{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=4",
    "query": {
      "intervention": "demographic questionnaire",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 308,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T10:49:58.750Z",
  "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": "NCT07583368",
      "title": "Chronic Pain, Emotions and Professional Football",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "Chronic Pain (Back / Neck)"
      ],
      "interventions": [
        {
          "name": "No Intervention: Observational Cohort",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Evidence In Motion",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2025-07-18",
      "completion_date": "2026-01-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "Story City, Iowa",
      "locations": [
        {
          "city": "Story City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07583368"
    },
    {
      "nct_id": "NCT00911014",
      "title": "Access to Healthcare, Patient Comprehension and Future Plans of Women Undergoing Surgery for a Vesicovaginal Fistula in Niamey, Niger",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vesicovaginal Fistula",
        "Delivery of Healthcare"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ascher-Walsh, Charles, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 58,
      "start_date": "2005-09",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2009-06-01",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00911014"
    },
    {
      "nct_id": "NCT03531814",
      "title": "Medication Adherence in Children, Adolescents and Adults With Neurofibromatosis Type 1(NF1) on Clinical Treatment Trials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurofibromatosis 1",
        "Neurofibroma, Plexiform"
      ],
      "interventions": [
        {
          "name": "Medication Event Monitoring System (MEMS^TM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "3 Years to 59 Years"
      },
      "enrollment_count": 12,
      "start_date": "2018-10-23",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-06-11",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03531814"
    },
    {
      "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": "2026-11-15T10:49:58.750Z",
      "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": "NCT07690579",
      "title": "Social, Structural, and Lifestyle Drivers of Prostate Cancer Disparities",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Prostate Cancer Recurrent",
        "Prostate Metastases"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Medical Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 350,
      "start_date": "2026-03-31",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07690579"
    },
    {
      "nct_id": "NCT06213064",
      "title": "A Direct-to-Consumer Study Investigating the Effect of Specific Cannabinoid Products on Motivation, Energy Level, Focus, and Appetite in Healthy Adults",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Motivation"
      ],
      "interventions": [
        {
          "name": "Study Product, THC Product, Placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Phylos Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 58,
      "start_date": "2023-08-14",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-19",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06213064"
    },
    {
      "nct_id": "NCT01700374",
      "title": "Happy Mommy! Happy Baby! Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy",
        "Stress, Psychological",
        "Stress, Physiological",
        "Maternal-fetal Relations"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 1506,
      "start_date": "2012-08",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2023-01-06",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 4,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01700374"
    },
    {
      "nct_id": "NCT00255697",
      "title": "Quality of Life of Older Patients Who Are Undergoing Treatment for Cancer and of Their Family Caregivers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psychosocial Effects of Cancer and Its Treatment",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive 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": 863,
      "start_date": "2005-07",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255697"
    },
    {
      "nct_id": "NCT07132788",
      "title": "Understanding the Effects of Pulmonary Arterial Hypertension on Lean Muscle Mass",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Short Performance Physical Battery",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Grip strength test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Six minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Chest CT scan",
          "type": "RADIATION"
        },
        {
          "name": "Dual-Energy X-ray Absorptiometry Scan",
          "type": "RADIATION"
        },
        {
          "name": "Activity monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "24 hour diet recall",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quality of Life Questionnaire (emPHasis 10)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "International Physical Activity Questionnaire Short Form (IPAQ-SF)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2024-07-29",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Providence, Rhode Island",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07132788"
    },
    {
      "nct_id": "NCT05984888",
      "title": "Pilot Study of a MIND Diet Intervention in Women Undergoing Active Treatment for Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "MIND Diet Intervention Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General Health Curriculum (GHC) Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 75 Years · Female only"
      },
      "enrollment_count": 43,
      "start_date": "2023-10-26",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-11-15T10:49:58.750Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05984888"
    }
  ]
}