{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=50",
    "query": {
      "intervention": "Patient Questionnaire",
      "page": 50
    },
    "page_size": 10
  },
  "pagination": {
    "page": 50,
    "page_size": 10,
    "total_count": 3503,
    "total_pages": 351,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=51&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=49&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T11:13:26.502Z",
  "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": "NCT01045226",
      "title": "Proton Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "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": 300,
      "start_date": "2009-08",
      "completion_date": "2022-03-17",
      "has_results": false,
      "last_update_posted_date": "2023-02-01",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01045226"
    },
    {
      "nct_id": "NCT05694871",
      "title": "Testing the Addition of Cemiplimab to Palbociclib for the Treatment of Advanced Dedifferentiated Liposarcoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Dedifferentiated Liposarcoma",
        "Locally Advanced Dedifferentiated Liposarcoma",
        "Metastatic Dedifferentiated Liposarcoma",
        "Stage III Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8",
        "Stage IV Soft Tissue Sarcoma of the Trunk and Extremities AJCC v8",
        "Unresectable Dedifferentiated Liposarcoma"
      ],
      "interventions": [
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Cemiplimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 77,
      "start_date": "2023-06-07",
      "completion_date": "2028-04-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 194,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 146 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Antioch",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05694871"
    },
    {
      "nct_id": "NCT05524844",
      "title": "The Microbiome, Bile Acids, and Notch in Barrett's Esophagus (BE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Endoscopy results",
          "type": "OTHER"
        },
        {
          "name": "Dietary questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2021-02-09",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-11",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05524844"
    },
    {
      "nct_id": "NCT07775534",
      "title": "Tear Fluid for the Detection of Tumor-associated Extracellular Vesicles in Glioblastoma Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-12-09",
      "completion_date": "2029-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775534"
    },
    {
      "nct_id": "NCT03546387",
      "title": "Determining Whether Multiple Anesthesia Exposures Affect Cognitive Function for Retinoblastoma Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Retinoblastoma",
        "Retinoblastoma"
      ],
      "interventions": [
        {
          "name": "Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V)",
          "type": "OTHER"
        },
        {
          "name": "California Verbal Learning Test, Children's Version",
          "type": "OTHER"
        },
        {
          "name": "Beery Developmental Test of Visual Motor Integration, 6th edition",
          "type": "OTHER"
        },
        {
          "name": "Grooved Pegboard Test",
          "type": "OTHER"
        },
        {
          "name": "Behavior Assessment System for Children/Parent Report",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 75,
      "start_date": "2018-05-07",
      "completion_date": "2027-05-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03546387"
    },
    {
      "nct_id": "NCT02273206",
      "title": "Collaborative Care to Reduce Depression and Increase Cancer Screening Among Low-Income Urban Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Breast Cancer Screening",
        "Cervical Cancer Screening",
        "Colorectal Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Prevention Care Management for Depression and Cancer Screening",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prevention Care Management for Cancer Screening",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Clinical Directors Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 64 Years · Female only"
      },
      "enrollment_count": 802,
      "start_date": "2014-01",
      "completion_date": "2017-12-31",
      "has_results": true,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 8,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02273206"
    },
    {
      "nct_id": "NCT02743858",
      "title": "Lymphedema Surveillance Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Lymphedema"
      ],
      "interventions": [
        {
          "name": "Bilateral arm measurements",
          "type": "OTHER"
        },
        {
          "name": "Body mass index (BMI)",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 1250,
      "start_date": "2016-04",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "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/NCT02743858"
    },
    {
      "nct_id": "NCT07502885",
      "title": "Deep Phenotyping Gait Deficits in Orthopedic Manifestations of Pediatric Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoma, Bone",
        "Sarcoma, Soft Tissue",
        "Gait Disorder"
      ],
      "interventions": [
        {
          "name": "Lab based 3D Gait Assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Wearable Inertial Sensors (In Lab and Remote)",
          "type": "DEVICE"
        },
        {
          "name": "Functional Testing & Patient Reported Outcomes",
          "type": "OTHER"
        },
        {
          "name": "Remote Wearable Sensor Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "5 Years to 20 Years"
      },
      "enrollment_count": 300,
      "start_date": "2026-06-16",
      "completion_date": "2032-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07502885"
    },
    {
      "nct_id": "NCT03926598",
      "title": "Guide To Goals: A Novel Care Coordination Tool for Children With Type Two Diabetes (T2D)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Patient and/or Family Member Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Certified Diabetes Educator Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Front Desk Staff Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nurse Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgia Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-06-05",
      "completion_date": "2019-08-30",
      "has_results": true,
      "last_update_posted_date": "2023-01-06",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03926598"
    },
    {
      "nct_id": "NCT02975193",
      "title": "Neural Correlates of Cognition in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Computer task assessing cognition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Impulsive-Compulsive Disorders in Parkinson's Disease",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Deep Brain Stimulation Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 64,
      "start_date": "2017-02-01",
      "completion_date": "2020-10-25",
      "has_results": false,
      "last_update_posted_date": "2021-02-15",
      "last_synced_at": "2026-10-30T11:13:26.502Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02975193"
    }
  ]
}