{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observed+levels+of+pain",
    "query": {
      "intervention": "observed levels of pain"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observed+levels+of+pain&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T23:11:42.539Z",
  "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": "NCT04074226",
      "title": "ESP vs QL for Total Abdominal Hysterectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": 17,
      "start_date": "2021-03-20",
      "completion_date": "2023-03-21",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074226"
    },
    {
      "nct_id": "NCT04688710",
      "title": "Use of Audio Recordings of Self-Hypnosis and Meditation for Fatigue Management in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Self-Hypnosis (HYP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness Meditation (MM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 333,
      "start_date": "2021-04-30",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04688710"
    },
    {
      "nct_id": "NCT06456268",
      "title": "VibraCool Device to Reduce Pain and Opioid Use After Anterior Cruciate Ligament Reconstruction (ACLR)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ACL",
        "Opioid Use",
        "Cryotherapy Effect",
        "Vibration; Exposure",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "VibraCool mechanical stimulation and neuromodulatory therapeutic device",
          "type": "DEVICE"
        },
        {
          "name": "Cryocompression (Game Ready, Bregs) device",
          "type": "DEVICE"
        },
        {
          "name": "Standard ice packs",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 130,
      "start_date": "2026-06",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06456268"
    },
    {
      "nct_id": "NCT00142064",
      "title": "A Randomized Control Trial Comparing Single vs. Multiple Application of Lidocaine Analgesia Prior to Urethral Catheterization Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urinary Tract Infection",
        "Kidney Diseases",
        "Ureteral Diseases",
        "Ureteral Obstruction"
      ],
      "interventions": [
        {
          "name": "observed levels of pain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "2 Months to 7 Years"
      },
      "enrollment_count": 200,
      "start_date": "2005-08",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2007-04-18",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00142064"
    },
    {
      "nct_id": "NCT03442465",
      "title": "Assessment of Healing and Function After Reconstruction Surgery for Bone Sarcomas",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Sarcoma",
        "Osteosarcoma",
        "Chondrosarcoma",
        "Ewing's Sarcoma",
        "Osseous Sarcoma",
        "Bone Neoplasm"
      ],
      "interventions": [
        {
          "name": "Toronto Extremity Salvage Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Musculoskeletal Tumor Society Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Timed Get Up and Go Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Orthogonal Radiographs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Weight Bearing for lower extremities only",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Range of Motion",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2018-02-14",
      "completion_date": "2027-02-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Harrison, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Uniondale",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442465"
    },
    {
      "nct_id": "NCT06737380",
      "title": "UC-MSC Cell Therapy Study for Systemic Lupus Erythematosus (SLE) Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SLE",
        "Lupus",
        "Systemic Lupus Erthematosus",
        "Systemic Lupus Erythematosus",
        "Systemic Lupus Erythematosus (SLE)"
      ],
      "interventions": [
        {
          "name": "Physical examination",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "SF-36 questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Clinical laboratory evaluations - Serology",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Clinical laboratory evaluations - Biochemistry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Clinical laboratory evaluations - Hematology",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pregnancy Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urinalysis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "SLE activity evaluation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "SLE biomarker profiling",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cytokines and chemokine profiling",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "single dose of UC-MSCs",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PROMIS instruments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "LiveKidney.Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-01-07",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06737380"
    },
    {
      "nct_id": "NCT05450679",
      "title": "Cervical Paraspinal Muscle Twitching and Cervical Facet Radiofrequency Ablation Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Facet Joint Pain",
        "Chronic Pain",
        "Neck Pain"
      ],
      "interventions": [
        {
          "name": "Cervical Radiofrequency Ablation (RFA)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2022-09-13",
      "completion_date": "2026-05-21",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05450679"
    },
    {
      "nct_id": "NCT02077413",
      "title": "Muscle Injury Prevention & Rehabilitation in Military Personnel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Injury"
      ],
      "interventions": [
        {
          "name": "Healthy Muscle Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Stretch-Contract Pre-rehabilitation Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Stretch-Contract Control Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Muscle Atrophy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 41,
      "start_date": "2014-03",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2016-11-17",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02077413"
    },
    {
      "nct_id": "NCT03313115",
      "title": "Sleep/Wake Protocol Implementation to Improve Sleep Quality in the ICU",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Deprivation",
        "Delirium"
      ],
      "interventions": [
        {
          "name": "Sleep/Wake Protocol",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 685,
      "start_date": "2017-10-11",
      "completion_date": "2018-03-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-25",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03313115"
    },
    {
      "nct_id": "NCT02330055",
      "title": "Determination of the Predictors of Nocturnal Desaturation in Postpartum Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disordered Breathing",
        "Nocturnal Oxygen Desaturation",
        "Upper Airway Edema"
      ],
      "interventions": [
        {
          "name": "Forty-five degrees elevated upper body position",
          "type": "PROCEDURE"
        },
        {
          "name": "non-elevated upper body position",
          "type": "PROCEDURE"
        },
        {
          "name": "Noninvasive wrist pulse oximeter (WristOx Model 3150)",
          "type": "DEVICE"
        },
        {
          "name": "Stop-Bang questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Epworth Sleepiness Scale",
          "type": "OTHER"
        },
        {
          "name": "P-SAP Score",
          "type": "OTHER"
        },
        {
          "name": "self-reported pain",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2014-05",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2018-07-06",
      "last_synced_at": "2026-09-20T23:11:42.539Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330055"
    }
  ]
}