{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+questionnaires",
    "query": {
      "intervention": "Pain questionnaires"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 497,
    "total_pages": 50,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+questionnaires&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T10:49:03.628Z",
  "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": "NCT01278225",
      "title": "Effects of Neurofeedback on Neural Function, Neuromodulation, and Chemotherapy-Induced Neuropathic Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "EEG biofeedback (BF) Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wait-List Control (WLC) Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Follow UP Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2011-02",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01278225"
    },
    {
      "nct_id": "NCT04575090",
      "title": "7 Tesla MRI Study in Patients With Statin Related Muscle Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Statin-related Muscle Pain",
        "Muscle Aches",
        "Muscle Weakness",
        "Muscle Cramp",
        "Muscle Stiffness"
      ],
      "interventions": [
        {
          "name": "Simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-03-05",
      "completion_date": "2021-06-23",
      "has_results": true,
      "last_update_posted_date": "2022-10-31",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04575090"
    },
    {
      "nct_id": "NCT03210376",
      "title": "Neuromuscular Blockade on Shoulder Pain of Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Malignant Neoplasms of Digestive Organs",
        "Malignant Neoplasms of Female Genital Organs",
        "Malignant Neoplasms of Male Genital Organs",
        "Malignant Neoplasms of Urinary Tract"
      ],
      "interventions": [
        {
          "name": "Deep Neuromuscular Blockade (NMB)",
          "type": "DRUG"
        },
        {
          "name": "Moderate Neuromuscular Blockade (NMB)",
          "type": "DRUG"
        },
        {
          "name": "Sugammadex",
          "type": "DRUG"
        },
        {
          "name": "Neostigmine",
          "type": "DRUG"
        },
        {
          "name": "Pain Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2017-11-17",
      "completion_date": "2020-10-22",
      "has_results": true,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03210376"
    },
    {
      "nct_id": "NCT03579446",
      "title": "Levorphanol as a Second Line Opioid in Reducing Pain in Patients With Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Hydrocodone",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Levorphanol",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Oxymorphone",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2018-11-29",
      "completion_date": "2023-06-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03579446"
    },
    {
      "nct_id": "NCT04239976",
      "title": "Scrambler Therapy for the Reduction of Chemotherapy-Induced Neuropathic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chemotherapy-Induced Peripheral Neuropathy",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "FitBit",
          "type": "DEVICE"
        },
        {
          "name": "Gait Assessment Test",
          "type": "OTHER"
        },
        {
          "name": "MC5-A Scrambler Therapy",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Sensory Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2019-04-04",
      "completion_date": "2022-03-18",
      "has_results": false,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239976"
    },
    {
      "nct_id": "NCT01652768",
      "title": "PRESENCE Project: An Early Palliative Care Intervention in Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Brain Tumors"
      ],
      "interventions": [
        {
          "name": "Research Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Palliative Care Team",
          "type": "OTHER"
        },
        {
          "name": "Educational Information Session for Patients and Caregivers",
          "type": "OTHER"
        },
        {
          "name": "Contact every 2 weeks",
          "type": "OTHER"
        },
        {
          "name": "Follow-up Surgical Visit Session",
          "type": "OTHER"
        },
        {
          "name": "Medical and/or Radiation Oncology Appointment Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2011-12",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-08-29",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01652768"
    },
    {
      "nct_id": "NCT04688554",
      "title": "Psychosocial, Behavioral, and Radiologic Changes Following Radiosurgery for Benign Neurologic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obsessive-Compulsive Disorder",
        "Pain, Intractable",
        "Depression"
      ],
      "interventions": [
        {
          "name": "fMRI and DTI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Disease-Specific Patient-Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral tests",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2020-08-25",
      "completion_date": "2024-02-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04688554"
    },
    {
      "nct_id": "NCT02476812",
      "title": "The Positive Piggy Bank - A Positive Activities Intervention for Improving Functional Status in Patients With Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Positive Piggy Bank",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2015-06",
      "completion_date": "2023-12",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02476812"
    },
    {
      "nct_id": "NCT02297412",
      "title": "Minocycline Hydrochloride in Reducing Chemotherapy-Induced Peripheral Neuropathy and Acute Pain in Patients With Breast Cancer Undergoing Treatment With Paclitaxel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Pain",
        "Breast Carcinoma",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "Minocycline Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Academic and Community Cancer Research United",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2014-11",
      "completion_date": "2016-07-08",
      "has_results": true,
      "last_update_posted_date": "2022-01-31",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 12,
      "location_summary": "Pismo Beach, California • Normal, Illinois • Urbana, Illinois + 9 more",
      "locations": [
        {
          "city": "Pismo Beach",
          "state": "California"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02297412"
    },
    {
      "nct_id": "NCT05578781",
      "title": "Music-based Treatments and Pain: Underlying Mechanisms and the Beneficial Effects of Music-Based Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low-back Pain"
      ],
      "interventions": [
        {
          "name": "Music Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Music Medicine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2023-01-26",
      "completion_date": "2024-11-14",
      "has_results": false,
      "last_update_posted_date": "2025-08-07",
      "last_synced_at": "2026-09-03T10:49:03.628Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05578781"
    }
  ]
}