{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Day+One+Biopharmaceuticals%2C+Inc.",
    "query": {
      "sponsor": "Day One Biopharmaceuticals, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T16:49:44.962Z",
  "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": "NCT05465174",
      "title": "Tovorafenib for Treatment of Craniopharyngioma in Children and Young Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Craniopharyngioma, Child",
        "Craniopharyngioma",
        "Recurrent Craniopharyngioma"
      ],
      "interventions": [
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sabine Mueller, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "1 Year to 39 Years"
      },
      "enrollment_count": 57,
      "start_date": "2022-09-12",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • San Diego, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05465174"
    },
    {
      "nct_id": "NCT04985604",
      "title": "Tovorafenib (DAY101) Monotherapy for Patients With Melanoma and Other Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma",
        "Solid Tumor",
        "CRAF Gene Amplification",
        "RAF1 Gene Amplification",
        "BRAF Gene Fusion",
        "BRAF Fusion",
        "CRAF Gene Fusion",
        "CRAF Fusion",
        "RAF1 Gene Fusion",
        "RAF1 Fusion",
        "Thyroid Cancer, Papillary",
        "Spitzoid Melanoma",
        "Pilocytic Astrocytoma",
        "Pilocytic Astrocytoma, Adult",
        "Non Small Cell Lung Cancer",
        "Non-Small Cell Adenocarcinoma",
        "Colorectal Cancer",
        "Pancreatic Acinar Carcinoma",
        "Spitzoid Malignant Melanoma",
        "Bladder Cancer",
        "Bladder Urothelial Carcinoma",
        "MAP Kinase Family Gene Mutation",
        "RAF Mutation"
      ],
      "interventions": [
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2021-07-15",
      "completion_date": "2024-07-08",
      "has_results": true,
      "last_update_posted_date": "2025-10-02",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Newport Beach, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04985604"
    },
    {
      "nct_id": "NCT03429803",
      "title": "DAY101 In Gliomas and Other Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Low-grade Glioma"
      ],
      "interventions": [
        {
          "name": "DAY101",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Karen D. Wright, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "1 Year to 25 Years"
      },
      "enrollment_count": 44,
      "start_date": "2018-02-27",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03429803"
    },
    {
      "nct_id": "NCT05377996",
      "title": "A Study of Emiltatug Ledadotin (Emi-Le) in Participants With Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Triple Negative Breast Cancer",
        "Breast Cancer",
        "Endometrial Cancer",
        "Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Primary Peritoneal Cavity Cancer",
        "Adenoid Cystic Carcinoma"
      ],
      "interventions": [
        {
          "name": "Emi-Le",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2022-08-15",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Orange, California • San Francisco, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05377996"
    },
    {
      "nct_id": "NCT07629167",
      "title": "Isotretinoin vs. Doxycycline for Acneiform Rash in Patients Receiving Drugs That Target the MAPK Pathway",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acneiform Drug Eruption",
        "Acneiform Eruptions"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Blood specimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Photographs of Rash",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stool Specimen collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "12 Years to 39 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-08-30",
      "completion_date": "2030-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07629167"
    },
    {
      "nct_id": "NCT05514717",
      "title": "A Study of XMT-2056 in Advanced/Recurrent Solid Tumors That Express HER2",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "HER2-positive Gastric Cancer",
        "HER2-positive Non-Small Cell Lung Cancer",
        "HER2-positive Colorectal Cancer",
        "HER2-positive Tumors",
        "HER2 Low Breast Cancer"
      ],
      "interventions": [
        {
          "name": "XMT-2056",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2023-01-24",
      "completion_date": "2026-05-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Stanford, California • Celebration, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Celebration",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05514717"
    },
    {
      "nct_id": "NCT05566795",
      "title": "DAY101 vs. Standard of Care Chemotherapy in Pediatric Participants With Low-Grade Glioma Requiring First-Line Systemic Therapy (LOGGIC/FIREFLY-2)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Low-grade Glioma",
        "Rapidly Accelerated Fibrosarcoma (RAF) Altered Glioma",
        "Pediatric Low-grade Glioma"
      ],
      "interventions": [
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapeutic Agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 418,
      "start_date": "2023-02-27",
      "completion_date": "2031-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05566795"
    },
    {
      "nct_id": "NCT04775485",
      "title": "A Study to Evaluate Tovorafenib in Pediatric and Young Adult Participants With Relapsed or Progressive Low-Grade Glioma and Advance Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Low-grade Glioma",
        "Advanced Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "6 Months to 25 Years"
      },
      "enrollment_count": 141,
      "start_date": "2021-04-22",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 14,
      "location_summary": "San Francisco, California • Washington D.C., District of Columbia • Chicago, Illinois + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04775485"
    },
    {
      "nct_id": "NCT06752681",
      "title": "To Evaluate the Safety, Tolerability, Pharmacokinetics and Antitumor Activity of DAY301 in Participants With Locally Advanced or Metastatic Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced or Metastatic Solid Tumors"
      ],
      "interventions": [
        {
          "name": "DAY301",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2024-11-18",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 9,
      "location_summary": "New Haven, Connecticut • Sarasota, Florida • Avon, Indiana + 6 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Avon",
          "state": "Indiana"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06752681"
    },
    {
      "nct_id": "NCT07121829",
      "title": "Tovorafenib (DAY101) or in Combination With Pimasertib for Participants With Melanoma and Other Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma",
        "Solid Tumor",
        "Pilocytic Astrocytoma",
        "Non Small Cell Lung Cancer",
        "Colorectal Cancer",
        "Pancreatic Cancer",
        "MAP Kinase Family Gene Mutation",
        "RAS Mutation",
        "RAF Mutation",
        "MEK Mutation"
      ],
      "interventions": [
        {
          "name": "Tovorafenib",
          "type": "DRUG"
        },
        {
          "name": "Tovorafenib Drug: Pimasertib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Day One Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2022-05-02",
      "completion_date": "2024-12-18",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-05T16:49:44.962Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Newport Beach, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07121829"
    }
  ]
}