{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=QOL+Questionnaire&page=4",
    "query": {
      "intervention": "QOL Questionnaire",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1300,
    "total_pages": 130,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=QOL+Questionnaire&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=QOL+Questionnaire&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T13:30:39.058Z",
  "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": "NCT04194918",
      "title": "Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Handout",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-05-18",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04194918"
    },
    {
      "nct_id": "NCT02961790",
      "title": "Oxybutynin Chloride in Managing Hot Flashes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Ductal Breast Carcinoma In Situ",
        "Hot Flashes",
        "Lobular Breast Carcinoma In Situ",
        "No Evidence of Disease"
      ],
      "interventions": [
        {
          "name": "Oxybutynin Chloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Academic and Community Cancer Research United",
      "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": 150,
      "start_date": "2016-12-09",
      "completion_date": "2018-04-27",
      "has_results": true,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 13,
      "location_summary": "Peoria, Illinois • Urbana, Illinois • Cedar Rapids, Iowa + 10 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Edgewood",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02961790"
    },
    {
      "nct_id": "NCT05379166",
      "title": "Venetoclax and Azacitidine for Treatment of Therapy Related or Secondary Myelodysplastic Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Myelodysplastic Syndrome",
        "Therapy-Related Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Uma Borate",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2022-06-23",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 3,
      "location_summary": "Columbus, Ohio • Portland, Oregon • Dallas, Texas",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05379166"
    },
    {
      "nct_id": "NCT02940223",
      "title": "Ethyl Icosapentate and Physical Activity in Treating Fatigue in Patients With Advanced Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Neoplasm",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Ethyl Icosapentate",
          "type": "DRUG"
        },
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "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": 2,
      "start_date": "2017-03-16",
      "completion_date": "2020-11-24",
      "has_results": true,
      "last_update_posted_date": "2021-06-10",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02940223"
    },
    {
      "nct_id": "NCT02728596",
      "title": "S1415CD, Trial Assessing CSF Prescribing Effectiveness and Risk (TrACER)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Febrile Neutropenia",
        "Stage 0 Breast Cancer",
        "Stage 0 Colorectal Cancer",
        "Stage 0 Non-Small Cell Lung Cancer",
        "Stage I Colorectal Cancer",
        "Stage IA Breast Cancer",
        "Stage IA Non-Small Cell Lung Carcinoma",
        "Stage IB Breast Cancer",
        "Stage IB Non-Small Cell Lung Carcinoma",
        "Stage IIA Breast Cancer",
        "Stage IIA Colorectal Cancer",
        "Stage IIA Non-Small Cell Lung Carcinoma",
        "Stage IIB Breast Cancer",
        "Stage IIB Colorectal Cancer",
        "Stage IIB Non-Small Cell Lung Carcinoma",
        "Stage IIC Colorectal Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIA Colorectal Cancer",
        "Stage IIIA Non-Small Cell Lung Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIB Colorectal Cancer",
        "Stage IIIB Non-Small Cell Lung Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IIIC Colorectal Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Non-Small Cell Lung Cancer",
        "Stage IVA Colorectal Cancer",
        "Stage IVB Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Preventive Intervention",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3665,
      "start_date": "2016-10-07",
      "completion_date": "2021-08-12",
      "has_results": true,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 159,
      "location_summary": "Jonesboro, Arkansas • Martinez, California • Augusta, Georgia + 134 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Martinez",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02728596"
    },
    {
      "nct_id": "NCT01503086",
      "title": "Computer Training Program for Younger Patients With a Brain Tumor Who Underwent Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Neoplasm",
        "Recurrent Brain Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Computer-Assisted Cognitive Training",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial Assessment and Care",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 45,
      "start_date": "2014-07-30",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 27,
      "location_summary": "Aurora, Colorado • Wilmington, Delaware • Washington D.C., District of Columbia + 24 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01503086"
    },
    {
      "nct_id": "NCT00237679",
      "title": "Quantifying Effects of Treatment of Pediatric Dysphonia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Voice Disorders",
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Neuromuscular Electrical Stimulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Unstimulated",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 31,
      "start_date": "2004-01",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00237679"
    },
    {
      "nct_id": "NCT07226570",
      "title": "Mapping Ibogaine Neural Dynamics in Opioid Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder (OUD)"
      ],
      "interventions": [
        {
          "name": "Observational study with MRI/EEG",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-09-08",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07226570"
    },
    {
      "nct_id": "NCT04239573",
      "title": "Comparing the Clinical Impact of Pancreatic Cyst Surveillance Programs and Associated Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Ultrasound-Guided Fine-Needle Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 770,
      "start_date": "2020-06-16",
      "completion_date": "2034-11-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 413,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 294 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239573"
    },
    {
      "nct_id": "NCT04838223",
      "title": "Neurosensory Abnormalities in SymptomAtic Ocular Surface Patients (NASA)",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dry Eye",
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Hyperosmolar Response",
          "type": "OTHER"
        },
        {
          "name": "Proparacaine Challenge Test",
          "type": "OTHER"
        },
        {
          "name": "Contact Lens Dry Eye Questionnaire-8 (CLDEQ-8) Optional; only for Contact Lens Wearers",
          "type": "OTHER"
        },
        {
          "name": "Ocular Pain Assessment Survey (OPAS)",
          "type": "OTHER"
        },
        {
          "name": "Visual Analogue Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts 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": 1000,
      "start_date": "2021-07-02",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-27T13:30:39.058Z",
      "location_count": 16,
      "location_summary": "Azusa, California • Pomona, California • San Francisco, California + 10 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04838223"
    }
  ]
}