{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+assessment+questionnaire&page=4",
    "query": {
      "intervention": "Pain assessment questionnaire",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 362,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+assessment+questionnaire&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+assessment+questionnaire&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T01:41:41.442Z",
  "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": "NCT01302730",
      "title": "Ankylosing Spondylitis and Spondyloarthritis Evaluation Tool Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankylosing Spondylitis",
        "Spondylarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 490,
      "start_date": "2011-04",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302730"
    },
    {
      "nct_id": "NCT05333770",
      "title": "Repetitive Transcranial Magnetic Stimulation to Promote Regeneration in Persons With SCI",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "High-frequency repetitive transcranial magnetic stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kessler Foundation",
      "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": 20,
      "start_date": "2022-08-20",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-10-14",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "West Orange, New Jersey",
      "locations": [
        {
          "city": "West Orange",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05333770"
    },
    {
      "nct_id": "NCT03444116",
      "title": "Long-Term Outcomes of Femoral Derotation Osteotomy for Individuals With Cerebral Palsy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cerebral Palsy",
        "Femoral Derotation Osteotomy",
        "Outcomes"
      ],
      "interventions": [
        {
          "name": "Motion Analysis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "sterEOS Imaging of Lower Extremities",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Surveys",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Gillette Children's Specialty Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2017-09-12",
      "completion_date": "2019-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-02-10",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03444116"
    },
    {
      "nct_id": "NCT02349217",
      "title": "Mindfulness Based Couples Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Based Relationship Enhancement (MBRE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Help Materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurocognitive Tests",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cortisol Tests",
          "type": "PROCEDURE"
        },
        {
          "name": "Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2015-01-23",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-24",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02349217"
    },
    {
      "nct_id": "NCT05153265",
      "title": "The CIA Score: a Learner's Tool",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2021-11-23",
      "completion_date": "2021-12-23",
      "has_results": false,
      "last_update_posted_date": "2022-03-16",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05153265"
    },
    {
      "nct_id": "NCT01789983",
      "title": "Feasibility of an Evidence-based Walking Program in Cancer Pts 60+ During Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Colon Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Walk With Ease Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Collect Blood, GA and Other Survey Tools",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2012-10",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01789983"
    },
    {
      "nct_id": "NCT05330117",
      "title": "Nerve Stimulation Using a TENS to Provide Pain Relief During Surgery for Overactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Incontinence",
        "Overactive Bladder",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "TENS",
          "type": "PROCEDURE"
        },
        {
          "name": "Control TENS",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-12-14",
      "completion_date": "2022-03-03",
      "has_results": false,
      "last_update_posted_date": "2022-04-15",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05330117"
    },
    {
      "nct_id": "NCT01507675",
      "title": "Burden, Belonging, and Response to Pain in Veterans",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Suicide"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Eastern Colorado Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2011-10",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01507675"
    },
    {
      "nct_id": "NCT05866081",
      "title": "Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stone, Kidney",
        "Stone Ureter"
      ],
      "interventions": [
        {
          "name": "Standard of care stent placement",
          "type": "DEVICE"
        },
        {
          "name": "No stent placement",
          "type": "OTHER"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 792,
      "start_date": "2023-06-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 16,
      "location_summary": "Tucson, Arizona • Gainesville, Florida • Indianapolis, Indiana + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Brighton",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05866081"
    },
    {
      "nct_id": "NCT01875406",
      "title": "a Diagnostic SIJ Injection Following a Composite of 3 Diagnostic Tests and a Pain Referral Diagram",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sacroiliac Injection"
      ],
      "interventions": [
        {
          "name": "diagnostic exercises",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2013-06",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-13",
      "last_synced_at": "2026-10-07T01:41:41.442Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01875406"
    }
  ]
}