{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Subjective+Questionnaire",
    "query": {
      "intervention": "Subjective Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 60,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Subjective+Questionnaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T05:37:36.749Z",
  "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": "NCT04301986",
      "title": "Patient Acceptance and Preference Among Screening Modalities for Detection of Barrett's Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "GERD"
      ],
      "interventions": [
        {
          "name": "Cytosponge",
          "type": "DEVICE"
        },
        {
          "name": "Transnasal Endoscopy (TNE)",
          "type": "DEVICE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-08-11",
      "completion_date": "2022-05-10",
      "has_results": true,
      "last_update_posted_date": "2023-05-08",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301986"
    },
    {
      "nct_id": "NCT03739645",
      "title": "Human Behaviors Related to the Expectation of Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fear Pain"
      ],
      "interventions": [
        {
          "name": "Skin conductance levels and slopes over time in conditioned fear as metrics.as metrics for anxiety",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "16 Years to 88 Years"
      },
      "enrollment_count": 32,
      "start_date": "2020-08-01",
      "completion_date": "2023-10-01",
      "has_results": true,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03739645"
    },
    {
      "nct_id": "NCT05307939",
      "title": "A Study on Using Cell-Free Tumor DNA (ctDNA) Testing to Decide When to StartRoutine Treatment in People With Human Papilloma Virus (HPV)- Associated Oropharynx Cancer (OPC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV",
        "Oropharynx Cancer",
        "HPV-Related Carcinoma",
        "HPV-Related Malignancy",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "HPV ctDNA Assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Studies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "EORTC QLQ H&N 35 and C30",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MDADI-HN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "COST-FACIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy (Arm A)",
          "type": "RADIATION"
        },
        {
          "name": "Chemoradiation (Arm B)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "RADIATION",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 30,
      "start_date": "2022-03-24",
      "completion_date": "2027-03-24",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307939"
    },
    {
      "nct_id": "NCT00578032",
      "title": "Reconstructive Surgery For Head And Neck Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Stage Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Quality of Life Questionaires & Interview: EORTC QLQ C-30, EORTC QLQ H&N-35, Health Behaviors, Subjective Significance Questionnaire, Qualitative Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2007-12",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578032"
    },
    {
      "nct_id": "NCT06542458",
      "title": "Under-Represented Communities Diagnosed With SCD or MCI Through Tele-Cog",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Cognitive Impairment",
        "Subjective Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neuroimaging volumetric measures",
          "type": "OTHER"
        },
        {
          "name": "Biofluid samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2026-12-01",
      "completion_date": "2032-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06542458"
    },
    {
      "nct_id": "NCT07071350",
      "title": "Randomized Controlled Trial of Treatment to Optimize Heart Rate Variability for Persistent Post-Concussion Symptoms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autonomic Nervous System Disease",
        "Concussive Injury",
        "Mild Traumatic Brain Injury",
        "Post Traumatic Stress Disorder",
        "Persistent Post Concussion Syndrome"
      ],
      "interventions": [
        {
          "name": "HRV Coherence Ratio",
          "type": "OTHER"
        },
        {
          "name": "NSI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pittsburgh Sleep Quality Index (PSQI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quantitative Sleep Measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Global Impression of Change (PGIC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Performance/NIH Toolbox Cognitive Battery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Interference/TBI-QoL Pain Interference Short-Form",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire-9 (PHQ-9)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PTSD Checklist for DSM-5 (PCL-5)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HRV Biofeedback (HRV-B)",
          "type": "OTHER"
        },
        {
          "name": "Psychoeducational (Edu) Comparator Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2025-09-02",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07071350"
    },
    {
      "nct_id": "NCT01377857",
      "title": "HIV Screening Take-up: Evaluating Incentives and Opt-out Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Monetary Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Timing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIV Test Offering",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "13 Years to 64 Years"
      },
      "enrollment_count": 8572,
      "start_date": "2011-05",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-14",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01377857"
    },
    {
      "nct_id": "NCT01476644",
      "title": "How Has Glaucoma Affected Your Quality of Life?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Clinical evaluation",
          "type": "OTHER"
        },
        {
          "name": "Performance based measures",
          "type": "OTHER"
        },
        {
          "name": "Subjective measures of vision-related quality of life",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 161,
      "start_date": "2011-10",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476644"
    },
    {
      "nct_id": "NCT03364803",
      "title": "Collecting Information About Treatment Results for Patients With Cushing's Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cushing's Disease",
        "Cushing Syndrome",
        "Cushing Disease"
      ],
      "interventions": [
        {
          "name": "Cushing's QoL (Quality of Life Questionnaire)",
          "type": "OTHER"
        },
        {
          "name": "Nottingham Health Profile (NHP)",
          "type": "OTHER"
        },
        {
          "name": "Hospital Anxiety and Depression Scale (HADS)",
          "type": "OTHER"
        },
        {
          "name": "Perceived Stress Scale (PSS)",
          "type": "OTHER"
        },
        {
          "name": "Barratt's Impulsivity Scale (BIS)",
          "type": "OTHER"
        },
        {
          "name": "Beck Depression Inventory (BDI)",
          "type": "OTHER"
        },
        {
          "name": "State-Trait Anxiety Inventory (STAI)",
          "type": "OTHER"
        },
        {
          "name": "State Food Craving Questionnaire-State (FCQ-S)",
          "type": "OTHER"
        },
        {
          "name": "Trait Food Craving Questionnaire-Trait (FCQ-T)",
          "type": "OTHER"
        },
        {
          "name": "Visual Analogue Scale (VAS)",
          "type": "OTHER"
        },
        {
          "name": "Sensitivity to Reinforcement of Addictive and other Primary Rewards (STRAP-R) food variant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2017-11-28",
      "completion_date": "2026-11-28",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "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/NCT03364803"
    },
    {
      "nct_id": "NCT07564648",
      "title": "Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Addiction",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cigarette Purchase Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cross-Price Elasticity Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Diary Surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Progressive Ratio Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2026-07-27",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-06T05:37:36.749Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07564648"
    }
  ]
}