{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+perception&page=11",
    "query": {
      "intervention": "pain perception",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 269,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+perception&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+perception&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T18:41:57.081Z",
  "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": "NCT04199780",
      "title": "Effects of tDCS Combined With CBI on Postsurgical Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty (Postoperative Pain)",
        "Total Hip Arthroplasty (Postoperative Pain)"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Cognitive-Behavioral (CB) intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 106,
      "start_date": "2021-01-11",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199780"
    },
    {
      "nct_id": "NCT04428164",
      "title": "Enhancing Patient Experience of Pain and Sleep Through Non-Pharmacological Strategies",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Comfort"
      ],
      "interventions": [
        {
          "name": "The Richards-Campbell Sleep Questionnaire (R-CSQ)",
          "type": "OTHER"
        },
        {
          "name": "Revised American Pain Society Outcome Questionnaire (APS-POQ-R)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2022-02-15",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04428164"
    },
    {
      "nct_id": "NCT00621374",
      "title": "Management of Pain in Persons With Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy (CBT) +Hypnosis (HYP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Behavioral Therapy (CBT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Hypnosis Training (HYP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education Control (CONT)",
          "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": 22,
      "start_date": "2008-02",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00621374"
    },
    {
      "nct_id": "NCT07022769",
      "title": "Testing an AI Large Language Model Tool for Cognitive Debiasing in Musculoskeletal Care",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Any Chronic, Non-traumatic Orthopedic Condition"
      ],
      "interventions": [
        {
          "name": "LLM-facilitated cognitive debiasing aid",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "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": "2025-06-23",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07022769"
    },
    {
      "nct_id": "NCT01619579",
      "title": "Investigation of AVACEN Thermal Exchange System for Fibromyalgia Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "AVACEN Thermal Exchange System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Avacen, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 22,
      "start_date": "2011-06",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01619579"
    },
    {
      "nct_id": "NCT07553273",
      "title": "Vibratory Anesthesia on Pain Following Corticosteroid Injections",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bilateral Arthritis of Wrist",
        "Tendinopathy",
        "Arthropathy",
        "Compression Neuropathy",
        "Bilateral Arthritis of Hands"
      ],
      "interventions": [
        {
          "name": "Digivibe Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2026-01-14",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07553273"
    },
    {
      "nct_id": "NCT00351819",
      "title": "Effects of Testosterone Replacement on Pain Sensitivity and Pain Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "AndroGel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 84,
      "start_date": "2006-04",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-28",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00351819"
    },
    {
      "nct_id": "NCT04923477",
      "title": "Therapeutic Exercise for Rotator Cuff Tendinopathy / Subacromial Pain Syndrome - Outcomes and Mechanisms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rotator Cuff Tendinosis",
        "Rotator Cuff Tendinitis",
        "Rotator Cuff Injuries",
        "Subacromial Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Therapeutic Exercise for Rotator Cuff Tendinopathy / Subacromial Pain Syndrome",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-06-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04923477"
    },
    {
      "nct_id": "NCT02823002",
      "title": "Pain Perception: Lidocaine Rate/Temp/Buffer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Slow, Room Temperature Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Rapid, Room Temperature Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Slow, Warm Temperature Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Rapid, Warm Temperature Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Buffered Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-Buffered Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Buffer",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 26,
      "start_date": "2016-06",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2024-03-15",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02823002"
    },
    {
      "nct_id": "NCT03022786",
      "title": "Improving Value of Care for Patients With Severe Stasis Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stasis Dermatitis"
      ],
      "interventions": [
        {
          "name": "Order set",
          "type": "OTHER"
        },
        {
          "name": "Motivational Interviewing training for home health aides",
          "type": "OTHER"
        },
        {
          "name": "Tools & Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-28",
      "last_synced_at": "2026-10-10T18:41:57.081Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03022786"
    }
  ]
}