{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Pain+Syndrome&page=4",
    "query": {
      "condition": "Regional Pain Syndrome",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 108,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Pain+Syndrome&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Pain+Syndrome&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T02:21:33.392Z",
  "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": "NCT07639060",
      "title": "Prospective Case Series Evaluating 6-Month and 12-Month Outcomes After Cryoneurolysis for Chronic Pain",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "PERIPHERAL NEUROPATHY",
        "Occipital Neuralgia",
        "Chronic Hip Pain",
        "Hip Osteoarthritis",
        "Knee Osteoarthritis",
        "Spasticity",
        "Chronic Low Back Pain",
        "Lumbar Spondylosis",
        "Cervical Spondylosis",
        "Shoulder Arthritis",
        "Causalgia",
        "Chronic Pain Syndrome",
        "Chronic Neck Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2026-06-20",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Old Saybrook, Connecticut",
      "locations": [
        {
          "city": "Old Saybrook",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07639060"
    },
    {
      "nct_id": "NCT07811362",
      "title": "CRPS-RISE Outcomes Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complex Regional Pain Syndrome I (CRPS I)"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": "2026-09-17",
      "completion_date": "2029-04-16",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07811362"
    },
    {
      "nct_id": "NCT03838107",
      "title": "Markers of Trajectory in Pediatric CRPS",
      "overall_status": "UNKNOWN",
      "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": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03838107"
    },
    {
      "nct_id": "NCT03203772",
      "title": "Immersive Virtual Reality for Neuropathic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neuropathy",
        "Phantom Limb Pain",
        "Complex Regional Pain Syndromes",
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Immersive Virtual Reality",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2016-08-14",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203772"
    },
    {
      "nct_id": "NCT07636980",
      "title": "Empowered Relief for Caregivers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Musculoskeletal Pain",
        "Fibromyalgia",
        "Neuropathic Pain",
        "Complex Regional Pain Syndromes (CRPS)",
        "Abdominal Pain (AP)"
      ],
      "interventions": [
        {
          "name": "Empowered Relief for Caregivers (ER-CY)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2026-10",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07636980"
    },
    {
      "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": "2026-10-05T02:21:33.392Z",
      "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": "2026-10-05T02:21:33.392Z",
      "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": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06337526"
    },
    {
      "nct_id": "NCT04113954",
      "title": "Detecting Compartment Syndrome Pain in the Presence of Regional Anesthesia in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Compartment Syndrome of Leg",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Mepivacaine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 42,
      "start_date": "2020-09-29",
      "completion_date": "2021-04-06",
      "has_results": false,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-10-05T02:21:33.392Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04113954"
    },
    {
      "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": "2026-10-05T02:21:33.392Z",
      "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"
    }
  ]
}