{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+perception",
    "query": {
      "intervention": "pain perception"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 267,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+perception&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T16:54:46.306Z",
  "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": "NCT00219531",
      "title": "Effect of Menstrual Cycle on Central Nervous System (CNS) Processing of Gut Stimuli in Irritable Bowel Syndrome (IBS) and Control",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "perception of rectal balloon distention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "1999-03",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00219531"
    },
    {
      "nct_id": "NCT01740193",
      "title": "Comparison of Two Different Pain Management Techniques in Pediatric Patients Undergoing a Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Inguinal Hernia"
      ],
      "interventions": [
        {
          "name": "TAP Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ilioinguinal/iliohypogastric blockade",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "12 Months to 10 Years"
      },
      "enrollment_count": 59,
      "start_date": "2012-08",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01740193"
    },
    {
      "nct_id": "NCT05458037",
      "title": "RCT of Pain Perception With Fast and Slow Tenaculum Application",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Acute",
        "Pain, Procedural"
      ],
      "interventions": [
        {
          "name": "Speed of tenaculum application",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "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": 150,
      "start_date": "2020-09-29",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05458037"
    },
    {
      "nct_id": "NCT07502742",
      "title": "Pain in Aging Former Athletes, Master's Athletes, and Nonathletes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Pain Management",
        "Athlete",
        "Exercise Training",
        "Sports Medicine",
        "Strength Training Effects",
        "Aerobic Exercise",
        "Strength Training",
        "Aging",
        "Quality of Life",
        "Sports"
      ],
      "interventions": [
        {
          "name": "Moderate-Intensity Strength Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Moderate-Intensity Aerobic Exercise Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marquette University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-03-02",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07502742"
    },
    {
      "nct_id": "NCT03687970",
      "title": "A New Method for Identifying Sensory Changes in Painful Chemotherapy-induced Peripheral Neuropathy (CIPN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chemotherapy-induced Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "Brief Pain Inventory",
          "type": "OTHER"
        },
        {
          "name": "Hospital Anxiety and Depression Scale",
          "type": "OTHER"
        },
        {
          "name": "Neuropathic Pain Symptom Inventory",
          "type": "OTHER"
        },
        {
          "name": "Diode Laser fiber type Selective Stimulator",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative sensory testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Conditioned pain modulation efficiency",
          "type": "PROCEDURE"
        },
        {
          "name": "Spontaneous pain at baseline on 0-10 Numerical Rating Scale (NRS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2018-09-17",
      "completion_date": "2019-09-17",
      "has_results": true,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03687970"
    },
    {
      "nct_id": "NCT03939949",
      "title": "Mindfully Attending to Pain Sensations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "High Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2018-04-20",
      "completion_date": "2021-01-29",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Cambridge, Massachusetts • Stoneham, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        },
        {
          "city": "Stoneham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03939949"
    },
    {
      "nct_id": "NCT00903643",
      "title": "Sensory Processing in Subjects With Painful Bladder Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Painful Bladder Syndrome"
      ],
      "interventions": [
        {
          "name": "Physical examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 34,
      "start_date": "2008-05",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-22",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00903643"
    },
    {
      "nct_id": "NCT03895476",
      "title": "To Measure Pain Perception Following De-Epithelized Free Gingival Graft Harvesting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingival Recession",
        "Palate; Wound"
      ],
      "interventions": [
        {
          "name": "palatal wound will be cover with collagen and sutures",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "palatal wound covered with platelet rich fibrin",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "palatal wound covered with a collagen sponge and cyanoacrylate",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "palatal wound covered with a stent",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 72,
      "start_date": "2020-06-08",
      "completion_date": "2023-02-27",
      "has_results": true,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03895476"
    },
    {
      "nct_id": "NCT06986122",
      "title": "Virtual Contexts for Affective Modulation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain Control",
        "Anxiety",
        "Memory"
      ],
      "interventions": [
        {
          "name": "Pain Threat Manipulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Controllability Manipulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Trustees of Dartmouth College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-10-28",
      "completion_date": "2029-06-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 1,
      "location_summary": "Hanover, New Hampshire",
      "locations": [
        {
          "city": "Hanover",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06986122"
    },
    {
      "nct_id": "NCT04099004",
      "title": "Neural Correlates of Knee Sensorimotor Control in Patients With Patellofemoral Pain Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain Syndrome",
        "Patellofemoral Pain"
      ],
      "interventions": [
        {
          "name": "Neural Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "7 Years to 40 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2017-11-16",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-10-03T16:54:46.306Z",
      "location_count": 2,
      "location_summary": "Flowery Branch, Georgia • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Flowery Branch",
          "state": "Georgia"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04099004"
    }
  ]
}