{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Checkpoint+blockade+immunotherapy",
    "query": {
      "intervention": "Checkpoint blockade immunotherapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 57,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Checkpoint+blockade+immunotherapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T13:04:23.269Z",
  "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": "NCT03388632",
      "title": "Recombinant Interleukin-15 in Combination With Checkpoint Inhibitors Nivolumab and Ipilimumab in People With Refractory Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Solid Tumors",
        "Treatment-Refractory Cancers"
      ],
      "interventions": [
        {
          "name": "rhIL-15",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Tumor biopsies",
          "type": "PROCEDURE"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "ECHO",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT Scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 31,
      "start_date": "2018-02-05",
      "completion_date": "2025-05-08",
      "has_results": true,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03388632"
    },
    {
      "nct_id": "NCT06599619",
      "title": "Effects of Anti-PD1 Adjuvant Checkpoint Blockade Immunotherapy on Atypical/Dysplastic Nevi",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Single agent, adjuvant anti-PD1 therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John Kirkwood",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-02-20",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06599619"
    },
    {
      "nct_id": "NCT03666273",
      "title": "Phase 1 Study of BAY1905254 - An Early Clinical Research Study to Evaluate a New Drug Called Bapotulimab (BAY1905254) in the Expansion Cohort in Combination With Pembrolizumab in Head and Neck Cancer That Has Returned or is Discovered to be Metastatic and is Expressing PDL1.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumor",
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bapotulimab (BAY1905254)",
          "type": "DRUG"
        },
        {
          "name": "Bapotulimab (BAY1905254) + Pembrolizumab (KEYTRUDA®)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2018-09-12",
      "completion_date": "2024-05-15",
      "has_results": false,
      "last_update_posted_date": "2024-05-28",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • New Haven, Connecticut • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03666273"
    },
    {
      "nct_id": "NCT07754292",
      "title": "Off-Label Treatment With Immune Checkpoint Inhibitor Blockade",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignancy"
      ],
      "interventions": [
        {
          "name": "One or more off-label ICIs alone or with other on-label ICI(s)",
          "type": "DRUG"
        },
        {
          "name": "Off-label ICI(s) with targeted therapy",
          "type": "DRUG"
        },
        {
          "name": "off-label ICI(s) with other agents that are not targeted (including, but not limited to, chemotherapy, hormonal therapy, immunotherapy other than ICIs) with or without targeted agents",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 231,
      "start_date": "2026-11-01",
      "completion_date": "2036-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07754292"
    },
    {
      "nct_id": "NCT04145115",
      "title": "A Study Testing the Effect of Immunotherapy (Ipilimumab and Nivolumab) in Patients With Recurrent Glioma With Elevated Mutational Burden",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Astrocytoma, IDH-Mutant, Grade 4",
        "Diffuse Glioma",
        "Glioblastoma, IDH-Wildtype",
        "Secondary Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "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": 37,
      "start_date": "2020-12-24",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 413,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 288 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145115"
    },
    {
      "nct_id": "NCT05141721",
      "title": "A Study of a Patient-Specific Neoantigen Vaccine in Combination With Immune Checkpoint Blockade for Patients With Metastatic Colorectal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "GRT-C901",
          "type": "DRUG"
        },
        {
          "name": "GRT-R902",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Fluoropyrimidine plus leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Project Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2022-02-12",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 43,
      "location_summary": "Gilbert, Arizona • Springdale, Arkansas • Los Angeles, California + 36 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05141721"
    },
    {
      "nct_id": "NCT04688658",
      "title": "Duvelisib in Combination With Nivolumab in Patients With Advanced Unresectable Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Melanoma"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Duvelisib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John Kirkwood",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-10-06",
      "completion_date": "2025-02-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04688658"
    },
    {
      "nct_id": "NCT03941262",
      "title": "Safety of SNK01 in Subjects With Pathologically Confirmed Metastatic and/or Unresectable Cancer Refractory to Conventional Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory Cancer",
        "Metastatic Cancer",
        "Recurrent Cancer",
        "Unresectable Carcinoma",
        "Solid Tumor, Adult",
        "Advanced Cancer",
        "Advanced Solid Tumor"
      ],
      "interventions": [
        {
          "name": "SNK01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "NKGen Biotech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 27,
      "start_date": "2019-07-15",
      "completion_date": "2023-02-17",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03941262"
    },
    {
      "nct_id": "NCT04239040",
      "title": "GVAX Plus Checkpoint Blockade in Neuroblastoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma",
        "Pediatric Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Tissue collection",
          "type": "PROCEDURE"
        },
        {
          "name": "GVAX vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-01-29",
      "completion_date": "2024-02-29",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239040"
    },
    {
      "nct_id": "NCT03937830",
      "title": "Combined Treatment of Durvalumab, Bevacizumab, Tremelimumab and Transarterial Chemoembolization (TACE) in Subjects With Hepatocellular Carcinoma or Biliary Tract Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatocellular Cancer",
        "Hepatocellular Carcinoma",
        "Metastatic Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin-Eluting Beads",
          "type": "DRUG"
        },
        {
          "name": "TACE",
          "type": "PROCEDURE"
        },
        {
          "name": "bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Tremelimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 27,
      "start_date": "2021-03-10",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-05T13:04:23.269Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03937830"
    }
  ]
}