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A Study to Compare to the Pharmacokinetic Profile of Two Paracetamol Formulations

This study has been completed.
Information provided by (Responsible Party):
GlaxoSmithKline Identifier:
First received: November 17, 2011
Last updated: November 20, 2014
Last verified: June 2014
A repeat dose pharmacokinetic study investigating two paracetamol formulations

Condition Intervention Phase
Healthy Subjects Drug: Experimental paracetamol formulation Drug: Marketed paracetamol Drug: Higher dose marketed paracetamol Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Open Label
Official Title: A Repeat Dose PK Study Investigating the Extent of Paracetamol Absorption From Two Sustained Release Paracetamol Formulations

Further study details as provided by GlaxoSmithKline:

Primary Outcome Measures:
  • Bioequivalence as measured by Area Under the Curve (AUC) [ Time Frame: last 24 hours of dosing ]

Secondary Outcome Measures:
  • Time duration at or above minimal therapeutic plasma paracetamol concentration [ Time Frame: last 24 hours of dosing ]
  • To assess pharmacokinetic parameters (Cmax, AUC, Tmax and Kel) [ Time Frame: last 24 hours of dosing ]
  • Adverse events [ Time Frame: Baseline to 72 hours post dosing ]

Enrollment: 28
Study Start Date: November 2009
Study Completion Date: December 2009
Primary Completion Date: December 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Experimental paracetamol formulation
test formulation
Drug: Experimental paracetamol formulation
Active Comparator: Marketed paracetamol
Marketed paracetamol
Drug: Marketed paracetamol
Marketed paracetamol
Active Comparator: Higher dose marketed paracetamol
higher dose marketed paracetamol
Drug: Higher dose marketed paracetamol
Higher dose marketed paracetamol


Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Good general health with (in the opinion of the investigator) no clinically significant and relevant abnormalities of medical history or physical examination.

Exclusion Criteria:

  • Subject does not agree to refrain from alcohol consumption for the 10-day period prior to visit 2 and throughout the study.
  • Participation in another clinical study or receipt of an investigational drug within 30 days of the screening visit.
  • Current (within 14 days of screening) or regular use of any prescription, over-the-counter drugs including paracetamol/acetaminophen, herbal medicine or drug known to induce or inhibit hepatic drug metabolism in the 30 days prior to dosing (e.g. barbiturates, theophylline, cimetidine, or erythromycin), excluding prescription birth control, if applicable.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01476189

United States, Nebraska
MDS Pharma Services NEBRASKA
Lincoln, Nebraska, United States, 68501
Sponsors and Collaborators
Study Director: GSK Clinical Trials GlaxoSmithKline
  More Information

Responsible Party: GlaxoSmithKline Identifier: NCT01476189     History of Changes
Other Study ID Numbers: A2750607
Study First Received: November 17, 2011
Last Updated: November 20, 2014

Keywords provided by GlaxoSmithKline:
Healthy volunteer
steady state

Additional relevant MeSH terms:
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Antipyretics processed this record on August 16, 2017