An Randomized Controlled Trial Assessing the Cardioprotective and Antihypertensive Potential of Cardojith in Adults with Stage 1 Hypertension

Introduction

Cardiovascular diseases (CVD) encompass a range of disorders affecting the heart and blood vessels, including coronary artery disease, cerebrovascular disease, and hypertensive heart disease. CVD remains the leading cause of mortality worldwide, accounting for an estimated 17.9 million deaths each year, which represents approximately 32% of all global deaths [1]. In India, the burden is particularly alarming, with recent estimates indicating that CVD is responsible for over 28% of total deaths, and the age-standardized CVD death rate in India exceeds the global average [2,3].

Hypertension, or persistently elevated blood pressure, is a major modifiable risk factor for CVD and affects approximately 1.28 billion adults globally, of whom nearly 46% are unaware of their condition [4]. In India, the prevalence of hypertension among adults is estimated to range from 25% to 30%, and it often coexists with dyslipidemia, obesity, insulin resistance, and heightened oxidative stress, contributing to the pathogenesis of CVD [5].

Current pharmacological management of hypertension includes antihypertensive drugs such as ACE inhibitors, beta-blockers, calcium channel blockers, and diuretics [6]. While effective, these therapies are often associated with side effects, suboptimal adherence, and a limited impact on comorbid stress, inflammation, and endothelial dysfunction [7]. Consequently, there is a growing interest in integrative and holistic approaches that address multiple mechanistic pathways[8,10].

Cardojith is a polyherbal formulation that comprises botanicals with documented antihypertensive, lipid-lowering, cardiotonic, and adaptogenic activities. These herbs collectively target not only hemodynamic parameters but also oxidative and psychological stress, thereby offering a potentially comprehensive strategy for cardiovascular risk reduction. Given the increasing global burden of hypertension and the limitations of current therapeutic modalities, a scientifically rigorous clinical evaluation of Cardojith is warranted to explore its efficacy and safety as a complementary intervention in hypertensive individuals at risk for cardiovascular events.

Literature review on the proposed intervention

Cardojith is a proprietary polyherbal formulation thoughtfully developed to support cardiovascular function and assist in the management of hypertension. Rooted in the principles of Ayurveda and strengthened by emerging pharmacological evidence, it brings together a synergistic blend of herbs traditionally employed for their cardioprotective, antihypertensive, and antioxidant properties. The formulation includes Terminalia arjuna (Arjuna), Inula racemosa (Pushkarmoola), Commiphora mukul (Guggulu), Allium sativum (Lasuna), and Rauwolfia serpentina (Sarpagandha), each contributing unique and complementary mechanisms of action aimed at restoring vascular balance and cardiac health.

Terminalia arjuna, the cornerstone of this formulation, is widely regarded in classical Ayurvedic texts and modern studies for its cardiotonic properties. It contains bioactive compounds such as flavonoids, tannins, and triterpenoids, which have been shown to improve endothelial function, enhance myocardial contractility, reduce low-density lipoprotein (LDL) cholesterol, and support overall cardiac performance [11]. Inula racemosa exerts cardioprotective effects by mitigating oxidative stress and improving myocardial function, particularly in models of isoproterenol-induced cardiac injury [12]. Commiphora mukul, rich in guggulsterones, contributes anti-inflammatory and lipid-lowering actions, which are crucial in preventing atherosclerosis and vascular inflammation [13].

Allium sativum (garlic), an extensively studied medicinal plant, contributes to vascular health through its sulfur-containing compounds such as allicin. These have been shown to induce vasodilation, inhibit platelet aggregation, and improve lipid profiles—mechanisms that collectively reduce blood pressure and protect against endothelial dysfunction [14]. Rauwolfia serpentina, a time-honored remedy for hypertension, contains reserpine, which acts centrally and peripherally by depleting catecholamines through inhibition of vesicular monoamine transporters. This leads to a sustained reduction in sympathetic tone and blood pressure [15].

By targeting multiple pathophysiological pathways—such as elevated vascular resistance, dysregulated lipid metabolism, sympathetic overactivity, and oxidative stress—Cardojith offers a comprehensive and integrative approach to cardiovascular care. Its multi-targeted mode of action holds promise not only in managing hypertension but also in mitigating associated cardiovascular risks when used alongside conventional therapies.

Rationale

A clinical investigation into the efficacy of Cardojith is justified by the convergence of empirical evidence and pharmacological findings supporting the therapeutic potential of its constituent herbs. Cardiovascular diseases remain the foremost cause of global mortality, driven by modifiable risk factors such as hypertension, dyslipidemia, oxidative stress, and neuroendocrine dysregulation. Despite the availability of pharmacotherapies, there is a persistent need for integrative interventions that target multiple pathophysiological mechanisms. Cardojith, a polyherbal formulation, integrates botanicals known for their cardioprotective, antihypertensive, lipid-modulating, and adaptogenic properties. Given this multi-targeted pharmacodynamic profile, it is imperative to conduct a scientifically rigorous clinical trial to evaluate Cardojith’s role in mitigating cardiovascular risk among hypertensive individuals. Investigator Team

Principal Investigator

1. Dr K Ramachandra Reddy, Vice-Chancellor, Mahayogi Guru Gorakhnath AYUSH University Co-Investigators

2. Dr Somit Kumar, Chief Scientific Officer, The Arya Vaidya Pharmacy (Coimbatore) Limited

3. Dr Sindhu, Vice-President, R&D, The Arya Vaidya Pharmacy (Coimbatore) Limited