{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Checkpoint+inhibitor",
    "query": {
      "intervention": "Checkpoint inhibitor"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 482,
    "total_pages": 49,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Checkpoint+inhibitor&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T07:31:02.175Z",
  "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": "2026-09-07T07:31:02.175Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03388632"
    },
    {
      "nct_id": "NCT04104893",
      "title": "A Study of CHeckpoint Inhibitors in Men With prOgressive Metastatic Castrate Resistant Prostate Cancer Characterized by a Mismatch Repair Deficiency or Biallelic CDK12 Inactivation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Castration Resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2020-02-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 13,
      "location_summary": "San Francisco, California • West Los Angeles, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04104893"
    },
    {
      "nct_id": "NCT05396833",
      "title": "Study of Tuvusertib (M1774) in Combination With DNA Damage Response Inhibitor or Immune Checkpoint Inhibitor (DDRiver Solid Tumors 320)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic or Locally Advanced Unresectable Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Tuvusertib",
          "type": "DRUG"
        },
        {
          "name": "Lartesertib",
          "type": "DRUG"
        },
        {
          "name": "Avelumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2022-06-07",
      "completion_date": "2027-01-14",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 8,
      "location_summary": "Santa Rosa, California • Miami, Florida • Augusta, Georgia + 5 more",
      "locations": [
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05396833"
    },
    {
      "nct_id": "NCT06447662",
      "title": "A Study to Learn About the Study Medicine PF-07934040 When Given Alone or With Other Anti-cancer Therapies in People With Advanced Solid Tumors That Have a Genetic Mutation.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Carcinoma, Pancreatic Ductal",
        "Colorectal Neoplasms",
        "Carcinoma, Non-Small-Cell Lung"
      ],
      "interventions": [
        {
          "name": "PF-07934040",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Nab-paclitaxel",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Cetuximab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Fluorouracil",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Oxaliplatin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Leucovorin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Bevacizumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Pembrolizumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "pemetrexed",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Cisplatin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Paclitaxel",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Carboplatin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Sasanlimab",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2024-06-27",
      "completion_date": "2026-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 26,
      "location_summary": "Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 14 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06447662"
    },
    {
      "nct_id": "NCT05333874",
      "title": "CIPHER Study: Pilot Study to Study the Role of ctDNA in Triple Negative and HER2 Positive Early Stage",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer, Early-Onset"
      ],
      "interventions": [
        {
          "name": "Neoadjuvant chemotherapy administered before surgical extraction of a tumor",
          "type": "DRUG"
        },
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2022-04-06",
      "completion_date": "2027-11-28",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 12,
      "location_summary": "Elizabeth, New Jersey • Hamilton, New Jersey • Jersey City, New Jersey + 7 more",
      "locations": [
        {
          "city": "Elizabeth",
          "state": "New Jersey"
        },
        {
          "city": "Hamilton",
          "state": "New Jersey"
        },
        {
          "city": "Jersey City",
          "state": "New Jersey"
        },
        {
          "city": "Lakewood",
          "state": "New Jersey"
        },
        {
          "city": "Livingston",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05333874"
    },
    {
      "nct_id": "NCT04799249",
      "title": "Trilaciclib, a CDK 4/6 Inhibitor, in Patients Receiving Gemcitabine and Carboplatin for Metastatic Triple-Negative Breast Cancer (TNBC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "TNBC - Triple-Negative Breast Cancer",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Trilaciclib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "G1 Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 194,
      "start_date": "2021-05-14",
      "completion_date": "2024-05-24",
      "has_results": false,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 16,
      "location_summary": "Gilbert, Arizona • Washington D.C., District of Columbia • St. Petersburg, Florida + 13 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Clinton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799249"
    },
    {
      "nct_id": "NCT06771674",
      "title": "Real-world Study of First Line Pembrolizumab- or Nivolumab-treated HPV-positive Recurrent/Metastatic Oropharyngeal Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hookipa Biotech GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 662,
      "start_date": "2024-06-05",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 1,
      "location_summary": "Dublin, Ohio",
      "locations": [
        {
          "city": "Dublin",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06771674"
    },
    {
      "nct_id": "NCT07631325",
      "title": "Axelopran and Nivolumab in PD-1-Refractory Metastatic Melanoma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Cutaneous Melanoma"
      ],
      "interventions": [
        {
          "name": "Axelopran",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "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": 28,
      "start_date": "2026-10-31",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07631325"
    },
    {
      "nct_id": "NCT06557291",
      "title": "Relapse-Free Survival With Adjuvant Dabrafenib/Trametinib Therapy in Patients With BRAF V600-mutated Stage III/IV Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "BRAF V600 Mutated-Stage III/IV Melanoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2022-10-04",
      "completion_date": "2023-11-16",
      "has_results": false,
      "last_update_posted_date": "2024-08-16",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06557291"
    },
    {
      "nct_id": "NCT05822752",
      "title": "Study to Evaluate Adverse Events, and Change in Disease Activity, When Intravenously (IV) Infused With Livmoniplimab in Combination With IV Infused Budigalimab in Adult Participants With Hepatocellular Carcinoma (HCC)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Budigalimab",
          "type": "DRUG"
        },
        {
          "name": "Livmoniplimab",
          "type": "DRUG"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2023-09-21",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-09-07T07:31:02.175Z",
      "location_count": 20,
      "location_summary": "Prescott Valley, Arizona • Springdale, Arkansas • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Prescott Valley",
          "state": "Arizona"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05822752"
    }
  ]
}