{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+%2B+placebo",
    "query": {
      "intervention": "Acetaminophen + placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 294,
    "total_pages": 30,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+%2B+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T15:00:44.138Z",
  "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": "NCT01003639",
      "title": "Idiopathic Intracranial Hypertension Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Intracranial Hypertension"
      ],
      "interventions": [
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Formal weight loss counselling program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 165,
      "start_date": "2010-01",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01003639"
    },
    {
      "nct_id": "NCT01053637",
      "title": "Pain and Anxiety Management With Oral Narcotic for Pediatric Suture Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Children",
        "Lacerations",
        "Procedures",
        "Child",
        "Pain"
      ],
      "interventions": [
        {
          "name": "hydrocodone/acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Sugar water",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 85,
      "start_date": "2009-02",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2021-08-25",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01053637"
    },
    {
      "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": "2026-09-22T15:00:44.138Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01629329"
    },
    {
      "nct_id": "NCT04676802",
      "title": "Pain Relief After Trapeziectomy: Ibuprofen & Acetaminophen Versus Oxycodone",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Osteoarthritis Thumb"
      ],
      "interventions": [
        {
          "name": "NSAID capsules",
          "type": "DRUG"
        },
        {
          "name": "Opioid capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2021-12-27",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 2,
      "location_summary": "Redwood City, California • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04676802"
    },
    {
      "nct_id": "NCT01760330",
      "title": "IV Acetaminophen in Children Undergoing Palatoplasty",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cleft Palate"
      ],
      "interventions": [
        {
          "name": "IV acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2015-12",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-03-08",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01760330"
    },
    {
      "nct_id": "NCT02025634",
      "title": "Intravenous Acetaminophen for Non-Narcotic Postoperative Pain Management Following Knee Arthroscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Intravenous Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo (0.9% Normal Saline infusion)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AdventHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 119,
      "start_date": "2013-11",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2020-10-26",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 1,
      "location_summary": "Celebration, Florida",
      "locations": [
        {
          "city": "Celebration",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02025634"
    },
    {
      "nct_id": "NCT01333722",
      "title": "Acute Pain Study Following Bunionectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone/Acetaminophen Extended Release",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2011-04",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2014-04-08",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 3,
      "location_summary": "Pasadena, California • Austin, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01333722"
    },
    {
      "nct_id": "NCT05868122",
      "title": "A Study to Evaluate a Fixed Combination of Acetaminophen/Naproxen Sodium in Acute Postoperative Pain Following Bunionectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Acetaminophen/Naproxen Sodium Fixed Combination",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 143,
      "start_date": "2023-09-07",
      "completion_date": "2024-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 4,
      "location_summary": "New Providence, New Jersey • Bellaire, Texas • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "New Providence",
          "state": "New Jersey"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05868122"
    },
    {
      "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": "2026-09-22T15:00:44.138Z",
      "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": "NCT04530149",
      "title": "Vital Capacity in Ultrasound Guided Serratus Plane Block in ED Patients With Multiple Rib Fractures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Bupivacain",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antonios Likourezos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 3,
      "start_date": "2021-11-01",
      "completion_date": "2024-03-04",
      "has_results": true,
      "last_update_posted_date": "2024-06-11",
      "last_synced_at": "2026-09-22T15:00:44.138Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04530149"
    }
  ]
}