~85 spots leftby Apr 2026

A 12-Week Efficacy Study of Paracetamol 1000mg Sustained-release Tablets in Patients With Osteoarthritis

Recruiting at48 trial locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: GlaxoSmithKline
Pivotal Trial (Near Approval)
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The purpose of the study is to determine whether paracetamol 1000 mg sustained-release (SR) tablets administered orally, twice daily are effective and safe in the treatment of patients with osteoarthritis of the knee or hip.

Research Team

GC

GSK Clinical Trials

Principal Investigator

GlaxoSmithKline

Eligibility Criteria

Inclusion Criteria

Male or female participants between 40 and 80 years of age
Pain in one knee/hip over 3 months immediately before screening visit
Use of non steroidal anti-inflammatory drugs (NSAIDs), acetaminophen (paracetamol) or any other analgesic for 3 or more days per week for at least 3 months prior to screening visit
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Treatment Details

Interventions

  • Paracetamol 1000 mg SR tablets (Analgesic)
Participant Groups
3Treatment groups
Experimental Treatment
Active Control
Placebo Group
Group I: Paracetamol 2000 mg twice daily (BID)Experimental Treatment1 Intervention
Participants will be instructed to take two active paracetamol 1000 mg SR tablets twice daily (with 10-12 hours between adjacent doses) and two placebo to match paracetamol 665 mg SR tablets thrice daily (with 6-8 hours between adjacent doses) orally with approximately 8 ounces (\~ 240 mL) of water/dose for 12 weeks.
Group II: Paracetamol 1330 mg thrice daily (TID)Active Control1 Intervention
Participants will be instructed to take two active paracetamol 665 mg SR tablets orally thrice daily (with 6-8 hours between adjacent doses) and two placebo to match paracetamol 1000 mg SR tablets orally twice daily (with 10-12 hours between adjacent doses) orally with approximately 8 ounces (\~ 240 mL) of water/dose for 12 weeks.
Group III: PlaceboPlacebo Group1 Intervention
Participants will be instructed to take two placebo to match paracetamol 1000 mg SR tablets twice daily (with 10-12 hours between adjacent doses) and two placebo to match paracetamol 665 mg SR tablets thrice daily (with 6-8 hours between adjacent doses) orally with approximately 8 ounces (\~ 240 mL) of water/dose for 12 weeks.

Find a Clinic Near You

Who Is Running the Clinical Trial?

GlaxoSmithKline

Lead Sponsor

Trials
4,834
Recruited
8,389,000+
Headquarters
London, UK
Known For
Vaccines & Medicines
Top Products
**Advair (salmeterol, fluticasone propionate)**, **Shingrix (shingles vaccine)**, **Augmentin (amoxicillin/clavulanate potassium)**, **Ventolin (salbutamol sulfate)
Dame Emma Walmsley profile image

Dame Emma Walmsley

GlaxoSmithKline

Chief Executive Officer since 2017

MA in Classics and Modern Languages from Oxford University

Dr. Hal Barron profile image

Dr. Hal Barron

GlaxoSmithKline

Chief Medical Officer since 2018

MD from Harvard Medical School