Publications by authors named "Ramaswamy K"

Importance: Clarifying the underutilization of treatment intensification (TI) for metastatic castration-sensitive prostate cancer (mCSPC) may improve implementation of evidence-based medicine and survival outcomes.

Objective: To investigate physicians' beliefs about TI in mCSPC to understand the gap between evidence-based guidelines and clinical practice.

Design, Setting, And Participants: This survey study analyzed data from the Adelphi Real World retrospective survey, which comprised physician surveys that were linked to medical record reviews of US adult patients treated for mCSPC between July 2018 and January 2022.

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In present study the green synthesis of silver oxide nanoparticles has been effectively achieved using novel plant extract Phragmanthera Macrosolen. This method provides sustainable alternative for nanoparticle synthesis, demonstrating the potential of Phragmanthera Macrosolen as a reducing and stabilizing agent in the production of AgO NPs. The synthesized nanoparticles were characterized for their structural, morphological, and optical properties, confirming their successful formation and potential applications in various fields.

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The current study describes current conduction mechanisms in BiFeO thin films prepared by using a modified chemical solution-based technique. In particular, in these films, X-ray photoelectron spectroscopy revealed that the defect causing Fe ions reduced by about 18% compared to the solution-based synthesis methods reported before, indicating better film quality. The leakage current density was measured to be 1.

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Herbal medicines are important for ensuring sustainable development goals (SDGs) in healthcare, particularly in developing countries with high rates of antimicrobial resistance (AMR) and little access to medical facilities. Thymus vulgaris is a widely used herbal medicinal plant known for its secondary metabolites and antimicrobial properties. The present study involved a comprehensive examination of the isolation, characterization, and antibacterial activity of Thymus vulgaris obtained from Ethiopia.

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Article Synopsis
  • - The study investigates the impact of prostate-specific antigen doubling time (PSADT) on patients with biochemical recurrence (BCR) of nonmetastatic castration-sensitive prostate cancer (nmCSPC), analyzing data from the Veterans Health Administration between 2006 and 2020.
  • - Patients were grouped based on rapid (≤9 months) and less rapid (>9 to ≤15 months) PSADT; rapid PSADT correlated with significantly shorter times to first treatment and worse outcomes in terms of metastasis, metastasis-free survival, and overall survival.
  • - The findings suggest that patients with rapid PSADT typically started secondary treatment within a year of BCR, and early treatment appears to yield better outcomes compared to historical data
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  • The study investigates the real-world occurrence of adverse events (AEs) in patients with metastatic castration-sensitive prostate cancer (mCSPC) receiving various treatments, reflecting a gap between current recommendations and actual practice.
  • Data was collected from a large claims review in the U.S. between January 2014 and June 2021, focusing on 10 common AEs that significantly affect patient outcomes.
  • A total of 4,145 patients were analyzed, with different treatment groups including ADT alone, ADT with nonsteroidal anti-androgens, docetaxel, and androgen receptor pathway inhibitors, enabling a comparison of AEs across these groups.
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Soil erosion is expected to worsen in the future as a result of climate change, growing population demands, improper land use, and excessive exploitation of natural resources in India. Due to the growing population and changes in land use, it has become increasingly crucial to map and quantitatively assess soil for the purpose of sustainable agricultural usage and planning conservation efforts. The problem of soil erosion is mainly on steeper slopes with intense rainfall in parts of Western Ghats.

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  • The study addresses the growing concern of data security in internet usage by introducing an innovative adaptive video steganography technique with three levels of security.
  • This method allows users to embed hidden information in video frames, achieving a high hiding ratio of up to 28.125% while ensuring the video's quality is not compromised.
  • The technique utilizes a chaotic key generator for secure data processing and encryption, with experimental results showing effective data embedding and maintaining excellent video quality as indicated by a high peak signal-to-noise ratio (PSNR).
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Objective: This study investigates the biological activities of Sm from the eastern Himalayas, addressing a literature gap on its properties. It explores the plant's phytochemical, antioxidant, and medicinal characteristics.

Significance: Evaluating methanolic extracts of offers valuable insights into its bioactive potential.

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Androgen receptor pathway inhibitors (ARPIs) prolong metastasis-free survival and overall survival in patients with nonmetastatic castration-resistant prostate cancer (nmCRPC). This study aimed to evaluate real-world treatment patterns, utilization and survival outcomes in patients with nmCRPC. This retrospective cohort study used Optum database electronic health records of patients with nmCRPC from 1 January 2007 to 31 December 2020 in the US.

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Titanium dioxide (TiO) nanoparticles were prepared through Rosmarinus-officinalis leaf extracts at 90 and 200°C. In this research, the degradations of methylene blues by using TiO nanoparticles Sun light radiations were studied. The synthesized materials were characterized using XRDs, UV-Vis, PL, SEM, TEM, EDS and XPS.

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  • The study investigated the effectiveness of nivolumab, an immunotherapy drug, used before and after surgery in patients with high-risk renal cell carcinoma compared to traditional surgery alone.
  • It was a randomized phase 3 trial involving 819 patients across multiple sites in the US and Canada, who were assigned to either the nivolumab plus surgery group or surgery only group.
  • The primary outcome measured was recurrence-free survival, with safety being assessed for all patients who started treatment, and the trial has been officially closed to new participants.
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The online channel has affected many facets of an individual's identity, commercial, social policy, and culture, among others. It implies that discovering the topics on which these brief writings are focused, as well as examining the qualities of these short texts is critical. Another key issue that has been identified is the evaluation of newly discovered topics in terms of topic quality, which includes topic separation and coherence.

