{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Complex+Regional+Pain+Syndromes&page=4",
    "query": {
      "condition": "Complex Regional Pain Syndromes",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 95,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Complex+Regional+Pain+Syndromes&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Complex+Regional+Pain+Syndromes&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T05:10:56.011Z",
  "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": "NCT05477004",
      "title": "Observational Study of Ketamine Infusions for the Treatment of Chronic Pain",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theresa Lii",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2022-06-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05477004"
    },
    {
      "nct_id": "NCT06393101",
      "title": "The Effects and Mechanisms of a High CBD Cannabis Extract (BRC-002) for the Treatment of Pain and Health in Complex Regional Pain Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "BRC-002",
          "type": "DRUG"
        },
        {
          "name": "BRC-002 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 52,
      "start_date": "2024-06-01",
      "completion_date": "2029-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-07",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • San Diego, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06393101"
    },
    {
      "nct_id": "NCT06337526",
      "title": "Predicting Pain Exacerbations in Children With Complex Regional Pain Syndrome (CRPS)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndromes"
      ],
      "interventions": [
        {
          "name": "Apple Watch v8",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-06-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06337526"
    },
    {
      "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": "2026-10-05T05:10:56.011Z",
      "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": "NCT03612193",
      "title": "Role of the Gut Microbiome in Complex Regional Pain Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2018-12-19",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612193"
    },
    {
      "nct_id": "NCT05045625",
      "title": "Intraoperative Neuromonitoring Recording With a Novel SCS Paddle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Neuropathic Pain",
        "Failed Back Surgery Syndrome",
        "Complex Regional Pain Syndromes"
      ],
      "interventions": [
        {
          "name": "HD Study Electrode",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Albany Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 12,
      "start_date": "2020-01-10",
      "completion_date": "2021-03-20",
      "has_results": true,
      "last_update_posted_date": "2023-03-01",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05045625"
    },
    {
      "nct_id": "NCT02502162",
      "title": "Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "LDN",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": 120,
      "start_date": "2015-06",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02502162"
    },
    {
      "nct_id": "NCT05693337",
      "title": "Infrared Imaging in Complex Regional Pain Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndromes"
      ],
      "interventions": [
        {
          "name": "Forward Looking Infrared Radar (FLIR) thermal imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-01-09",
      "completion_date": "2023-07-06",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693337"
    },
    {
      "nct_id": "NCT03616262",
      "title": "\"Efficacy of Botulinum Toxin Injection in Reducing Limb Pain in Patients With Complex Regional Pain Syndrome\"",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Botox + Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Connecticut Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-07",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03616262"
    },
    {
      "nct_id": "NCT02837822",
      "title": "Effects of Spinal Cord Stimulation on Sensory Perceptions of Chronic Pain Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Complex Regional Pain Syndrome",
        "Failed Back Surgery Syndrome"
      ],
      "interventions": [
        {
          "name": "Spinal cord stimulator",
          "type": "DEVICE"
        },
        {
          "name": "Implantation of a spinal cord stimulator",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "CHU de Quebec-Universite Laval",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2015-10",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2018-07-17",
      "last_synced_at": "2026-10-05T05:10:56.011Z",
      "location_count": 1,
      "location_summary": "Toledo, Ohio",
      "locations": [
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02837822"
    }
  ]
}