Publications by authors named "Chaudhry M S Sarwar"

Aims: Sodium-glucose cotransporter type 2 inhibitors (SGLT-2i) represent a unique class of anti-hyperglycaemic agents for type 2 diabetes mellitus that selectively inhibit renal glucose reabsorption, thereby increasing urinary excretion of glucose. Several studies have demonstrated the cardioprotective effects of SGLT-2i in patients with heart failure (HF), unrelated to its glucosuric effect. It is unclear whether the benefits of SGLT-2i therapy also rely on the improvement of left ventricular (LV) and/or right ventricular (RV) function in patients with HF.

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Despite recent advances in chronic heart failure (HF) therapy, the prognosis of HF patients remains poor, with high rates of HF rehospitalizations and death in the early months after discharge. This emphasizes the need for incorporating novel HF drugs, beyond the current approach (that of modulating the neurohumoral response). Recently, new antidiabetic oral medications (sodium-glucose cotransporter 2 inhibitors (SGLT2i)) have been shown to improve prognosis in diabetic patients with previous cardiovascular (CV) events or high CV risk profile.

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: Despite recent advances in chronic heart failure treatment, prognosis of acute heart failure patients remains poor with a heart failure rehospitalization rate or death reaching approximately 25% during the first 6 months after discharge. In addition, about half of these patients have preserved ejection fraction for which there are no evidence-based therapies. Disappointing results from heart failure clinical trials over the past 20 years emphasize the need for developing novel approaches and pathways for testing new heart failure drugs and devices.

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Cardiovascular disease is the leading cause of mortality and morbidity globally. With widespread and growing use of smart phones and mobile devices, the use of mobile health (mHealth) in transmission of physiologic parameters and patient-referred symptoms to healthcare providers and researchers, as well as reminders and care plan applications from providers to patients, has potential to revolutionize both clinical care and the conduct of clinical trials with improved designs, data capture, and potentially lower costs. In randomized early phase proof-of-concept studies, focusing on lifestyle intervention, there is evidence that mHealth technology can improve outcomes.

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Purpose Of Review: There are over 25 million patients living with heart failure globally. Overall, and especially post-discharge, clinical outcomes have remained poor in heart failure despite multiple trials, with both successes and failures over the last two decades. Matching therapies to the right patient population, identifying high-quality sites, and ensuring optimal trial design and execution represent important considerations in the development of novel therapeutics in this space.

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Hyperkalemia can be a life-threatening disorder, especially for at-risk patients with heart failure, chronic kidney disease, with diabetes, and patients on certain drugs like renin-angiotensin-aldosterone system antagonists and mineralocorticoid receptor antagonists. There are limited therapeutic options available for hyperkalemia, and they have narrow effectiveness because of their unfavorable side effects profile in long-term and high cost utilization requiring inpatient care. Patiromersorbitex calcium and sodium zirconium cyclosilicate are novel potassium-lowering compounds for the treatment and prevention of hyperkalemia in at-risk population.

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Disorders of potassium homeostasis can potentiate the already elevated risk of arrhythmia in heart failure. Heart failure patients have a high prevalence of chronic kidney disease, which further heightens the risk of hyperkalemia, especially when renin-angiotensin-aldosterone system inhibitors are used. Acute treatment for hyperkalemia may not be tolerated in the long term.

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Only about 1 in 5,000 investigational agents in a preclinical stage acquires Food and Drug Administration approval. Among many reasons for this includes an inefficient transition from preclinical to clinical phases, which exponentially increase the cost and the delays the process of drug development. Positron emission tomography (PET) is a nuclear imaging technique that has been used for the diagnosis, risk stratification, and guidance of therapy.

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