Publications by authors named "D B Anantha Narayana"

Objective: Acorus calamus L. (Sweet Flag), known in India as "Vacha," is widely used in traditional medicine, particularly for cognitive enhancement in infants. While traditionally considered safe, β-asarone - a key constituent - has shown potential genotoxicity in some in vitro studies.

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Article Synopsis
  • The study aimed to validate the Manipal Bedside Swallowing Screening Test (MBSST) for detecting aspiration in individuals with tracheostomies using Video Fluoroscopic Swallow Study (VFSS) as a reference.
  • Out of 53 participants screened, the MBSST showed high sensitivity (91%) and diagnostic accuracy (96%) in identifying aspiration cases.
  • The MBSST is an easy-to-use tool that enables effective bedside screening for aspiration without the need for complex instrumentation.
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Approval by regulatory authorities for commerce of herbs to different nations is lengthy process involving quality, safety, and efficacy data submission for the herbs under different category. Submission of documented history of use of herbs in such steps has gained momentum in the last decade globally. EU Directives and Food Regulations, India, specifically describes this requirement.

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Background: NVX-CoV2373, a Covid-19 vaccine was developed in the USA with ∼90% efficacy. The same vaccine is manufactured in India after technology transfer (called as SII-NVX-CoV2373), was evaluated in this phase 2/3 immuno-bridging study.

Methods: This was an observer-blind, randomised, phase 2/3 study in 1600 adults.

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The human rabies immunoglobulin (HRIG) is a life-saving immune biological essential for all category III animal exposures. It provides neutralizing antibodies at the site of exposure until the body can produce vaccine-mediated antibodies. We conducted this study to determine the safety and clinical efficacy of an HRIG being used presently for post-exposure prophylaxis (PEP) and to strengthen the existing evidence for its further usage.

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