{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=6",
    "query": {
      "intervention": "Questionnaire-data collection",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 1504,
    "total_pages": 151,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire-data+collection&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T07:28:04.194Z",
  "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": "NCT00476632",
      "title": "Epidemiology Controls Using Healthy Participants",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 1500,
      "start_date": "2004-06",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-05-10",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00476632"
    },
    {
      "nct_id": "NCT07487844",
      "title": "Pulsed Electric Field Ablation for Metastatic Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Breast Cancer",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pulsed Electric Field (PEF) System",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tumor Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "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": 20,
      "start_date": "2026-06-29",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07487844"
    },
    {
      "nct_id": "NCT02326532",
      "title": "Incorporation of Patient Reported Outcomes Data in the Care of US Veterans With Rheumatoid Arthritis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "PRO data utilized",
          "type": "OTHER"
        },
        {
          "name": "PRO data not utilized",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "North Florida Foundation for Research and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 143,
      "start_date": "2015-02",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-09",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02326532"
    },
    {
      "nct_id": "NCT02663271",
      "title": "TTFields and Pulsed Bevacizumab for Recurrent Glioblastoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme",
        "Glioblastoma",
        "Malignant Glioma",
        "GBM"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Optune",
          "type": "DEVICE"
        },
        {
          "name": "Brain MRI",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2016-12-19",
      "completion_date": "2021-06-11",
      "has_results": true,
      "last_update_posted_date": "2022-06-23",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • St Louis, Missouri",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02663271"
    },
    {
      "nct_id": "NCT05378529",
      "title": "A Cross-sectional Study of Lipoprotein(a) Levels in Patients With Documented History of Atherosclerotic Cardiovascular Disease (ASCVD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atherosclerotic Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Lp(a) Screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 39480,
      "start_date": "2022-04-19",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 113,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 97 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05378529"
    },
    {
      "nct_id": "NCT04050319",
      "title": "ATI Evidence-based Guide Investigating Medical and Preventative Services",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sport Medicine"
      ],
      "interventions": [
        {
          "name": "Screening and diagnosis if injured",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "ATI Holdings, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 550000,
      "start_date": "2026-04-23",
      "completion_date": "2029-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Downers Grove, Illinois",
      "locations": [
        {
          "city": "Downers Grove",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04050319"
    },
    {
      "nct_id": "NCT02286713",
      "title": "PCORI-CER-1306-03385 Informed Decisions About Lung Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer",
        "Smoking Cessation",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Patient Decision Aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Educational Information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Follow-Up Assessments: Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "55 Years to 77 Years"
      },
      "enrollment_count": 516,
      "start_date": "2015-03",
      "completion_date": "2020-12-30",
      "has_results": true,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Ridgeland, Mississippi",
      "locations": [
        {
          "city": "Ridgeland",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02286713"
    },
    {
      "nct_id": "NCT04215029",
      "title": "Lifestyle Intervention for the Reduction of Prostate Cancer Disparities Among African Americans",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Survivor",
        "Partner",
        "Spouse",
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage IIA Prostate Cancer AJCC v8",
        "Stage IIB Prostate Cancer AJCC v8",
        "Stage IIC Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IIIA Prostate Cancer AJCC v8",
        "Stage IIIB Prostate Cancer AJCC v8",
        "Stage IIIC Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 6,
      "start_date": "2019-08-27",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04215029"
    },
    {
      "nct_id": "NCT05006131",
      "title": "Pancreatic Cancer Screening for At-risk Individuals",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer, Adult"
      ],
      "interventions": [
        {
          "name": "Screening for pancreatic cancer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 1395,
      "start_date": "2020-07-10",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05006131"
    },
    {
      "nct_id": "NCT01182519",
      "title": "Lung Inflammation and Lung Metastases From Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "questionnaire, blood draw and urine sample",
          "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": 400,
      "start_date": "2010-08",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2016-07-12",
      "last_synced_at": "2026-10-18T07:28:04.194Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01182519"
    }
  ]
}