{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+1000mg+PO",
    "query": {
      "intervention": "Acetaminophen 1000mg PO"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+1000mg+PO&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T02:17:54.315Z",
  "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": "NCT01608308",
      "title": "Intraoperative and Post-operative Analgesic Effect of IV Acetaminophen for Sinus Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Sinusitis"
      ],
      "interventions": [
        {
          "name": "IV Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "18 Years to 68 Years"
      },
      "enrollment_count": 62,
      "start_date": "2012-07",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2015-10-16",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01608308"
    },
    {
      "nct_id": "NCT02219581",
      "title": "Steroids in Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Inflammation",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Dexamethasone 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Standard multimodal pain management regimen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas L Bradbury",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 1,
      "start_date": "2014-10-16",
      "completion_date": "2015-12-01",
      "has_results": true,
      "last_update_posted_date": "2022-10-04",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Tucker, Georgia",
      "locations": [
        {
          "city": "Tucker",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02219581"
    },
    {
      "nct_id": "NCT04599634",
      "title": "Venetoclax With Obinutuzumab and Magrolimab (VENOM) in Relapsed and Refractory Indolent B-cell Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Follicular Lymphoma",
        "Marginal Zone Lymphoma",
        "Mantle Cell Lymphoma",
        "Chronic Lymphocytic Lymphoma",
        "B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Obinutuzumab",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Magrolimab",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone/prednisolone",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "CT Scan chest/abdomen/pelvis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "18-FDG-PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2021-12-16",
      "completion_date": "2024-06-20",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04599634"
    },
    {
      "nct_id": "NCT07595302",
      "title": "Comparing Pain Improvement for Intravenous Versus Oral Acetaminophen in Acute Pelvic Pain",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pelvic Pain"
      ],
      "interventions": [
        {
          "name": "Acetaminophen 1000mg PO",
          "type": "DRUG"
        },
        {
          "name": "IV Acetaminophen 1000mg",
          "type": "DRUG"
        },
        {
          "name": "IV Placebo",
          "type": "OTHER"
        },
        {
          "name": "PO Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 50 Years · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2026-07-30",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07595302"
    },
    {
      "nct_id": "NCT02244619",
      "title": "PO vs. IV Acetaminophen Given Perioperatively for 24 hr Post-op Pain Control Following Total Hip or Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-op Pain"
      ],
      "interventions": [
        {
          "name": "Oral acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "IV acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kettering Health Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 515,
      "start_date": "2014-09",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-07-24",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Kettering, Ohio",
      "locations": [
        {
          "city": "Kettering",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02244619"
    },
    {
      "nct_id": "NCT01948505",
      "title": "Effect of IV Acetaminophen on Patients in the Neurocritical Care Unit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-operative Craniotomy Patients",
        "Carotid Endarterectomy and Carotid Artery Stenosis Patients",
        "Post-op Spine Patients Admitted to the NCCU",
        "Endovascular Patients Undergoing Intracranial Intervention",
        "Traumatic Brain Injuries NPO for at Least 12 Hours"
      ],
      "interventions": [
        {
          "name": "Intravenous acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo for IV acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 210,
      "start_date": "2013-08",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2023-04-24",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01948505"
    },
    {
      "nct_id": "NCT03073980",
      "title": "Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility, Female",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "IV Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "PO Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo IV Acetaminophen",
          "type": "OTHER"
        },
        {
          "name": "Placebo PO Acetaminophen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 161,
      "start_date": "2019-09-01",
      "completion_date": "2020-12-01",
      "has_results": true,
      "last_update_posted_date": "2022-05-26",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073980"
    },
    {
      "nct_id": "NCT04429022",
      "title": "Multimodal Pain Management After Robotic-Assisted Total Laparoscopic Hysterectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Paracervical block with ropivacaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Local anesthetic injection with ropivacaine at abdominal laparoscopic port sites",
          "type": "PROCEDURE"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 90 Years · Female only"
      },
      "enrollment_count": 68,
      "start_date": "2020-11-24",
      "completion_date": "2022-05-31",
      "has_results": true,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Williamsville, New York",
      "locations": [
        {
          "city": "Williamsville",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04429022"
    },
    {
      "nct_id": "NCT05231460",
      "title": "Pain Management Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Active Comparator: narcotic regimen with TAP block",
          "type": "DRUG"
        },
        {
          "name": "Active Comparator: narcotic regimen with no TAP block",
          "type": "DRUG"
        },
        {
          "name": "non-narcotic regimen with TAP block",
          "type": "DRUG"
        },
        {
          "name": "non-narcotic regimen with no TAP block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2022-02-18",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05231460"
    },
    {
      "nct_id": "NCT02541643",
      "title": "Expanded Access Single Named Patient Program With Elotuzumab (BMS-901608) for the Treatment of Patient R-A With Relapsed/Refractory Multiple Myeloma",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Elotuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sundar Jagannath",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-09-04",
      "last_synced_at": "2026-09-21T02:17:54.315Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02541643"
    }
  ]
}