{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DKK1",
    "query": {
      "intervention": "DKK1"
    },
    "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": "2026-09-09T08:46:28.120Z",
  "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": "NCT03395080",
      "title": "A Study of DKN-01 as a Monotherapy or in Combination With Paclitaxel in Patients With Recurrent Epithelial Endometrial or Epithelial Ovarian Cancer or Carcinosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Cancer",
        "Uterine Cancer",
        "Ovarian Cancer",
        "Carcinosarcoma"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "300mg DKN-01",
          "type": "DRUG"
        },
        {
          "name": "600mg DKN-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leap Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 111,
      "start_date": "2018-03-05",
      "completion_date": "2021-01-27",
      "has_results": true,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • West Palm Beach, Florida + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03395080"
    },
    {
      "nct_id": "NCT04363801",
      "title": "A Study of DKN-01 in Combination With Tislelizumab ± Chemotherapy in Patients With Gastric or Gastroesophageal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastric Cancer",
        "Gastric Adenocarcinoma",
        "GastroEsophageal Cancer"
      ],
      "interventions": [
        {
          "name": "DKN-01 300mg",
          "type": "DRUG"
        },
        {
          "name": "DKN-01 600mg",
          "type": "DRUG"
        },
        {
          "name": "DKN-01 400mg",
          "type": "DRUG"
        },
        {
          "name": "Tislelizumab 200mg",
          "type": "DRUG"
        },
        {
          "name": "Tislelizumab 400mg",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine 1000mg/ m2 twice daily (BID)",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leap 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": 247,
      "start_date": "2020-07-29",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 23,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Duarte, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04363801"
    },
    {
      "nct_id": "NCT01337752",
      "title": "Study in Patients With Untreated Multiple Myeloma and Renal Insufficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Renal Insufficiency"
      ],
      "interventions": [
        {
          "name": "BHQ880",
          "type": "DRUG"
        },
        {
          "name": "BHQ880 Placebo",
          "type": "DRUG"
        },
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2012-01",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Spokane, Washington",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01337752"
    },
    {
      "nct_id": "NCT05761951",
      "title": "Phase 2 Study Evaluating the Efficacy of the Combination of DKN-01 (DKK1 Inhibitor, Leap Therapeutics) and Pembrolizumab in the Treatment of Advanced or Recurrent Endometrial Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "DKN-01",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson 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": 8,
      "start_date": "2023-08-29",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05761951"
    },
    {
      "nct_id": "NCT01431872",
      "title": "Systemic Dickkopf-related Protein 1 (DKK1)During Estrogen Level Changes in Post-menopausal Breast Cancer Patients Treated With Aromatase Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Arkansas",
      "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": 17,
      "start_date": "2011-04",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-04",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431872"
    },
    {
      "nct_id": "NCT03591614",
      "title": "Dendritic Cell DKK1 Vaccine for Monoclonal Gammopathy and Stable or Smoldering Myeloma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Monoclonal Gammopathy",
        "Smoldering Myeloma",
        "Myeloma"
      ],
      "interventions": [
        {
          "name": "DKK1",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Case 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": 0,
      "start_date": "2023-12-01",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03591614"
    },
    {
      "nct_id": "NCT05480306",
      "title": "Phase 2 Study of DKN-01 in Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Colorectal Adenocarcinoma",
        "Colo-rectal Cancer",
        "Colorectal Cancer Metastatic"
      ],
      "interventions": [
        {
          "name": "DKN-01",
          "type": "DRUG"
        },
        {
          "name": "FOLFIRI",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "FOLFOX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leap 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": 188,
      "start_date": "2022-08-30",
      "completion_date": "2025-07-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 25,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Cape Coral, Florida + 19 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Cape Coral",
          "state": "Florida"
        },
        {
          "city": "Fleming Island",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05480306"
    },
    {
      "nct_id": "NCT01302886",
      "title": "Study of BHQ880 in Patients With High Risk Smoldering Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoldering Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "BHQ880",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2011-05",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 10,
      "location_summary": "Fayetteville, Arkansas • Tampa, Florida • Atlanta, Georgia + 7 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302886"
    },
    {
      "nct_id": "NCT04681248",
      "title": "Expanded Access Use of DKN-01 for the Treatment of Advanced Solid Tumors",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Esophageal Neoplasm",
        "Adenocarcinoma of the Gastroesophageal Junction",
        "GastroEsophageal Cancer",
        "Squamous Cell Carcinoma",
        "Gastric Adenocarcinoma",
        "Endometrial Cancer",
        "Uterine Cancer",
        "Ovarian Cancer",
        "Carcinosarcoma",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "DKN-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leap Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04681248"
    },
    {
      "nct_id": "NCT03837353",
      "title": "A Parallel Arm Phase 1b/2a Study of DKN-01 as Monotherapy or in Combination With Docetaxel for the Treatment of Advanced Prostate Cancer With Elevated DKK1",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "DKN-01",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2019-04-01",
      "completion_date": "2022-09-20",
      "has_results": true,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-09-09T08:46:28.120Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03837353"
    }
  ]
}