{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Chronic+Disease&page=2",
    "query": {
      "condition": "Pain, Chronic Disease",
      "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=Pain%2C+Chronic+Disease&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:58:49.193Z",
  "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": "NCT02687360",
      "title": "Imaging the Effects of rTMS on Chronic Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Active rTMS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Sham rTMS treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 7,
      "start_date": "2019-09-01",
      "completion_date": "2022-08-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02687360"
    },
    {
      "nct_id": "NCT03484429",
      "title": "Postoperative Peripheral Nerve Stimulation for Management of Post-amputation Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phantom Limb Pain",
        "Postoperative Pain",
        "Neuroma",
        "Acute Pain",
        "Chronic Pain",
        "Residual Limbs",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Peripheral nerve stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Standard Medical Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Hunter Holmes Mcguire Veteran Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2017-12-01",
      "completion_date": "2021-04-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03484429"
    },
    {
      "nct_id": "NCT02602535",
      "title": "Mindfulness-Oriented Recovery Enhancement For Chronic Pain and Prescription Opioid Misuse in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Use Disorders"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Oriented Recovery Enhancement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 250,
      "start_date": "2016-01",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2025-04-22",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02602535"
    },
    {
      "nct_id": "NCT05569486",
      "title": "Elucidating the Central Mechanisms of Action for Green Light Therapy in Managing Chronic Pain",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Green Light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2026-12-01",
      "completion_date": "2029-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05569486"
    },
    {
      "nct_id": "NCT03789552",
      "title": "Outcome Research to Confirm the Anti-anginal Effect of T89 in Patients With Stable Angina",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Stable Angina Pectoris"
      ],
      "interventions": [
        {
          "name": "T89 capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tasly Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 765,
      "start_date": "2019-08-01",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Naples, Florida",
      "locations": [
        {
          "city": "Naples",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03789552"
    },
    {
      "nct_id": "NCT04734847",
      "title": "Motor Cortical Neuromodulation in Women With Interstitial Cystitis/Bladder Pain Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Repetitive Transcranial Magnetic Stimulation (rTMS)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Repetitive Transcranial Magnetic Stimulation (Sham-rTMS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "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": 50,
      "start_date": "2021-06-01",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04734847"
    },
    {
      "nct_id": "NCT03143517",
      "title": "Fecal Calprotectin Collection Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases",
        "Irritable Bowel Syndrome",
        "Ulcerative Colitis",
        "Crohn Disease",
        "Indeterminate Colitis",
        "Chronic Diarrhea",
        "Celiac Disease",
        "Diverticulitis",
        "Abdominal Pain",
        "Distension",
        "Weight Loss",
        "Food Intolerance",
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Stool collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "DiaSorin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2017-04-19",
      "completion_date": "2018-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-02-07",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 13,
      "location_summary": "Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143517"
    },
    {
      "nct_id": "NCT07350148",
      "title": "Opioid Adherence and Support Through Innovative Texting Strategies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder (OUD)",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Mindfulness text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-10-13",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07350148"
    },
    {
      "nct_id": "NCT02192398",
      "title": "Effect of Guanfacine on the Reversal of Opioid-induced Hyperalgesia (OIH)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Guanfacine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 8,
      "start_date": "2014-09",
      "completion_date": "2022-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02192398"
    },
    {
      "nct_id": "NCT05083338",
      "title": "Psychological, Psychophysical and Epigenetic Determinants of Chronic Pain After Cytoreductive - Hyperthermic Intraoperative Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Appendix Carcinoma",
        "Carcinomatosis",
        "Colorectal Carcinoma",
        "Gastric Carcinoma",
        "Malignant Peritoneal Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 24,
      "start_date": "2021-08-10",
      "completion_date": "2024-02-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-05-22T06:58:49.193Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05083338"
    }
  ]
}