RCT, Blinded, 2-Arm Efficacy Study of IP and Placebo in Patients With Chronic Pain Related to Osteoarthritis of the Knee
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.
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
- Enrollment
- 500 participants
Conditions and interventions
Conditions
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 9, 2021
- Primary completion
- Aug 11, 2022
- Completion
- Dec 30, 2026
- Last update posted
- Jul 26, 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 26, 2026 · Synced Sep 9, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05318521 live on ClinicalTrials.gov.