{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+response+testing&page=4",
    "query": {
      "intervention": "Pain response testing",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 93,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+response+testing&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pain+response+testing&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T22:22:08.292Z",
  "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": "NCT02026076",
      "title": "Manual Unloading of the Lumbar Spine: Can it Predict Responders to Mechanical Traction?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "mechanical lumbar traction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-05",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2014-01-01",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02026076"
    },
    {
      "nct_id": "NCT05912400",
      "title": "Evaluating Mitochondrial Dysfunction in Patients With Neurofibromatosis Type 1",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurofibromatosis 1"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "FACIT-F and Pain Scales",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2023-07-26",
      "completion_date": "2024-08-23",
      "has_results": true,
      "last_update_posted_date": "2025-05-08",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05912400"
    },
    {
      "nct_id": "NCT07504601",
      "title": "Investigating the Analgesic Potential of (2R,6R)-HNK in Acute Pain in Healthy Volunteers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-Hydroxynorketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 92,
      "start_date": "2026-10-28",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-23",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07504601"
    },
    {
      "nct_id": "NCT05390736",
      "title": "Evaluating the Cost Effectiveness of STEADI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Accidental Fall"
      ],
      "interventions": [
        {
          "name": "Gait and balance assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medication review",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Comorbidity review",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fall history",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessment of feet/footwear",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessment of visual acuity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home safety risk assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vitamin D Deficiency",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Opinion Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 780,
      "start_date": "2020-07-29",
      "completion_date": "2023-09-18",
      "has_results": false,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05390736"
    },
    {
      "nct_id": "NCT05142267",
      "title": "Stress and Opioid Misuse Risk: The Role of Endogenous Opioid and Endocannabinoid Mechanisms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Back Pain",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 101,
      "start_date": "2022-03-02",
      "completion_date": "2026-04-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05142267"
    },
    {
      "nct_id": "NCT01210066",
      "title": "Pain, Opioids and Pro-Inflammatory Immune Responses",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pro-inflammatory Activity",
        "Immunologic Activity Alteration"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Fentanyl plus cold pressor test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "21 Years to 40 Years"
      },
      "enrollment_count": 21,
      "start_date": "2010-07",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2016-12-29",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01210066"
    },
    {
      "nct_id": "NCT03769675",
      "title": "Quantitative Assessment of Painful Diabetic Peripheral Neuropathy After High Frequency Spinal Cord Stimulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Painful Diabetic Neuropathy"
      ],
      "interventions": [
        {
          "name": "High Frequency Spinal Cord Stimulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-11-20",
      "completion_date": "2022-04-15",
      "has_results": true,
      "last_update_posted_date": "2023-04-11",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03769675"
    },
    {
      "nct_id": "NCT07029165",
      "title": "Kidney Blood Flow During Exercise in Older African American Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Acute exercise",
          "type": "OTHER"
        },
        {
          "name": "Cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Mental stress test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Boston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "55 Years to 79 Years"
      },
      "enrollment_count": 12,
      "start_date": "2024-12-04",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07029165"
    },
    {
      "nct_id": "NCT05926024",
      "title": "Long-Term Follow-Up in Women With Early Breast Cancer Three Years of More Post Primary Treatment",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise Recall Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Behavior Questionnaire (HBQ)30 Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment of Cancer Therapy-General (FACT-G) Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PROMIS Cognitive Function (Short Form 8a)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes Functional Assessment of Cancer-Gynecology Oncology Group-Neurotoxicity (FACT/GOG-NTX-12)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PROMIS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes FACT-Endocrine Symptoms",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes Penn Arthralgia Aging Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PRO-CTCAE (patient-reported CTCAE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "p16 tumor suppressor gene",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 253,
      "start_date": "2023-01-06",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05926024"
    },
    {
      "nct_id": "NCT05783362",
      "title": "Pain Modulation Effectiveness (PME)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy People"
      ],
      "interventions": [
        {
          "name": "Conditioned Pain Modulation (CPM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-04-01",
      "completion_date": "2023-08-25",
      "has_results": false,
      "last_update_posted_date": "2023-08-31",
      "last_synced_at": "2026-10-24T22:22:08.292Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05783362"
    }
  ]
}