{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=APAP+and+Placebo",
    "query": {
      "intervention": "APAP and Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 254,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=APAP+and+Placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T17:35:56.310Z",
  "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": "NCT05494385",
      "title": "Effect of Perioperative Gabapentin on Postoperative Opioid Requirements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Preoperative Gabapentin/Postoperative Placebo",
          "type": "DRUG"
        },
        {
          "name": "Preoperative Gabapentin/Postoperative Gabapentin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "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": 114,
      "start_date": "2021-07-27",
      "completion_date": "2023-07-05",
      "has_results": true,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05494385"
    },
    {
      "nct_id": "NCT02678416",
      "title": "Reduction in Pain Intensity Following IV or Oral Pain-relieving Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "IV Acetaminophen (Treatment A)",
          "type": "DRUG"
        },
        {
          "name": "Oral Acetaminophen (Treatment B)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Treatment C)",
          "type": "DRUG"
        },
        {
          "name": "Morphine (Treatment D)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 79,
      "start_date": "2015-12-07",
      "completion_date": "2016-06-13",
      "has_results": true,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678416"
    },
    {
      "nct_id": "NCT00404391",
      "title": "A Study Comparing the Analgesic Activity of Extended Release Hydrocodone/Acetaminophen (Vicodin® CR) and Placebo in Subjects With Pain Following Bunionectomy Surgery",
      "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": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 210,
      "start_date": "2003-10",
      "completion_date": "2004-03",
      "has_results": false,
      "last_update_posted_date": "2011-01-19",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 4,
      "location_summary": "Owing Mills, Maryland • Austin, Texas • San Marcos, Texas + 1 more",
      "locations": [
        {
          "city": "Owing Mills",
          "state": "Maryland"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Marcos",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00404391"
    },
    {
      "nct_id": "NCT03657810",
      "title": "A Controlled Study to Determine the Efficacy and Safety of CL-108 5 mg for Acute Pain and the Prevention of OINV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain",
        "Nausea",
        "Vomiting"
      ],
      "interventions": [
        {
          "name": "CL-108 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Norco",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Charleston Laboratories, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 349,
      "start_date": "2017-08-02",
      "completion_date": "2018-11-30",
      "has_results": true,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pasadena",
          "state": "Maryland"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03657810"
    },
    {
      "nct_id": "NCT02839876",
      "title": "Intravenous Versus Oral Acetaminophen in Primary Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis",
        "Acetaminophen",
        "Arthroplasty, Hip Replacement"
      ],
      "interventions": [
        {
          "name": "Intravenous acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Oral acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "56 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "56 Years to 85 Years"
      },
      "enrollment_count": 81,
      "start_date": "2017-03-14",
      "completion_date": "2018-10-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-09",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02839876"
    },
    {
      "nct_id": "NCT02452320",
      "title": "Prospective, Double Blind, Placebo Control, Bariatric IV Ace",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "intravenous acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2016-02",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-04-20",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02452320"
    },
    {
      "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": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01053637"
    },
    {
      "nct_id": "NCT02588027",
      "title": "Effect of Ibuprofen on Postoperative Opiate Medication Use and Shoulder Functional Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rotator Cuff Tear Arthropathy"
      ],
      "interventions": [
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2015-10",
      "completion_date": "2022-09",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02588027"
    },
    {
      "nct_id": "NCT05485805",
      "title": "A Study to Learn How Well a Single Dose of the Study Treatment Naproxen Sodium and Caffeine Combined in One Tablet (Fixed-dose Combination) Works to Relieve Pain After Dental Surgeries Compared to the Single Ingredients and to Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Dental Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen sodium and caffeine (BAY2880376)",
          "type": "DRUG"
        },
        {
          "name": "Naproxen sodium (Aleve)",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 541,
      "start_date": "2022-09-21",
      "completion_date": "2024-01-29",
      "has_results": true,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05485805"
    },
    {
      "nct_id": "NCT00573170",
      "title": "TREXIMET® Versus Butalbital-containing Combination Medications for the Acute Treatment of Migraine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Migraine Disorders",
        "Migraine, Acute"
      ],
      "interventions": [
        {
          "name": "TREXIMET®",
          "type": "DRUG"
        },
        {
          "name": "Butalbital-containing Combination Medications (BCM)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 375,
      "start_date": "2008-02",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2010-12-29",
      "last_synced_at": "2026-09-06T17:35:56.310Z",
      "location_count": 107,
      "location_summary": "Chandler, Arizona • Gilbert, Arizona • Litchfield Park, Arizona + 94 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00573170"
    }
  ]
}