{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=34",
    "query": {
      "intervention": "Sample Collection Blood",
      "page": 34
    },
    "page_size": 10
  },
  "pagination": {
    "page": 34,
    "page_size": 10,
    "total_count": 2814,
    "total_pages": 282,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=35&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=33&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T22:36:57.788Z",
  "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": "NCT00500734",
      "title": "Cardiomyopathy Tissue Bank in a Cancer Population",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Months and older"
      },
      "enrollment_count": 1000,
      "start_date": "2002-12-10",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500734"
    },
    {
      "nct_id": "NCT00788944",
      "title": "Determine The Percentage Of Depressed Outpatients Who Do Not Effectively Metabolize Extended-release Venlafaxine HCl",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 971,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2011-01-07",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • Tuscon, Arizona • Little Rock, Arkansas + 46 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00788944"
    },
    {
      "nct_id": "NCT05799144",
      "title": "pBI-11 & TA-HPV (With Pembrolizumab as Treatment for Patients w/Advanced, PD-L1 CPS≥1, hrHPV+ Oropharyngeal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Oropharyngeal Carcinoma",
        "Recurrent Oropharyngeal Carcinoma"
      ],
      "interventions": [
        {
          "name": "DNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Human Papillomavirus Tumor Antigen Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography (CT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Michael K. Gibson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2023-07-26",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Nashville, Tennessee",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05799144"
    },
    {
      "nct_id": "NCT04997616",
      "title": "Determination of Cannabinoid and Cannabinoid Metabolite Levels in Healthy Volunteers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Happy Lane Hemp Extract/CBD soft gels (25 mg/capsule)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-01-03",
      "completion_date": "2023-01-03",
      "has_results": false,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04997616"
    },
    {
      "nct_id": "NCT03777904",
      "title": "The Iron Content of Ferritin in Serum and Urine of Children With High Serum Ferritin Levels",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Iron Overload"
      ],
      "interventions": [
        {
          "name": "Serum Ferritin level",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum Ferritin iron content",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Ferritin level",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine ferritin iron content",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Year to 17 Years"
      },
      "enrollment_count": 11,
      "start_date": "2019-02-21",
      "completion_date": "2019-12-10",
      "has_results": false,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03777904"
    },
    {
      "nct_id": "NCT05047926",
      "title": "Prehabilitation for Stage IIIC-IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Ovarian Carcinoma",
        "Stage IIIC Fallopian Tube Cancer AJCC v8",
        "Stage IIIC Ovarian Cancer AJCC v8",
        "Stage IIIC Primary Peritoneal Cancer AJCC v8",
        "Stage IV Fallopian Tube Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Primary Peritoneal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutritional Supplement Drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 90,
      "start_date": "2021-10-05",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05047926"
    },
    {
      "nct_id": "NCT04273893",
      "title": "Lymphocyte Depletion and Change in Lymphocyte Functionality",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphocyte Depletion"
      ],
      "interventions": [
        {
          "name": "SBRT with additional treatment planning dose optimization",
          "type": "RADIATION"
        },
        {
          "name": "SBRT with standard of care planning only",
          "type": "RADIATION"
        },
        {
          "name": "Blood Draws",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2020-02-12",
      "completion_date": "2025-06-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04273893"
    },
    {
      "nct_id": "NCT01475149",
      "title": "Effect of HCQ on AnxA5 Resistance Assay in Antiphospholipid (aPL) Positive Patients With and Without Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Antiphospholipid Syndrome",
        "Thrombophilia Due to Antiphospholipid Antibody",
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Phlebotomy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 33,
      "start_date": "2010-09",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-03-27",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475149"
    },
    {
      "nct_id": "NCT06960798",
      "title": "Characterizing the Genomic Landscape of Cancer in Native American Populations (NAT-Geno)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Renal Cell Carcinoma (RCC)"
      ],
      "interventions": [
        {
          "name": "Bio-specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2026-11-02",
      "completion_date": "2029-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06960798"
    },
    {
      "nct_id": "NCT07276438",
      "title": "Image-Guidance and Online Adaptation With Stereotactic Body Radiation Therapy for the Treatment of Localized Prostate Cancer, MANTICORE Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Localized Prostate Adenocarcinoma",
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "CT-guided Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Inter-fraction Adaptation of Treatment Plan",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI-guided Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "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": 186,
      "start_date": "2025-12-01",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-10-23T22:36:57.788Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07276438"
    }
  ]
}