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Background: Previous studies have shown that Black men receive worse prostate cancer care than White men. This has not been explored in metastatic castration-sensitive prostate cancer (mCSPC) in the current treatment era.

Methods: We evaluated treatment intensification (TI) and overall survival (OS) in Medicare (2015-2018) and Veterans Health Administration (VHA; 2015-2019) patients with mCSPC, classifying first-line mCSPC treatment as androgen deprivation therapy (ADT) + novel hormonal therapy; ADT + docetaxel; ADT + first-generation nonsteroidal antiandrogen; or ADT alone.

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Background: There are no large head-to-head phase 3 clinical trials comparing overall survival (OS) for abiraterone and enzalutamide. This study used Medicare claims data to compare OS in patients with chemotherapy-naïve metastatic castration-resistant prostate cancer (mCRPC) who initiated abiraterone or enzalutamide.

Methods: This retrospective analysis of the Medicare database (2009-2020) included adult men with ≥1 claim for prostate cancer, metastatic diagnosis, and no prior chemotherapy or novel hormone therapy who initiated first-line (1L) abiraterone or enzalutamide in the index period (September 10, 2014 to May 31, 2017).

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Background: Toxic anterior segment syndrome (TASS) is an uncommon complication of vitreoretinal surgery and is characterized by severe anterior chamber reaction, hypopyon, and limbus-to-limbus corneal edema.

Methods: Twenty-nine vitreoretinal surgeries were performed, of which 14 developed TASS in the early postoperative period. The operative records were reviewed retrospectively.

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Background: Mechanical power (MP) refers to the energy transmitted over time to the respiratory system and serves as a unifying determinant of ventilator-induced lung injury. MP normalization is required to account for developmental changes in children. We sought to examine the relationship between mechanical energy (ME), MP normalized to body weight (MP), and MP normalized to respiratory compliance (MP) concerning the severity and outcomes of pediatric acute respiratory distress syndrome (pARDS).

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Being a developing country, Pakistan needs sustainable and cost-effective strengthening/ retrofitting solution to be adopted/ practiced in the construction industry. The research reported in this paper was aimed to study the effectiveness of PMM, an indigenous product, for repairing reinforced concrete beams, resulting more effective and cost benefiting repair and strengthening for restoration of pre-cracked RC structures. This article presents the research results of experimental investigation conducted for repairing of cracks in shear deficient reinforced concrete (RC) beams with locally available novel material polymer modified mortar (PMM).

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Smart cities and the Internet of Things have enabled the integration of communicating devices for efficient decision-making. Notably, traffic congestion is one major problem faced by daily commuters in urban cities. In developed countries, specialized sensors are deployed to gather traffic information to predict traffic patterns.

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In this research, the performance pertaining to tire crumb obtained from scrap tire processing plants is discussed. These tire crumbs are blended with soil at a 30% ratio. When subjected to seismic load, the performance of the 30% tire crumb combination is superior to the 0% tire crumb combination.

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Energy consumption and management have emerged as crucial production functions because of the high cost of energy. Since the total consumption of fossil fuels like diesel has increased proportionally to the expansion in demand for power generation, industry, and transportation services, researchers have long been interested in constructing a more energy-efficient engine. With its improved efficiency, reduced fuel consumption, and fewer emissions, the application of nano-coating technology to engine components has become more popular in recent years.

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A loss of prosecretory Cl channel CFTR activity in the intestine is considered as the key cause of gastrointestinal problems in cystic fibrosis (CF): meconium ileus, distal intestinal obstruction syndrome (DIOS) and constipation. Since CFTR modulators have minimal effects on gastrointestinal symptoms, there is an unmet need for novel treatments for CF-associated gastrointestinal disorders. Meconium ileus and DIOS mainly affect the ileum (distal small intestine).

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In the Anamallais region of south India, crop shoots from the UPASI-3, UPASI-9, UPASI-17, Assam seedlings, and TRI-2043 cultivars were examined for seasonal variations in total phenolics, antioxidant activity, and minerals during four harvest seasons: summer (January to March), premonsoon (April and May), monsoon (June to September), and winter (October to December) of two consecutive years. The total phenolics of all cultivars were lower in monsoon period and grew over rest of the seasons and it was greater during summer. Crop shoot antioxidant activity as measured by the DPPH radical scavenging experiment exhibited a similar pattern to total phenolics.

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Article Synopsis
  • The study explores how different foundation types (footings, pile groups, piled rafts) bear loads and transfer weight from buildings to the ground, especially focusing on their behavior in varying soil conditions.
  • Using advanced finite element analysis tools like PLAXIS 2D and GEO5, it examines how factors like soil type and surcharge influence load-bearing capacities and deformation.
  • Key findings indicate that sandy soils exhibit less horizontal deformation than clayey soils, and increasing pile thickness can reduce settlement and enhance the factor of safety significantly, stressing the importance of informed decision-making in foundation selection for engineering projects.
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