{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=47",
    "query": {
      "intervention": "Peripheral Blood Collection",
      "page": 47
    },
    "page_size": 10
  },
  "pagination": {
    "page": 47,
    "page_size": 10,
    "total_count": 4259,
    "total_pages": 426,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=48&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Collection&page=46&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-04T10:02:32.368Z",
  "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": "NCT01180075",
      "title": "Tenofovir, Emtricitabine, Efavirenz and Atazanavir Pharmacokinetics in the Aging HIV-Infected Population",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "tenofovir/emtricitabine/efavirenz (TDF/FTC/EFV)",
          "type": "DRUG"
        },
        {
          "name": "tenofovir/emtricitabine (TDF/FTC)",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir (ATV)",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 85,
      "start_date": "2010-05",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01180075"
    },
    {
      "nct_id": "NCT02092428",
      "title": "Contrast- Enhanced Whole-Heart Coronary MRA at 3.0T (Tesla)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Image Quality",
          "type": "OTHER"
        },
        {
          "name": "Diagnostic Accuracy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 333,
      "start_date": "2011-04",
      "completion_date": "2017-03-01",
      "has_results": false,
      "last_update_posted_date": "2018-03-23",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02092428"
    },
    {
      "nct_id": "NCT07675967",
      "title": "Clonal Hematopoiesis Chemotherapy and Radiation Effects Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer (Diagnosis)",
        "Osteochondroma",
        "Spitz Nevus",
        "Solid Cancers",
        "Breast Cancer",
        "Gastric (Stomach) Cancer",
        "Colorectal (Colon or Rectal) Cancer",
        "Sarcoma",
        "Ovarian Adenocarcinoma",
        "Uterine Adenocarcinoma",
        "Endometrial Adenocarcinoma",
        "Esophageal Adenocarcinoma",
        "Head and Neck Cancer",
        "Therapy-Related Acute Myeloid Leukemia",
        "Therapy-Related MDS",
        "Clonal Hematopoiesis of Indeterminate Potential (CHIP)",
        "Clonal Cytopenia of Undetermined Significance"
      ],
      "interventions": [
        {
          "name": "Samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2025-04-04",
      "completion_date": "2035-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07675967"
    },
    {
      "nct_id": "NCT03868202",
      "title": "Follicle Stimulating Hormone (FSH) Glycosylation in Women: Effect of Estradiol",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Follicle Stimulating Hormone Glycosylation",
        "Urinary FSH21/FSH24 Ratio",
        "Estradiol Effect"
      ],
      "interventions": [
        {
          "name": "Estradiol Transdermal Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 55 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2019-07-03",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-12",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03868202"
    },
    {
      "nct_id": "NCT07553819",
      "title": "Home-Based Respiratory Muscle Training and Aerobic Exercise Programs to Improve Lung Health in Current and Former Cigarette Smokers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Accelerometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Aerobic Exercise",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Respiratory Muscle Training",
          "type": "PROCEDURE"
        },
        {
          "name": "Supportive Care",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-09-15",
      "completion_date": "2029-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07553819"
    },
    {
      "nct_id": "NCT01418495",
      "title": "Pharmacokinetics of Ch14.18 in Younger Patients With High-Risk Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Localized Resectable Neuroblastoma",
        "Localized Unresectable Neuroblastoma",
        "Neurotoxicity Syndrome",
        "Pain",
        "Regional Neuroblastoma",
        "Stage 4 Neuroblastoma",
        "Stage 4S Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "Up to 15 Years"
      },
      "enrollment_count": 12,
      "start_date": "2011-05-26",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-10-01",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01418495"
    },
    {
      "nct_id": "NCT06915428",
      "title": "Personalized Care for Prenatal Stress Reduction & Prevention of Preterm Birth (PTB) Disparities",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Birth Complication",
        "Preterm Birth",
        "Preterm Birth Recurrence",
        "Preeclampsia",
        "Preeclampsia (PE)",
        "Hypertensive Disorders of Pregnancy",
        "Support Program",
        "Stress",
        "Resilience, Psychological",
        "Empowerment, Patient",
        "Emotional Stress",
        "Pregnancy",
        "Pregnancy Complications",
        "Pregnancy Induced Hypertension",
        "Neonates and Preterm Infants",
        "Cervical Insufficiency",
        "Social Determinants of Health (SDOH)",
        "Cervical Shortening",
        "Disparities in Pregnancy Complications",
        "Disparities",
        "Prenatal Care",
        "Care Coordination"
      ],
      "interventions": [
        {
          "name": "Care coordination",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic massage",
          "type": "BEHAVIORAL"
        },
        {
          "name": "support gift #1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support gift #4",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Additional PTBCARE+ support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress reduction toolkit - Visit 1 (V1)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PTBCARE+ mobile application (app) and website",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep, meditation, and Wellness app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Emergency low blood sugar kit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low dose aspirin (LDA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visit #2 Stress Reduction Toolkit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 1228,
      "start_date": "2026-10-01",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915428"
    },
    {
      "nct_id": "NCT04231877",
      "title": "Polatuzumab Vedotin and Combination Chemotherapy With or Without Glofitamab for the Treatment of Untreated Aggressive Large B-cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Aggressive Non-Hodgkin Lymphoma",
        "ALK-Positive Large B-Cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "EBV-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "High Grade B-Cell Lymphoma With MYC and BCL2 and/or BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma, Not Otherwise Specified",
        "Primary Mediastinal Large B-Cell Lymphoma",
        "T-Cell/Histiocyte-Rich Large B-Cell Lymphoma",
        "Gray-Zone Lymphoma"
      ],
      "interventions": [
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Glofitamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "FDG-Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2020-10-27",
      "completion_date": "2031-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231877"
    },
    {
      "nct_id": "NCT02735512",
      "title": "MDSC Clinical Assay in Finding and Monitoring Cancer Cells in Blood and Urine Samples From Patients With or Without Localized or Metastatic Bladder Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "No Evidence of Disease",
        "Stage II Bladder Cancer",
        "Stage III Bladder Cancer",
        "Stage IVA Bladder Cancer",
        "Stage IVB Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2016-03-01",
      "completion_date": "2022-04-13",
      "has_results": false,
      "last_update_posted_date": "2022-08-10",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735512"
    },
    {
      "nct_id": "NCT02414100",
      "title": "Patient Derived Cancer Cell Lines in Identifying Molecular Changes in Patients With Previously Untreated Pancreatic Cancer Receiving Gemcitabine Hydrochloride-Based Chemotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Ductal Adenocarcinoma",
        "Stage IA Pancreatic Cancer",
        "Stage IB Pancreatic Cancer",
        "Stage IIA Pancreatic Cancer",
        "Stage IIB Pancreatic Cancer",
        "Stage III Pancreatic Cancer",
        "Stage IV Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-12-12",
      "completion_date": "2016-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-11-04T10:02:32.368Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02414100"
    }
  ]
}