{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=37",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 37
    },
    "page_size": 10
  },
  "pagination": {
    "page": 37,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=38&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=36&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T19:12:54.751Z",
  "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": "NCT04267887",
      "title": "Advanced ChemoHormonal Therapy for Treatment Naive Metastatic Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-Sensitive Prostate Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Abiraterone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Antiandrogen Therapy",
          "type": "DRUG"
        },
        {
          "name": "Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "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": 7,
      "start_date": "2020-05-11",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04267887"
    },
    {
      "nct_id": "NCT07769047",
      "title": "Semaglutide and Structured Lifestyle Support to Improve Heart and Blood Vessel Health in Postmenopausal Obese Breast Cancer Survivors Taking Aromatase Inhibitors",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Functional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Lifestyle Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Semaglutide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "46 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "46 Years to 55 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2026-09-01",
      "completion_date": "2035-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07769047"
    },
    {
      "nct_id": "NCT06036134",
      "title": "Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine-Preventable Diseases",
        "COVID-19 Pandemic",
        "Health-Related Behavior",
        "Health Knowledge, Attitudes, Practice",
        "Narration"
      ],
      "interventions": [
        {
          "name": "Baseline surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Storytelling Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information Control Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2023-12-01",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06036134"
    },
    {
      "nct_id": "NCT03849716",
      "title": "Evaluation of Biomarkers of Atopic Dermatitis in Pediatric Patients (PEDISTAD BIOMARKER STUDY)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dermatitis Atopic"
      ],
      "interventions": [
        {
          "name": "Blood sample",
          "type": "OTHER"
        },
        {
          "name": "Cheek swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "0 Years to 11 Years"
      },
      "enrollment_count": 266,
      "start_date": "2019-04-05",
      "completion_date": "2026-04-20",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03849716"
    },
    {
      "nct_id": "NCT04603898",
      "title": "Oxalate Formation From Ascorbic Acid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Low Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbon-13 Ascorbic Acid Oral Load",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2021-11-15",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603898"
    },
    {
      "nct_id": "NCT01840150",
      "title": "Study to Evaluate NA-NOSE for Monitoring and Detecting Recurrence in Early Stage Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage IA Non-small Cell Lung Cancer",
        "Stage IB Non-small Cell Lung Cancer",
        "Stage IIA Non-small Cell Lung Cancer",
        "Stage IIB Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "breath test",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Fox Chase 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": 41,
      "start_date": "2012-08-23",
      "completion_date": "2019-07-05",
      "has_results": false,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01840150"
    },
    {
      "nct_id": "NCT06928662",
      "title": "Chemotherapy (Decitabine in Combination With FLAG-Ida) and Total-Body Irradiation Followed by Donor Stem Cell Transplant for the Treatment of Adults With Myeloid Malignancies at High Risk of Relapse",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Acute Undifferentiated Leukemia",
        "Mixed Phenotype Acute Leukemia",
        "Recurrent Acute Myeloid Leukemia",
        "Recurrent Acute Undifferentiated Leukemia",
        "Recurrent Chronic Myelomonocytic Leukemia",
        "Recurrent Mixed Phenotype Acute Leukemia",
        "Recurrent Myelodysplastic Syndrome",
        "Refractory Acute Myeloid Leukemia",
        "Refractory Acute Undifferentiated Leukemia",
        "Refractory Chronic Myelomonocytic Leukemia",
        "Refractory Mixed Phenotype Acute Leukemia",
        "Refractory Myelodysplastic Syndrome",
        "Secondary Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest Radiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Hematopoietic Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Idarubicin",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2025-09-23",
      "completion_date": "2028-11-29",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06928662"
    },
    {
      "nct_id": "NCT02466750",
      "title": "Safety and Immunogenicity Study of the Western Equine Encephalitis (WEE) Vaccine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Western Equine Encephalitis"
      ],
      "interventions": [
        {
          "name": "Western Equine Encephalitis (WEE) Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 500,
      "start_date": "2015-12-15",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Fort Deterick, Maryland",
      "locations": [
        {
          "city": "Fort Deterick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02466750"
    },
    {
      "nct_id": "NCT04291950",
      "title": "Epigenetics of TNBC in Overweight and Obese Hispanic & Non-Hispanic White Women",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Needle core biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-08-30",
      "completion_date": "2025-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291950"
    },
    {
      "nct_id": "NCT05778162",
      "title": "RISC Panel Remnant Sample Collection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthritis, Inflammatory"
      ],
      "interventions": [
        {
          "name": "Synovasure® RISC™ Panel",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2023-02-01",
      "completion_date": "2024-11-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-18T19:12:54.751Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05778162"
    }
  ]
}