{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain%2C+Acute&page=2",
    "query": {
      "condition": "Postoperative Pain, Acute",
      "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=Postoperative+Pain%2C+Acute&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T05:51:41.975Z",
  "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": "NCT02785003",
      "title": "Ketamine in Colorectal Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain",
        "Pain, Postoperative",
        "Colorectal Surgery"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Opioid",
          "type": "DRUG"
        },
        {
          "name": "Alvimopan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": "2016-07",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02785003"
    },
    {
      "nct_id": "NCT02210429",
      "title": "Supraclavicular Blocks for Post-Operative Pain Control in Supracondylar Fracture Fixation, a Retrospective Analysis of Single Shot Catheter Techniques",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Elbow Fracture Fixation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 200,
      "start_date": "2009-01",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-07-29",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02210429"
    },
    {
      "nct_id": "NCT04274530",
      "title": "Cognitive Behavioural Therapy to Optimize Post-Operative Recovery Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Pain, Acute",
        "Pain, Chronic",
        "Fractures, Closed",
        "Fractures, Open"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioural Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "McMaster University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1024,
      "start_date": "2021-01-25",
      "completion_date": "2025-08-18",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 6,
      "location_summary": "Indianapolis, Indiana • Baltimore, Maryland • Largo, Maryland + 3 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Largo",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04274530"
    },
    {
      "nct_id": "NCT05548660",
      "title": "Pharmacogenetic-guided Choice of Post-surgery Analgesics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Pharmacogenetic testing",
          "type": "OTHER"
        },
        {
          "name": "Pharmacist note with genotype-guided analgesic recommendations",
          "type": "OTHER"
        },
        {
          "name": "Pharmacist detailed note with genotype-guided recommendations per CPIC guidelines",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 112,
      "start_date": "2022-10-13",
      "completion_date": "2025-02-01",
      "has_results": true,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05548660"
    },
    {
      "nct_id": "NCT00801398",
      "title": "Open-Label Safety and Tolerability Study of Oxymorphone for Acute Postoperative Pain in Pediatric Subjects.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Oxymorphone IR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 58,
      "start_date": "2009-02-17",
      "completion_date": "2011-04-18",
      "has_results": true,
      "last_update_posted_date": "2019-02-27",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 11,
      "location_summary": "Little Rock, Arkansas • Stanford, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00801398"
    },
    {
      "nct_id": "NCT02352519",
      "title": "A Comparison of UGBRS Block and Local Infiltration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Appendicitis"
      ],
      "interventions": [
        {
          "name": "UGBRSB",
          "type": "PROCEDURE"
        },
        {
          "name": "Local Infiltration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 50,
      "start_date": "2011-04",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-07-21",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02352519"
    },
    {
      "nct_id": "NCT06602271",
      "title": "PF614 Analgesic Activity in Acute Postoperative Pain (PF614-301)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain, Acute"
      ],
      "interventions": [
        {
          "name": "PF614 capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ensysce Biosciences",
      "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": 320,
      "start_date": "2025-12-09",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Houston, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06602271"
    },
    {
      "nct_id": "NCT05370404",
      "title": "Prescribing Vs. Recommending Over-The-Counter (PROTECT) Analgesics for Patients with Postoperative Pain:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Prescription by surgical team",
          "type": "OTHER"
        },
        {
          "name": "Recommendation by surgical team",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2022-09-30",
      "completion_date": "2024-11-29",
      "has_results": false,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05370404"
    },
    {
      "nct_id": "NCT04917055",
      "title": "iPACK Block With Dexamethasone For Total Knee Replacement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Acute Pain",
        "Anesthesia, Local",
        "Regional Anesthesia"
      ],
      "interventions": [
        {
          "name": "ropivacaine 0.25% with epinephrine and 6mg dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2021-06-07",
      "completion_date": "2022-06-07",
      "has_results": false,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04917055"
    },
    {
      "nct_id": "NCT01460667",
      "title": "Efficacy of IV Acetaminophen in Acute Post-Operative Pain Control in Laparoscopic Roux-en-Y Gastric Bypass Surgery (LRYGBP) Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "IV acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "IV normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "McLaren Regional Medical Center",
      "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": 85,
      "start_date": "2011-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-10-27",
      "last_synced_at": "2026-06-10T05:51:41.975Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01460667"
    }
  ]
}