{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesics&page=4",
    "query": {
      "condition": "Analgesics",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 629,
    "total_pages": 63,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesics&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesics&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T07:26:05.412Z",
  "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": "NCT00085761",
      "title": "Study of NGX-4010 for Treatment of Painful HIV-Associated Neuropathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Peripheral Nervous System Diseases",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Capsaicin Dermal Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurogesX",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-03-06",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 2,
      "location_summary": "Sarasota, Florida • Annandale, Virginia",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Annandale",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00085761"
    },
    {
      "nct_id": "NCT02666118",
      "title": "Efficacy of Nerve Blockade Performed Prior to Surgical Intervention Versus Following Surgical Intervention",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Shoulder Injury"
      ],
      "interventions": [
        {
          "name": "Preemptive Interscalene Block - Single Shot",
          "type": "PROCEDURE"
        },
        {
          "name": "Postoperative Interscalene Block- Single Shot",
          "type": "PROCEDURE"
        },
        {
          "name": "Preemptive Interscalene Block - Catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "Postoperative Interscalene Block - Catheter",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 79,
      "start_date": "2013-02",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-02",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02666118"
    },
    {
      "nct_id": "NCT04271917",
      "title": "Analgesic Effects of Cannabidiol for Simple Tooth Extractions in Dental Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "acetaminophen 500mg and ibuprofen 200mg combo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2020-02-24",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-02",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04271917"
    },
    {
      "nct_id": "NCT03393143",
      "title": "A Naturalistic Experiment Evaluating the Impact of Medicaid Treatment Reimbursement Changes on Opioid Prescribing and Patient Outcomes Among Patients With Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Back Pain",
        "Neck Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Kaiser Permanente",
      "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": 2748,
      "start_date": "2018-05-31",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-01-11",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03393143"
    },
    {
      "nct_id": "NCT01105871",
      "title": "Subjective Analgesic Effects of Naloxone and Virtual Reality",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "naloxone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2010-08",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2012-08-21",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01105871"
    },
    {
      "nct_id": "NCT00465647",
      "title": "An Open-label Study of Hydromorphone Oral Solution in Subjects Aged 28 Days to 16 Years for Postoperative Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Days",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "28 Days to 16 Years"
      },
      "enrollment_count": 116,
      "start_date": "2007-04",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2015-11-18",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • Orange, California • Stanford, California + 10 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00465647"
    },
    {
      "nct_id": "NCT01094574",
      "title": "Evaluation of Propranolol's Effect on Pain and Inflammation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain Measurement"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Martin Angst",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2010-01",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2017-02-24",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01094574"
    },
    {
      "nct_id": "NCT03056690",
      "title": "A Study to Assess the Analgesic Efficacy and Safety of ASP0819 in Patients With Fibromyalgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "ASP0819",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "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": 186,
      "start_date": "2017-03-20",
      "completion_date": "2018-02-27",
      "has_results": true,
      "last_update_posted_date": "2024-10-29",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • El Cajon, California • Sacramento, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "El Cajon",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03056690"
    },
    {
      "nct_id": "NCT01280591",
      "title": "Evaluate Analgesic/Sedative Efficacy of Naproxen Sodium and Diphenhydramine in Patients With Postsurgical Dental Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Naproxen sodium 440 mg / DPH 50 mg (BAY98-7111)",
          "type": "DRUG"
        },
        {
          "name": "Naproxen sodium 220 mg / DPH 50 mg (BAY98-7111)",
          "type": "DRUG"
        },
        {
          "name": "Naproxen sodium 440 mg (BAYH6689)",
          "type": "DRUG"
        },
        {
          "name": "DPH 50 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "12 Years to 45 Years"
      },
      "enrollment_count": 712,
      "start_date": "2010-10",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2015-06-08",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 2,
      "location_summary": "Austin, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01280591"
    },
    {
      "nct_id": "NCT02274077",
      "title": "Transverse Abdominal Plane Anesthesia for Abdominal Wall Reconstruction",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hernia, Ventral"
      ],
      "interventions": [
        {
          "name": "EXPAREL",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chester Mays",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-01",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-11",
      "last_synced_at": "2026-10-20T07:26:05.412Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02274077"
    }
  ]
}