{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=20",
    "query": {
      "intervention": "sample collection",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 3664,
    "total_pages": 367,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T11:06:18.036Z",
  "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": "NCT07145177",
      "title": "177Lu-PSMA-617 With Liver Directed Therapy in Metastatic Castration Resistant Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Prostate Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "177Lu-PSMA-617",
          "type": "DRUG"
        },
        {
          "name": "Ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Trans-arterial chemoembolization (TACE)",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography (PET)/Computerized tomography (CT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2026-03-16",
      "completion_date": "2030-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07145177"
    },
    {
      "nct_id": "NCT04851119",
      "title": "Tegavivint for the Treatment of Recurrent or Refractory Solid Tumors, Including Lymphomas and Desmoid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Carcinoma",
        "Endometrial Carcinoma",
        "Melanoma",
        "Neuroblastoma",
        "Ovarian Carcinoma",
        "Pancreatic Ductal Adenocarcinoma",
        "Recurrent Desmoid Fibromatosis",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "Recurrent Hepatocellular Carcinoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Refractory Desmoid Fibromatosis",
        "Refractory Ewing Sarcoma",
        "Refractory Hepatoblastoma",
        "Refractory Hepatocellular Carcinoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Solid Pseudopapillary Neoplasm of the Pancreas",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Tegavivint",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Months to 30 Years"
      },
      "enrollment_count": 147,
      "start_date": "2021-11-08",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04851119"
    },
    {
      "nct_id": "NCT03269630",
      "title": "New Orleans Pulmonary Hypertension Biobank",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Systemic Sclerosis",
        "Mixed Connective Tissue Disease",
        "Heart Failure With Normal Ejection Fraction",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "No intervention. Biospecimen collection only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2017-12-29",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2021-09-10",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269630"
    },
    {
      "nct_id": "NCT00620139",
      "title": "Proximal Molecular Effects of Concurrent Chemoradiotherapy on Head and Neck Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "the arachidonic acid and EGFR signaling pathways and their interaction in HNSCC tumorigenesis,",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 17,
      "start_date": "2005-03",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-10-24",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00620139"
    },
    {
      "nct_id": "NCT05740501",
      "title": "Pharmacokinetic Profiling of Pembrolizumab and Nivolumab in Patients With Melanoma and/or Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2017-04-26",
      "completion_date": "2020-01-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05740501"
    },
    {
      "nct_id": "NCT02243267",
      "title": "GI SPORE Colon Biosample Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colon Cancer",
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 115,
      "start_date": "2014-09",
      "completion_date": "2017-08-31",
      "has_results": false,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02243267"
    },
    {
      "nct_id": "NCT01414400",
      "title": "Prospective Study to Investigate the Frequency of Possible Bacterial Entry Into the Bloodstream (Bacteremia) and Infectious Complications Associated With the Use of the Spyglass Cholangioscopy System During ERCP (Endoscopic Retrograde Cholangiopancreatography).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bile Duct Stricture",
        "Choledocholithiasis"
      ],
      "interventions": [
        {
          "name": "Blood draw for culture",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "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": 72,
      "start_date": "2011-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01414400"
    },
    {
      "nct_id": "NCT03504644",
      "title": "Venetoclax and Vincristine in Treating Patients With Relapsed or Refractory T-cell or B-cell Acute Lymphoblastic Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Recurrent B Lymphoblastic Lymphoma",
        "Recurrent T Acute Lymphoblastic Leukemia",
        "Recurrent T Lymphoblastic Lymphoma",
        "Refractory B Acute Lymphoblastic Leukemia",
        "Refractory B Lymphoblastic Lymphoma",
        "Refractory T Acute Lymphoblastic Leukemia",
        "Refractory T Lymphoblastic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Liposomal",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2018-08-13",
      "completion_date": "2028-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 163,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 120 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03504644"
    },
    {
      "nct_id": "NCT06109857",
      "title": "Bladder Bank (a Prospective Banking Study)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2022-07-06",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06109857"
    },
    {
      "nct_id": "NCT03429036",
      "title": "Biospecimen Procurement for Head and Neck Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Disorder",
        "Oral Mucosal Disease",
        "Pharyngeal Neoplasm",
        "Head and Neck Neoplasms",
        "Laryngeal Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "3 Years to 120 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2018-05-23",
      "completion_date": "2029-12-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-23T11:06:18.036Z",
      "location_count": 9,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland • Bethesda, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03429036"
    }
  ]
}