{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Complex+Regional+Pain+Syndromes",
    "query": {
      "condition": "Complex Regional Pain Syndromes"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 91,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Complex+Regional+Pain+Syndromes&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:54:45.249Z",
  "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": "NCT05593237",
      "title": "Transcranial Magnetic Stimulation for Chronic Neuropathic Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Neuropathic Pain",
        "Post-Stroke Pain",
        "Trigeminal Neuralgia",
        "Nerve Injury",
        "Spinal Cord Injuries",
        "Pain, Postoperative",
        "Complex Regional Pain Syndromes",
        "Post-herpetic Neuralgia",
        "Nerve Root Avulsion"
      ],
      "interventions": [
        {
          "name": "High Frequency rTMS",
          "type": "DEVICE"
        },
        {
          "name": "Low Frequency rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-04-25",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593237"
    },
    {
      "nct_id": "NCT05751096",
      "title": "Low-Intensity Focused Ultrasound For Insular Neuromodulation in Chronic Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia",
        "Complex Regional Pain Syndromes",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Low-intensity Focused Ultrasound (LIFU)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Low-intensity focused ultrasound (LIFU)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Carilion Clinic",
      "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": 27,
      "start_date": "2023-07-15",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05751096"
    },
    {
      "nct_id": "NCT07210515",
      "title": "Evaluation of IV AMBTX-01 (Neridronate) for Treatment of CRPS Type 1 (CRPS-RISE)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome Type I"
      ],
      "interventions": [
        {
          "name": "Neridronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ambros Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "2026-04-14",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Tustin, California + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tustin",
          "state": "California"
        },
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07210515"
    },
    {
      "nct_id": "NCT00579085",
      "title": "Double Blind Placebo Controlled Study of Outpatient Intravenous Ketamine for the Treatment of CRPS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "IV NSS",
          "type": "OTHER"
        },
        {
          "name": "Normal Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Drexel University College of Medicine",
      "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": 40,
      "start_date": "2006-09",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00579085"
    },
    {
      "nct_id": "NCT00904202",
      "title": "A Study Of Lidocaine Patch 5% Alone, Gabapentin Alone, And Lidocaine Patch 5% And Gabapentin In Combination For The Relief Of Pain In Patients With Diverse Peripheral Neuropathic Pain Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postherpetic Neuralgia",
        "Diabetic Neuropathy",
        "Complex Regional Pain Syndrome",
        "Carpal Tunnel Syndrome",
        "HIV Neuropathy",
        "Idiopathic Sensory Neuropathy",
        "Peripheral Neuropathy"
      ],
      "interventions": [
        {
          "name": "Placebo Capsules + Placebo Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsules + Lidoderm®",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin + Placebo",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin + Lidoderm®",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin 300 mg capsules 1800 mg/day + placebo patch",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin 1800 mg/day + Lidoderm patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2003-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Hueytown, Alabama • Phoenix, Arizona + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hueytown",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00904202"
    },
    {
      "nct_id": "NCT05998369",
      "title": "Empowered Relief for Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Musculoskeletal Pain",
        "Fibromyalgia",
        "Neuropathic Pain",
        "Complex Regional Pain Syndromes",
        "Abdominal Pain"
      ],
      "interventions": [
        {
          "name": "Empowered Relief for Youth",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 110,
      "start_date": "2023-08-09",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05998369"
    },
    {
      "nct_id": "NCT00067743",
      "title": "A Study of CC-5013 in the Treatment of Complex Regional Pain Syndrome (CRPS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome (RSD)"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2003-08",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-01-03",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Baltimore, Maryland • Chapel Hill, North Carolina + 3 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00067743"
    },
    {
      "nct_id": "NCT04066933",
      "title": "Forms of Cervical Brachial Syndrome Treated With Plasma Concentrate Enriched for A2M",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndromes",
        "Neuralgia",
        "Thoracic Outlet Neurologic Syndrome"
      ],
      "interventions": [
        {
          "name": "A2M enriched plasma",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Neurological Associates of West Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "23 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "23 Years to 77 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-09-24",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04066933"
    },
    {
      "nct_id": "NCT03838107",
      "title": "Markers of Trajectory in Pediatric CRPS",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndromes"
      ],
      "interventions": [
        {
          "name": "observation and measure of trajectory of recovery in CRPS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 126,
      "start_date": "2018-08-27",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03838107"
    },
    {
      "nct_id": "NCT02402530",
      "title": "Efficacy and Safety of Intravenous Neridronic Acid in CRPS-I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome, Type I"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Neridronic acid 62.5 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grünenthal GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 459,
      "start_date": "2015-04",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2018-05-09",
      "last_synced_at": "2026-05-21T22:54:45.249Z",
      "location_count": 49,
      "location_summary": "Foley, Alabama • Scottsdale, Arizona • Tucson, Arizona + 42 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02402530"
    }
  ]
}