{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Enzon+Pharmaceuticals%2C+Inc.",
    "query": {
      "sponsor": "Enzon Pharmaceuticals, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Enzon+Pharmaceuticals%2C+Inc.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T07:32:14.853Z",
  "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": "NCT00520637",
      "title": "A Phase I, Study to Evaluate the Safety and Tolerability of Intravenous EZN-2208 in Patients With Advanced Solid Tumors or Lymphoma (EZN-2208-01)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumors",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "EZN-2208",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2007-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-10-09",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Houston, Texas",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00520637"
    },
    {
      "nct_id": "NCT00886496",
      "title": "Recombinant Human Mannose-Binding Lectin (MBL) in Treating Young Patients With MBL Deficiency and Fever and Neutropenia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fever, Sweats, and Hot Flashes",
        "Infection",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Neutropenia",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "recombinant human mannose-binding lectin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2006-11",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2012-06-20",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 3,
      "location_summary": "Orange, California • Washington D.C., District of Columbia • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00886496"
    },
    {
      "nct_id": "NCT00388999",
      "title": "Intravenous rhMBL in Patients With Multiple Myeloma Receiving Chemotherapy Followed by Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Intravenous Recombinant Human Mannose-Binding Lectin (rhMBL)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2006-09",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2011-12-05",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00388999"
    },
    {
      "nct_id": "NCT00931840",
      "title": "A Study of EZN-2208 Administered With or Without Cetuximab in Patients With Metastatic Colorectal Carcinoma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "EZN-2208, Cetuximab and Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2009-06",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2011-09-20",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 35,
      "location_summary": "Tucson, Arizona • Alhambra, California • Bakersfield, California + 30 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00931840"
    },
    {
      "nct_id": "NCT01337518",
      "title": "A Phase 1a/1b Study to Evaluate the Safety of EZN-4176, in Adult Patients With Castration-Resistant Prostate Cancer",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "EZN-4176",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2011-03",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2012-12-18",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01337518"
    },
    {
      "nct_id": "NCT01295697",
      "title": "Study of EZN-2208 Pediatric Patients With Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "EZN-2208",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 32,
      "start_date": "2010-02",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-14",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Boston, Massachusetts • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01295697"
    },
    {
      "nct_id": "NCT01036113",
      "title": "A Phase 2 Study of EZN-2208 in Patients With Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "EZN-2208",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 160,
      "start_date": "2009-11",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2022-02-14",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 36,
      "location_summary": "Sedona, Arizona • Tucson, Arizona • Murrieta, California + 30 more",
      "locations": [
        {
          "city": "Sedona",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Murrieta",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01036113"
    },
    {
      "nct_id": "NCT00515788",
      "title": "DepoCyt Plus Temozolomide in Patients With Neoplastic Meningitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplastic Meningitis"
      ],
      "interventions": [
        {
          "name": "DepoCyt",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 11,
      "start_date": "2006-02",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-12",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00515788"
    },
    {
      "nct_id": "NCT00466583",
      "title": "Phase 1 Study of EZN-2968 Weekly in Adult Patients With Advanced Solid Tumors or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Carcinoma",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Intravenous EZN-2968 (anti-HIF-1α LNA AS-ODN)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enzon Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2007-03",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2011-07-07",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 3,
      "location_summary": "Durham, North Carolina • Philadelphia, Pennsylvania • Lubbock, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00466583"
    },
    {
      "nct_id": "NCT01656382",
      "title": "Safety, Efficacy, and Pharmacokinetics of Amphotericin B Lipid Complex",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Invasive Cryptococcosis"
      ],
      "interventions": [
        {
          "name": "ABLC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medstar Health 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": 0,
      "start_date": "2007-01",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-10-06T07:32:14.853Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01656382"
    }
  ]
}