{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Recombinant+Flt3+Ligand",
    "query": {
      "intervention": "Recombinant Flt3 Ligand"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Recombinant+Flt3+Ligand&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T14:57:00.588Z",
  "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": "NCT04616248",
      "title": "In Situ Immunomodulation With CDX-301, Radiation Therapy, CDX-1140 and Poly-ICLC in Patients w/ Unresectable and Metastatic Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Breast Carcinoma",
        "Prognostic Stage IV Breast Cancer AJCC v8",
        "Unresectable Breast Carcinoma",
        "Metastatic Melanoma",
        "Unresectable Melanoma",
        "Cutaneous Squamous Cell Carcinoma",
        "Merkel Cell Carcinoma",
        "Soft Tissue Sarcoma",
        "Bone Sarcoma",
        "Sarcoma,Soft Tissue",
        "Sarcoma of Bone",
        "Basal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Anti-CD40 Agonist Monoclonal Antibody CDX-1140",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Poly ICLC",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Recombinant Flt3 Ligand",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "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": 14,
      "start_date": "2023-01-09",
      "completion_date": "2028-01-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616248"
    },
    {
      "nct_id": "NCT03329950",
      "title": "A Study of CDX-1140 (CD40) as Monotherapy or in Combination in Patients With Advanced Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma",
        "Non-small Cell Lung Cancer",
        "Breast Cancer",
        "Gastric Cancer",
        "Renal Cell Carcinoma",
        "Ovarian Cancer",
        "Cholangiocarcinoma",
        "Bladder Urothelial Carcinoma",
        "Pancreatic Adenocarcinoma",
        "Colorectal Cancer",
        "Esophageal Cancer",
        "Hepatic Cancer",
        "Head and Neck Cancer",
        "Primary Peritoneal Cancer",
        "Fallopian Tube Cancer",
        "Other Solid Tumors",
        "Diffuse Large B-cell Lymphoma (DLBCL)",
        "Mantle Cell Lymphoma",
        "Indolent B-cell Lymphomas",
        "Non-Hodgkin Lymphoma",
        "Follicular Lymphoma",
        "Lymphoplasmacytic Lymphoma",
        "Waldenstrom's Disease",
        "Marginal Zone Lymphoma",
        "Mucosa Associated Lymphoid Tissue",
        "Small Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "CDX-1140",
          "type": "DRUG"
        },
        {
          "name": "CDX-301",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celldex Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2017-12-01",
      "completion_date": "2022-09-13",
      "has_results": false,
      "last_update_posted_date": "2024-03-28",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 11,
      "location_summary": "Scottsdale, Arizona • Atlanta, Georgia • Augusta, Georgia + 7 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03329950"
    },
    {
      "nct_id": "NCT00003431",
      "title": "Flt3L in Treating Patients With Metastatic Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "recombinant flt3 ligand",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "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": "1998-06",
      "completion_date": "2001-05",
      "has_results": false,
      "last_update_posted_date": "2013-03-05",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003431"
    },
    {
      "nct_id": "NCT00020540",
      "title": "Biological Therapy in Treating Patients With Metastatic Melanoma or Metastatic Kidney Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Kidney Cancer",
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "recombinant CD40-ligand",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant flt3 ligand",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-30",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020540"
    },
    {
      "nct_id": "NCT00006225",
      "title": "Peripheral Stem Cell Transplantation in Treating Patients With Breast Cancer or Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant flt3 ligand",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant human thrombopoietin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant interleukin-3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": null,
      "start_date": "1999-11",
      "completion_date": "2004-01",
      "has_results": false,
      "last_update_posted_date": "2012-06-06",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006225"
    },
    {
      "nct_id": "NCT05029999",
      "title": "CD40 Agonist, Flt3 Ligand, and Chemotherapy in HER2 Negative Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-negative Breast Cancer",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "PLD Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "CDX-1140",
          "type": "DRUG"
        },
        {
          "name": "CDX-301",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2022-04-20",
      "completion_date": "2029-04-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 7,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland • Chapel Hill, North Carolina + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05029999"
    },
    {
      "nct_id": "NCT00005787",
      "title": "Peripheral Stem Cell Transplantation to Prevent Neutropenia in Patients Receiving Chemotherapy for Relapsed or Refractory Non-Hodgkin's Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphoma",
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "epoetin alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant flt3 ligand",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant interleukin-3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "17 Years to 65 Years"
      },
      "enrollment_count": 3,
      "start_date": "1999-09",
      "completion_date": "2002-01",
      "has_results": false,
      "last_update_posted_date": "2012-06-01",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005787"
    },
    {
      "nct_id": "NCT03789097",
      "title": "Vaccination With Flt3L, Radiation, and Poly-ICLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin's Lymphoma",
        "Metastatic Breast Cancer",
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Flt3L",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Poly ICLC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "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": "2019-04-05",
      "completion_date": "2025-09-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03789097"
    },
    {
      "nct_id": "NCT04491084",
      "title": "FLT3 Ligand, CD40 Agonist Antibody, and Stereotactic Radiotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "FLT3 Ligand (CDX-301)",
          "type": "DRUG"
        },
        {
          "name": "anti-CD40 antibody (CDX-1140)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SBRT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2021-01-01",
      "completion_date": "2022-08-18",
      "has_results": true,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04491084"
    },
    {
      "nct_id": "NCT00006223",
      "title": "flt3L in Treating Patients With Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "recombinant flt3 ligand",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2000-07",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-09-19T14:57:00.588Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • La Jolla, California • San Francisco, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006223"
    }
  ]
}