{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serial+Blood+Sampling",
    "query": {
      "intervention": "Serial Blood Sampling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 54,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serial+Blood+Sampling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T05:28:17.682Z",
  "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": "NCT00987831",
      "title": "Biomarkers of Lupus Disease: Serial Biomarker Sampling in Patients With Active Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Group B SLE one blood donation",
          "type": "OTHER"
        },
        {
          "name": "Blood drawing only Group C",
          "type": "OTHER"
        },
        {
          "name": "Group A SLE prospective study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Oklahoma Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "14 Years to 70 Years"
      },
      "enrollment_count": 158,
      "start_date": "2009-05",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-10-20",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Collegeville, Pennsylvania",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Collegeville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987831"
    },
    {
      "nct_id": "NCT04167969",
      "title": "The Use of Nanoparticles to Guide the Surgical Treatment of Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "(64Cu)-NOTA-PSMAi-PEG-Cy5.5-C' dot tracer",
          "type": "DRUG"
        },
        {
          "name": "PET/MRI/fluorescence imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood and urine sampling",
          "type": "OTHER"
        },
        {
          "name": "laparoscopic radical prostatectomy and bilateral pelvic LN dissection or a salvage lymph node dissection",
          "type": "PROCEDURE"
        },
        {
          "name": "89Zr-DFO-PSMAi-PEG-Cy5.5-C' dots",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 16,
      "start_date": "2021-02-17",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04167969"
    },
    {
      "nct_id": "NCT01582204",
      "title": "Evaluate The Utility Of 124I-cG250 for The Early Detection Of Response to Therapy In Patients With Metastatic Renal Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Cancer"
      ],
      "interventions": [
        {
          "name": "124IcG250",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": "2012-04",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01582204"
    },
    {
      "nct_id": "NCT02815917",
      "title": "Evaluation of D3 Receptor Occupancy Using FLUORTRIOPRIDE ([18F]FTP) PET/CT",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "D3 Dopamine Receptor",
        "Cocaine-dependent",
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "[18F]FTP PET/CT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2016-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02815917"
    },
    {
      "nct_id": "NCT04791215",
      "title": "Circulating Tumor DNA Alterations in Non-small Cell Lung Cancer Patients Treated With Pembrolizumab",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2020-02-01",
      "completion_date": "2023-04-12",
      "has_results": false,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04791215"
    },
    {
      "nct_id": "NCT07322406",
      "title": "Kaempferol Absorption and Pharmacokinetics Evaluation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "No Disease",
        "Mitochondria Health",
        "Longevity",
        "Pharmacokinetics and Biological Absorption of Kaempferol in Healthy Adult",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Kaempferol",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-12-09",
      "completion_date": "2027-12-22",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 3,
      "location_summary": "New York, New York • Chapel Hill, North Carolina • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322406"
    },
    {
      "nct_id": "NCT06151223",
      "title": "A Prospective Registry for Patients at High-Risk for Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreatic Ductal Adenocarcinoma",
        "PDAC",
        "PDAC - Pancreatic Ductal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Bio-specimen Collection: Blood",
          "type": "OTHER"
        },
        {
          "name": "Bio-specimen Collection: Pancreatic Juice",
          "type": "OTHER"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2021-07-13",
      "completion_date": "2031-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06151223"
    },
    {
      "nct_id": "NCT03081390",
      "title": "Migraine and CVD Risk in Women",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Mixed meal tolerance testing",
          "type": "OTHER"
        },
        {
          "name": "Skin conductance & cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Flow-mediated dilation testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2017-04-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03081390"
    },
    {
      "nct_id": "NCT03864406",
      "title": "Impact of Steady State Cobicistat and Darunavir/Cobicistat on the Pharmacokinetics and Pharmacodynamics of Oral Anticoagulants (Rivaroxaban, Apixaban) in Health Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Cobicistat",
          "type": "DRUG"
        },
        {
          "name": "Darunavir/Cobicistat",
          "type": "DRUG"
        },
        {
          "name": "Rivaroxaban",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-06-04",
      "completion_date": "2022-12-10",
      "has_results": true,
      "last_update_posted_date": "2023-12-01",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03864406"
    },
    {
      "nct_id": "NCT04063397",
      "title": "Persistent Postpartum Cardiovascular Dysfunction in Patients With Preeclampsia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia Severe or Mild",
        "Cardiac Complication"
      ],
      "interventions": [
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Ohio State University",
      "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": 27,
      "start_date": "2019-08-19",
      "completion_date": "2023-12-14",
      "has_results": false,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-09-02T05:28:17.682Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04063397"
    }
  ]
}