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Comparable efficacy of standardized Ayurveda formulation and hydroxychloroquine sulfate (HCQS) in the treatment of rheumatoid arthritis (RA): a randomized investigator-blind controlled study

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Abstract

Hydroxychloroquine sulfate (HCQS) is a popular disease-modifying antirheumatic drug (DMARD) despite modest efficacy and toxicity. Ayurveda (ancient India medicinal system) physicians treat rheumatoid arthritis (RA) with allegedly safer herbal formulations. We report a head-to-head comparison in an exploratory drug trial. The objective is to compare standardized Ayurvedic formulations and HCQS in the treatment of RA. One hundred twenty-one patients with active moderately severe RA (ACR 1988 classified) were randomized into a 24-week investigator-blind, parallel efficacy, three-arm (two Ayurvedic and HCQS) multicenter drug trial study; polyherb (Tinospora cordifolia and Zingiber officinale based) and monoherb (Semecarpus anacardium). Study measures included joint counts (pain/tenderness and swelling), pain visual analogue scale, global disease assessments, and health assessment questionnaire. Oral meloxicam (fixed-dosage schedule) was prescribed to all patients during the initial 16 weeks. Patients on prednisolone could continue a fixed stable dose (<7.5 mg daily). Rescue oral use of paracetamol was permitted and monitored. All groups matched well at baseline. An intent-to-treat analysis (ANOVA, significance P < 0.05) did not show significant differences by treatment groups. In the polyherb, monoherb, and HCQS arms, 44%, 36%, and 51%, respectively, showed ACR 20 index improvement. Several efficacy measures improved significantly in the HCQS and polyherb groups with no difference between the groups (corrected P). However, the latter was individually superior to monoherb. Only mild adverse events (gut and skin, and none withdrew) were reported with no differences between the groups. Forty-two patients dropped out. This preliminary drug trial controlled for HCQS demonstrated a standardized Ayurvedic polyherb drug to be effective and safe in controlling active RA. A better-designed study with a longer evaluation period is recommended.

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Acknowledgements

This study was funded by the NMITLI Cell, TNBD Division of the Council of Scientific and Industrial Research, Government of India and we thank Yogeshwar Rao, Meenakshi Singh, and Vibha Malhotra for the administrative support. We thank senior Ayurveda physician, Vaidya Y.G. Joshi for his generous contribution to provide information on the BPRT formulation used in this trial and further supervising its preparation. We also acknowledge contributions of the expert staff and NMITLI aesearch associates and fellows, namely, Dr. Jaishree Patil (Ayurvedic physician, CRD), Dr. Sridevi (Ayurvedic physician, NIMS), Dr. Nilambari (Ayurvedic physician, KEM), Dr. S. Garad (statistics), Mr. Ravi Ghorpade (laboratory and database, CRD), and Mr. Deepak S. (programmer, CRD). We also thank Kalpana Joshi (NMITLI research associate, SHS) and other NMITLI research fellows from SHS (Dnyaneshwar Warude, Manish Gautam, Preeti Chavan, and Yogita Ghodke). Several other colleagues and staff at the clinical drug trial centers also participated and provided administrative and logistic support and professional help. Several senior NMITLI experts provided invaluable assistance, in particular, Dr. G.N. Qazi, Dr. V. Sumantran, Dr. Ulhas Wagh, Dr. Ashok Vaidya, Dr. Rama Vaidya, Dr. A.M. Majumdar, and Dr. Pushpagandhan. The Ayurvedic formulation drugs were principally developed in SHS and further standardized in Natural Remedies, Bangalore. Animal toxicity and mechanism of action studies were carried out in ARI. The drug trial protocols were principally developed and coordinated by CRD.

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Correspondence to Arvind Chopra.

Additional information

Trial registration: ICMR CTRI registry, TEMP UTRN 115644567-050320101825344

Key messages

(1) Since ancient times, the Indian (Asian) Ayurvedic medicinal system advocates a holistic approach including herbal formulations to treat RA.

(2) A standardized Ayurvedic drug is demonstrated to be a good alternative DMARD to hydroxychloroquine in treating RA.

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Chopra, A., Saluja, M., Tillu, G. et al. Comparable efficacy of standardized Ayurveda formulation and hydroxychloroquine sulfate (HCQS) in the treatment of rheumatoid arthritis (RA): a randomized investigator-blind controlled study. Clin Rheumatol 31, 259–269 (2012). https://doi.org/10.1007/s10067-011-1809-z

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