{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+IV+B+Rectal+Cancer",
    "query": {
      "condition": "Stage IV B Rectal Cancer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+IV+B+Rectal+Cancer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T13:34:07.133Z",
  "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": "NCT00280761",
      "title": "Biomarkers in Patients With Rectal Cancer Undergoing Chemotherapy and Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "5-fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "UNC Lineberger 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": 47,
      "start_date": "2003-12",
      "completion_date": "2021-09-19",
      "has_results": false,
      "last_update_posted_date": "2022-08-11",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280761"
    },
    {
      "nct_id": "NCT00020579",
      "title": "MS-275 in Treating Patients With Advanced Solid Tumors or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "entinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2001-03",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020579"
    },
    {
      "nct_id": "NCT03329950",
      "title": "A Study of CDX-1140 (CD40) as Monotherapy or in Combination in Patients With Advanced Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma",
        "Non-small Cell Lung Cancer",
        "Breast Cancer",
        "Gastric Cancer",
        "Renal Cell Carcinoma",
        "Ovarian Cancer",
        "Cholangiocarcinoma",
        "Bladder Urothelial Carcinoma",
        "Pancreatic Adenocarcinoma",
        "Colorectal Cancer",
        "Esophageal Cancer",
        "Hepatic Cancer",
        "Head and Neck Cancer",
        "Primary Peritoneal Cancer",
        "Fallopian Tube Cancer",
        "Other Solid Tumors",
        "Diffuse Large B-cell Lymphoma (DLBCL)",
        "Mantle Cell Lymphoma",
        "Indolent B-cell Lymphomas",
        "Non-Hodgkin Lymphoma",
        "Follicular Lymphoma",
        "Lymphoplasmacytic Lymphoma",
        "Waldenstrom's Disease",
        "Marginal Zone Lymphoma",
        "Mucosa Associated Lymphoid Tissue",
        "Small Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "CDX-1140",
          "type": "DRUG"
        },
        {
          "name": "CDX-301",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celldex Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2017-12-01",
      "completion_date": "2022-09-13",
      "has_results": false,
      "last_update_posted_date": "2024-03-28",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 11,
      "location_summary": "Scottsdale, Arizona • Atlanta, Georgia • Augusta, Georgia + 7 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03329950"
    },
    {
      "nct_id": "NCT00161187",
      "title": "Irradiated Donor Lymphocyte Infusion in Treating Patients With Relapsed or Refractory Hematologic Cancer or Solid Tumor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 37,
      "start_date": "2001-05",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2015-11-06",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00161187"
    },
    {
      "nct_id": "NCT00049296",
      "title": "Thalidomide and Docetaxel in Treating Patients With Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "thalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 26,
      "start_date": "2002-07",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2010-06-11",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049296"
    },
    {
      "nct_id": "NCT00019513",
      "title": "Combination Chemotherapy in Treating Patients With Recurrent, Refractory, or Metastatic Solid Tumors or Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Esophageal Cancer",
        "Extrahepatic Bile Duct Cancer",
        "Gallbladder Cancer",
        "Liver Cancer",
        "Lung Cancer",
        "Lymphoma",
        "Pancreatic Cancer",
        "Small Intestine Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "1998-08",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-23",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00019513"
    },
    {
      "nct_id": "NCT01821105",
      "title": "2 Phase Comparison of Pre-operative CT and PET Images for Metastatic Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Stage IV A Bladder Cancer",
        "Stage IV A Rectal Cancer",
        "Stage IV B Colon Cancer",
        "Stage IV B Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "PET Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "CT Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "computer-aided detection/diagnosis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Ohio State University 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": 21,
      "start_date": "2004-03",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2016-03-02",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01821105"
    },
    {
      "nct_id": "NCT05334069",
      "title": "Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Ann Arbor Stage I Lymphoma",
        "Ann Arbor Stage II Lymphoma",
        "Ann Arbor Stage III Lymphoma",
        "Ann Arbor Stage IV Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Chronic Myeloid Leukemia",
        "Gastroesophageal Junction Adenocarcinoma",
        "Head and Neck Carcinoma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Invasive Breast Carcinoma",
        "Kidney Carcinoma",
        "Malignant Hepatobiliary Neoplasm",
        "Malignant Solid Neoplasm",
