{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=15",
    "query": {
      "intervention": "blood draw and questionnaire completion",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 415,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T11:39:44.637Z",
  "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": "NCT04265547",
      "title": "Family-Based Intervention Study of the Effects of Environmental Exposures on Breast Tissue Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Risk"
      ],
      "interventions": [
        {
          "name": "Breast Cancer Risk Reduction Household Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 65 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2020-01-25",
      "completion_date": "2020-11-21",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04265547"
    },
    {
      "nct_id": "NCT03262831",
      "title": "Mindful Movement in Women Receiving Adjuvant or Neoadjuvant Therapy for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer of Breast"
      ],
      "interventions": [
        {
          "name": "Yoga",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "FACT-G questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Recent Physical Activity Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NHANES Food Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 30,
      "start_date": "2018-01-10",
      "completion_date": "2019-06-26",
      "has_results": false,
      "last_update_posted_date": "2019-09-03",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03262831"
    },
    {
      "nct_id": "NCT01696994",
      "title": "Screening for Ovarian Cancer in Older Patients (PLCO Screening Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Carcinoma",
        "Ovarian Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Screening Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "74 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 74 Years · Female only"
      },
      "enrollment_count": 78216,
      "start_date": "1993-11-16",
      "completion_date": "2027-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696994"
    },
    {
      "nct_id": "NCT06522672",
      "title": "A Study to Assess the Effect of My Happy Flo on Alleviating Period Symptoms and Heavy Flows.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menstrual Cramps",
        "Women's Health",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "My Happy Flo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "My Happy Flo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2024-05-31",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06522672"
    },
    {
      "nct_id": "NCT04969367",
      "title": "Physical Activity in Transfusion Dependent Patients With Myelodysplastic Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "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": "2021-05-10",
      "completion_date": "2023-07-19",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04969367"
    },
    {
      "nct_id": "NCT02196376",
      "title": "Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "History",
          "type": "OTHER"
        },
        {
          "name": "Physical",
          "type": "OTHER"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "13 Years to 80 Years"
      },
      "enrollment_count": 212,
      "start_date": "2014-07",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02196376"
    },
    {
      "nct_id": "NCT05812807",
      "title": "Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Early Stage Triple-Negative Breast Carcinoma",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1295,
      "start_date": "2023-06-14",
      "completion_date": "2033-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 828,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 600 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05812807"
    },
    {
      "nct_id": "NCT05179486",
      "title": "Molecular Epidemiology of Biliary Tree Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cholangiocarcinoma",
        "Malignant Digestive System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1500,
      "start_date": "2017-09-25",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05179486"
    },
    {
      "nct_id": "NCT06521502",
      "title": "The APS Phenotyping Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ARDS",
        "Sepsis",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Urine Collection",
          "type": "OTHER"
        },
        {
          "name": "Nasal, oral, and rectal swabs",
          "type": "OTHER"
        },
        {
          "name": "Stool collection",
          "type": "OTHER"
        },
        {
          "name": "Heat Moisture Exchange Filter collection",
          "type": "OTHER"
        },
        {
          "name": "Tracheal Aspirate sample collection",
          "type": "OTHER"
        },
        {
          "name": "Non-bronchoscopic bronchoalveolar lavage (NBBAL)",
          "type": "PROCEDURE"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        },
        {
          "name": "Short physical performance battery",
          "type": "OTHER"
        },
        {
          "name": "Hand grip strength",
          "type": "OTHER"
        },
        {
          "name": "CNS Vital Signs",
          "type": "OTHER"
        },
        {
          "name": "Muscle Ultrasound",
          "type": "OTHER"
        },
        {
          "name": "Muscle Strength",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "OTHER"
        },
        {
          "name": "Lung Diffusion Testing (DLCO)",
          "type": "OTHER"
        },
        {
          "name": "Chest CT Scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2024-07-25",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 20,
      "location_summary": "Fresno, California • Palo Alto, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06521502"
    },
    {
      "nct_id": "NCT00951626",
      "title": "A Standardized Nursing Intervention Protocol for HCT Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Psychosocial Effects of Cancer and Its Treatment",
        "Therapy-related Toxicity"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "telephone-based intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "dietary intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "standard follow-up care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 282,
      "start_date": "2005-09",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2015-06-08",
      "last_synced_at": "2026-10-13T11:39:44.637Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00951626"
    }
  ]
}