{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natera+Signatera",
    "query": {
      "intervention": "Natera Signatera"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T15:05:04.564Z",
  "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": "NCT04670588",
      "title": "Response Assessment by Circulating Tumor DNA in Patients With Locally Advanced Rectal Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Circulating tumor DNA(ctDNA) level measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "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": 0,
      "start_date": "2021-03-31",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-18",
      "last_synced_at": "2026-09-02T15:05:04.564Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04670588"
    },
    {
      "nct_id": "NCT05067842",
      "title": "Circulating Tumor DNA (ctDNA) in Locally Advanced Esophageal and Gastroesophageal (GE) Junction Adenocarcinoma",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenocarcinoma Esophagus"
      ],
      "interventions": [
        {
          "name": "Circulating tumor DNA(ctDNA) level measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-05-13",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-09-02T15:05:04.564Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05067842"
    },
    {
      "nct_id": "NCT05174169",
      "title": "Colon Adjuvant Chemotherapy Based on Evaluation of Residual Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Stage III Colon Cancer"
      ],
      "interventions": [
        {
          "name": "Signatera test",
          "type": "DEVICE"
        },
        {
          "name": "mFOLFOX6 3-6 month",
          "type": "DRUG"
        },
        {
          "name": "CAPOX 3 month",
          "type": "DRUG"
        },
        {
          "name": "mFOLFIRINOX",
          "type": "DRUG"
        },
        {
          "name": "mFOLFOX6 6 month",
          "type": "DRUG"
        },
        {
          "name": "CAPOX 6 month",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1912,
      "start_date": "2022-07-08",
      "completion_date": "2030-03-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-02T15:05:04.564Z",
      "location_count": 1037,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 723 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05174169"
    },
    {
      "nct_id": "NCT07459673",
      "title": "HERizon-Breast: A ctDNA-Guided Adaptive Study of Sequential Anti-HER2 Therapies and CNS Prophylaxis to Induce Long-Term Remission",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "HER2-positive Breast Cancer",
        "Breast Cancer Stage IV"
      ],
      "interventions": [
        {
          "name": "Personalis NeXT Personal",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Natera Signatera",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "fam-trastuzumab deruxtecan-nxki (T-DXd)",
          "type": "DRUG"
        },
        {
          "name": "pertuzumab, called T-DXd+P",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 60,
      "start_date": "2026-03-04",
      "completion_date": "2030-03-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-02T15:05:04.564Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07459673"
    }
  ]
}