{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain+Control&page=4",
    "query": {
      "condition": "Postoperative Pain Control",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1111,
    "total_pages": 112,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain+Control&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain+Control&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T02:50:13.370Z",
  "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": "NCT02161705",
      "title": "Pre-op Paravertebral Blocks to Decrease Post-op Pain Following Mastectomy With Immediate Tissue Expander (TE) Reconstruction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain",
        "Postoperative Nausea and Vomiting",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 18,
      "start_date": "2014-07",
      "completion_date": "2019-02",
      "has_results": true,
      "last_update_posted_date": "2020-04-16",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02161705"
    },
    {
      "nct_id": "NCT01988194",
      "title": "Pragmatic Research eXamining Inpatient Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Nausea",
        "Vomiting",
        "Anxiety",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2013-11",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2020-06-09",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988194"
    },
    {
      "nct_id": "NCT03224403",
      "title": "Randomized, Double-Blind, Single-Dose, Efficacy and Safety Study of Test Acetaminophen Tablet in Postoperative Dental Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Post-operative Dental Pain"
      ],
      "interventions": [
        {
          "name": "Test acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Commercial acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Commercial ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "17 Years to 50 Years"
      },
      "enrollment_count": 664,
      "start_date": "2017-07-19",
      "completion_date": "2018-04-12",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224403"
    },
    {
      "nct_id": "NCT01589796",
      "title": "Medial Versus Traditional Approach to US-guided TAP Blocks for Open Inguinal Hernia Repair",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Abdominal Muscles/Ultrasonography",
        "Adult",
        "Ambulatory Surgical Procedures",
        "Anesthetics, Local/Administration & Dosage",
        "Ropivacaine/Administration & Dosage",
        "Ropivacaine/Analogs & Derivatives",
        "Hernia, Inguinal/Surgery",
        "Humans",
        "Nerve Block/Methods",
        "Pain Measurement/Methods",
        "Pain, Postoperative/Prevention & Control",
        "Ultrasonography, Interventional"
      ],
      "interventions": [
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stamford Anesthesiology Services, PC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2012-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-05-02",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 2,
      "location_summary": "Stamford, Connecticut",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01589796"
    },
    {
      "nct_id": "NCT03674905",
      "title": "Peripheral Nerve Block Compared to Intra-articular Injection for TAA Post-operative Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ankle Arthritis",
        "Ankle Arthropathy"
      ],
      "interventions": [
        {
          "name": "Intra-articular injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Slocum Research & Education Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2016-11-29",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2018-09-18",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03674905"
    },
    {
      "nct_id": "NCT05975385",
      "title": "Acupuncture for Prevention of Postoperative Nausea and Vomiting After Laparoscopic Cholecystectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cholecystitis, Acute",
        "Cholelithiasis",
        "Nausea, Postoperative",
        "Vomiting, Postoperative",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "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": 270,
      "start_date": "2023-10-09",
      "completion_date": "2026-02-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05975385"
    },
    {
      "nct_id": "NCT01743625",
      "title": "Safety and Efficacy Study of COV155 for Post-operative Bunionectomy Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Bunion"
      ],
      "interventions": [
        {
          "name": "COV155",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2012-11",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 5,
      "location_summary": "Anaheim, California • Pasadena, California • Pasadena, Maryland + 2 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "Maryland"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01743625"
    },
    {
      "nct_id": "NCT06868589",
      "title": "Reducing Pain With Methadone and Ketamine in Liver Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "ketamine",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-06-30",
      "completion_date": "2026-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 2,
      "location_summary": "Burlington, Massachusetts",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06868589"
    },
    {
      "nct_id": "NCT02689258",
      "title": "Evaluation of the Efficacy and Safety of HTX-011 for Postoperative Analgesia Following Abdominoplasty Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "HTX-011B",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "HTX-011A",
          "type": "DRUG"
        },
        {
          "name": "HTX-002",
          "type": "DRUG"
        },
        {
          "name": "Bupivicaine HCl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Heron Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 277,
      "start_date": "2016-02-23",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Pasadena, California • Pasadena, Maryland + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "Maryland"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02689258"
    },
    {
      "nct_id": "NCT04171050",
      "title": "Pudendal Enhancement of Enhanced Recovery After Surgery (ERAS) for Reconstructive Surgery (PEERS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "Local anaesthetic",
          "type": "DRUG"
        },
        {
          "name": "Pudendal Nerve Block plus anesthesia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 44,
      "start_date": "2019-11-14",
      "completion_date": "2023-08-28",
      "has_results": true,
      "last_update_posted_date": "2025-06-03",
      "last_synced_at": "2026-10-21T02:50:13.370Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04171050"
    }
  ]
}