{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Experimental+paracetamol+formulation",
    "query": {
      "intervention": "Experimental paracetamol formulation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T23:18:00.866Z",
  "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": "NCT01476176",
      "title": "A Pharmacokinetic Study of an Experimental Paracetamol Formulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Headache, Tension-Type"
      ],
      "interventions": [
        {
          "name": "Experimental paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Paracetamol marketed formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-07",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476176"
    },
    {
      "nct_id": "NCT01540734",
      "title": "Pharmacokinetic Study Investigating the Extent of Paracetamol Absorption From a New Formulation of Paracetamol Compared With Panadol®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Marketed paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Experimental paracetamol formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 28,
      "start_date": "2009-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01540734"
    },
    {
      "nct_id": "NCT03137017",
      "title": "A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of a New and a Marketed Tablet Formulation Under Fasted and Fed Conditions in Healthy Adults",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-Related Disorders",
        "Pain, Acute",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Norco 5Mg-325Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "GRT7014 - Abuse Deterrent Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grünenthal GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-09",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03137017"
    },
    {
      "nct_id": "NCT01476189",
      "title": "A Study to Compare to the Pharmacokinetic Profile of Two Paracetamol Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Experimental paracetamol formulation",
          "type": "DRUG"
        },
        {
          "name": "Marketed paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Higher dose marketed paracetamol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 28,
      "start_date": "2009-11",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01476189"
    },
    {
      "nct_id": "NCT01755702",
      "title": "Paracetamol With Caffeine to Treat Episodic Tension Type Headache",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Headache, Tension-Type"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Experimental paracetamol + caffeine formulation",
          "type": "DRUG"
        },
        {
          "name": "ibuprofen marketed formulation",
          "type": "DRUG"
        },
        {
          "name": "Paracetamol marketed formulation",
          "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": 66,
      "start_date": "2009-07",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2015-03-27",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 7,
      "location_summary": "Pembroke Pines, Florida • Springfield, Massachusetts • Wellesley Hills, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "Wellesley Hills",
          "state": "Massachusetts"
        },
        {
          "city": "Lake Success",
          "state": "New York"
        },
        {
          "city": "Mount Vernon",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01755702"
    },
    {
      "nct_id": "NCT01540721",
      "title": "Pharmacokinetic Study Investigating the Extent of Paracetamol Absorption From a New Formulation of Paracetamol Compared With Panadol® Extend",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Marketed paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Experimental paracetamol formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 28,
      "start_date": "2009-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01540721"
    },
    {
      "nct_id": "NCT01592227",
      "title": "A Study to Compare Two Paracetamol Formulations.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Marketed paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Experimental paracetamol formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-09-03T23:18:00.866Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592227"
    }
  ]
}