{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Technetium+Sulfur+Colloid",
    "query": {
      "intervention": "Technetium Sulfur Colloid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Technetium+Sulfur+Colloid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T17:28:25.287Z",
  "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": "NCT01898403",
      "title": "Lymph Node Mapping Using Indocyanine Green Solution in Diagnosing Patients With Malignant Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Melanoma"
      ],
      "interventions": [
        {
          "name": "Indocyanine green solution",
          "type": "DRUG"
        },
        {
          "name": "Isosulfan blue (ISB)",
          "type": "DRUG"
        },
        {
          "name": "Lymphoscintigraphy with 99-technetium (99Tc) sulfur colloid (TSC)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "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": "2013-06",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-05-24",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01898403"
    },
    {
      "nct_id": "NCT02947126",
      "title": "Multilevel Models of Therapeutic Response in the Lungs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Hypertonic Saline",
          "type": "DRUG"
        },
        {
          "name": "Isotonic Saline",
          "type": "DRUG"
        },
        {
          "name": "Indium-DTPA",
          "type": "DRUG"
        },
        {
          "name": "Technetium Sulfur Colloid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tim Corcoran",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2017-01",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947126"
    },
    {
      "nct_id": "NCT01314963",
      "title": "Efficacy of Gamma Camera Used Intraoperatively for ID of Sentinel Lymph Nodes w/ Lymphoscintigraphy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Prototype intraoperative handheld gamma camera (pIHGC)",
          "type": "DEVICE"
        },
        {
          "name": "Lymphoscintigraphy with intraoperative gamma probes (GP)",
          "type": "DEVICE"
        },
        {
          "name": "radioactive Tc99M",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Stanford University",
      "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": "2008-06",
      "completion_date": "2012-07-26",
      "has_results": true,
      "last_update_posted_date": "2018-04-30",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01314963"
    },
    {
      "nct_id": "NCT00743314",
      "title": "Single-Photon Emission Computed Tomography, Computed Tomography Lymphoscintigraphy, and Intensity-Modulated Radiation Therapy in Treating Patients Who Have Undergone Surgery for Stage I or Stage II Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Lymphedema"
      ],
      "interventions": [
        {
          "name": "screening questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "lymphoscintigraphy",
          "type": "PROCEDURE"
        },
        {
          "name": "single photon emission computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "technetium Tc 99m sulfur colloid",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "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": 30,
      "start_date": "2008-09",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2018-10-09",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00743314"
    },
    {
      "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": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04499742"
    },
    {
      "nct_id": "NCT01660412",
      "title": "Does Alkalinization Reduce Perceived Pain Levels During Sentinel Lymph Node Imaging?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Standard of Care First",
          "type": "DRUG"
        },
        {
          "name": "ph Altered first",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "122 Years",
        "sex": "ALL",
        "summary": "18 Years to 122 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-08-01",
      "completion_date": "2016-12-30",
      "has_results": true,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01660412"
    },
    {
      "nct_id": "NCT02419807",
      "title": "Comparison of Use of Indocyanine Green and 99mTc-labeled Radiotracer for Axillary Lymphatic Mapping in Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage I Breast Cancer",
        "Stage II Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Indocyanine Green Solution",
          "type": "DRUG"
        },
        {
          "name": "Technetium Tc-99m Sulfur Colloid",
          "type": "RADIATION"
        },
        {
          "name": "Lymphoscintigraphy",
          "type": "PROCEDURE"
        },
        {
          "name": "Axillary Lymph Node Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 102,
      "start_date": "2015-02-17",
      "completion_date": "2019-02",
      "has_results": true,
      "last_update_posted_date": "2022-06-30",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02419807"
    },
    {
      "nct_id": "NCT00005640",
      "title": "Lymphatic Mapping and Sentinel Lymph Node Biopsy in the Treatment of Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Preoperative Endoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Technetium Tc 99m Sulfur Colloid",
          "type": "RADIATION"
        },
        {
          "name": "Gamma Probe",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy of Sentinel Lymph Nodes",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "1999-06",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2012-09-25",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005640"
    },
    {
      "nct_id": "NCT04709978",
      "title": "Community Acquired Pneumonia in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumonia",
        "Aspiration Pneumonia"
      ],
      "interventions": [
        {
          "name": "Videofluoroscopic Swallowing Study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Nuclear medicine pulmonary aspiration study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "TOR-BSST and 3 oz Water Swallow",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sputum Culture",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MeMed BV®",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lung Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Function Tests",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2021-02-24",
      "completion_date": "2023-07-02",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04709978"
    },
    {
      "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": "2026-09-21T17:28:25.287Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05108090"
    }
  ]
}