{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Post+Operative",
    "query": {
      "condition": "Pain, Post Operative"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1798,
    "total_pages": 180,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Post+Operative&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T17:26:45.219Z",
  "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": "NCT01150474",
      "title": "Postoperative Belladonna and Morphine Suppositories in Vaginal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vaginal Surgery"
      ],
      "interventions": [
        {
          "name": "Belladonna and Opium Suppositories",
          "type": "DRUG"
        },
        {
          "name": "Placebo Suppositories",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kristina A. Butler",
      "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": 103,
      "start_date": "2011-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-01-07",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01150474"
    },
    {
      "nct_id": "NCT03183596",
      "title": "Optimal Injection Site for Serratus Anterior Plane Block in Reconstructive Breast Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-12",
      "completion_date": "2024-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-31",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03183596"
    },
    {
      "nct_id": "NCT04849455",
      "title": "Erector Spinae Plane Block Catheters and Intrathecal Morphine for Hepatic Resection",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatic Resection",
        "Acute Pain",
        "Anesthesia",
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "0.2% ropivacaine local anesthetic continuous erector spinae plane block",
          "type": "DRUG"
        },
        {
          "name": "0.2% ropivacaine local anesthetic superficially taped continuous erector spinae plane block",
          "type": "DRUG"
        },
        {
          "name": "Spinal Morphine",
          "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": 70,
      "start_date": "2021-05-24",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04849455"
    },
    {
      "nct_id": "NCT03467750",
      "title": "Effect of Ketorolac on Post Adenotonsillectomy Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 63,
      "start_date": "2018-07-19",
      "completion_date": "2023-08-22",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03467750"
    },
    {
      "nct_id": "NCT00229996",
      "title": "Medical Treatment of Endometriosis-Associated Pelvic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometriosis",
        "Pelvic Pain"
      ],
      "interventions": [
        {
          "name": "Oral Contraceptive",
          "type": "DRUG"
        },
        {
          "name": "Depot-Leuprolide/Norethindrone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "52 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 52 Years · Female only"
      },
      "enrollment_count": 194,
      "start_date": "2004-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-01-24",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00229996"
    },
    {
      "nct_id": "NCT04640896",
      "title": "Trigger Point Injections in Anterior Cervical Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Myofacial Pain",
        "Pain, Neck",
        "Pain, Back",
        "Cervical Fusion"
      ],
      "interventions": [
        {
          "name": "Trigger point injection with bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Trigger point injection with normal saline",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine skin wheal",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2020-11-05",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-12-08",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "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/NCT04640896"
    },
    {
      "nct_id": "NCT04981678",
      "title": "The Effect of Buprenorphine Continuation for Patients With Opioid Use Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MaineHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2022-01-01",
      "completion_date": "2023-10-16",
      "has_results": true,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981678"
    },
    {
      "nct_id": "NCT02504580",
      "title": "Pilot Herniorrhaphy Study for Postoperative Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "HTX-011",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "HTX-002",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine HCI (Marcaine)",
          "type": "DRUG"
        },
        {
          "name": "HTX-011A",
          "type": "DRUG"
        },
        {
          "name": "HTX-011B",
          "type": "DRUG"
        },
        {
          "name": "HTX-009",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Heron Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 463,
      "start_date": "2015-07",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 3,
      "location_summary": "Anaheim, California • Houston, Texas",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02504580"
    },
    {
      "nct_id": "NCT00514878",
      "title": "Development of a Predictive Model for Post-Discharge Nausea and Vomiting (PDNV)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nausea",
        "Postoperative Nausea and Vomiting",
        "Postdischarge Nausea and Vomiting",
        "Postoperative Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 2000,
      "start_date": "2007-08",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2009-11-02",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00514878"
    },
    {
      "nct_id": "NCT01928849",
      "title": "Valproic Acid for the Prevention of Post-Amputation Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Phantom",
        "Pain, Neuropathic"
      ],
      "interventions": [
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        },
        {
          "name": "Cherry Syrup",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2013-12",
      "completion_date": "2017-09-26",
      "has_results": true,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-06-10T17:26:45.219Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Durham, North Carolina",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01928849"
    }
  ]
}