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A study in adults with knee or hip osteoarthritis to find out which pain-relief medicine, Etoricoxib or Diclofenac, works better and is safer

A Multicenter, Randomized, Open-Label, Active-Controlled, Parallel-Group Exploratory Comparative Study to Evaluate the Safety and Effectiveness of Etoricoxib 90 mg versus Diclofenac Sodium 50 mg in Patients with Symptomatic Knee or Hip Osteoarthritis

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/06/112834
Enrollment
120
Registered
2026-06-16
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: M170- Bilateral primary osteoarthritis of knee

Interventions

Intervention1: Etoricoxib 90 mg: Etoricoxib 90 mg Route Oral, Frequency Once daily Duration 4 weeks Control Intervention1: Diclofenac Sodium 50 mg: Diclofenac Sodium Dose: 50 mg Route Oral Frequency

Sponsors

Zydus Healthcare Limited
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Provision of written informed consent before any study related procedure.Age more than 40 years at the time of informed consent Confirmed primary osteoarthritis of the knee or hip Symptomatic knee or hip osteoarthritis for more than 3 months prior to screening or baseline Overall, Pain score greater than or equal to 4 and equal to or less than 9 at baseline on 0 to 10 NRS Treatment na ve for osteoarthritis analgesic therapy or no NSAID use within the previous 48 to 72 hours before baseline assessment or randomization Negative pregnancy test Willingness to comply with study procedures and scheduled visits Ability to understand and complete study questionnaires in the applicable language

Exclusion criteria

Exclusion criteria: Inflammatory arthritis, including rheumatoid arthritis, psoriatic arthritis, reactive arthritis, ankylosing spondylitis, or systemic lupus erythematosus. Active gout flare or other acute inflammatory joint condition. Fibromyalgia or another dominant pain condition that may interfere with effectiveness assessment. Active peptic ulcer disease or history of gastrointestinal bleeding, perforation, or obstruction. Uncontrolled hypertension. Clinically significant cardiovascular disease or recent major cardiovascular event, in the investigator s judgment. Clinically significant hepatic impairment or renal impairment. Chronic opioid therapy. Intra-articular corticosteroid or viscosupplementation in the study joint within 3 months before enrolment. Planned surgery or intra-articular procedure involving the study joint during the study period. Known hypersensitivity, intolerance, or contraindication to etoricoxib, diclofenac, other NSAIDs, aspirin-sensitive asthma, or paracetamol. Any medical condition in which NSAIDs or paracetamol are contraindicated in the investigator s judgment. Pregnant women or women currently breast feeding Women of childbearing potential (WOCBP) who are unwilling to use highly effective ,medically accepted methods of contraception during the duration of the trial Participation in another clinical study within 30 days prior to enrolment. Any medical, psychiatric, or social condition that, in the investigator s opinion, may compromise participant safety, compliance, or study integrity.

Design outcomes

Primary

MeasureTime frame
To compare the effectiveness of etoricoxib 90 mg once daily versus diclofenac sodium 50 mg three times daily in reducing pain among patients with symptomatic knee or hip osteoarthritis, as assessed by change from baseline in Overall Pain score at Week 4Timepoint: Baseline and Week 4 / Day 28 2 days

Secondary

MeasureTime frame
Change from baseline in Pain in specific situations & Stiffness score PGART assessment at least 30 percent & at least 50 percent Overall Pain responder rates Pain while walking on a flat surface PGART approximately 4 hours after morning dose total rescue paracetamol consumption good or excellent PGART response & safety & tolerability assessment including AEs SAEs treatment related AEs GI symptoms BP changes edema cardiovascular symptoms or events & clinically significant LFT RFT & pregnancy test abnormalitiesTimepoint: Baseline Day 1 Day 2 Week 2 Day 14 plus or minus 2 days Week 4 Day 28 plus or minus 2 days & throughout the 4 week treatment period

Countries

India

Contacts

Public ContactDr Jawahar Jethwa

Dr. Jawahar Jethwa Clinic

jawahar_jethwa@yahoo.com9824031859

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026