{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Immunohistochemistry+staining",
    "query": {
      "intervention": "Immunohistochemistry staining"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 159,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Immunohistochemistry+staining&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T20:25:34.683Z",
  "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": "NCT01012804",
      "title": "Study of Biomarkers in Tissue Samples From Patients With Metastatic Colon Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "western blotting",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Georgetown University",
      "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": "2000-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-03-24",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "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/NCT01012804"
    },
    {
      "nct_id": "NCT00499655",
      "title": "Erlotinib Hydrochloride With or Without Celecoxib in Treating Patients With Stage IIIB-IV Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Non-small Cell Lung Cancer",
        "Stage IIIB Non-small Cell Lung Cancer",
        "Stage IV Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "celecoxib",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2007-11",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 2,
      "location_summary": "Duarte, California • South Pasadena, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "South Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499655"
    },
    {
      "nct_id": "NCT01682044",
      "title": "Pegfilgrastim and Rituximab in Treating Patients With Untreated, Relapsed, or Refractory Follicular Lymphoma, Small Lymphocytic Lymphoma, or Marginal Zone Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Contiguous Stage II Grade 1 Follicular Lymphoma",
        "Contiguous Stage II Grade 2 Follicular Lymphoma",
        "Contiguous Stage II Grade 3 Follicular Lymphoma",
        "Contiguous Stage II Marginal Zone Lymphoma",
        "Contiguous Stage II Small Lymphocytic Lymphoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Noncontiguous Stage II Grade 1 Follicular Lymphoma",
        "Noncontiguous Stage II Grade 2 Follicular Lymphoma",
        "Noncontiguous Stage II Grade 3 Follicular Lymphoma",
        "Noncontiguous Stage II Marginal Zone Lymphoma",
        "Noncontiguous Stage II Small Lymphocytic Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Stage I Grade 1 Follicular Lymphoma",
        "Stage I Grade 2 Follicular Lymphoma",
        "Stage I Grade 3 Follicular Lymphoma",
        "Stage I Marginal Zone Lymphoma",
        "Stage I Small Lymphocytic Lymphoma",
        "Stage III Grade 1 Follicular Lymphoma",
        "Stage III Grade 2 Follicular Lymphoma",
        "Stage III Grade 3 Follicular Lymphoma",
        "Stage III Marginal Zone Lymphoma",
        "Stage III Small Lymphocytic Lymphoma",
        "Stage IV Grade 1 Follicular Lymphoma",
        "Stage IV Grade 2 Follicular Lymphoma",
        "Stage IV Grade 3 Follicular Lymphoma",
        "Stage IV Marginal Zone Lymphoma",
        "Stage IV Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "pegfilgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "western blotting",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE",
        "GENETIC"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2007-04-17",
      "completion_date": "2016-12-22",
      "has_results": true,
      "last_update_posted_date": "2017-10-09",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682044"
    },
    {
      "nct_id": "NCT00899665",
      "title": "Proteases in Patients With Prostate Cancer That Has Spread to the Bone",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia",
        "Metastatic Cancer",
        "Myelodysplastic Syndromes",
        "Precancerous Condition",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "molecular diagnostic method",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "immunoscintigraphy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 31,
      "start_date": "2001-07",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2014-02-11",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899665"
    },
    {
      "nct_id": "NCT01340599",
      "title": "Defined Green Tea Catechin Extract in Treating Patients With Localized Prostate Cancer Undergoing Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage I Prostate Cancer",
        "Stage IIA Prostate Cancer",
        "Stage IIB Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "defined green tea catechin extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "45 Years to 75 Years · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2006-10",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01340599"
    },
    {
      "nct_id": "NCT01118351",
      "title": "Sunitinib Malate in Treating Patients With Recurrent Transitional Cell Bladder Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Bladder Cancer",
        "Transitional Cell Carcinoma of the Bladder"
      ],
      "interventions": [
        {
          "name": "sunitinib malate",
          "type": "DRUG"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "TdT-mediated dUTP nick end labeling assay",
          "type": "OTHER"
        },
        {
          "name": "light microscopy",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive 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": 19,
      "start_date": "2008-10",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2019-05-01",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01118351"
    },
    {
      "nct_id": "NCT06606028",
      "title": "Tumor-Informed ctDNA Testing for MRD Following Treatment of Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Squamous Cell Carcinoma of Head and Neck",
        "Squamous Cell Carcinoma Head and Neck Cancer (HNSCC)",
        "Squamous Cell Carcinoma of Skin",
        "Cutaneous Squamous Cell Carcinoma (CSCC)"
      ],
      "interventions": [
        {
          "name": "Blood Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor Tissue Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 250,
      "start_date": "2024-10-09",
      "completion_date": "2029-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06606028"
    },
    {
      "nct_id": "NCT00049010",
      "title": "Diagnostic Study to Predict the Risk of Developing Metastatic Cancer in Patients With Stage I or Stage II Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "comparative genomic hybridization",
          "type": "GENETIC"
        },
        {
          "name": "cytogenetic analysis",
          "type": "GENETIC"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 314,
      "start_date": "2002-09",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 27,
      "location_summary": "Chicago, Illinois • Cedar Rapids, Iowa • Boston, Massachusetts + 17 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049010"
    },
    {
      "nct_id": "NCT00003800",
      "title": "Diagnostic Study of Patients With Stage I Testicular Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "radionuclide imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "15 Years to 120 Years · Male only"
      },
      "enrollment_count": 76,
      "start_date": "1999-11-16",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 12,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana • Cedar Rapids, Iowa + 7 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003800"
    },
    {
      "nct_id": "NCT00410956",
      "title": "Floxuridine and Dexamethasone as a Hepatic Arterial Infusion and Bevacizumab in Treating Patients With Primary Liver Cancer That Cannot be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver Cancer"
      ],
      "interventions": [
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "floxuridine",
          "type": "DRUG"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "dynamic contrast-enhanced magnetic resonance imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 22,
      "start_date": "2007-05-09",
      "completion_date": "2024-05-07",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-09-17T20:25:34.683Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00410956"
    }
  ]
}