{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pre-study+Questionnaire&page=2",
    "query": {
      "intervention": "Pre-study Questionnaire",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pre-study+Questionnaire&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T16:33:03.322Z",
  "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": "NCT06224205",
      "title": "Digital Detection of Dementia (D Cubed) Studies: D3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease and Related Dementias (ADRD)"
      ],
      "interventions": [
        {
          "name": "Passive Digital Marker for screening for ADRD",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1281,
      "start_date": "2023-11-08",
      "completion_date": "2025-11-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06224205"
    },
    {
      "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": "2026-09-21T16:33:03.322Z",
      "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": "NCT04696159",
      "title": "Impact of Per Oral Pyloromyotomy (POP) on Glycemic Control in Diabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Gastroparesis With Diabetes Mellitus",
        "Gastroparesis"
      ],
      "interventions": [
        {
          "name": "Pyloromyotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Matthew Allemang",
      "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": "2023-01-04",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04696159"
    },
    {
      "nct_id": "NCT06427824",
      "title": "Comprehensive Geriatric Assessment (Tests) for Bladder Cancer Participants Undergoing Radical Cystectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Educational Video Modules on Risk Prevention Before and After Cystectomy (Surgery)",
          "type": "OTHER"
        },
        {
          "name": "Geriatric Service/ Discharge Planning",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 85,
      "start_date": "2024-08-09",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06427824"
    },
    {
      "nct_id": "NCT06706856",
      "title": "Quantitative Ultrasound to Assess Steatotic Liver Disease in Children",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MASLD",
        "MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease"
      ],
      "interventions": [
        {
          "name": "MR exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "US exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Physical measurements",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-09-23",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06706856"
    },
    {
      "nct_id": "NCT07559253",
      "title": "Implementation of an Accessible Healthcare Model (ACHD STRONG): Comparing Nurse and Physician Lead Healthcare Transition Education in a RE-AIM Framework",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Accessible Care Model Visit",
          "type": "OTHER"
        },
        {
          "name": "Recruitment Interviews",
          "type": "OTHER"
        },
        {
          "name": "Participating Patient-Support Person Interviews",
          "type": "OTHER"
        },
        {
          "name": "Participating Patient-Support Person Surveys",
          "type": "OTHER"
        },
        {
          "name": "Participating Provider Interviews and surveys",
          "type": "OTHER"
        },
        {
          "name": "Unstructured and semi-structured interviews",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "12 Years to 26 Years"
      },
      "enrollment_count": 450,
      "start_date": "2025-12-01",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07559253"
    },
    {
      "nct_id": "NCT03991429",
      "title": "Brain Imaging in Men With Lower Urinary Tract Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Voiding Disorders"
      ],
      "interventions": [
        {
          "name": "Simultaneous functional MRI and urodynamic studies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post Void Residual (PVR), Uroflow and Bladder Diary",
          "type": "OTHER"
        },
        {
          "name": "Urinalysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "45 Years to 90 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2019-06-04",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03991429"
    },
    {
      "nct_id": "NCT04077229",
      "title": "Piloting Text Messages to Promote Positive Affect and Physical Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Coronary Syndrome"
      ],
      "interventions": [
        {
          "name": "Intervention arm: Text Message Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 63,
      "start_date": "2016-09",
      "completion_date": "2019-10",
      "has_results": false,
      "last_update_posted_date": "2020-02-21",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077229"
    },
    {
      "nct_id": "NCT04936230",
      "title": "Immunotherapy With or Without Radiation Therapy for Metastatic Urothelial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Urothelial Carcinoma",
        "Platinum-Resistant Urothelial Carcinoma",
        "Stage IV Bladder Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2022-11-22",
      "completion_date": "2024-08-15",
      "has_results": true,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 83,
      "location_summary": "Littleton, Colorado • Bloomington, Illinois • Canton, Illinois + 64 more",
      "locations": [
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Illinois"
        },
        {
          "city": "Carthage",
          "state": "Illinois"
        },
        {
          "city": "Centralia",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04936230"
    },
    {
      "nct_id": "NCT01988675",
      "title": "MRI Study of Radiation-Induced Damage to White Matter and Blood-Brain-Barrier",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Neoplasms"
      ],
      "interventions": [
        {
          "name": "Whole Brain Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Partial Brain Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Neuropsychological Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality of Life Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI) Assessments",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Michigan Rogel 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": 91,
      "start_date": "2004-08-26",
      "completion_date": "2014-06-03",
      "has_results": false,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-21T16:33:03.322Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988675"
    }
  ]
}