{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Treatment+of+PHN&page=2",
    "query": {
      "condition": "Treatment of PHN",
      "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=Treatment+of+PHN&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T15:57:25.035Z",
  "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": "NCT00845923",
      "title": "Evaluation of Civamide Patch in Treatment of Postherpetic Neuralgia and Post-Incisional Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "Civamide Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Winston Laboratories",
      "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": 22,
      "start_date": "2009-03",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2017-02-13",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 3,
      "location_summary": "Sunrise, Florida • Chicago, Illinois • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Sunrise",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00845923"
    },
    {
      "nct_id": "NCT00652184",
      "title": "Study to Compare Efficacy of Topical ARYS-01 (Sorivudine) Cream 3%, Oral Valaciclovir and Combination ARYS-01 Cream 3%/Oral Valaciclovir for Treatment of Herpes Zoster (Shingles)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster",
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "ARYS-01 (sorivudine) cream 3% or placebo cream",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "valaciclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "aRigen Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2008-03",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2008-10-07",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 10,
      "location_summary": "Beverly Hills, California • Encino, California • Vista, California + 5 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        },
        {
          "city": "Henderson",
          "state": "Nevada"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00652184"
    },
    {
      "nct_id": "NCT00916942",
      "title": "Study of NGX-4010 With the Use of Open Label Lidocaine (2.5%)/Prilocaine (2.5%) Cream for the Treatment of Postherpetic Neuralgia (PHN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "capsaicin 8%",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine (2.5%)/Prilocaine (2.5%) Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurogesX",
      "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": 20,
      "start_date": "2009-06",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2009-09-09",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 6,
      "location_summary": "Naples, Florida • St. Petersburg, Florida • Marietta, Georgia + 3 more",
      "locations": [
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Hickory",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00916942"
    },
    {
      "nct_id": "NCT00617461",
      "title": "A Clinical Study in Subjects With Neuropathic Pain From PHN Who Have Had an Inadequate Response to Gabapentin Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuralgia, Postherpetic"
      ],
      "interventions": [
        {
          "name": "GEn 1200mg/day",
          "type": "DRUG"
        },
        {
          "name": "GEn 3600mg/day",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2008-03",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2013-07-22",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 42,
      "location_summary": "Phoenix, Arizona • Oxnard, California • Roseville, California + 36 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00617461"
    },
    {
      "nct_id": "NCT00334685",
      "title": "[S,S]-Reboxetine Add-On Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "[S,S]-Reboxetine + Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2006-08-22",
      "completion_date": "2007-10-11",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 7,
      "location_summary": "Huntsville, Alabama • Gilbert, Arizona • North Dartmouth, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334685"
    },
    {
      "nct_id": "NCT00813826",
      "title": "Efficacy and Safety Study of SLC022 in Treating Pain Associated With Post Herpetic Neuralgia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "SLC022",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solace Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 204,
      "start_date": "2009-01",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2009-07-30",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 19,
      "location_summary": "Sierra Vista, Arizona • Mission Viejo, California • Orlando, Florida + 16 more",
      "locations": [
        {
          "city": "Sierra Vista",
          "state": "Arizona"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00813826"
    },
    {
      "nct_id": "NCT01886313",
      "title": "Civamide Nasal Solution for Postherpetic Neuralgia of the Trigeminal Nerve",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "Civamide Nasal Spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Winston Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 11,
      "start_date": "2014-03",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-03-01",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 5,
      "location_summary": "Santa Monica, California • Lauderdale Lakes, Florida • Tampa, Florida + 2 more",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886313"
    },
    {
      "nct_id": "NCT00609323",
      "title": "Lidocaine and Tetracaine Cream to Treat Postherpetic Neuralgia (PHN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "lidocaine and tetracaine cream 7%/7%",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2008-01",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-03-29",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 6,
      "location_summary": "Lexington, Kentucky • High Point, North Carolina • Winston-Salem, North Carolina + 3 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Norman",
          "state": "Oklahoma"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609323"
    },
    {
      "nct_id": "NCT01603394",
      "title": "Pilot Study Of Pregabalin And Prediction Of Treatment Response In Patients With Postherpetic Neuralgia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2012-10",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-07-08",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 4,
      "location_summary": "Leesburg, Florida • Lexington, Kentucky • Raleigh, North Carolina + 1 more",
      "locations": [
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Jekintown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603394"
    },
    {
      "nct_id": "NCT01228838",
      "title": "Study of NGX-1998 for the Treatment of Postherpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia",
        "Pain"
      ],
      "interventions": [
        {
          "name": "NGX-1998",
          "type": "DRUG"
        },
        {
          "name": "Placebo Liquid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurogesX",
      "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": 183,
      "start_date": "2010-10",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-07-22T15:57:25.035Z",
      "location_count": 35,
      "location_summary": "Huntsville, Alabama • Tucson, Arizona • Irvine, California + 32 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01228838"
    }
  ]
}