{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=16",
    "query": {
      "intervention": "blood draw and questionnaire completion",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 416,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+and+questionnaire+completion&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T13:01:16.744Z",
  "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": "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": "2026-10-14T13:01:16.744Z",
      "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": "NCT05109065",
      "title": "Peripheral Immune System in Individuals With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Schizo Affective Disorder",
        "Schizophreniform Disorders"
      ],
      "interventions": [
        {
          "name": "SCID (Standardized Clinical Interview for DSM-V)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PSS (Perceived Stress Score)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Toxicology Screen",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Vitals",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Work",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PQ-B",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "COVID Screening",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Positive and Negative Syndrome Scale (PANSS)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 63,
      "start_date": "2021-03-01",
      "completion_date": "2024-05-23",
      "has_results": false,
      "last_update_posted_date": "2025-06-06",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05109065"
    },
    {
      "nct_id": "NCT04004416",
      "title": "Multi-modal Assessment of Gamma-aminobutyric Acid (GABA) Function in Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Bipolar Disorder",
        "Healthy",
        "Psychosis",
        "Schizophreniform Disorders",
        "Schizo Affective Disorder",
        "Major Depression With Psychotic Features"
      ],
      "interventions": [
        {
          "name": "Placebo and fMRI",
          "type": "OTHER"
        },
        {
          "name": "Lorazepam and fMRI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "16 Years to 60 Years"
      },
      "enrollment_count": 143,
      "start_date": "2020-01-16",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04004416"
    },
    {
      "nct_id": "NCT02324062",
      "title": "Cancer Genetics Hereditary Cancer Panel Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Breast and Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw and Baseline Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1511,
      "start_date": "2014-06-12",
      "completion_date": "2020-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Stanford, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02324062"
    },
    {
      "nct_id": "NCT06523868",
      "title": "Evaluation of Multi-Cancer Early Detection Testing in a High-Risk Military Population: The Sentinel Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Diagnosis"
      ],
      "interventions": [
        {
          "name": "GRAIL Galleri",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2025-03-31",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06523868"
    },
    {
      "nct_id": "NCT05687188",
      "title": "Evaluating Obesity-Mediated Mechanisms of Pancreatic Carcinogenesis in Minority Populations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Tissue Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Data Collection",
          "type": "OTHER"
        },
        {
          "name": "Medical Image Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2023-02-22",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Jackson, Mississippi",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05687188"
    },
    {
      "nct_id": "NCT05568420",
      "title": "A Study of the Possible Effects of Medication on Young Onset Colorectal Cancer (YOCRC)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 41,
      "start_date": "2022-09-30",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05568420"
    },
    {
      "nct_id": "NCT04273672",
      "title": "Speech, Linguistic and Acoustic Markers in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Cognitive Impairment, Mild",
        "Speech"
      ],
      "interventions": [
        {
          "name": "Cognitive Battery",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Voice, Speech and Language Analysis",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires and Clinical Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DNA Analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "GENETIC"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2020-01-13",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-06-10",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04273672"
    },
    {
      "nct_id": "NCT00870818",
      "title": "Protege Extension Trial - Long Term Follow Up Trial for Subjects Who Completed the Protege Study (CP-MGA031-01)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Blood samples for safety",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Patient reported outcome questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Analysis of T-cell subsets",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "MacroGenics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "37 Years",
        "sex": "ALL",
        "summary": "10 Years to 37 Years"
      },
      "enrollment_count": 219,
      "start_date": "2009-02",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2023-08-09",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870818"
    },
    {
      "nct_id": "NCT01993810",
      "title": "Comparing Photon Therapy To Proton Therapy To Treat Patients With Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage II Non-Small Cell Lung Cancer AJCC v7",
        "Stage IIA Non-Small Cell Lung Carcinoma AJCC v7",
        "Stage IIB Non-Small Cell Lung Carcinoma AJCC v7",
        "Stage III Non-Small Cell Lung Cancer AJCC v7",
        "Stage IIIA Non-Small Cell Lung Cancer AJCC v7",
        "Stage IIIB Non-Small Cell Lung Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed Disodium",
          "type": "DRUG"
        },
        {
          "name": "Photon Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 330,
      "start_date": "2014-01-03",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-14T13:01:16.744Z",
      "location_count": 30,
      "location_summary": "Jacksonville, Florida • Warrenville, Illinois • Baltimore, Maryland + 23 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Warrenville",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bel Air",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993810"
    }
  ]
}