{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signet+Ring+Adenocarcinoma+of+the+Rectum",
    "query": {
      "condition": "Signet Ring Adenocarcinoma of the Rectum"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signet+Ring+Adenocarcinoma+of+the+Rectum&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:32:45.848Z",
  "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": "NCT00068692",
      "title": "Comparison of Adjuvant Chemotherapy Regimens in Treating Stage II/III Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rectal Mucinous Adenocarcinoma",
        "Rectal Signet Ring Cell Adenocarcinoma",
        "Recurrent Rectal Carcinoma",
        "Stage IIA Rectal Cancer AJCC v7",
        "Stage IIB Rectal Cancer AJCC v7",
        "Stage IIC Rectal Cancer AJCC v7",
        "Stage IIIA Rectal Cancer AJCC v7",
        "Stage IIIB Rectal Cancer AJCC v7",
        "Stage IIIC Rectal Cancer AJCC v7",
        "Stage IVA Rectal Cancer AJCC v7",
        "Stage IVB Rectal Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "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": 225,
      "start_date": "2003-10-15",
      "completion_date": "2016-11-15",
      "has_results": true,
      "last_update_posted_date": "2018-12-04",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00068692"
    },
    {
      "nct_id": "NCT02270606",
      "title": "Phase I Study of Neoadjuvant Radiotherapy With 5-Fluorouracil for Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Rectal Adenocarcinoma",
        "Stage IIA Rectal Cancer",
        "Stage IIB Rectal Cancer",
        "Stage IIC Rectal Cancer",
        "Stage IIIA Rectal Cancer",
        "Stage IIIB Rectal Cancer",
        "Stage IIIC Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2014-12-04",
      "completion_date": "2021-05-13",
      "has_results": false,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02270606"
    },
    {
      "nct_id": "NCT00002796",
      "title": "Phase I-II Study of Fluorouracil in Combination With Phenylbutyrate in Advanced Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IVA Colon Cancer",
        "Stage IVA Rectal Cancer",
        "Stage IVB Colon Cancer",
        "Stage IVB Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "sodium phenylbutyrate",
          "type": "DRUG"
        },
        {
          "name": "indomethacin",
          "type": "DRUG"
        },
        {
          "name": "recombinant interferon gamma",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 46,
      "start_date": "1997-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-01",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002796"
    },
    {
      "nct_id": "NCT01934179",
      "title": "Telomere Length in Predicting Toxicity in Older Patients With Stage III-IV Colorectal Cancer Undergoing Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IIIA Colon Cancer",
        "Stage IIIA Rectal Cancer",
        "Stage IIIB Colon Cancer",
        "Stage IIIB Rectal Cancer",
        "Stage IIIC Colon Cancer",
        "Stage IIIC Rectal Cancer",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2013-10",
      "completion_date": "2015-09-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01934179"
    },
    {
      "nct_id": "NCT02110953",
      "title": "Irinotecan-Eluting Beads in Treating Patients With Refractory Metastatic Colon or Rectal Cancer That Has Spread to the Liver",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liver Metastases",
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IVA Colon Cancer",
        "Stage IVA Rectal Cancer",
        "Stage IVB Colon Cancer",
        "Stage IVB Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "irinotecan-eluting beads",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "hepatic artery embolization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "PROCEDURE"
      ],
      "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": 2,
      "start_date": "2016-01-29",
      "completion_date": "2017-08-16",
      "has_results": false,
      "last_update_posted_date": "2018-02-26",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110953"
    },
    {
      "nct_id": "NCT01814501",
      "title": "Panitumumab and Chemotherapy in Patients With Advanced Colorectal Cancer After Prior Therapy With Bevacizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "panitumumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "John Hays",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2013-02-01",
      "completion_date": "2018-08-06",
      "has_results": true,
      "last_update_posted_date": "2025-02-05",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Nashville, Tennessee",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01814501"
    },
    {
      "nct_id": "NCT00004178",
      "title": "Gene Therapy in Treating Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic autologous lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Roger Williams 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": null,
      "start_date": "1998-04",
      "completion_date": "2001-12",
      "has_results": false,
      "last_update_posted_date": "2011-06-10",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004178"
    },
    {
      "nct_id": "NCT00052585",
      "title": "Gefitinib and Combination Chemotherapy in Treating Patients With Advanced or Recurrent Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Colon",
        "Adenocarcinoma of the Rectum",
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 50,
      "start_date": "2002-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00052585"
    },
    {
      "nct_id": "NCT01643499",
      "title": "Genotype-guided Dosing of mFOLFIRINOX Chemotherapy in Patients With Previously Untreated Advanced Gastrointestinal Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acinar Cell Adenocarcinoma of the Pancreas",
        "Adenocarcinoma of the Gallbladder",
        "Adenocarcinoma of Unknown Primary",
        "Adult Primary Cholangiocellular Carcinoma",
        "Advanced Adult Primary Liver Cancer",
        "Cholangiocarcinoma of the Extrahepatic Bile Duct",
        "Cholangiocarcinoma of the Gallbladder",
        "Diffuse Adenocarcinoma of the Stomach",
        "Duct Cell Adenocarcinoma of the Pancreas",
        "Intestinal Adenocarcinoma of the Stomach",
        "Localized Unresectable Adult Primary Liver Cancer",
        "Metastatic Carcinoma of Unknown Primary",
        "Metastatic Extrahepatic Bile Duct Cancer",
        "Mixed Adenocarcinoma of the Stomach",
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Newly Diagnosed Carcinoma of Unknown Primary",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage III Pancreatic Cancer",
        "Stage IIIA Colon Cancer",
        "Stage IIIA Gallbladder Cancer",
        "Stage IIIA Gastric Cancer",
        "Stage IIIA Rectal Cancer",
        "Stage IIIB Colon Cancer",
        "Stage IIIB Gallbladder Cancer",
        "Stage IIIB Gastric Cancer",
        "Stage IIIB Rectal Cancer",
        "Stage IIIC Colon Cancer",
        "Stage IIIC Gastric Cancer",
        "Stage IIIC Rectal Cancer",
        "Stage IV Gastric Cancer",
        "Stage IV Pancreatic Cancer",
        "Stage IVA Colon Cancer",
        "Stage IVA Gallbladder Cancer",
        "Stage IVA Rectal Cancer",
        "Stage IVB Colon Cancer",
        "Stage IVB Gallbladder Cancer",
        "Stage IVB Rectal Cancer",
        "Unresectable Extrahepatic Bile Duct Cancer"
      ],
      "interventions": [
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2012-03-26",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2020-05-08",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Evanston, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01643499"
    },
    {
      "nct_id": "NCT02235324",
      "title": "Ziv-Aflibercept Followed by Ziv-Aflibercept, Fluorouracil, and Leucovorin Calcium in Treating Patients With Stage IV Colorectal Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IVA Colon Cancer",
        "Stage IVA Rectal Cancer",
        "Stage IVB Colon Cancer",
        "Stage IVB Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "ziv-aflibercept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "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": "2015-03",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-05-21T22:32:45.848Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02235324"
    }
  ]
}