Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Active, not recruiting Phase 3 Interventional

RCT, Blinded, 2-Arm Efficacy Study of IP and Placebo in Patients With Chronic Pain Related to Osteoarthritis of the Knee

ClinicalTrials.gov ID: NCT05318521

Public ClinicalTrials.gov record NCT05318521. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 28, 2026, 9:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-Blind, Parallel-Arm Study Comparing the Efficacy of Investigational Product "Ibuprofen Modified-Release Tablets 800 mg" and Placebo in Patients With Chronic Pain Related to Osteoarthritis of the Knee

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

It is a Phase III efficacy study as the title 'A randomized, double-blind, parallel-arm study comparing the efficacy of investigational product "Ibuprofen Modified-Release Tablets 800 mg" and placebo in patients with chronic pain related to osteoarthritis of the knee.' The primary objective is to determine the analgesic efficacy of orally administered IBUMR in patients with osteoarthritis (OA) of the knee. The Secondary objectives are to compare the treatment effect on patient pain, function and stiffness between IBUMR- and placebo-treated patients as measured by the Western Ontario and McMaster Osteoarthritis Index (WOMAC), to compare the treatment effect on Patient Global Assessment on Disease Activity between IBUMR- and placebo-treated patients, to compare the treatment effect on Investigator's Global Assessment on Disease Activity between IBUMR- and placebo-treated patients, to compare the use of analgesic rescue medicine between IBUMR- and placebo-treated patients, to determine the safety profile of IBUMR.

Study identification

NCT ID
NCT05318521
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Overseas Pharmaceuticals, Ltd.
Industry
Enrollment
500 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 10, 2021 (Actual)
Primary completion
Aug 12, 2022 (Actual)
Completion
Dec 31, 2026 (Estimated)
Last update posted
Jul 27, 2026

2021 – 2026

United States locations

U.S. sites
7
U.S. states
4
U.S. cities
7
Facility City State ZIP Site status
Core Healthcare Cerritos California 90703 —
National Institute of Clinical Research Garden Grove California 92844 —
Paragon Rx Clinical, Inc. Santa Ana California 92703 —
Well Pharma Medical Research Miami Florida 33173 —
Palm Beach Research Center West Palm Beach Florida 33409 —
Coastal Carolina Research Center North Charleston South Carolina 29405 —
Cvillemedresearch Charlottesville Virginia 22911 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05318521, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 27, 2026 · Synced Oct 28, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05318521 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →