{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Analog+Scale&page=2",
    "query": {
      "intervention": "Visual Analog Scale",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Analog+Scale&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T18:14:16.081Z",
  "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": "NCT03882723",
      "title": "Noninvasive Ventilation Masks Carbon Dioxide Clearance in Normal Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CO2 Clearance",
        "Mask Comfort",
        "Rebreathing Exhaled Gas"
      ],
      "interventions": [
        {
          "name": "Evaluated 4 masks used for NIV with mechanical ventilators",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Rush University 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": 8,
      "start_date": "2018-03-30",
      "completion_date": "2019-08-30",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03882723"
    },
    {
      "nct_id": "NCT01462461",
      "title": "Virtual Integrated Environment in Decreasing Phantom Limb Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phantom Limb"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-10",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2015-10-16",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01462461"
    },
    {
      "nct_id": "NCT06401239",
      "title": "Investigating Dyadic Expectations About ARF Survivorship (IDEAS)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Respiratory Failure",
        "Caregiving Stress",
        "Mental Health Issue"
      ],
      "interventions": [
        {
          "name": "Dyadic expectations about the ARF survivor's perceived health 6 months after hospital discharge",
          "type": "OTHER"
        },
        {
          "name": "Self-efficacy",
          "type": "OTHER"
        },
        {
          "name": "Concordant expectations/shared appraisal of ARF survivor's health 6 months after hospital discharge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2024-07-23",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06401239"
    },
    {
      "nct_id": "NCT02421952",
      "title": "Clinical Use of Baxter Animated Retching Faces (BARF) Scale in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 208,
      "start_date": "2013-04",
      "completion_date": "2018-09-07",
      "has_results": true,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02421952"
    },
    {
      "nct_id": "NCT04688554",
      "title": "Psychosocial, Behavioral, and Radiologic Changes Following Radiosurgery for Benign Neurologic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obsessive-Compulsive Disorder",
        "Pain, Intractable",
        "Depression"
      ],
      "interventions": [
        {
          "name": "fMRI and DTI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Disease-Specific Patient-Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral tests",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University 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": 18,
      "start_date": "2020-08-25",
      "completion_date": "2024-02-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04688554"
    },
    {
      "nct_id": "NCT02608463",
      "title": "Neuropathic Pain in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "painDETECT Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Catastrophizing Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Intensity Scale, Pain Interference Scale, Pain Behavior Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Beck Depression Inventory",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visual Analogue Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient's Global Impression of Change Scale & Clinical Global Impression-Global Improvement Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2016-01-01",
      "completion_date": "2019-04-19",
      "has_results": true,
      "last_update_posted_date": "2021-06-23",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02608463"
    },
    {
      "nct_id": "NCT01324843",
      "title": "Safety and Tolerability of the Derma Vax(Trademark) Clinical Intradermal Electroporation System in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Intradermal Electroporation"
      ],
      "interventions": [
        {
          "name": "EMLA Cream",
          "type": "DRUG"
        },
        {
          "name": "Aveeno Daily Moist",
          "type": "DRUG"
        },
        {
          "name": "Derma Vax",
          "type": "DEVICE"
        },
        {
          "name": "Intradermal Electroporation",
          "type": "PROCEDURE"
        },
        {
          "name": "Visual Analogue Scale",
          "type": "PROCEDURE"
        },
        {
          "name": "Present Pain Intensity",
          "type": "PROCEDURE"
        },
        {
          "name": "McGill Pain Questionnaire",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin Assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2009-06-25",
      "completion_date": "2010-05-27",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01324843"
    },
    {
      "nct_id": "NCT06126341",
      "title": "A Study to Identify Barriers to Cellular Therapies for People With Plasma Cell Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Lecture on the role of cellular therapies in relapse/refractory multiple myeloma/RRMM",
          "type": "OTHER"
        },
        {
          "name": "Hospital Anxiety and Depression Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Duke-UNC Functional Social Support Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Distress Thermometer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "FACT-BMT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychosocial Assessments of Candidates for Transplantation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 49,
      "start_date": "2023-11-03",
      "completion_date": "2029-05-03",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 8,
      "location_summary": "Hartford, Connecticut • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "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/NCT06126341"
    },
    {
      "nct_id": "NCT05183022",
      "title": "Total30 Sphere Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens Complication",
        "Dry Eye"
      ],
      "interventions": [
        {
          "name": "Total30 Sphere Contact Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-01-03",
      "completion_date": "2022-07-20",
      "has_results": true,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05183022"
    },
    {
      "nct_id": "NCT03845881",
      "title": "Trial Comparing a Multi-Modal Pain Protocol With and Without Opioids Following Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-04-10",
      "completion_date": "2020-07-28",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-08T18:14:16.081Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845881"
    }
  ]
}