{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=5",
    "query": {
      "intervention": "demographic questionnaire",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 308,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=demographic+questionnaire&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T11:36:27.792Z",
  "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": "NCT04205786",
      "title": "Vitamin B12 for Aromatase Inhibitors Associated Musculoskeletal Symptoms in Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HR-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Vitamin B12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Brief Pain Inventory - Short Form survey",
          "type": "OTHER"
        },
        {
          "name": "FACT-ES Trial Outcome Index (Version 4)",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire to Assess Adherence to Aromatase Inhibitors",
          "type": "OTHER"
        },
        {
          "name": "Demographics Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-08-12",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04205786"
    },
    {
      "nct_id": "NCT00587886",
      "title": "Estrogen, Diet, Genetics and Endometrial Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Endometrial Cancer",
        "Ovarian Cancer",
        "Corpus Uteri",
        "Endometrium"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 1315,
      "start_date": "2001-09-25",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587886"
    },
    {
      "nct_id": "NCT01136824",
      "title": "Chemotherapy-induced Symptoms in Sarcoma Patients and the Impact of Tumor Burden",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2010-06",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-07-27",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01136824"
    },
    {
      "nct_id": "NCT07659652",
      "title": "Quality of Life for Patients With Breast Cancer Brain Metastases and Leptomeningeal Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer, Quality of Life",
        "Breast Cancer, Metastatic",
        "Breast Cancer, Metastatic Breast Cancer",
        "Leptomeningeal Metastasis of Breast Cancer",
        "Brain Metastases From Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Health-Related Quality of Life (QOL) questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart 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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-10-15",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07659652"
    },
    {
      "nct_id": "NCT00518050",
      "title": "Health Behaviors, Surveillance, Psychosocial Factors, and Family Concerns",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma",
        "Survivors",
        "Psychological Factors"
      ],
      "interventions": [
        {
          "name": "Focus group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey",
          "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2006-10",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2015-07-16",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00518050"
    },
    {
      "nct_id": "NCT03255291",
      "title": "Communicating Multiple Disease Risks: A Translation of Risk Prediction Science",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Risk Assessment App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Audio Recording - Sleep",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        },
        {
          "name": "Audio Recording - Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text message reminders",
          "type": "OTHER"
        },
        {
          "name": "Text Message Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "30 Years to 64 Years"
      },
      "enrollment_count": 554,
      "start_date": "2017-06-27",
      "completion_date": "2019-01-03",
      "has_results": true,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03255291"
    },
    {
      "nct_id": "NCT06469307",
      "title": "Driving Inclusivity, Validity, and Equity in Research Through Strategic Engagement (DIVERSE)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Cancer",
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "DIVERSE Review Process",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-12-09",
      "completion_date": "2028-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06469307"
    },
    {
      "nct_id": "NCT01482741",
      "title": "Understanding Patient Perspectives on the Risks of Ionizing Radiation Used for Medical Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Colon Cancer",
        "Lung Cancer",
        "Neuroblastoma",
        "Testicular Cancer"
      ],
      "interventions": [
        {
          "name": "Focus Group Sessions",
          "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2011-11",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-25",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482741"
    },
    {
      "nct_id": "NCT04697927",
      "title": "A Study of Risk Factors for the COVID-19 Virus Infection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infections in Cancer Patients"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 389,
      "start_date": "2020-12-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04697927"
    },
    {
      "nct_id": "NCT02267265",
      "title": "Pilot Study of Novel Postpartum Educational Video Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior",
        "Communication",
        "Language"
      ],
      "interventions": [
        {
          "name": "TMW-Newborn Intervention video",
          "type": "OTHER"
        },
        {
          "name": "Safe Sleep for your Baby (SIDS) educational video",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 694,
      "start_date": "2015-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-11-15T11:36:27.792Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02267265"
    }
  ]
}