{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VAS&page=6",
    "query": {
      "intervention": "VAS",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 233,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VAS&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=VAS&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T10:10:21.185Z",
  "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": "NCT05759013",
      "title": "Pivotal Evaluation of Abdominal Neuromuscular Electrical Stimulation (VentFree) for Weaning From Mechanical Ventilation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiration, Artificial",
        "Ventilators, Mechanical"
      ],
      "interventions": [
        {
          "name": "Breath synchronized abdominal FES",
          "type": "DEVICE"
        },
        {
          "name": "Sham breath synchronized abdominal FES",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Liberate Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2024-02-15",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 15,
      "location_summary": "Long Beach, California • Jacksonville, Florida • Hines, Illinois + 9 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05759013"
    },
    {
      "nct_id": "NCT06842771",
      "title": "Pain with Differing Intraperitoneal Washes At the End of Laparoscopic Gynecologic Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laparoscopic Adnexal Surgery"
      ],
      "interventions": [
        {
          "name": "Normal Saline (0.9% NaCl)",
          "type": "OTHER"
        },
        {
          "name": "Marcaine hydrochloride without epinephrine 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Tennessee",
      "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": 96,
      "start_date": "2025-03",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06842771"
    },
    {
      "nct_id": "NCT04996628",
      "title": "Pancreatic Quantitative Sensory Testing (P-QST) to Predict Treatment Response for Pain in Chronic Pancreatitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pancreatitis",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Quantitative Sensory Test 1",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quantitative Sensory Test 2",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quantitative Sensory Test 3",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2022-01-04",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 3,
      "location_summary": "Indianapolis, Indiana • Baltimore, Maryland • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04996628"
    },
    {
      "nct_id": "NCT01755065",
      "title": "Clinical Meaning of Visual Analog Scales(VAS) for Teenage Pediatric Patients Undergoing Laparoscopic Surgical Procedures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 206,
      "start_date": "2012-12",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01755065"
    },
    {
      "nct_id": "NCT05329441",
      "title": "Inflammatory and Glutamatergic Mechanisms of Sustained Threat in Adolescents With Depression",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression in Adolescence"
      ],
      "interventions": [
        {
          "name": "Trier Social Stress Test (TSST)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "14 Years to 21 Years"
      },
      "enrollment_count": 160,
      "start_date": "2023-07-06",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05329441"
    },
    {
      "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": "2026-10-30T10:10:21.185Z",
      "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": "NCT05738213",
      "title": "Puberty, Sex Hormones and Pain Sensitivity in Adolescents With Migraine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Thermal stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pressure stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pain ratings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pressure pain thresholds (PPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conditioned pain modulation (CPM) response",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PedMIDAS (Pediatric Migraine Disability Assessment)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hormonal assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pubertal status",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "11 Years to 15 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-01-10",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05738213"
    },
    {
      "nct_id": "NCT05096780",
      "title": "Characterizing the Pharmacokinetic Profile of a Novel Encapsulated Caffeine Beverage and Associated Mood and Physiological Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alertness"
      ],
      "interventions": [
        {
          "name": "Flavored caffeinated beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 75,
      "start_date": "2021-10-08",
      "completion_date": "2022-02-06",
      "has_results": false,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Dilworth, Minnesota",
      "locations": [
        {
          "city": "Dilworth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096780"
    },
    {
      "nct_id": "NCT04888858",
      "title": "Effect of Epidural Analgesia During Labor on Force of Maternal Push",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Labor Pain",
        "Analgesia",
        "Maternal; Procedure"
      ],
      "interventions": [
        {
          "name": "Epidural analgesia (0.125% bupivacaine/2mcg fentanyl solution)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2020-11-02",
      "completion_date": "2022-07-02",
      "has_results": false,
      "last_update_posted_date": "2023-09-25",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04888858"
    },
    {
      "nct_id": "NCT06559215",
      "title": "Evaluation of Pain Management After Surgery When Using Exparel in the Pediatric Population",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Medial Patellofemoral Ligament (MPFL) Reconstruction",
        "Sports Injuries in Children",
        "Analgesia",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Scottish Rite Hospital for Children",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-12-01",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-30T10:10:21.185Z",
      "location_count": 1,
      "location_summary": "Frisco, Texas",
      "locations": [
        {
          "city": "Frisco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06559215"
    }
  ]
}