{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+%28Tylenol+extra+strength%29&page=2",
    "query": {
      "intervention": "Acetaminophen (Tylenol extra strength)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 239,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+%28Tylenol+extra+strength%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetaminophen+%28Tylenol+extra+strength%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T19:57:11.960Z",
  "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": "NCT05658887",
      "title": "Preoperative Gabapentin vs Placebo for Vaginal Prolapse Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pelvic Organ Prolapse",
        "Perioperative/Postoperative Complications"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joseph Kowalski",
      "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": 110,
      "start_date": "2023-01-01",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05658887"
    },
    {
      "nct_id": "NCT01711229",
      "title": "Equality Study of Ofirmev vs Oral Acetaminophen",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "IV acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "oral acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Babiash, Kimberly H., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2015-12",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-28",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Wichita, Kansas",
      "locations": [
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01711229"
    },
    {
      "nct_id": "NCT02700451",
      "title": "Post-op Acetaminophen vs NSAID Use on Lumbar Spinal Fusion Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Osteoarthritis",
        "Spondylosis",
        "Lumbar Disc Disease",
        "Spinal Stenosis"
      ],
      "interventions": [
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 178,
      "start_date": "2016-03",
      "completion_date": "2023-03",
      "has_results": true,
      "last_update_posted_date": "2023-07-10",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02700451"
    },
    {
      "nct_id": "NCT02209181",
      "title": "A Dental Pain Study to Test the Effectiveness of a New Pain Reliever Medicine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "JNJ-10450232 / Not yet marketed",
          "type": "DRUG"
        },
        {
          "name": "acetaminophen / Tylenol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 269,
      "start_date": "2014-08",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-02-03",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02209181"
    },
    {
      "nct_id": "NCT02647788",
      "title": "Acetaminophen/Codeine vs Acetaminophen/Ibuprofen for Pain Control and Patient Satisfaction After Hand Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Acetaminophen/Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen/Codeine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 144,
      "start_date": "2015-12",
      "completion_date": "2018-01-19",
      "has_results": true,
      "last_update_posted_date": "2019-02-18",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02647788"
    },
    {
      "nct_id": "NCT04240626",
      "title": "Multimodal Analgesia Effect on Post Surgical Patient",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity, Morbid",
        "Surgery",
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "Neurontin",
          "type": "DRUG"
        },
        {
          "name": "Dilaudid Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Marcaine Injectable Product",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Hycet 7.5Mg-325Mg/15Ml Solution",
          "type": "DRUG"
        },
        {
          "name": "Zofran Injection",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine patch",
          "type": "DRUG"
        },
        {
          "name": "Ativan",
          "type": "DRUG"
        },
        {
          "name": "Flexeril Oral Product",
          "type": "DRUG"
        },
        {
          "name": "Tylenol Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 65 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2021-01-20",
      "completion_date": "2025-06-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04240626"
    },
    {
      "nct_id": "NCT03651804",
      "title": "Radiofrequency Ablation: Treatment for Posterior Element Pain From Vertebral Compression Fractures",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vertebral Compression Fracture",
        "Facet Joint Pain"
      ],
      "interventions": [
        {
          "name": "Radiofrequency ablation of the medial branch nerves",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-steroidal anti-inflammatory drugs",
          "type": "DRUG"
        },
        {
          "name": "Bisphosphonates",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Physical therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opioids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-04-10",
      "completion_date": "2023-12-19",
      "has_results": false,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03651804"
    },
    {
      "nct_id": "NCT00377832",
      "title": "Acetaminophen for Fetal Tachycardia: a Randomized Pilot Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fever",
        "Heart Rate, Fetal (FHR)"
      ],
      "interventions": [
        {
          "name": "Acetaminophen 975 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2007-07",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2013-09-16",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Flushing, New York",
      "locations": [
        {
          "city": "Flushing",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00377832"
    },
    {
      "nct_id": "NCT03424733",
      "title": "Evaluating the Use of Prednisone to Decrease Pegylated Interferon Beta-1a Side Effects",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Plegridy",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Tylenol Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Holy Name Medical Center, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-09-25",
      "completion_date": "2020-05-31",
      "has_results": false,
      "last_update_posted_date": "2019-08-15",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Teaneck, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03424733"
    },
    {
      "nct_id": "NCT03584152",
      "title": "Postoperative Pain Management in Rhinoplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Norco 5Mg-325Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Tylenol 325Mg Caplet",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen 200 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 159,
      "start_date": "2019-08-09",
      "completion_date": "2025-07-17",
      "has_results": true,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-07T19:57:11.960Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03584152"
    }
  ]
}