{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=denileukin+diftitox&page=2",
    "query": {
      "intervention": "denileukin diftitox",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=denileukin+diftitox&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T02:02:22.750Z",
  "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": "NCT01773889",
      "title": "A Trial of Intravenous Denileukin Diftitox Plus Subcutaneous Pegylated IFNα-2A in Stage III or IV Ovarian Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epithelial Ovarian Cancer",
        "Extraovarian Peritoneal Cancer",
        "Fallopian Tube Carcinoma"
      ],
      "interventions": [
        {
          "name": "Denileukin Diftitox/SC Pegylated IFNα-2a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 2,
      "start_date": "2009-06",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2018-04-10",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773889"
    },
    {
      "nct_id": "NCT00117845",
      "title": "Phase II Study of the Efficacy and Toxicity of Ontak(Registered Trademark) (Denileukin Diftitox) in the Therapy of Adult T-Cell Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia, Adult T-Cell"
      ],
      "interventions": [
        {
          "name": "Denileukin diftitox (Ontak)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2005-07-11",
      "completion_date": "2013-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117845"
    },
    {
      "nct_id": "NCT00082914",
      "title": "Denileukin Diftitox in Treating Patients With Metastatic Melanoma or Metastatic Kidney Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer",
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "denileukin diftitox",
          "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": "2004-03",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2013-06-20",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00082914"
    },
    {
      "nct_id": "NCT01181258",
      "title": "Penostatin, Rituximab and Ontak and Allogeneic Natural Killer (NK) Cells for Refractory Lymphoid Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin Lymphoma",
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Interleukin-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Natural killer cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 16,
      "start_date": "2010-08",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-06",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01181258"
    },
    {
      "nct_id": "NCT00211276",
      "title": "A Study of ONTAK in Patients With Relapsed or Refractory, B-Cell Non Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma, B-Cell"
      ],
      "interventions": [
        {
          "name": "ONTAK (denileukin diftitox)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2005-03",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2012-03-14",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 12,
      "location_summary": "Beverly Hills, California • Fountain Valley, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00211276"
    },
    {
      "nct_id": "NCT00425672",
      "title": "ONTAK® in Treating Patients With Advanced Breast Cancer That Did Not Respond to Previous Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Male Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ONTAK",
          "type": "BIOLOGICAL"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "enzyme-linked immunosorbent assay",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2005-09",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2018-12-05",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00425672"
    },
    {
      "nct_id": "NCT00109863",
      "title": "Hu14.18-Interleukin-2 Fusion Protein in Treating Patients With Advanced Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "hu14.18-IL2 fusion protein",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": "2005-05",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00109863"
    },
    {
      "nct_id": "NCT00880360",
      "title": "A Trial of Intravenous Denileukin Diftitox in Stage III or IV Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epithelial Ovarian Cancer",
        "Extraovarian Peritoneal Cancer",
        "Fallopian Tube Carcinoma"
      ],
      "interventions": [
        {
          "name": "Ontak",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 19,
      "start_date": "2007-02",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2018-03-27",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880360"
    },
    {
      "nct_id": "NCT00337987",
      "title": "A Pilot Study to Determine the Safety of the Combination of Ontak in Combination With CHOP in Peripheral T-Cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peripheral T-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Ontak",
          "type": "DRUG"
        },
        {
          "name": "CHOP (cyclophosphamide (C), adriamycin (H), vincristine (O), and prednisone (P)) chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2005-11",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2015-02-27",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00337987"
    },
    {
      "nct_id": "NCT00138164",
      "title": "Denileukin Diftitox in Treating Patients With Relapsed or Refractory Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "denileukin diftitox",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Jonsson Comprehensive 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": "2004-12",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-09-30T02:02:22.750Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00138164"
    }
  ]
}