{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=55",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 55
    },
    "page_size": 10
  },
  "pagination": {
    "page": 55,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=56&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=54&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-12T08:04:53.084Z",
  "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": "NCT03760549",
      "title": "Study of the Safety and Immunogenicity of NasoVAX Extension",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Subjects were administered NasoVAX high dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Altimmune, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 8,
      "start_date": "2019-01-21",
      "completion_date": "2019-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03760549"
    },
    {
      "nct_id": "NCT02016599",
      "title": "Effects of Transitional Circulation in ELBW Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatal Prematurity",
        "Hypotension"
      ],
      "interventions": [
        {
          "name": "Monitoring and biospecimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Week",
        "sex": "ALL",
        "summary": "Up to 1 Week"
      },
      "enrollment_count": 200,
      "start_date": "2017-09-22",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02016599"
    },
    {
      "nct_id": "NCT06508034",
      "title": "Probiotics for the Prevention of Immunotherapy Induced Colitis in Patients Receiving Immunotherapy",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Live Freeze-Dried Lactic Acid Bacteria Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIETARY_SUPPLEMENT",
        "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": 12,
      "start_date": "2024-07-31",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06508034"
    },
    {
      "nct_id": "NCT03662204",
      "title": "Blood Sample Collection to Evaluate Biomarkers in Subjects With Untreated Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Lung Cancer",
        "Colorectal Cancer",
        "Prostate Cancer",
        "Bladder Cancer",
        "Uterine Cancer",
        "Kidney Cancer",
        "Renal Pelvis Cancer",
        "Pancreatic Cancer",
        "Liver Cancer",
        "Stomach Cancer",
        "Ovarian Cancer",
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Exact Sciences Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5133,
      "start_date": "2018-08-23",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-01",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 119,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 106 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03662204"
    },
    {
      "nct_id": "NCT00342511",
      "title": "Pilots of Self-Collection for HPV DNA Detection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HPV"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2006-01-09",
      "completion_date": "2011-12-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • East Cleveland, Ohio",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "East Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00342511"
    },
    {
      "nct_id": "NCT05703399",
      "title": "Long Term Followup of Patients Enrolled in MC1137, BEAUTY Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 140,
      "start_date": "2023-01-27",
      "completion_date": "2034-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05703399"
    },
    {
      "nct_id": "NCT03676816",
      "title": "Self Sampling for Rapid Turnaround Testing in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chlamydia Trachomatis",
        "Neisseria Gonorrhoeae"
      ],
      "interventions": [
        {
          "name": "vaginal self sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "provider-performed endocervical sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 533,
      "start_date": "2018-09-17",
      "completion_date": "2020-06-09",
      "has_results": false,
      "last_update_posted_date": "2021-08-05",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03676816"
    },
    {
      "nct_id": "NCT06668584",
      "title": "A Phase II Open-label Study of Olutasidenib Post-transplant Maintenance Therapy for Patients With IDH1-mutated Myeloid Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myeloid Malignancies"
      ],
      "interventions": [
        {
          "name": "Olutasidenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 31,
      "start_date": "2024-12-31",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06668584"
    },
    {
      "nct_id": "NCT04295811",
      "title": "Efficacy of EsoGuard Assay on Esophageal Surface Cells Collected With EsoCheck vs EGD for the Diagnosis of BE or EAC",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma",
        "Barretts Esophagus With Dysplasia",
        "Barrett's Esophagus Without Dysplasia"
      ],
      "interventions": [
        {
          "name": "EsoGuard (lab assay)",
          "type": "DEVICE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Lucid Diagnostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 784,
      "start_date": "2020-06-18",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 29,
      "location_summary": "Aurora, Colorado • Englewood, Colorado • Washington D.C., District of Columbia + 24 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04295811"
    },
    {
      "nct_id": "NCT02017509",
      "title": "Immunoscore in Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer of the Rectum",
        "Neoplasms, Rectal",
        "Rectal Cancer",
        "Rectal Tumors",
        "Rectal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Diagnostic Biopsy and Surgical Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Intravoxel incoherent motion MRI (IVIM)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dynamic Contrast Enhanced MRI (DCE-MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "RNA gene expression analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "GENETIC"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2014-01-24",
      "completion_date": "2018-07-17",
      "has_results": false,
      "last_update_posted_date": "2018-08-29",
      "last_synced_at": "2026-11-12T08:04:53.084Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02017509"
    }
  ]
}