{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-Op+acetaminophen&page=2",
    "query": {
      "intervention": "Post-Op acetaminophen",
      "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?intervention=Post-Op+acetaminophen&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T05:09:38.984Z",
  "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": "NCT03383588",
      "title": "Subcutaneous Bupivacaine Decrease Post-op Pain in Patients Undergoing C-Section",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Referred"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Saline solution",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "17 Years to 40 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2018-07-19",
      "completion_date": "2018-12-31",
      "has_results": true,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03383588"
    },
    {
      "nct_id": "NCT06658574",
      "title": "Oral Acetaminophen for Post-Op Pain Management in Bariatric Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Operative Analgesia",
        "Bariatric Surgery",
        "Bariatric Surgery (Gastric Bypass)",
        "Bariatric Surgery Patients",
        "Perioperative Analgesia"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2024-11-13",
      "completion_date": "2026-05-07",
      "has_results": true,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06658574"
    },
    {
      "nct_id": "NCT03570320",
      "title": "Does Altering Narcotic Prescription Methods Affect Opioid Distribution Following Select Upper Extremity Surgeries?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Modification of opioid prescription method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "John Yanik",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2018-09-04",
      "completion_date": "2020-02-29",
      "has_results": false,
      "last_update_posted_date": "2020-03-24",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03570320"
    },
    {
      "nct_id": "NCT05240755",
      "title": "Effectiveness of Cannabidiol vs. Narcotics for Post Operative Pain Control in Elective Shoulder Arthroscopic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "Cannabidiol Oil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Foundation for Orthopaedic Research and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2022-07-01",
      "completion_date": "2024-08-20",
      "has_results": false,
      "last_update_posted_date": "2025-03-17",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05240755"
    },
    {
      "nct_id": "NCT03448068",
      "title": "Perioperative Ketamine for Pain With Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Laparoscopic Gastric Bypass Surgery",
        "Ketamine"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Standard therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 34,
      "start_date": "2018-04-16",
      "completion_date": "2020-01-09",
      "has_results": true,
      "last_update_posted_date": "2021-04-29",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03448068"
    },
    {
      "nct_id": "NCT04018612",
      "title": "A Study of Acetaminophen for Post Surgical Dental Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Dental Pain"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Nevakar, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "17 Years to 55 Years"
      },
      "enrollment_count": 110,
      "start_date": "2019-04-25",
      "completion_date": "2019-08-15",
      "has_results": true,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04018612"
    },
    {
      "nct_id": "NCT01823224",
      "title": "Comparing Effectiveness of IV vs Oral Acetaminophen Given Perioperatively for Lap Choles for Pain Control,",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laparoscopic Cholecystectomy"
      ],
      "interventions": [
        {
          "name": "2 capsules Oral Tylenol 2000 mg and IV \"salt water\"",
          "type": "DRUG"
        },
        {
          "name": "IV tylenol 1000mg and 2 oral capsule \"sugar pills\"",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Defense and Veterans Center for Integrative Pain Management",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2013-02",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2016-06-06",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Fort Bragg, North Carolina",
      "locations": [
        {
          "city": "Fort Bragg",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01823224"
    },
    {
      "nct_id": "NCT03823534",
      "title": "Post-Op Pain Control for Prophylactic Intramedullary Nailing.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bone Metastases",
        "Lymphoma",
        "Multiple Myeloma",
        "Opioid Use",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone/Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Louis 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": "2019-02-20",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03823534"
    },
    {
      "nct_id": "NCT00399568",
      "title": "Efficacy and Safety of Intravenous Acetaminophen Over 48 Hrs for the Treatment of Post-op Pain After Gynecologic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Pain",
        "Hysterectomy"
      ],
      "interventions": [
        {
          "name": "IV Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "IV Placebo 100 mL solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 331,
      "start_date": "2006-11",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2016-10-21",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Sheffield, Alabama • Phoenix, Arizona + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00399568"
    },
    {
      "nct_id": "NCT04246697",
      "title": "Multimodal Pain Study in Free Flap Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Analgesia"
      ],
      "interventions": [
        {
          "name": "Tylenol",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "toradol",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-11-01",
      "completion_date": "2023-05-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-26T05:09:38.984Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04246697"
    }
  ]
}