{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Technetium+Tc+99m+sulfur+colloid&page=2",
    "query": {
      "intervention": "Technetium Tc 99m sulfur colloid",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Technetium+Tc+99m+sulfur+colloid&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Technetium+Tc+99m+sulfur+colloid&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T13:04:10.908Z",
  "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": "NCT00541190",
      "title": "Absorptive Clearance in the Cystic Fibrosis Airway",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Technetium [Tc-99m] sulfur colloid and Indium [In-111] DTPA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2007-10",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2017-08-24",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00541190"
    },
    {
      "nct_id": "NCT02881554",
      "title": "Sulfur Colloid SPECT/CT in Measuring Liver Function in Patients With Primary or Metastatic Liver Cancer Undergoing Radiation Therapy or Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Intrahepatic Cholangiocarcinoma",
        "Stage IV Liver Cancer",
        "Stage IVA Liver Cancer",
        "Stage IVB Liver Cancer",
        "Vascular Thrombosis"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Single Photon Emission Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Technetium Tc-99m Sulfur Colloid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2016-12-21",
      "completion_date": "2025-02-09",
      "has_results": true,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02881554"
    },
    {
      "nct_id": "NCT05108090",
      "title": "Sentinel Lymph Node Biopsy for Cutaneous Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Squamous Cell Carcinoma",
        "Nonmelanoma Skin Cancer",
        "Cutaneous Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "sentinel lymph node biopsy (SLNB)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 94,
      "start_date": "2021-10-25",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05108090"
    },
    {
      "nct_id": "NCT00012168",
      "title": "Lymphoscintigraphy to Detect Early Metastases in Patients With Cancer of the Mouth or Throat",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "isosulfan blue",
          "type": "DRUG"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "lymphangiography",
          "type": "PROCEDURE"
        },
        {
          "name": "radionuclide imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "sentinel lymph node biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "technetium Tc 99m sulfur colloid",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": null,
      "start_date": "1999-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-03-11",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00012168"
    },
    {
      "nct_id": "NCT00832429",
      "title": "Lymph Node Mapping in Finding Metastatic Disease in Patients With Sebaceous Gland Cancer of the Eyelid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eyelid Sebaceous Gland Carcinoma"
      ],
      "interventions": [
        {
          "name": "Lymph Node Mapping",
          "type": "PROCEDURE"
        },
        {
          "name": "Sentinel Lymph Node Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Technetium Tc-99m Sulfur Colloid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson 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": 20,
      "start_date": "2009-02-25",
      "completion_date": "2024-08-27",
      "has_results": true,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00832429"
    },
    {
      "nct_id": "NCT02287675",
      "title": "Sentinel Lymph Node Biopsy Findings in Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Lymphoseek",
          "type": "DRUG"
        },
        {
          "name": "Sulfur Colloid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kettering Health Network",
      "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": 40,
      "start_date": "2015-01-19",
      "completion_date": "2017-08-31",
      "has_results": true,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Kettering, Ohio",
      "locations": [
        {
          "city": "Kettering",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02287675"
    },
    {
      "nct_id": "NCT04499742",
      "title": "Comparative Assessment of Radioisotope Glucose and Breath Test",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Intestinal Bacterial Overgrowth"
      ],
      "interventions": [
        {
          "name": "Using Isotope (Tc99m-Sulfur Colloid) to label glucose and administer this directly into duodenum.",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 25,
      "start_date": "2019-01-21",
      "completion_date": "2021-12-14",
      "has_results": false,
      "last_update_posted_date": "2020-08-05",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04499742"
    },
    {
      "nct_id": "NCT07121595",
      "title": "Personalized Neck Radiation Therapy Directed by Sentinel Lymph Node Biopsy for the Treatment of Oral Cavity Squamous Cell Carcinoma, PRECEDENT Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oral Cavity Squamous Cell Carcinoma",
        "Stage I Lip and Oral Cavity Cancer AJCC v8",
        "Stage II Lip and Oral Cavity Cancer AJCC v8",
        "Stage III Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVA Lip and Oral Cavity Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Modified Barium Swallow",
          "type": "PROCEDURE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Sentinel Lymph Node Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Single Photon Emission Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Technetium Tc 99m-labeled Tilmanocept",
          "type": "RADIATION"
        },
        {
          "name": "Technetium Tc-99m Sulfur Colloid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel 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": 50,
      "start_date": "2025-07-17",
      "completion_date": "2030-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07121595"
    },
    {
      "nct_id": "NCT07682649",
      "title": "Escalating Cycle 1 Dose of Lu-177-PSMA-617 for the Treatment of Metastatic Castration Resistant Prostate Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Castration-Resistant Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68 Gozetotide",
          "type": "OTHER"
        },
        {
          "name": "Lutetium Lu 177 Vipivotide Tetraxetan",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Single Photon Emission Computed Tomography",
          "type": "DEVICE"
        },
        {
          "name": "Technetium Tc-99m Sulfur Colloid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Michigan Rogel 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": 20,
      "start_date": "2026-08-01",
      "completion_date": "2031-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07682649"
    },
    {
      "nct_id": "NCT00438477",
      "title": "Injection Methods in Finding the Sentinel Lymph Node During Lymphatic Mapping and Sentinel Lymph Node Biopsy in Patients With Invasive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Isosulfan Blue",
          "type": "DRUG"
        },
        {
          "name": "Lymphangiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Technetium Tc 99m sulfur colloid",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 74,
      "start_date": "2005-06",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2012-07-30",
      "last_synced_at": "2026-10-09T13:04:10.908Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00438477"
    }
  ]
}