{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesic%2C+Opioid&page=4",
    "query": {
      "condition": "Analgesic, Opioid",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 198,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesic%2C+Opioid&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Analgesic%2C+Opioid&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T09:20:09.834Z",
  "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": "NCT03107481",
      "title": "Acetaminophen IV vs Hydromorphone IV in the ED",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "21 Years to 64 Years"
      },
      "enrollment_count": 220,
      "start_date": "2017-06-04",
      "completion_date": "2017-11-14",
      "has_results": false,
      "last_update_posted_date": "2017-11-17",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03107481"
    },
    {
      "nct_id": "NCT04421209",
      "title": "Analgesic Effects of Perioperative Propranolol Administration for Spine Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lumbar Disc Disease",
        "Spinal Fusion",
        "Degenerative Disc Disease"
      ],
      "interventions": [
        {
          "name": "Propranolol Hcl 40mg Tab",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-12",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421209"
    },
    {
      "nct_id": "NCT05984433",
      "title": "Auricular Acupuncture as Part of Multimodal Analgesia After Lower Leg Fracture",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Fracture, Ankle",
        "Pilon Fracture of Tibia",
        "Foot Fracture"
      ],
      "interventions": [
        {
          "name": "Auricular acupuncture",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-12-11",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05984433"
    },
    {
      "nct_id": "NCT02945293",
      "title": "Cognitive, Behavioral and Aging Effects of Pain Medication in Alcohol Users",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild to Heavy Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2015-11",
      "completion_date": "2021-09-01",
      "has_results": false,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02945293"
    },
    {
      "nct_id": "NCT01262261",
      "title": "Re-Treatment Study of Probuphine in Opioid Addiction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid Dependency"
      ],
      "interventions": [
        {
          "name": "Probuphine (buprenorphine implant)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Titan Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 85,
      "start_date": "2010-11",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2018-12-31",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • National City, California • Oceanside, California + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01262261"
    },
    {
      "nct_id": "NCT01058642",
      "title": "Study to Assess the Efficacy, Safety, and Tolerability of ADL5747 in Participants With Postherpetic Neuralgia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "ADL5747",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 41,
      "start_date": "2010-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2015-07-30",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "West Palm Beach, Florida",
      "locations": [
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058642"
    },
    {
      "nct_id": "NCT01770314",
      "title": "Study to Test the Efficacy of Online Education to Increase Safe Use of Opioid Medication.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Medication Adherence"
      ],
      "interventions": [
        {
          "name": "Experimental",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Inflexxion, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 176,
      "start_date": "2012-09",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2014-05-19",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Newton, Massachusetts",
      "locations": [
        {
          "city": "Newton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01770314"
    },
    {
      "nct_id": "NCT04033562",
      "title": "The Analgesic Efficacy of Continuous Sub-fascial Bupivacaine Infusion and Lidocaine Patches in Post-cesarean Patients With Opiate Use Disorder: A Comparative Efficacy Analysis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Opioid Use",
        "Opioid Dependence",
        "Opioid Abuse",
        "Medication Assisted Treatment",
        "Infusion Catheter, Wound",
        "Lidopatch",
        "Ambu ACTion",
        "Pregnancy Related",
        "Cesarean Section"
      ],
      "interventions": [
        {
          "name": "Lidocaine patch",
          "type": "DRUG"
        },
        {
          "name": "Ambu ACTion pump, 0.125% bupivacaine at 8cc/hr",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "WellSpan Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2020-01-15",
      "completion_date": "2021-05-17",
      "has_results": false,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "York, Pennsylvania",
      "locations": [
        {
          "city": "York",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04033562"
    },
    {
      "nct_id": "NCT00993863",
      "title": "Analgesic Efficacy and Safety of ADL5859 in Subjects With Acute Dental Pain After Third Molar Extraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "ADL5859 30 mg",
          "type": "DRUG"
        },
        {
          "name": "ADL5859 100 mg",
          "type": "DRUG"
        },
        {
          "name": "ADL5859 200 mg",
          "type": "DRUG"
        },
        {
          "name": "ibuprofen 400 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 201,
      "start_date": "2007-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-07-17",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00993863"
    },
    {
      "nct_id": "NCT03366805",
      "title": "A Patient Education Video Program for Post-Operative Recovery After Upper Extremity Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Analgesics, Opioid",
        "Orthopedic Surgery",
        "Ambulatory Surgery",
        "Education, Patient",
        "Injuries and Wounds"
      ],
      "interventions": [
        {
          "name": "Pain Management Patient Education Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wound Care Patient Education Video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carilion Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 221,
      "start_date": "2017-11-30",
      "completion_date": "2020-06-12",
      "has_results": false,
      "last_update_posted_date": "2019-09-23",
      "last_synced_at": "2026-10-13T09:20:09.834Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03366805"
    }
  ]
}