{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Demographics+and+Health+History+Questionnaire",
    "query": {
      "intervention": "Demographics and Health History Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 62,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Demographics+and+Health+History+Questionnaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T11:45:42.251Z",
  "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": "NCT02942212",
      "title": "Health Literacy and Smoking Cessation in Low-SES Diverse Smokers - Project HALT II",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-Depth Interviews",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breath Test",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patches",
          "type": "DRUG"
        },
        {
          "name": "Advice plus Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Advice plus Counseling Sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self Assessment Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-12-14",
      "completion_date": "2018-12-14",
      "has_results": false,
      "last_update_posted_date": "2019-05-01",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02942212"
    },
    {
      "nct_id": "NCT07569445",
      "title": "Auditory EEG and Behavioral Assessments in Individuals With Rett Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rett Syndrome"
      ],
      "interventions": [
        {
          "name": "Electroencephalogram (EEG) Recording",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-07-31",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07569445"
    },
    {
      "nct_id": "NCT07691112",
      "title": "Prevalence of Chapman Reflex Points in Medical Students and Their Association With Visceral Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Autonomic Nervous System Diseases",
        "Lymphatic Diseases",
        "Somatic Dysfunction",
        "Chapman Reflex Points"
      ],
      "interventions": [
        {
          "name": "Chapman Reflex Point Examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Touro College and University System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2020-03-04",
      "completion_date": "2026-06-27",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07691112"
    },
    {
      "nct_id": "NCT02869412",
      "title": "Computer-Based Behavior Change Guide in Increasing Physical Activity in Patients With Prostate Cancer Who Have Received Androgen Deprivation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Intervention",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 56,
      "start_date": "2015-01",
      "completion_date": "2017-07-31",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02869412"
    },
    {
      "nct_id": "NCT00661882",
      "title": "Pancreatic Cancer Collaborative Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "study of socioeconomic and demographic variables",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "19 Years to 100 Years"
      },
      "enrollment_count": 379,
      "start_date": "2003-02",
      "completion_date": "2013-09-09",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00661882"
    },
    {
      "nct_id": "NCT02577237",
      "title": "Building Caregiver Skills Using a Simulation-based Intervention for Care of Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "In-person education sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NCI Booklet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2015-08-01",
      "completion_date": "2018-01-12",
      "has_results": false,
      "last_update_posted_date": "2019-02-11",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02577237"
    },
    {
      "nct_id": "NCT00582478",
      "title": "Investigating Mechanisms to Explain Age Associated Differences in Quality of Life Among Breast Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 650,
      "start_date": "2001-10",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00582478"
    },
    {
      "nct_id": "NCT06431347",
      "title": "Prospective Observational Cohort Study of Transplant and Cell Therapy Candidates and Recipients to Assess Social Determinants of Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transplant and Cell Therapy"
      ],
      "interventions": [
        {
          "name": "Social Determinants of Health Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 2000,
      "start_date": "2024-06-17",
      "completion_date": "2029-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06431347"
    },
    {
      "nct_id": "NCT00573027",
      "title": "Heart Disease of the Small Arteries in Women and Men",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "noninvasive tests",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Cedars-Sinai 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": 634,
      "start_date": "2005-11",
      "completion_date": "2040-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00573027"
    },
    {
      "nct_id": "NCT04828551",
      "title": "Noninvasive Biomarkers of Metabolic Liver Disease 1.1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nonalcoholic Steatohepatitis",
        "Nonalcoholic Fatty Liver"
      ],
      "interventions": [
        {
          "name": "Ultrasound based shear wave speed and fat quantification methods",
          "type": "DEVICE"
        },
        {
          "name": "Blood collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical measurements",
          "type": "OTHER"
        },
        {
          "name": "Clinical history and medication reviews",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-03-18",
      "completion_date": "2021-11-20",
      "has_results": true,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-09-23T11:45:42.251Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04828551"
    }
  ]
}