{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=24",
    "query": {
      "condition": "Postoperative Pain",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 1837,
    "total_pages": 184,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Postoperative+Pain&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T16:20:28.692Z",
  "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": "NCT01619852",
      "title": "Lidocaine and Prevention of Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": ".9 normal saline placebo",
          "type": "DRUG"
        },
        {
          "name": "Group L (lidocaine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 148,
      "start_date": "2012-06",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01619852"
    },
    {
      "nct_id": "NCT02787226",
      "title": "Liposomal Bupivacaine Infiltration vs Continuous Perineural Ropivacaine Infusion for Post-operative Pain After Total Shoulder Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Shoulder Arthritis"
      ],
      "interventions": [
        {
          "name": "Liposomal Bupivacaine Infiltration",
          "type": "DRUG"
        },
        {
          "name": "Continuous Perineural Ropivicaine Infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eric Shepard",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2014-08",
      "completion_date": "2017-05-31",
      "has_results": false,
      "last_update_posted_date": "2018-02-09",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02787226"
    },
    {
      "nct_id": "NCT03011333",
      "title": "Phase 2B Upper Extremity Nerve Block Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "HTX-011",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine HCl without epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Saline Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Heron Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 243,
      "start_date": "2017-01-14",
      "completion_date": "2018-03-19",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 2,
      "location_summary": "Pasadena, California • Houston, Texas",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011333"
    },
    {
      "nct_id": "NCT04263909",
      "title": "The Impact of Sublingual Sufentanil on Postoperative Pain and Analgesic Requirements in Spine Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Spine Fusion",
        "Pain, Postoperative",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Sublingual Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 199,
      "start_date": "2020-12-01",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04263909"
    },
    {
      "nct_id": "NCT04644796",
      "title": "A Randomized Trial of Exparel vs Saline in Opioid Reduction of Pain Management Following Lumbar Spine Surgeries.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lumbar Spine Degeneration"
      ],
      "interventions": [
        {
          "name": "saline 0.9%",
          "type": "DRUG"
        },
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2021-02-10",
      "completion_date": "2022-06-13",
      "has_results": true,
      "last_update_posted_date": "2023-06-13",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04644796"
    },
    {
      "nct_id": "NCT04670614",
      "title": "Regional Anesthesia (Supra-Orbital and Infra-Orbital Nerve Block) (SION) for Pain Management in Trans-sphenoidal Hypophysectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Surgical Pain"
      ],
      "interventions": [
        {
          "name": "Nerve Block with ropivicaine 0.5% Injectable Solution",
          "type": "PROCEDURE"
        },
        {
          "name": "Nerve Block with Placebo sham control of 0.9% Normal Saline",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 49,
      "start_date": "2017-01-15",
      "completion_date": "2018-12-25",
      "has_results": false,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04670614"
    },
    {
      "nct_id": "NCT00388752",
      "title": "Acupuncture for the Treatment of Phantom Limb and Residual Limb Pain After Amputation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Phantom Limb",
        "Residual Limb Pain",
        "Traumatic Amputation",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2006-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-06-06",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00388752"
    },
    {
      "nct_id": "NCT01260883",
      "title": "Ketorolac in Postoperative Infants: Pharmacokinetics and Safety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain in Infants"
      ],
      "interventions": [
        {
          "name": "Ketorolac Tromethamine 1 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac Tromethamine 0.5 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "18 Months",
        "sex": "ALL",
        "summary": "2 Months to 18 Months"
      },
      "enrollment_count": 77,
      "start_date": "2000-05",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2013-06-13",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260883"
    },
    {
      "nct_id": "NCT02300077",
      "title": "Methadone in Ambulatory Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pain",
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "methadone",
          "type": "DRUG"
        },
        {
          "name": "Control (Intra-operative administration of opioids, other than methadone)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 60,
      "start_date": "2014-12",
      "completion_date": "2018-02-12",
      "has_results": true,
      "last_update_posted_date": "2019-05-17",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300077"
    },
    {
      "nct_id": "NCT04976387",
      "title": "Post Operative Analgesia and Patient Satisfaction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain",
        "Patient Satisfaction",
        "Analgesia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 160,
      "start_date": "2021-07-02",
      "completion_date": "2023-05-11",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-22T16:20:28.692Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04976387"
    }
  ]
}