{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CD8+PET+Tracer",
    "query": {
      "intervention": "CD8 PET Tracer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T18:32:13.562Z",
  "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": "NCT07030712",
      "title": "A Clinical Study of MK-8294 in Participants With Advanced Solid Tumors (MK-8294-001)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "MK-8294",
          "type": "DRUG"
        },
        {
          "name": "CD8 PET Tracer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2025-07-23",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07030712"
    },
    {
      "nct_id": "NCT07098364",
      "title": "ST-067 in Combination With CD19-Directed CAR T-Cell Therapy (Liso-cel) in Relapsed/Refractory Large B-Cell Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Recurrent Grade 3b Follicular Lymphoma",
        "Recurrent High-Grade B-Cell Lymphoma",
        "Recurrent Indolent B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Primary Mediastinal Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Refractory Grade 3b Follicular Lymphoma",
        "Refractory High-Grade B-Cell Lymphoma",
        "Refractory Indolent B-Cell Non-Hodgkin Lymphoma",
        "Refractory Primary Mediastinal Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Vevoctadekin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Lymphodepletion Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 33,
      "start_date": "2025-12-27",
      "completion_date": "2043-10-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07098364"
    },
    {
      "nct_id": "NCT05397171",
      "title": "A First-in-human Study to Evaluate the Safety and Tolerability of AZD8853 in Participants With Selected Advanced/Metastatic Solid Tumours",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Urinary Bladder Neoplasms",
        "Colorectal Cancer",
        "Carcinoma, Non-Small-Cell Lung"
      ],
      "interventions": [
        {
          "name": "AZD8853",
          "type": "DRUG"
        },
        {
          "name": "Zirconium-89 crefmirlimab berdoxam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 17,
      "start_date": "2022-06-07",
      "completion_date": "2023-06-06",
      "has_results": true,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • St Louis, Missouri • Providence, Rhode Island + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397171"
    },
    {
      "nct_id": "NCT03802123",
      "title": "⁸⁹Zr-Df-IAB22M2C (CD8 PET Tracer) for PET/CT in Patients With Metastatic Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Positron-Emission Tomography",
        "Metastatic Solid Tumors"
      ],
      "interventions": [
        {
          "name": "⁸⁹Zr-Df-IAB22M2C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ImaginAb, 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": "2018-12-18",
      "completion_date": "2022-07-18",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Duarte, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802123"
    },
    {
      "nct_id": "NCT05359211",
      "title": "NKTR-255 in Combination With CAR-T Cell Therapy for the Treatment of Relapsed or Refractory Large B-cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Recurrent Grade 3b Follicular Lymphoma",
        "Recurrent Primary Mediastinal Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Refractory Grade 3b Follicular Lymphoma",
        "Refractory Primary Mediastinal Large B-Cell Lymphoma",
        "Transformed Indolent B-Cell Non-Hodgkin Lymphoma to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Polymer-conjugated IL-15 Receptor Agonist NKTR-255",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 27,
      "start_date": "2022-12-08",
      "completion_date": "2026-09-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05359211"
    },
    {
      "nct_id": "NCT04180215",
      "title": "A Phase 1/2 Study in Patients With HPV16+ Recurrent/Metastatic Head and Neck Squamous Cell Carcinoma and Other Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HPV-Related Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "HB-201 intravenous administration.",
          "type": "DRUG"
        },
        {
          "name": "HB-202 intravenous administration alternating with HB-201 intravenous administration.",
          "type": "DRUG"
        },
        {
          "name": "HB-201 intravenous administration + standard of care regimen including pembrolizumab.",
          "type": "DRUG"
        },
        {
          "name": "HB-202 / HB-201 alternating intravenous administration + pembrolizumab.",
          "type": "DRUG"
        },
        {
          "name": "HB-202 / HB-201 alternating intravenous administration + standard of care regimen including pembrolizumab.",
          "type": "DRUG"
        },
        {
          "name": "HB-201 or HB-201/HB-202 alternating treatment using CD8 PET Tracer (Zr-Df-IAB22M2C)",
          "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": 198,
      "start_date": "2019-12-11",
      "completion_date": "2025-01-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Fayetteville, Arkansas + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04180215"
    },
    {
      "nct_id": "NCT05849467",
      "title": "Central Nervous System Uptake of Anti-CD8+ T Cell Minibodies in Multiple Sclerosis and Progressive Multifocal Leukoencephalopathy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Progressive Multifocal Leukoencephalopathy",
        "Multiple Sclerosis",
        "Other Neuroinflammatory Diseases With BBB Leakage"
      ],
      "interventions": [
        {
          "name": "89 Zr-Df-crefmirlimab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "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": 15,
      "start_date": "2023-10-19",
      "completion_date": "2030-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05849467"
    },
    {
      "nct_id": "NCT04955262",
      "title": "A CD8 Positron Emission Tomography With Computed Tomography (PET/CT) Study Using ⁸⁹Zr Df-IAB22M2C in Patients With Metastatic Melanoma Receiving Bempegaldesleukin (NKTR-214) and Nivolumab",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Melanoma"
      ],
      "interventions": [
        {
          "name": "Bempegaldesleukin (NKTR-214)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "⁸⁹Zr-Df-IAB22M2C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Nektar Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-08",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2021-07-08",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Portland, Oregon • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04955262"
    },
    {
      "nct_id": "NCT07481136",
      "title": "64Cu-GRIP B in Patients With Acute Myocarditis",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myocarditis"
      ],
      "interventions": [
        {
          "name": "64Cu-GRIP B is a radiolabeled peptide tracer, a copper-64 isotope bound to a peptide designed to target extracellular Granzyme B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Javid Moslehi, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 10,
      "start_date": "2026-08",
      "completion_date": "2031-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-09-05T18:32:13.562Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07481136"
    }
  ]
}