{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Pain&page=2",
    "query": {
      "condition": "Persistent Pain",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Pain&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T14:00:40.866Z",
  "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": "NCT02848989",
      "title": "Qigong For PPSP In Breast Cancer Pain In Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Surgery Pain",
        "Breast Cancer",
        "Stage 0-III Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Qigong Mind-Body Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "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": 21,
      "start_date": "2017-04-04",
      "completion_date": "2023-02-03",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02848989"
    },
    {
      "nct_id": "NCT03408717",
      "title": "Evaluation And Risk Assessment For Persistent Postsurgical Pain After Breast Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chronic Pain",
        "Acute Pain",
        "Depression, Anxiety"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Mechanical Temporal Summation assessment",
          "type": "OTHER"
        },
        {
          "name": "Pain threshold assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "KK Women's and Children's Hospital",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 80 Years · Female only"
      },
      "enrollment_count": 220,
      "start_date": "2018-01-03",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03408717"
    },
    {
      "nct_id": "NCT00971074",
      "title": "Study of Viscosupplementation for the Treatment of Knee Pain After Menisectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthralgia"
      ],
      "interventions": [
        {
          "name": "Hylan G-F 20",
          "type": "DRUG"
        },
        {
          "name": "Sham Injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Grant Jones",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2009-12",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2021-02-25",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00971074"
    },
    {
      "nct_id": "NCT02054962",
      "title": "Persistent Pain Among Elderly Experiencing Motor Vehicle Collision",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Persistent Pain After Injury",
        "Functional Decline After Injury"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 211,
      "start_date": "2012-06",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Grand Rapids, Michigan",
      "locations": [
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02054962"
    },
    {
      "nct_id": "NCT01345188",
      "title": "Ranolazine in Ischemic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiomyopathy",
        "Chest Pain",
        "Dyspnea"
      ],
      "interventions": [
        {
          "name": "Ranexa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Midwest Cardiovascular Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2011-04",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Davenport, Iowa",
      "locations": [
        {
          "city": "Davenport",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01345188"
    },
    {
      "nct_id": "NCT01041079",
      "title": "Chronic Marginal Ulcers After Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Marginal Ulcer",
        "Chronic Ulcer Disease",
        "Persistent Ulcer Disease",
        "Recurrent Ulcer Disease",
        "Late Morbidity After Gastric Bypass"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2008-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-01-01",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01041079"
    },
    {
      "nct_id": "NCT01986205",
      "title": "Hyperbaric Oxygen for Traumatic and Non-traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Injury, Chronic"
      ],
      "interventions": [
        {
          "name": "Hyperbaric Oxygen",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Minimal pressure air",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Lindell Weaver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 49,
      "start_date": "2017-09-06",
      "completion_date": "2022-05-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 2,
      "location_summary": "Murray, Utah • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01986205"
    },
    {
      "nct_id": "NCT02416973",
      "title": "Study of PEMF (Pulsed Electromagnetic Field) Therapy in the Treatment of Persistent Post-Operative Pain Following Lumbar Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Surgery"
      ],
      "interventions": [
        {
          "name": "Provant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Regenesis Biomedical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2015-03",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Boise, Idaho + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Rockford",
          "state": "Illinois"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02416973"
    },
    {
      "nct_id": "NCT04973696",
      "title": "Toolkit for Optimal Recovery After Orthopedic Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Orthopedic Injury"
      ],
      "interventions": [
        {
          "name": "Toolkit for Optimal Recovery after Orthopedic Injury",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minimally Enhanced Usual Care (MEUC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 195,
      "start_date": "2021-09-21",
      "completion_date": "2023-08-15",
      "has_results": true,
      "last_update_posted_date": "2025-06-27",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04973696"
    },
    {
      "nct_id": "NCT02437188",
      "title": "Preventing Persistent Post-Surgical Pain and Opioid Use In At-Risk Veterans: Effect of ACT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Persistent Post-surgical Pain",
        "Acceptance and Commitment Therapy",
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "ACT (Acceptance and Commitment Therapy)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Barbara A Rakel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2015-02",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2019-08-01",
      "last_synced_at": "2026-09-27T14:00:40.866Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437188"
    }
  ]
}