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A study to evaluate the effect of Chitrak root gel as compared to Diclofenac gel for knee joint pain relief

Multicentric, randomized, double-blind, parallel-group, controlled trial to evaluate efficacy and safety of gel containing Plumbago zeylanica root for mild to moderate osteoarthritis of knee - NIL

Status
Recruiting
Phases
Phase 3Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/04/085955
Enrollment
292
Registered
2025-04-29
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Health Condition 1: M179- Osteoarthritis of knee, unspecified

Interventions

None listed

Sponsors

Indian Council of Medical Research
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Male and female patients with age between 40-70 years 2. Clinically diagnosed and radiologically confirmed mild to moderate (KL grade II & III) symptomatic cases of OA of knee joints 3. Onset of symptom duration greater than or equal to 6 months at the time of screening 4. A score of greater than or equal to 9 on the 20-point Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain subscale at baseline 5. Greater than or equal to 5 score on 10-point visual analogue scale (VAS) for pain at baseline 6. Willing to give consent for participating in the study

Exclusion criteria

Exclusion criteria: 1. Patients having severe (KL grade IV) and disabling arthritis in targeted or contralateral knee joint 2. Patients with radiologically abnormal knee alignment 3. Those who are suffering from skin related problem at local sites of drug application which may affect drug application 4. Patients with history of HIV, Peripheral vascular diseases 5. Those who are on treatment with immuno-suppressive drugs and biologicals 6. Patients with history of Chikungunya, Dengue, or other viral infections in the past six months 7. Pregnant and lactating women 8. Any condition which in the opinion of investigator will place the subject at risk or will influence the conduct of study or interpretation of results 9. Diagnosed cases of Rheumatoid arthritis (RA factor positive) and Gouty arthritis (Serum Uric acid greater than UNL) 10. Patient requiring any systemic analgesic for other conditions which can affect the outcome of study drug 11. Patient on systemic corticosteroid therapy 12. Known case of history of allergy with NSAIDs or test drug 13. Patients with BMI greater than or equal to 35 kg/m2

Design outcomes

Primary

MeasureTime frame
Changes in WOMAC score- Pain, WOMAC score- Stiffness, WOMAC- Functional TotalTimepoint: Baseline/Screening Week 1 Week 2 Week 3 Week 4 Week 6 (post intervention) Week 8 (post intervention) Week 12 (post intervention)

Secondary

MeasureTime frame
Changes in range of motion (goniometry)Timepoint: Baseline/Screening Week 1 Week 2 Week 3 Week 4 Week 12 (post intervention);Changes in Quality of life at the end of intervention and at the end of post intervention as compared to baseline using Osteoarthritis Knee and Hip Quality of Life (OAKHQoL) questionnaireTimepoint: Baseline Week 4 Week 12 (post intervention);To determine extent of use of rescue medicines in the both the group during the studyTimepoint: Week 1 Week 2 Week 3 Week 4 Week 6 (post intervention) Week 8 (post intervention) Week 12 (post intervention)

Countries

India

Contacts

Public ContactDr Harsha Hegde

ICMR National Institute of Traditional Medicine Belagavi

barvaliya.m@icmr.gov.in08312439234

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Mar 14, 2026