imaging With Guided Biopsy in Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Perflutren Protein-Type A Microspheres Injectable Suspension",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound (CEUS)",
          "type": "DEVICE"
        },
        {
          "name": "Biopsy + Radioactive Seed Placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Phone Call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2015-07",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02321527"
    },
    {
      "nct_id": "NCT01166763",
      "title": "Modulation of Breast Cancer Risk Biomarkers by High Dose Vitamin D",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Carol Fabian, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "Up to 55 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2009-05",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2016-07-18",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01166763"
    },
    {
      "nct_id": "NCT06224933",
      "title": "Augmented Reality For MRI-Guided Interventions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infections",
        "Pain",
        "Diagnosis"
      ],
      "interventions": [
        {
          "name": "Augmented Reality System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 25,
      "start_date": "2024-02-06",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06224933"
    },
    {
      "nct_id": "NCT00813878",
      "title": "Nipple Secretion Samples in Detecting Breast Cancer in Patients and Healthy Participants Undergoing Breast Cancer Screening, Breast Diagnostic Studies, or Treatment for Benign Breast Disease",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "protein analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "diagnostic laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "fine-needle aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "needle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "radiomammography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 126,
      "start_date": "2001-07",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00813878"
    },
    {
      "nct_id": "NCT01356030",
      "title": "Endoscopic Ultrasound Versus Endoscopic Retrograde Cholangiopancreatography (ERCP) Tissue Sampling for the Diagnosis of Suspected Pancreatico-Biliary Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreaticobiliary Cancers",
        "Jaundice",
        "Bile Duct Obstruction"
      ],
      "interventions": [
        {
          "name": "ERCP",
          "type": "PROCEDURE"
        },
        {
          "name": "EUS FNA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2011-05",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-07-09",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356030"
    },
    {
      "nct_id": "NCT03910790",
      "title": "Liver Biopsy Using a 19 Gauge Fine Needle Biopsy Needle",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Biopsy"
      ],
      "interventions": [
        {
          "name": "19 gauge needle liver biopsy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AdventHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-03-20",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-07-16",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03910790"
    },
    {
      "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": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678442"
    },
    {
      "nct_id": "NCT00291135",
      "title": "Protocol for Women at Increased Risk of Developing Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Carol Fabian, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2003-01",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2016-06-15",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00291135"
    },
    {
      "nct_id": "NCT01259089",
      "title": "Hsp90 Inhibitor AUY922 and Erlotinib Hydrochloride in Treating Patients With Stage IIIB-IV Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Lung",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Hsp90 inhibitor AUY922",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "needle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE",
        "GENETIC"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2011-04-27",
      "completion_date": "2014-09-29",
      "has_results": true,
      "last_update_posted_date": "2019-09-11",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • New York, New York",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01259089"
    },
    {
      "nct_id": "NCT01698190",
      "title": "Comparing the Efficacy of Endoscopic FNA vs FNB in Diagnosing Solid Gastrointestinal Lesions",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreatic Tumor",
        "Gastric Tumor",
        "Esophageal Tumor",
        "Lymphadenopathy",
        "Duodenal Tumor"
      ],
      "interventions": [
        {
          "name": "Endoscopic ultrasound guided needle tissue acquisition.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2011-12",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-19",
      "last_synced_at": "2026-09-28T22:42:37.618Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01698190"
    }
  ]
}