{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Analogue+Scale&page=3",
    "query": {
      "intervention": "Visual Analogue Scale",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 151,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Analogue+Scale&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Analogue+Scale&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T23:33:26.517Z",
  "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": "NCT03778177",
      "title": "Neurophysiologic Signatures of Trigeminal Neuralgia Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trigeminal Neuralgia (TN)"
      ],
      "interventions": [
        {
          "name": "transcranial electrical brain stimulation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 61,
      "start_date": "2019-02-01",
      "completion_date": "2022-05-12",
      "has_results": false,
      "last_update_posted_date": "2022-10-06",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03778177"
    },
    {
      "nct_id": "NCT01723137",
      "title": "Measuring Changes in Acute Pain in the Emergency Department Using Patient Reported Scales",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3630,
      "start_date": "2010-05",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-10-25",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01723137"
    },
    {
      "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": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845881"
    },
    {
      "nct_id": "NCT03271528",
      "title": "Lacosamide Effects on Alcohol Self Administration and Craving in Heavy Drinkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Lacosamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 66,
      "start_date": "2018-04-15",
      "completion_date": "2020-08-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-03",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03271528"
    },
    {
      "nct_id": "NCT05230407",
      "title": "Does BMI Influence Pain Follow vNOTE Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obese",
        "Surgery",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Visual analog scale (VAS) assesment of pain",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 64,
      "start_date": "2022-02-05",
      "completion_date": "2024-05-18",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05230407"
    },
    {
      "nct_id": "NCT06638944",
      "title": "Wearable Biofeedback for Swallowing Disorders Rehabilitation in Stroke and Parkinson Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dysphagia",
        "Stroke",
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "In-person sEMG-biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remote sEMG-biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard-of-care treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-07-22",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 2,
      "location_summary": "Champaign, Illinois • West Lafayette, Indiana",
      "locations": [
        {
          "city": "Champaign",
          "state": "Illinois"
        },
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06638944"
    },
    {
      "nct_id": "NCT07348627",
      "title": "Opioid-Sparing Joint Replacement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain Management",
        "Opioid Consumption"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Multimodal Non-Opioid Analgesia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2026-03-19",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07348627"
    },
    {
      "nct_id": "NCT03950817",
      "title": "Nebulized Sub-dissociative Dose Ketamine at Three Different Dosing Regimens for Treating Acute Pain in the Pediatric ED",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Nebulized Sub-dissociative Dose Ketamine at either 0.75 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Nebulized Sub-dissociative Dose Ketamine at 1 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Nebulized Sub-dissociative Dose Ketamine at 1.5 mg/kg.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antonios Likourezos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 80,
      "start_date": "2019-05-13",
      "completion_date": "2024-09-24",
      "has_results": true,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03950817"
    },
    {
      "nct_id": "NCT05280522",
      "title": "Pain Inhibition With Neuromuscular Electrical Stimulation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Volitional Contractions (VOL)",
          "type": "OTHER"
        },
        {
          "name": "Neuromuscular Electrical Stimulation (NMES)",
          "type": "DEVICE"
        },
        {
          "name": "Noxious Electrical Stimulation (NXES)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "University of New England",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-10-19",
      "completion_date": "2019-05-28",
      "has_results": false,
      "last_update_posted_date": "2022-03-15",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05280522"
    },
    {
      "nct_id": "NCT02446262",
      "title": "Neural and Psychological Mechanisms of Pain Perception",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Normal Physiology",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Instructions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Thermal Pain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo instructions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 550,
      "start_date": "2015-06-11",
      "completion_date": "2027-02-20",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-30T23:33:26.517Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02446262"
    }
  ]
}