{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=90",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 90
    },
    "page_size": 10
  },
  "pagination": {
    "page": 90,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=91&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=89&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T17:12:25.505Z",
  "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": "NCT04671498",
      "title": "Droplet-BC Screening Test for the Detection of Breast Cancer, the DROPLET-BC Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Droplet-BC Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Preferred Medicine, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1200,
      "start_date": "2020-11-03",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-06-21",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Buffalo, New York • Houston, Texas",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04671498"
    },
    {
      "nct_id": "NCT04897009",
      "title": "Impact of Neoadjuvant Chemotherapy on the Peripheral Blood Immune Phenotype in Operable Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 38,
      "start_date": "2021-06-09",
      "completion_date": "2028-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04897009"
    },
    {
      "nct_id": "NCT06249984",
      "title": "Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Smokeless Tobacco Use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-20",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06249984"
    },
    {
      "nct_id": "NCT04445298",
      "title": "Skin Barrier Assessment in Pregnancy and at Birth",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Related",
        "Allergy",
        "Atopic Dermatitis Eczema",
        "Asthma in Children",
        "Food Allergy"
      ],
      "interventions": [
        {
          "name": "Transepidermal water loss",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin tape stripping",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bacterial PCR swab",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Minutes",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "0 Minutes to 55 Years"
      },
      "enrollment_count": 160,
      "start_date": "2020-08-03",
      "completion_date": "2022-07-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-10",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04445298"
    },
    {
      "nct_id": "NCT02643043",
      "title": "UC-GENOME: Urothelial Cancer-GENOmic Analysis to iMprove Patient Outcomes and rEsearch",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urothelial Carcinoma",
        "Bladder Cancer",
        "Urethral Cancer",
        "Cancer of the Ureter"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Matthew Milowsky, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2017-07-26",
      "completion_date": "2023-09-13",
      "has_results": false,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Baltimore, Maryland + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02643043"
    },
    {
      "nct_id": "NCT03334708",
      "title": "A Study of Blood Based Biomarkers for Pancreas Adenocarcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreatic Diseases",
        "Pancreatitis",
        "Pancreatic Cyst"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor Tissue Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cyst Fluid",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 120,
      "start_date": "2017-10-30",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 10,
      "location_summary": "Middletown, New Jersey • Montvale, New Jersey • Cold Spring Harbor, New York + 4 more",
      "locations": [
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Cold Spring Harbor",
          "state": "New York"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03334708"
    },
    {
      "nct_id": "NCT01075425",
      "title": "Belinostat and Bortezomib in Treating Patients With Relapsed or Refractory Acute Leukemia or Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphocytic Leukemia",
        "Acute Myeloid Leukemia",
        "Myelodysplastic Syndrome",
        "Chronic Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "belinostat",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "western blotting",
          "type": "GENETIC"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": "2010-05",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2016-04-15",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 2,
      "location_summary": "Houston, Texas • Richmond, Virginia",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01075425"
    },
    {
      "nct_id": "NCT05952804",
      "title": "IVIG for Infection Prevention After CAR-T-Cell Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Malignancies"
      ],
      "interventions": [
        {
          "name": "Immune Globulin Infusion (Human), 10% Solution",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anti-CD19 CAR T Cells Preparation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 150,
      "start_date": "2024-06-10",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Miami, Florida • Tampa, Florida + 4 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05952804"
    },
    {
      "nct_id": "NCT04195633",
      "title": "Donor Stem Cell Transplant With Treosulfan, Fludarabine, and Total-Body Irradiation for the Treatment of Hematological Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Adult Diffuse Large Cell Lymphoma",
        "Anaplastic Large Cell Lymphoma",
        "Burkitt Lymphoma",
        "Chronic Myeloid Leukemia, BCR-ABL1 Positive",
        "Chronic Myelomonocytic Leukemia",
        "Hodgkin Lymphoma",
        "Lymphoblastic Lymphoma",
        "Lymphoplasmacytic Lymphoma",
        "Mantle Cell Lymphoma",
        "Mixed Phenotype Acute Leukemia",
        "Myelodysplastic Syndrome",
        "Prolymphocytic Leukemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Follicular Lymphoma",
        "Refractory Marginal Zone Lymphoma",
        "Refractory Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Sodium",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Treosulfan",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 60,
      "start_date": "2021-01-25",
      "completion_date": "2029-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04195633"
    },
    {
      "nct_id": "NCT04122755",
      "title": "Single Ascending Dose Study of ALA-1000",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "ALA-1000",
          "type": "DRUG"
        },
        {
          "name": "buprenorphine sublingual film",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alar Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 59,
      "start_date": "2019-09-16",
      "completion_date": "2021-05-03",
      "has_results": false,
      "last_update_posted_date": "2021-12-30",
      "last_synced_at": "2026-11-11T17:12:25.505Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04122755"
    }
  ]
}