{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=acetominophen&page=5",
    "query": {
      "intervention": "acetominophen",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 948,
    "total_pages": 95,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=acetominophen&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=acetominophen&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T02:12:18.154Z",
  "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": "NCT01629329",
      "title": "Prochlorperazine Versus Acetaminophen, Aspirin, and Caffeine for the Treatment of Acute Migraine",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Migraine Headaches"
      ],
      "interventions": [
        {
          "name": "Aspirin, Acetaminophen, Caffeine pills",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine 10mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "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": 93,
      "start_date": "2010-11",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01629329"
    },
    {
      "nct_id": "NCT07766837",
      "title": "Postoperative Tizanidine Use in Pelvic Reconstructive Surgery: A Pilot Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Operative",
        "Post Operative Analgesia",
        "Urogynecologic Surgery"
      ],
      "interventions": [
        {
          "name": "Tizanidine",
          "type": "DRUG"
        },
        {
          "name": "Standard-of-Care Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 89 Years · Female only"
      },
      "enrollment_count": 186,
      "start_date": "2026-08-21",
      "completion_date": "2028-07-29",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07766837"
    },
    {
      "nct_id": "NCT03523988",
      "title": "Pre-emptive Analgesics in Orthodontic Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "NSAID",
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "12 Years to 59 Years"
      },
      "enrollment_count": 73,
      "start_date": "2017-05-02",
      "completion_date": "2017-08-01",
      "has_results": true,
      "last_update_posted_date": "2019-08-21",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03523988"
    },
    {
      "nct_id": "NCT01868425",
      "title": "ACL Repair and Multimodal Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "multimodal:acetaminophen, gabapentin, ketamine, bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "placebo pills and injectables",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 112,
      "start_date": "2013-04",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01868425"
    },
    {
      "nct_id": "NCT04813991",
      "title": "Pain Control Without Opioids",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Perioperative Pain"
      ],
      "interventions": [
        {
          "name": "Ibuprofen 600 mg",
          "type": "DRUG"
        },
        {
          "name": "OxyCODONE 5 Mg Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hackensack Meridian Health",
      "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": 0,
      "start_date": "2022-03-15",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-10",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04813991"
    },
    {
      "nct_id": "NCT05100017",
      "title": "Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi",
        "Kidney Diseases",
        "Nephrolithiasis",
        "Urolithiasis",
        "Ureteral Diseases",
        "Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "Methocarbamol",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "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": "2021-09-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05100017"
    },
    {
      "nct_id": "NCT03905720",
      "title": "Pragmatic Research of Acupuncture and Counseling eXtended to Inpatient Services",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Solid Tumor",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 448,
      "start_date": "2019-01-17",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-10-22",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03905720"
    },
    {
      "nct_id": "NCT06214468",
      "title": "Protective Effect of Nicotinamide Riboside Against Acetaminophen Toxicity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Toxicity"
      ],
      "interventions": [
        {
          "name": "Acetaminophen and Nicotinamide Riboside",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "University of South Alabama",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2024-01-15",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Mobile, Alabama",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06214468"
    },
    {
      "nct_id": "NCT01691690",
      "title": "Analgesic Effect of IV Acetaminophen in Tonsillectomies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenotonsillitis",
        "Tonsillitis"
      ],
      "interventions": [
        {
          "name": "Acetaminophen (paracetamol)",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline Flush",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "Nitrous Oxide/Oxygen",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "2 Years to 9 Years"
      },
      "enrollment_count": 250,
      "start_date": "2012-10",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-04-06",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691690"
    },
    {
      "nct_id": "NCT04290208",
      "title": "A Comparison of IV Versus PO Acetaminophen Postoperatively for Opioid Consumption After Cesarean Section",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Cesarean Section",
        "Acetaminophen"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Main Line Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2019-08-22",
      "completion_date": "2020-06-23",
      "has_results": false,
      "last_update_posted_date": "2020-02-28",
      "last_synced_at": "2026-10-24T02:12:18.154Z",
      "location_count": 1,
      "location_summary": "Wynnewood, Pennsylvania",
      "locations": [
        {
          "city": "Wynnewood",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04290208"
    }
  ]
}