{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire+1&page=21",
    "query": {
      "intervention": "Questionnaire 1",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 2377,
    "total_pages": 238,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire+1&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Questionnaire+1&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-04T20:24:31.468Z",
  "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": "NCT02691312",
      "title": "Pediatric Type 1 Diabetes and Retinopathy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Digital Retinography System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "9 Years to 26 Years"
      },
      "enrollment_count": 500,
      "start_date": "2016-07",
      "completion_date": "2018-12-27",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 3,
      "location_summary": "De Leon Springs, Florida • Gainesville, Florida • Orlando, Florida",
      "locations": [
        {
          "city": "De Leon Springs",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02691312"
    },
    {
      "nct_id": "NCT04567771",
      "title": "Comparison of Proton or Intensity Modulated Radiation Therapy After Surgery for Endometrial or Cervical Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Carcinoma",
        "Endometrial Carcinoma",
        "Endometriosis",
        "Pelvic Inflammatory Disease"
      ],
      "interventions": [
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "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": 121,
      "start_date": "2020-12-04",
      "completion_date": "2029-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04567771"
    },
    {
      "nct_id": "NCT04228042",
      "title": "Infigratinib Before Surgery for the Treatment of Upper Tract Urothelial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Renal Pelvis and Ureter Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Infigratinib",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson 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": 15,
      "start_date": "2020-07-28",
      "completion_date": "2024-04-17",
      "has_results": true,
      "last_update_posted_date": "2025-01-01",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04228042"
    },
    {
      "nct_id": "NCT07618273",
      "title": "Smart Symptom Tracking ALEX Application for Tracking and Monitoring Gastrointestinal Health, Smart Horizons Pilot Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Artificial Intelligence-based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Communication Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-04-20",
      "completion_date": "2029-04-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07618273"
    },
    {
      "nct_id": "NCT06180486",
      "title": "Mindfulness Meditation Intervention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Mediation",
        "Feasibility"
      ],
      "interventions": [
        {
          "name": "Mindfulness Meditation Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": "2024-02-02",
      "completion_date": "2025-02-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06180486"
    },
    {
      "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": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04205786"
    },
    {
      "nct_id": "NCT02345629",
      "title": "Cordotomy for Refractory Cancer Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Cancers",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Cordotomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain/Symptom Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sharpness Sensory Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Heat Pain Sensory Testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 18,
      "start_date": "2015-03-10",
      "completion_date": "2020-02-25",
      "has_results": false,
      "last_update_posted_date": "2023-06-07",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02345629"
    },
    {
      "nct_id": "NCT04119037",
      "title": "Cordotomy in Reducing Pain in Patients With Advanced Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Advanced Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cordotomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Sham Intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 27,
      "start_date": "2019-09-16",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04119037"
    },
    {
      "nct_id": "NCT07340853",
      "title": "CRISPR Delivered Anti-BCMA Car-T Therapy for Relapsed or Refractory Multiple Myeloma",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Recurrent Multiple Myeloma",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Chimeric Antigen Receptor T cells (CAR-T) Targeting BCMA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality of Life (QoL) Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Radiographic imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "Thomas Martin, MD",
      "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": "2026-02-28",
      "completion_date": "2043-05-25",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07340853"
    },
    {
      "nct_id": "NCT04930653",
      "title": "Extracorporeal Photopheresis and Mogamulizumab for the Treatment of Erythrodermic Cutaneous T Cell Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Folliculotropic Mycosis Fungoides",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Sezary Syndrome",
        "Stage IB Mycosis Fungoides and Sezary Syndrome AJCC v8",
        "Stage II Mycosis Fungoides and Sezary Syndrome AJCC v8",
        "Stage IIA Mycosis Fungoides and Sezary Syndrome AJCC v8",
        "Stage IIB Mycosis Fungoides and Sezary Syndrome AJCC v8",
        "Transformed Mycosis Fungoides"
      ],
      "interventions": [
        {
          "name": "Extracorporeal Photopheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Mogamulizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "City of Hope 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": 34,
      "start_date": "2022-10-19",
      "completion_date": "2028-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-11-04T20:24:31.468Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Duarte, California • Atlanta, Georgia",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04930653"
    }
  ]
}