{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=4",
    "query": {
      "condition": "Postoperative Pain",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1834,
    "total_pages": 184,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T07:26:15.952Z",
  "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": "NCT01750060",
      "title": "Pharmacokinetic Characterization of the Active, Separated System With PK Controller (Fentanyl Iontophoretic Transdermal System, 40 Mcg Fentanyl Per Activation).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Incline Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 54,
      "start_date": "2012-12",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2013-04-19",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01750060"
    },
    {
      "nct_id": "NCT03198871",
      "title": "IV Acetaminophen for Post-Operative Pain Management in Enhanced Recovery After Surgery (ERAS) Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Abdominal Wall Hernia",
        "Pancreatic Diseases",
        "Bowel Disease",
        "Gastric Disease"
      ],
      "interventions": [
        {
          "name": "Acetaminophen Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Sodium Chloride 0.9%, Intravenous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kathirvel Subramaniam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2018-05-24",
      "completion_date": "2020-11-30",
      "has_results": true,
      "last_update_posted_date": "2021-01-28",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03198871"
    },
    {
      "nct_id": "NCT05676814",
      "title": "Pecto-intercostal Fascial Block (PIFB) for Postop Analgesia Following Sternotomy in Cardiac Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Analgesia",
        "Sternotomy"
      ],
      "interventions": [
        {
          "name": "Pecto-intercostal Fascial Block (PIFB)",
          "type": "DRUG"
        },
        {
          "name": "PIFB with adjuvants",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 31,
      "start_date": "2023-03-24",
      "completion_date": "2023-06-24",
      "has_results": true,
      "last_update_posted_date": "2024-06-11",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05676814"
    },
    {
      "nct_id": "NCT06471348",
      "title": "Postoperative Pain Control in AIS Using Liposomal Bupivacaine vs. 0.25% Bupivacaine With Epinephrine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Pain",
        "Spinal Fusion"
      ],
      "interventions": [
        {
          "name": "Bupivacaine liposome injectable suspension",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride and Epinephrine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 128,
      "start_date": "2025-08-15",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-22",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06471348"
    },
    {
      "nct_id": "NCT06812832",
      "title": "Simethicone as Part of ERAS in Bariatric Surgery Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Simethicone",
        "Bariatric Surgery",
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "Simethicone 80 MG",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Madigan Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 260,
      "start_date": "2025-04-08",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06812832"
    },
    {
      "nct_id": "NCT02784548",
      "title": "Virtual Reality for Phantom Limb Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phantom Limb Pain"
      ],
      "interventions": [
        {
          "name": "Virtual Reality",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-10-02",
      "completion_date": "2018-09-30",
      "has_results": true,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02784548"
    },
    {
      "nct_id": "NCT01844206",
      "title": "Two Dose Epidural Morphine for Post-cesarean Analgesia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain",
        "Morphine Adverse Reaction"
      ],
      "interventions": [
        {
          "name": "Epidural Morphine",
          "type": "DRUG"
        },
        {
          "name": "Epidural Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 5,
      "start_date": "2013-06",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01844206"
    },
    {
      "nct_id": "NCT01114984",
      "title": "Post-Breast Procedure Pain Syndrome Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast",
        "Mastectomy, Segmental"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-07",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2015-03-02",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01114984"
    },
    {
      "nct_id": "NCT04167852",
      "title": "Mindfulness Meditation and Bariatric Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Bariatric Surgery Candidate",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Daily text message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": "2019-11-21",
      "completion_date": "2021-06-15",
      "has_results": false,
      "last_update_posted_date": "2021-06-23",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04167852"
    },
    {
      "nct_id": "NCT04005755",
      "title": "Maxigesic® IV Phase 3 Exposure Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Maxigesic® IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AFT Pharmaceuticals, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2019-07-22",
      "completion_date": "2020-07-07",
      "has_results": true,
      "last_update_posted_date": "2021-09-01",
      "last_synced_at": "2026-10-20T07:26:15.952Z",
      "location_count": 2,
      "location_summary": "Pasadena, Maryland • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Pasadena",
          "state": "Maryland"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04005755"
    }
  ]
}