{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=4",
    "query": {
      "intervention": "Patient Questionnaire",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3499,
    "total_pages": 350,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Patient+Questionnaire&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T08:27:28.593Z",
  "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": "NCT03467906",
      "title": "Role of Dietary Habits in Efficacy of Bariatric Surgery - Study B",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bariatric Surgery",
        "Sleeve Gastrectomy",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "In-laboratory assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "62 Years",
        "sex": "ALL",
        "summary": "22 Years to 62 Years"
      },
      "enrollment_count": 44,
      "start_date": "2021-05-25",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03467906"
    },
    {
      "nct_id": "NCT03654404",
      "title": "A Proof-of-Concept Trial of a Positive Psychology Intervention for Allogeneic Stem Cell Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematologic Malignancy",
        "Hematopoietic/Lymphoid Cancer",
        "Blood Cancer"
      ],
      "interventions": [
        {
          "name": "Positive Psychology Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 29,
      "start_date": "2018-09-11",
      "completion_date": "2021-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03654404"
    },
    {
      "nct_id": "NCT00596349",
      "title": "Women Surviving Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epithelial Ovarian Cancer",
        "Quality of Life",
        "Survivorship"
      ],
      "interventions": [
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 62,
      "start_date": "2004-11",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2009-02-26",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00596349"
    },
    {
      "nct_id": "NCT02530658",
      "title": "Next Generation Sequencing of Normal Tissues Prospectively in Pediatric Oncology Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Solid, Liquid, Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "Study Introduction Visit",
          "type": "OTHER"
        },
        {
          "name": "Informed Consent Visit",
          "type": "OTHER"
        },
        {
          "name": "Informed Consent Follow-Up Visit",
          "type": "OTHER"
        },
        {
          "name": "Return of Results Conversation",
          "type": "OTHER"
        },
        {
          "name": "Return of Results Follow-Up Visits",
          "type": "OTHER"
        },
        {
          "name": "Blood Sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2500,
      "start_date": "2015-08-28",
      "completion_date": "2053-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02530658"
    },
    {
      "nct_id": "NCT03817398",
      "title": "Stopping Tyrosine Kinase Inhibitors in Affecting Treatment-Free Remission in Patients With Chronic Phase Chronic Myeloid Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Drug Withdrawn",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tyrosine Kinase Inhibitor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 110,
      "start_date": "2019-11-08",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 157,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 123 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03817398"
    },
    {
      "nct_id": "NCT02619708",
      "title": "Preoperative Immersive Patient Quality Experience",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patient-centered Outcomes Research",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Immersive Preoperative Experience",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2015-12",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-25",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02619708"
    },
    {
      "nct_id": "NCT02699697",
      "title": "Palliative Radiation Therapy in Reducing Pain in Patients With Bone Metastasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm",
        "Metastatic Malignant Neoplasm in the Bone",
        "Pain"
      ],
      "interventions": [
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Palliative Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 102,
      "start_date": "2016-05",
      "completion_date": "2025-03-20",
      "has_results": true,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02699697"
    },
    {
      "nct_id": "NCT00026182",
      "title": "Rituximab and Interleukin-12 in Treating Patients With B-Cell Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Splenic Marginal Zone Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant interleukin-12",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "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": 99,
      "start_date": "2001-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-08-26",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026182"
    },
    {
      "nct_id": "NCT01652768",
      "title": "PRESENCE Project: An Early Palliative Care Intervention in Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Brain Tumors"
      ],
      "interventions": [
        {
          "name": "Research Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Palliative Care Team",
          "type": "OTHER"
        },
        {
          "name": "Educational Information Session for Patients and Caregivers",
          "type": "OTHER"
        },
        {
          "name": "Contact every 2 weeks",
          "type": "OTHER"
        },
        {
          "name": "Follow-up Surgical Visit Session",
          "type": "OTHER"
        },
        {
          "name": "Medical and/or Radiation Oncology Appointment Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case Comprehensive 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": 1,
      "start_date": "2011-12",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-08-29",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01652768"
    },
    {
      "nct_id": "NCT04038879",
      "title": "Comparison Study of Echocardiography and Cardiovascular Magnetic Resonance Imaging in the Assessment of Mitral and Aortic Regurgitation",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitral Regurgitation",
        "Aortic Regurgitation"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Atlantic Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2010-07",
      "completion_date": "2023-07",
      "has_results": false,
      "last_update_posted_date": "2019-08-06",
      "last_synced_at": "2026-10-22T08:27:28.593Z",
      "location_count": 1,
      "location_summary": "Morristown, New Jersey",
      "locations": [
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038879"
    }
  ]
}