{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=histological+technique",
    "query": {
      "intervention": "histological technique"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 262,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=histological+technique&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T03:08:27.816Z",
  "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": "NCT01332279",
      "title": "Everolimus, Erlotinib Hydrochloride, and Radiation Therapy in Treating Patients With Recurrent Head and Neck Cancer Previously Treated With Radiation Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Salivary Gland Squamous Cell Carcinoma",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "everolimus",
          "type": "DRUG"
        },
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "polyacrylamide gel electrophoresis",
          "type": "GENETIC"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "external beam radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "GENETIC",
        "RADIATION"
      ],
      "sponsor": "Fox Chase 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": 0,
      "start_date": "2011-04",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01332279"
    },
    {
      "nct_id": "NCT05697874",
      "title": "International Rare Brain Tumor Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Astroblastoma",
        "BCOR ITD Sarcoma",
        "CNS Sarcoma",
        "Unclassified Tumor, Malignant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "Up to 45 Years"
      },
      "enrollment_count": 5800,
      "start_date": "2023-01-01",
      "completion_date": "2033-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05697874"
    },
    {
      "nct_id": "NCT00695422",
      "title": "Detecting Anal and Genital Human Papillomavirus Infection and Squamous Intraepithelial Lesions in HIV-Positive Patients Enrolled in AIDS Cancer Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aids-related Malignancies",
        "Lymphoma",
        "Precancerous Condition",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "histological technique",
          "type": "OTHER"
        },
        {
          "name": "colposcopic biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2008-05-14",
      "completion_date": "2017-04-19",
      "has_results": false,
      "last_update_posted_date": "2020-08-10",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 10,
      "location_summary": "La Jolla, California • Los Angeles, California • San Francisco, California + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00695422"
    },
    {
      "nct_id": "NCT01344837",
      "title": "Biomarkers in Blood and Tissue Samples From Patients With Uterine Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Serous Adenocarcinoma",
        "Stage I Uterine Corpus Cancer",
        "Stage II Uterine Corpus Cancer",
        "Stage III Uterine Corpus Cancer",
        "Stage IV Uterine Corpus Cancer"
      ],
      "interventions": [
        {
          "name": "Diagnostic Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Immunohistochemistry Staining Method",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Microarray Analysis",
          "type": "GENETIC"
        },
        {
          "name": "Study of Socioeconomic and Demographic Variables",
          "type": "OTHER"
        },
        {
          "name": "Western Blotting",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 360,
      "start_date": "2010-01",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01344837"
    },
    {
      "nct_id": "NCT01476410",
      "title": "Brentuximab Vedotin and Combination Chemotherapy in Treating Older Patients With Previously Untreated Stage II-IV Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Lymphocyte Depletion Hodgkin Lymphoma",
        "Adult Lymphocyte Predominant Hodgkin Lymphoma",
        "Adult Mixed Cellularity Hodgkin Lymphoma",
        "Adult Nodular Sclerosis Hodgkin Lymphoma",
        "Stage II Adult Hodgkin Lymphoma",
        "Stage III Adult Hodgkin Lymphoma",
        "Stage IV Adult Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "brentuximab vedotin",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vinblastine",
          "type": "DRUG"
        },
        {
          "name": "dacarbazine",
          "type": "DRUG"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "RNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "GENETIC",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2011-11",
      "completion_date": "2020-05-26",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 7,
      "location_summary": "Stanford, California • Chicago, Illinois • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476410"
    },
    {
      "nct_id": "NCT01284010",
      "title": "Biomarkers in Blood and Bone Marrow Samples From Patients With Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2011-02",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2020-02-20",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01284010"
    },
    {
      "nct_id": "NCT00429988",
      "title": "Study of Ductal Lavage in Women at High Risk for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "breast duct lavage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 30,
      "start_date": "2002-08",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2012-09-26",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00429988"
    },
    {
      "nct_id": "NCT01339663",
      "title": "Vaccine Therapy Following Therapeutic Autologous Lymphocytes and Cyclophosphamide in Treating Patients With Metastatic Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Melanoma",
        "Stage IV Melanoma"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "aldesleukin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "autologous tumor cell vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "therapeutic autologous lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Fred Hutchinson 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": 12,
      "start_date": "2012-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01339663"
    },
    {
      "nct_id": "NCT01231399",
      "title": "Everolimus and Combination Chemotherapy in Treating Patients With Metastatic Stomach or Esophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Esophagus",
        "Adenocarcinoma of the Gastroesophageal Junction",
        "Diffuse Adenocarcinoma of the Stomach",
        "Intestinal Adenocarcinoma of the Stomach",
        "Mixed Adenocarcinoma of the Stomach",
        "Recurrent Esophageal Cancer",
        "Recurrent Gastric Cancer",
        "Stage IV Esophageal Cancer",
        "Stage IV Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "everolimus",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2012-02",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 3,
      "location_summary": "Duarte, California • South Pasadena, California • Tampa, Florida",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "South Pasadena",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231399"
    },
    {
      "nct_id": "NCT00898573",
      "title": "Lapatinib Resistance in Patients With Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "lapatinib ditosylate",
          "type": "DRUG"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "reverse transcriptase-polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "cell sorting",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2008-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-10-02",
      "last_synced_at": "2026-09-08T03:08:27.816Z",
      "location_count": 9,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898573"
    }
  ]
}