        "Melanoma",
        "Muscle-Invasive Bladder Carcinoma",
        "RISS Stage I Plasma Cell Myeloma",
        "RISS Stage II Plasma Cell Myeloma",
        "RISS Stage III Plasma Cell Myeloma",
        "Sarcoma",
        "Stage I Bladder Cancer AJCC v6 and v7",
        "Stage I Breast Cancer AJCC v7",
        "Stage I Colorectal Cancer AJCC v6 and v7",
        "Stage I Esophageal Cancer AJCC V7",
        "Stage I Gastric Cancer AJCC V7",
        "Stage I Lung Cancer AJCC v7",
        "Stage I Ovarian Cancer AJCC v6 and v7",
        "Stage I Pancreatic Cancer AJCC v6 and v7",
        "Stage I Prostate Cancer AJCC v7",
        "Stage I Uterine Corpus Cancer AJCC v7",
        "Stage II Bladder Cancer AJCC v6 and v7",
        "Stage II Breast Cancer AJCC v6 and v7",
        "Stage II Colorectal Cancer AJCC v7",
        "Stage II Esophageal Cancer AJCC v7",
        "Stage II Gastric Cancer AJCC v7",
        "Stage II Lung Cancer AJCC v7",
        "Stage II Ovarian Cancer AJCC v6 and v7",
        "Stage II Pancreatic Cancer AJCC v6 and v7",
        "Stage II Prostate Cancer AJCC v7",
        "Stage II Uterine Corpus Cancer AJCC v7",
        "Stage III Bladder Cancer AJCC v6 and v7",
        "Stage III Breast Cancer AJCC v7",
        "Stage III Colorectal Cancer AJCC v7",
        "Stage III Esophageal Cancer AJCC v7",
        "Stage III Gastric Cancer AJCC v7",
        "Stage III Lung Cancer AJCC v7",
        "Stage III Ovarian Cancer AJCC v6 and v7",
        "Stage III Pancreatic Cancer AJCC v6 and v7",
        "Stage III Prostate Cancer AJCC v7",
        "Stage III Uterine Corpus Cancer AJCC v7",
        "Stage IV Bladder Cancer AJCC v7",
        "Stage IV Breast Cancer AJCC v6 and v7",
        "Stage IV Colorectal Cancer AJCC v7",
        "Stage IV Esophageal Cancer AJCC v7",
        "Stage IV Gastric Cancer AJCC v7",
        "Stage IV Lung Cancer AJCC v7",
        "Stage IV Ovarian Cancer AJCC v6 and v7",
        "Stage IV Pancreatic Cancer AJCC v6 and v7",
        "Stage IV Prostate Cancer AJCC v7",
        "Stage IV Uterine Corpus Cancer AJCC v7",
        "Thyroid Gland Carcinoma"
      ],
      "interventions": [
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2022-08-18",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 745,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 501 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05334069"
    },
    {
      "nct_id": "NCT00899496",
      "title": "Laboratory Assay in Determining Cancer Resistance in Patients With Metastatic Cancer and in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "immunological diagnostic method",
          "type": "OTHER"
        },
        {
          "name": "physiologic testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 54,
      "start_date": "2005-09",
      "completion_date": "2009-10-23",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899496"
    },
    {
      "nct_id": "NCT01638533",
      "title": "Romidepsin in Treating Patients With Lymphoma, Chronic Lymphocytic Leukemia, or Solid Tumors With Liver Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Lymphoma",
        "Metastatic Malignant Solid Neoplasm",
        "Neuroendocrine Neoplasm",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Bladder Carcinoma",
        "Recurrent Breast Carcinoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Colorectal Carcinoma",
        "Recurrent Head and Neck Carcinoma",
        "Recurrent Lung Carcinoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Melanoma",
        "Recurrent Pancreatic Carcinoma",
        "Recurrent Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Prostate Carcinoma",
        "Recurrent Renal Cell Carcinoma",
        "Recurrent Thyroid Gland Carcinoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma",
        "Refractory Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Stage III Breast Cancer AJCC v7",
        "Stage III Colorectal Cancer AJCC v7",
        "Stage III Cutaneous Melanoma AJCC v7",
        "Stage III Lung Cancer AJCC v7",
        "Stage III Pancreatic Cancer AJCC v6 and v7",
        "Stage III Prostate Cancer AJCC v7",
        "Stage III Renal Cell Cancer AJCC v7",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIA Colorectal Cancer AJCC v7",
        "Stage IIIA Cutaneous Melanoma AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIB Colorectal Cancer AJCC v7",
        "Stage IIIB Cutaneous Melanoma AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7",
        "Stage IIIC Colorectal Cancer AJCC v7",
        "Stage IIIC Cutaneous Melanoma AJCC v7",
        "Stage IV Breast Cancer AJCC v6 and v7",
        "Stage IV Colorectal Cancer AJCC v7",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7",
        "Stage IV Lung Cancer AJCC v7",
        "Stage IV Pancreatic Cancer AJCC v6 and v7",
        "Stage IV Prostate Cancer AJCC v7",
        "Stage IV Renal Cell Cancer AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Stage IVA Colorectal Cancer AJCC v7",
        "Stage IVB Colorectal Cancer AJCC v7",
        "Unresectable Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Romidepsin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2012-08-03",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-09-18T13:34:07.133Z",
      "location_count": 11,
      "location_summary": "Duarte, California • Sacramento, California • Atlanta, Georgia + 8 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01638533"
    }
  ]
}