Efficacy and Safety of Naproxen Gel in Musculoskeletal Pain Management: A Prospective Cohort Study
Bibliographic record
Abstract
Introduction: Naproxen is effective for various musculoskeletal conditions and has a longer half-life, making it a favourable choice for sustained relief. Additionally, there is a potential unmet need for guidelines on the usage of topical Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) in the Asia-Pacific region. A study on naproxen 10% gel aims to address this need and increase awareness of its therapeutic potential in the region. Aim: To assess the efficacy and safety of naproxen 10% gel in relieving pain associated with lower back, knee, cervical, synovitis, bursitis, muscle sprain, and tendinitis. Materials and Methods: This prospective, cohort, observational, open-label, single-arm, multicentric study was conducted at 458 centres in India, including Ahmedabad, Bengaluru, Chandigarh, Chennai, Delhi, Guwahati, Hyderabad, Indore, Jaipur, Kolkata, Lucknow, Meerut, Mumbai, Patna, and Pune, between February 2023 and May 2023. The data was collected from outpatient settings/clinics of orthopaedicians and clinicians who have been prescribing topical naproxen 10% gel to their patients. The study included patients aged 18 to 60 years of either sex who were suffering from back pain, muscle pain, sprains, frozen shoulder, arthritis, acute low back ache (non-specific), or pain. The data was captured during the scheduled follow-up visits planned by the treating clinician, with data recorded at 3, 5, 10, and 15 days. At the baseline visit, demographic details (age, sex, weight, height, body mass index, and symptoms), Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain subscale score, pain intensity on movement score, Visual Analogue Scale (VAS), and overall pain score were obtained. Results: Out of 10,587 patients, 10,265 completed the present study. The majority of patients had lower back pain (n=3386, 32.99%) and knee pain (n=3184, 31.02%). The average pain intensity on movement score of patients with bursitis significantly decreased from the baseline to 15 days {mean change {95% Confidence Interval (CI)}: 6.04 (5.89, 6.20); p<0.001}. Post-naproxen treatment, the average pain intensity, WOMAC pain score, VAS, and overall pain score significantly decreased from baseline to day 15 in patients with knee pain and lower back pain. A significant improvement in WOMAC, WOMAC pain (5.42 vs 17.98), WOMAC stiffness (1.49 vs 5.75), and WOMAC physical function score (18.93 vs 56.21) at day 15 was observed in patients with a muscle sprain. Adverse Events (AE) were reported in 173 (1.69%) patients overall, with dryness (n=125) being the most common, followed by erythema (n=20) and pruritus (n=17). Conclusion: Naproxen 10% gel is an effective topical treatment for lower back pain, knee pain, cervical pain, synovitis, bursitis, muscle sprain, and tendinitis. It could prove helpful in patients where the side-effects of oral NSAIDs are to be avoided.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.028 | 0.031 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".