{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sulfur+Colloid",
    "query": {
      "intervention": "Sulfur Colloid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sulfur+Colloid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T00:04:44.405Z",
  "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": "NCT00835354",
      "title": "Cefprozil for Oral Suspension 250 mg/5 mL, Non-fasting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cefprozil for oral suspension 250 mg/5 mL",
          "type": "DRUG"
        },
        {
          "name": "CEFZIL® for Oral Suspension 250 mg/5mL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2004-05",
      "completion_date": "2004-05",
      "has_results": true,
      "last_update_posted_date": "2024-08-20",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 2,
      "location_summary": "Saint Charles, Missouri • Houston, Texas",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835354"
    },
    {
      "nct_id": "NCT02865005",
      "title": "Trial of Dapsone 5.0% Gel in the Treatment of Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Dapsone 5.0% Gel (SEEGPharm)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Dapsone 5.0% Gel (Allergan)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Seegpharm S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Years to 40 Years"
      },
      "enrollment_count": 2361,
      "start_date": "2016-02",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-20",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 35,
      "location_summary": "Encino, California • Fullerton, California • La Mesa, California + 29 more",
      "locations": [
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02865005"
    },
    {
      "nct_id": "NCT06400004",
      "title": "Lumason® Infusion vs. Bolus Administrations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Sulfur Hexafluoride Lipid Type A Microspheres 25 MG Injection Powder for Suspension [LUMASON]",
          "type": "DRUG"
        },
        {
          "name": "Lumason",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bracco Diagnostics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2024-07-10",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 6,
      "location_summary": "West Hills, California • Atlanta, Georgia • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "West Hills",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06400004"
    },
    {
      "nct_id": "NCT01771666",
      "title": "Pilot Indocyanine Green Imaging for Mapping of Arm Draining Lymphatics & Nodes in Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "SPY Elite Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Indocyanine Green",
          "type": "DRUG"
        },
        {
          "name": "Isosulfan blue",
          "type": "DRUG"
        },
        {
          "name": "99technetium-sulfur colloid radiolabel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2012-07",
      "completion_date": "2015-03-17",
      "has_results": true,
      "last_update_posted_date": "2017-12-11",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01771666"
    },
    {
      "nct_id": "NCT01773122",
      "title": "Safety, Tolerability, and Pharmacokinetics of Dapsone in Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Dapsone Formulation A",
          "type": "DRUG"
        },
        {
          "name": "Dapsone Formulation B",
          "type": "DRUG"
        },
        {
          "name": "Dapsone Formulation C",
          "type": "DRUG"
        },
        {
          "name": "Dapsone 5% Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "16 Years to 35 Years"
      },
      "enrollment_count": 77,
      "start_date": "2013-01-21",
      "completion_date": "2013-05-05",
      "has_results": true,
      "last_update_posted_date": "2019-04-24",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773122"
    },
    {
      "nct_id": "NCT02869152",
      "title": "Sentinel Lymph Node Mapping in Rectal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Endoscopic injection of 99mTc-sulfur colloid",
          "type": "OTHER"
        },
        {
          "name": "Endoscopic injection of ICG",
          "type": "OTHER"
        },
        {
          "name": "Endoscopic injection of Spot",
          "type": "OTHER"
        },
        {
          "name": "Flexible sigmoidoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic NIR imaging and gamma probe",
          "type": "PROCEDURE"
        },
        {
          "name": "Dissection of sentinel lymph node(s)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Virginia",
      "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": "2016-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-10-31",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02869152"
    },
    {
      "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": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00541190"
    },
    {
      "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": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01898403"
    },
    {
      "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": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07682649"
    },
    {
      "nct_id": "NCT00717886",
      "title": "Upper Extremity Lymphatic Mapping for Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Axillary Lymph Node Dissection"
      ],
      "interventions": [
        {
          "name": "isosulfan blue dye",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2008-06",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2015-11-20",
      "last_synced_at": "2026-09-09T00:04:44.405Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00717886"
    }
  ]
}