{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-operation+Pain&page=21",
    "query": {
      "condition": "Post-operation Pain",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 714,
    "total_pages": 72,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-operation+Pain&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-operation+Pain&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:25:33.834Z",
  "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": "NCT04979429",
      "title": "The Perioperative Pain Self-Management Program Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Perioperative Pain Self-management (PePS)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 401,
      "start_date": "2021-08-03",
      "completion_date": "2026-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04979429"
    },
    {
      "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": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01619852"
    },
    {
      "nct_id": "NCT02579538",
      "title": "Flexibility of Cognition And Persistent Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 300,
      "start_date": "2015-09-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02579538"
    },
    {
      "nct_id": "NCT05192954",
      "title": "Comparing Postoperative Pain After Vessel Sealing Device Versus Conventional Suturing Methods for Vaginal Hysterectomy and Pelvic Reconstructive Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pelvic Organ Prolapse"
      ],
      "interventions": [
        {
          "name": "LigaSureTM vessel sealing device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Marlana McDowell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 95,
      "start_date": "2022-01-28",
      "completion_date": "2024-10-28",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05192954"
    },
    {
      "nct_id": "NCT01971372",
      "title": "Post-Operative Pain Management With NSAIDS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urogynecologic Surgery"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Oklahoma",
      "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": 120,
      "start_date": "2013-09",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-06-09",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01971372"
    },
    {
      "nct_id": "NCT02958566",
      "title": "Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Colon Cancer",
        "Colon Diverticulosis",
        "Colonic Neoplasms",
        "Colonic Diverticulitis",
        "Pain, Postoperative",
        "Ileus",
        "Ileus Paralytic",
        "Ileus; Mechanical",
        "Constipation Drug Induced",
        "Constipation",
        "Rectum Cancer",
        "Rectum Neoplasm"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Orphenadrine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Marcaine",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Dilaudid",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone-Acetaminophen Tab 5-325 MG",
          "type": "DRUG"
        },
        {
          "name": "HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois College of Medicine at Peoria",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2017-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Peoria, Illinois",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02958566"
    },
    {
      "nct_id": "NCT06559137",
      "title": "Evaluation of Pain Management After Surgery When Using Nerve Blocks in the Pediatric Population",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anterior Cruciate Ligament (ACL) Tear",
        "Sports Injuries in Children",
        "Analgesia",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.2% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Scottish Rite Hospital for Children",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 160,
      "start_date": "2025-09",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Frisco, Texas",
      "locations": [
        {
          "city": "Frisco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06559137"
    },
    {
      "nct_id": "NCT04957342",
      "title": "Effect of Using Placental Membranes on Healing and Post-op Pain After Gum Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Gingival Diseases"
      ],
      "interventions": [
        {
          "name": "amnion-chorion membrane",
          "type": "DEVICE"
        },
        {
          "name": "Sutures",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Harvard Medical School (HMS and HSDM)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-05-15",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04957342"
    },
    {
      "nct_id": "NCT03011307",
      "title": "Efficacy of Intrathecal Oxytocin to Speed Recovery After Hip Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 126,
      "start_date": "2017-01-12",
      "completion_date": "2021-08-11",
      "has_results": true,
      "last_update_posted_date": "2022-11-23",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011307"
    },
    {
      "nct_id": "NCT01511211",
      "title": "Duration of Leg Nerve Blocks With Dexamethasone Added to Local Anesthetic",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain",
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "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": "2012-09",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-09-12",
      "last_synced_at": "2026-11-15T12:25:33.834Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01511211"
    }
  ]
}